django_program.registration.models

Registration, ticketing, cart, order, and payment models for django-program.

Classes

AddOn	An optional extra attached to a ticket (e.g. workshop, t-shirt).
Cart	A user's shopping cart for a conference.
CartItem	A single item (ticket or add-on) in a cart.
Credit	A store credit that can be applied to future orders.
EventProcessingException	Records an error that occurred while processing a webhook event.
Order	A completed checkout with billing and payment info.
OrderLineItem	A snapshot of a purchased item at checkout time.
Payment	A payment record against an order.
StripeCustomer	Maps a Django user to a Stripe customer for a specific conference.
StripeEvent	A record of a Stripe webhook event for idempotent processing.
TicketType	A purchasable ticket category for a conference.
Voucher	A discount or access code for tickets and add-ons.

class django_program.registration.models.AddOn

Bases: Model

An optional extra attached to a ticket (e.g. workshop, t-shirt).

Add-ons can optionally be restricted to specific ticket types via the requires_ticket_types relation. When that relation is empty the add-on is available to holders of any ticket type.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

slug

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

price

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

requires_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

available_from

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

available_until

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

total_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

bulk_enabled

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

order

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

bulk_purchases

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

cart_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

discountforproduct_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

door_checks

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

groupmembercondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

includedproductcondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

order_line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

purchase_order_line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

speakercondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

timeorstocklimitcondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

vouchers

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

class django_program.registration.models.Attendee

Bases: Model

Links a user to a conference with registration state and check-in tracking.

Unlike AttendeeProfileBase, this uses a ForeignKey to the user because a single user can attend multiple conferences. The order field is also a ForeignKey (not OneToOne) so that replacement/upgrade orders can update the link without constraint violations.

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

access_code

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

checked_in_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

completed_registration

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

save(*args, **kwargs)

Auto-generate access code on first save if not already set.

Parameters:

• args (object)

• kwargs (object)

Return type:

None

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

badges

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

checkins

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

door_checks

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

letter_requests

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

order_id

redemptions

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

user_id

class django_program.registration.models.AttendeeProfileBase

Bases: Model

Abstract base for attendee profiles.

Projects extend this with custom fields (e.g. dietary restrictions, t-shirt size) by subclassing and pointing DJANGO_PROGRAM.attendee_profile_model at the concrete subclass.

user

Accessor to the related object on the forward side of a one-to-one relation.

In the example:

class Restaurant(Model):
    place = OneToOneField(Place, related_name='restaurant')

Restaurant.place is a ForwardOneToOneDescriptor instance.

access_code

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

completed_registration

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class Meta

Bases: object

abstract = False

save(*args, **kwargs)

Auto-generate access code on first save if not already set.

Parameters:

• args (object)

• kwargs (object)

Return type:

None

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

user_id

class django_program.registration.models.Badge

Bases: Model

A generated badge for a specific attendee.

Tracks the generated file, format, and timestamp so badges can be cached and regenerated on demand.

class Format

Bases: TextChoices

Supported badge output formats.

PDF = 'pdf'

PNG = 'png'

__new__(value)

attendee

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

template

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

format

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

file

The descriptor for the file attribute on the model instance. Return a FieldFile when accessed so you can write code like:

>>> from myapp.models import MyModel
>>> instance = MyModel.objects.get(pk=1)
>>> instance.file.size

Assign a file object on assignment so you can do:

>>> with open('/path/to/hello.world') as f:
...     instance.file = File(f)

generated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

attendee_id

get_format_display(*, field=<django.db.models.fields.CharField: format>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

template_id

class django_program.registration.models.BadgeTemplate

Bases: Model

Configurable badge layout template for a conference.

Defines dimensions, visible fields, color scheme, and optional logo for generating attendee badges. Each conference can have multiple templates but only one may be marked as the default.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

slug

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_default

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

width_mm

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

height_mm

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class BannerPosition

Bases: TextChoices

Where to place the ticket type banner on the badge.

BELOW_HEADER = 'below_header'

ABOVE_NAME = 'above_name'

BELOW_NAME = 'below_name'

BOTTOM = 'bottom'

__new__(value)

ticket_banner_position

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

show_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

show_email

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

show_company

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

show_ticket_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

show_qr_code

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

show_conference_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

background_color

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

text_color

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

accent_color

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

font_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

font_body

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

logo

Just like the FileDescriptor, but for ImageFields. The only difference is assigning the width/height to the width_field/height_field, if appropriate.

background_image

Just like the FileDescriptor, but for ImageFields. The only difference is assigning the width/height to the width_field/height_field, if appropriate.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

badges

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_ticket_banner_position_display(*, field=<django.db.models.fields.CharField: ticket_banner_position>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

class django_program.registration.models.Cart

Bases: Model

A user’s shopping cart for a conference.

Carts hold ticket and add-on selections before checkout. They transition through statuses from OPEN to CHECKED_OUT when submitted to checkout and converted to an order (which may still be pending payment), or to EXPIRED / ABANDONED when the session times out.

class Status

Bases: TextChoices

Lifecycle states for a shopping cart.

OPEN = 'open'

CHECKED_OUT = 'checked_out'

EXPIRED = 'expired'

ABANDONED = 'abandoned'

__new__(value)

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

expires_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

user_id

voucher_id

class django_program.registration.models.CartItem

Bases: Model

A single item (ticket or add-on) in a cart.

Each cart item references exactly one of ticket_type or addon, enforced by a database-level check constraint. The unit_price and line_total properties compute pricing from the referenced item.

cart

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

ticket_type

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

addon

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

property unit_price: Decimal

Return the per-unit price of this cart item.

property line_total: Decimal

Return the total price for this line (unit_price * quantity).

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

addon_id

cart_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

ticket_type_id

class django_program.registration.models.CheckIn

Bases: Model

Records a single check-in event for an attendee at the conference.

Multiple check-ins per attendee are allowed to support re-entry scenarios (e.g. leaving for lunch and returning). Each record captures who performed the check-in and at which station.

attendee

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

checked_in_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

checked_in_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

station

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

note

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

attendee_id

checked_in_by_id

conference_id

get_next_by_checked_in_at(*, field=<django.db.models.fields.DateTimeField: checked_in_at>, is_next=True, **kwargs)

get_previous_by_checked_in_at(*, field=<django.db.models.fields.DateTimeField: checked_in_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

class django_program.registration.models.Credit

Bases: Model

A store credit that can be applied to future orders.

Credits are typically issued as part of a refund workflow. They are tied to a specific conference and user, and can be applied to a new order or left to expire.

class Status

Bases: TextChoices

Lifecycle states for a store credit.

AVAILABLE = 'available'

APPLIED = 'applied'

EXPIRED = 'expired'

__new__(value)

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

remaining_amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

applied_to_order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

source_order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

note

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

save(*args, **kwargs)

Initialize remaining balance for newly created available credits.

Parameters:

• args (object)

• kwargs (object)

Return type:

None

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applied_to_order_id

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

source_order_id

user_id

class django_program.registration.models.DiscountForCategory

Bases: ConditionBase

Percentage discount on all products in specified categories.

Applies a flat percentage reduction to ticket types and/or add-ons for the conference. Does not use DiscountEffect because it uses its own simplified percentage-only calculation with category-level targeting.

percentage

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

apply_to_tickets

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

apply_to_addons

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

start_time

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

end_time

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

limit

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

times_used

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

evaluate(user, conference)

Return True if within the time window and stock has not been exhausted.

Parameters:

• user (auth.User) – The authenticated user (unused for category discounts).

• conference (object) – The conference context (unused, already filtered by FK).

Return type:

bool

calculate_discount(unit_price, quantity)

Calculate the percentage discount for the given price and quantity.

Parameters:

• unit_price (Decimal) – The per-unit price of the item.

• quantity (int) – The number of items.

Return type:

Decimal

Returns:

The total discount amount.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference_id

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

priority

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class django_program.registration.models.DiscountForProduct

Bases: ConditionBase, DiscountEffect

Direct discount on specific products, optionally time/stock limited.

Unlike other conditions, this evaluates to True for all users as long as the time window and stock limit are satisfied. Use applicable_ticket_types and applicable_addons to control which products receive the discount.

start_time

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

end_time

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

limit

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

times_used

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

evaluate(user, conference)

Return True if within the time window and stock has not been exhausted.

Parameters:

• user (auth.User) – The authenticated user (unused for product discounts).

• conference (object) – The conference context (unused, already filtered by FK).

Return type:

bool

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applicable_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

applicable_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference_id

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_value

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

get_discount_type_display(*, field=<django.db.models.fields.CharField: discount_type>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

max_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

priority

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class django_program.registration.models.DoorCheck

Bases: Model

Per-product admission tracking for a specific ticket type or add-on.

Used for checking attendees into sub-events such as tutorials, meals, or social events that require separate admission control beyond the main conference check-in.

attendee

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

ticket_type

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

addon

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

checked_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

checked_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

station

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

addon_id

attendee_id

checked_by_id

conference_id

get_next_by_checked_at(*, field=<django.db.models.fields.DateTimeField: checked_at>, is_next=True, **kwargs)

get_previous_by_checked_at(*, field=<django.db.models.fields.DateTimeField: checked_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

ticket_type_id

class django_program.registration.models.EventProcessingException

Bases: Model

Records an error that occurred while processing a webhook event.

Captures the full traceback and contextual data so that failed events can be investigated and retried.

event

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

data

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

message

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

traceback

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

event_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

class django_program.registration.models.GroupMemberCondition

Bases: ConditionBase, DiscountEffect

Applies to members of specific Django auth groups.

Useful for staff discounts, volunteer pricing, or any role-based discount controlled via Django’s built-in group system.

groups

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

evaluate(user, conference)

Return True if the user belongs to at least one of the configured groups.

Parameters:

• user (auth.User) – The authenticated user to check.

• conference (object) – The conference context (unused, already filtered by FK).

Return type:

bool

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applicable_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

applicable_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference_id

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_value

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

get_discount_type_display(*, field=<django.db.models.fields.CharField: discount_type>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

max_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

priority

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class django_program.registration.models.IncludedProductCondition

Bases: ConditionBase, DiscountEffect

Unlocks discount on target products when user has purchased enabling products.

For example, purchasing a “Tutorial” ticket could unlock a discount on the “Tutorial Lunch” add-on.

enabling_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

evaluate(user, conference)

Return True if the user has purchased at least one enabling ticket type.

Parameters:

• user (auth.User) – The authenticated user to check.

• conference (object) – The conference context.

Return type:

bool

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applicable_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

applicable_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference_id

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_value

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

get_discount_type_display(*, field=<django.db.models.fields.CharField: discount_type>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

max_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

priority

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class django_program.registration.models.LetterRequest

Bases: Model

A request for a visa invitation letter from a conference attendee.

Captures passport and travel details needed to produce a formal letter for embassy submission. Progresses through a review workflow from SUBMITTED to SENT (or REJECTED).

class Status

Bases: TextChoices

Workflow states for a letter request.

SUBMITTED = 'submitted'

UNDER_REVIEW = 'under_review'

APPROVED = 'approved'

GENERATED = 'generated'

SENT = 'sent'

REJECTED = 'rejected'

__new__(value)

ALLOWED_TRANSITIONS: dict[str, set[str]] = {LetterRequest.Status.APPROVED: {LetterRequest.Status.GENERATED}, LetterRequest.Status.GENERATED: {LetterRequest.Status.SENT}, LetterRequest.Status.SUBMITTED: {LetterRequest.Status.APPROVED, LetterRequest.Status.REJECTED, LetterRequest.Status.UNDER_REVIEW}, LetterRequest.Status.UNDER_REVIEW: {LetterRequest.Status.APPROVED, LetterRequest.Status.REJECTED}}

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

attendee

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

passport_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

passport_number

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

nationality

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

date_of_birth

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

travel_from

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

travel_until

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

destination_address

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

embassy_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

rejection_reason

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

generated_pdf

The descriptor for the file attribute on the model instance. Return a FieldFile when accessed so you can write code like:

>>> from myapp.models import MyModel
>>> instance = MyModel.objects.get(pk=1)
>>> instance.file.size

Assign a file object on assignment so you can do:

>>> with open('/path/to/hello.world') as f:
...     instance.file = File(f)

reviewed_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

reviewed_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

sent_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

transition_to(new_status)

Transition this request to a new workflow status.

Validates that the transition is allowed before applying it.

Parameters:

new_status (str) – The target status value (one of Status choices).

Raises:

ValueError – If the transition from the current status to new_status is not permitted.

Return type:

None

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

attendee_id

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_travel_from(*, field=<django.db.models.fields.DateField: travel_from>, is_next=True, **kwargs)

get_next_by_travel_until(*, field=<django.db.models.fields.DateField: travel_until>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_travel_from(*, field=<django.db.models.fields.DateField: travel_from>, is_next=False, **kwargs)

get_previous_by_travel_until(*, field=<django.db.models.fields.DateField: travel_until>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

reviewed_by_id

user_id

class django_program.registration.models.Order

Bases: Model

A completed checkout with billing and payment info.

Orders are created when a cart is checked out. They capture a snapshot of the pricing, discounts, and billing details at the time of purchase. The reference field holds a unique human-readable order number.

class Status

Bases: TextChoices

Lifecycle states for an order.

PENDING = 'pending'

PAID = 'paid'

REFUNDED = 'refunded'

PARTIALLY_REFUNDED = 'partially_refunded'

CANCELLED = 'cancelled'

__new__(value)

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

subtotal

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

total

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher_code

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher_details

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

billing_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

billing_email

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

billing_company

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reference

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

utm_source

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

utm_medium

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

utm_campaign

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

hold_expires_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applied_credits

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

attendees

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

issued_credits

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

payments

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

user_id

class django_program.registration.models.OrderLineItem

Bases: Model

A snapshot of a purchased item at checkout time.

Line items are immutable records of what was purchased, including the price and description at the time of checkout. They may reference the original TicketType or AddOn for traceability, but those links are optional since the source item could be deleted after the order is placed.

order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

unit_price

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

line_total

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

ticket_type

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

addon

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

addon_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

order_id

redemptions

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

ticket_type_id

class django_program.registration.models.Payment

Bases: Model

A payment record against an order.

Each payment represents a single financial transaction (Stripe charge, complimentary comp, credit application, or manual entry). An order may have multiple payments if it is partially refunded and re-paid.

class Method

Bases: TextChoices

Supported payment methods.

STRIPE = 'stripe'

TERMINAL = 'terminal'

COMP = 'comp'

CREDIT = 'credit'

MANUAL = 'manual'

__new__(value)

class Status

Bases: TextChoices

PENDING = 'pending'

PROCESSING = 'processing'

SUCCEEDED = 'succeeded'

FAILED = 'failed'

REFUNDED = 'refunded'

__new__(value)

order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

method

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

stripe_payment_intent_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

stripe_charge_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reference

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

note

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

created_by_id

get_method_display(*, field=<django.db.models.fields.CharField: method>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

order_id

terminal_detail

Accessor to the related object on the reverse side of a one-to-one relation.

In the example:

class Restaurant(Model):
    place = OneToOneField(Place, related_name='restaurant')

Place.restaurant is a ReverseOneToOneDescriptor instance.

class django_program.registration.models.ProductRedemption

Bases: Model

Tracks redemption of a purchased order line item.

Each attendee can redeem a given order line item up to its purchased quantity times. The business-layer limit is enforced by RedemptionService.redeem_product() with row-level locking; no unique constraint exists at the DB level so that quantity > 1 items can produce multiple redemption rows.

attendee

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

order_line_item

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

redeemed_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

redeemed_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

note

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

attendee_id

conference_id

get_next_by_redeemed_at(*, field=<django.db.models.fields.DateTimeField: redeemed_at>, is_next=True, **kwargs)

get_previous_by_redeemed_at(*, field=<django.db.models.fields.DateTimeField: redeemed_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

order_line_item_id

redeemed_by_id

class django_program.registration.models.PurchaseOrder

Bases: Model

A corporate purchase order for bulk or invoiced ticket purchases.

Purchase orders exist outside the normal cart/checkout flow and support partial payments over time via wire, ACH, check, or Stripe. The balance_due property tracks the remaining amount after payments and credit notes.

class Status

Bases: TextChoices

Lifecycle states for a purchase order.

DRAFT = 'draft'

SENT = 'sent'

PARTIALLY_PAID = 'partially_paid'

PAID = 'paid'

OVERPAID = 'overpaid'

CANCELLED = 'cancelled'

__new__(value)

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

organization_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

contact_email

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

contact_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

billing_address

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

stripe_invoice_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

stripe_invoice_url

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

qbo_invoice_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

qbo_invoice_url

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

notes

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reference

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

subtotal

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

total

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

property total_paid: Decimal

Return the sum of all recorded payment amounts.

Uses the _annotated_total_paid annotation when available (set by list views) to avoid per-row aggregate queries.

property total_credited: Decimal

Return the sum of all credit note amounts.

Uses the _annotated_total_credited annotation when available (set by list views) to avoid per-row aggregate queries.

property balance_due: Decimal

Return the outstanding balance after payments and credit notes.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

conference_id

created_by_id

credit_notes

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

payments

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

class django_program.registration.models.PurchaseOrderCreditNote

Bases: Model

A credit note issued against a purchase order.

Reduces the effective balance due on the purchase order. Used for adjustments, corrections, or partial cancellations.

purchase_order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reason

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

issued_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

issued_by_id

objects = <django.db.models.manager.Manager object>

purchase_order_id

class django_program.registration.models.PurchaseOrderLineItem

Bases: Model

A single line item on a purchase order.

Each line references an optional ticket type or add-on for traceability, but the description and pricing are snapshotted at creation time.

purchase_order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

unit_price

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

line_total

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

ticket_type

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

addon

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

addon_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

purchase_order_id

ticket_type_id

class django_program.registration.models.PurchaseOrderPayment

Bases: Model

A payment recorded against a purchase order.

Tracks individual payments received via wire transfer, ACH, check, Stripe, or other methods. Multiple payments can be recorded as partial payments arrive.

class Method

Bases: TextChoices

Supported payment methods for purchase orders.

WIRE = 'wire'

ACH = 'ach'

CHECK = 'check'

STRIPE = 'stripe'

OTHER = 'other'

__new__(value)

purchase_order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reference

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

method

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

entered_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

payment_date

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

note

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

entered_by_id

get_method_display(*, field=<django.db.models.fields.CharField: method>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_payment_date(*, field=<django.db.models.fields.DateField: payment_date>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_payment_date(*, field=<django.db.models.fields.DateField: payment_date>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

purchase_order_id

class django_program.registration.models.SpeakerCondition

Bases: ConditionBase, DiscountEffect

Auto-applies to users linked to a Pretalx Speaker.

Checks whether the user has a Speaker record in the pretalx app for the same conference, optionally filtering by presenter/copresenter role.

is_presenter

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_copresenter

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

evaluate(user, conference)

Return True if the user is linked to a Speaker for this conference.

Pretalx has no explicit primary/copresenter role, so any linked speaker qualifies when either flag is set. When both flags are True, any speaker qualifies. When only is_presenter is True, any speaker on at least one talk qualifies. When only is_copresenter is True, the speaker must appear on a talk with at least one other speaker.

Parameters:

• user (auth.User) – The authenticated user to check.

• conference (object) – The conference context.

Return type:

bool

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applicable_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

applicable_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference_id

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_value

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

get_discount_type_display(*, field=<django.db.models.fields.CharField: discount_type>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

max_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

priority

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class django_program.registration.models.StripeCustomer

Bases: Model

Maps a Django user to a Stripe customer for a specific conference.

Each user gets a separate Stripe customer per conference since each conference may use a different Stripe account.

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

stripe_customer_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

user_id

class django_program.registration.models.StripeEvent

Bases: Model

A record of a Stripe webhook event for idempotent processing.

Stores the full event payload and tracks whether the event has been successfully processed by the webhook handler.

stripe_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

kind

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

livemode

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

payload

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

customer_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

processed

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

api_version

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

processing_exceptions

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

class django_program.registration.models.TerminalPayment

Bases: Model

Records an in-person Stripe Terminal payment at the registration desk.

Extends the payment tracking with terminal-specific fields for reader identification, pre-authorization state, and capture lifecycle.

class CaptureStatus

Bases: TextChoices

Lifecycle states for a terminal payment capture.

AUTHORIZED = 'authorized'

CAPTURED = 'captured'

CANCELLED = 'cancelled'

FAILED = 'failed'

__new__(value)

payment

Accessor to the related object on the forward side of a one-to-one relation.

In the example:

class Restaurant(Model):
    place = OneToOneField(Place, related_name='restaurant')

Restaurant.place is a ForwardOneToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

terminal_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reader_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

payment_intent_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

capture_status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

captured_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

cancelled_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

card_brand

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

card_last4

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

receipt_url

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

conference_id

get_capture_status_display(*, field=<django.db.models.fields.CharField: capture_status>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

payment_id

class django_program.registration.models.TicketType

Bases: Model

A purchasable ticket category for a conference.

Defines a class of ticket (e.g. “Early Bird”, “Student”, “Corporate”) with pricing, availability windows, and optional quantity limits. Ticket types flagged with requires_voucher are hidden from the public storefront until unlocked by a matching voucher code.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

slug

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

price

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

available_from

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

available_until

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

total_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

limit_per_user

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

requires_voucher

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

bulk_enabled

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

order

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

property remaining_quantity: int | None

Return the number of tickets still available for purchase.

Counts tickets in paid/partially-refunded orders plus pending orders with an active inventory hold (hold_expires_at in the future).

Returns:

The remaining count, or None if this ticket type has unlimited quantity (total_quantity == 0).

property is_available: bool

Check whether this ticket type can currently be purchased.

A ticket is available when all of the following are true:

• is_active is True

• The current time is within the available_from / available_until window (if set)

• There is remaining quantity (or quantity is unlimited)

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

available_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

bulk_purchases

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

cart_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

discountforproduct_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

door_checks

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

enabling_conditions

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

groupmembercondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

includedproductcondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

order_line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

purchase_order_line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

speakercondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

timeorstocklimitcondition_discounts

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

vouchers

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

class django_program.registration.models.TimeOrStockLimitCondition

Bases: ConditionBase, DiscountEffect

Condition met when within a time window and/or stock limit.

Use this for early-bird discounts, flash sales, or any promotion with a defined start/end time and optional usage cap.

start_time

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

end_time

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

limit

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

times_used

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

evaluate(user, conference)

Return True if within the time window and stock has not been exhausted.

Parameters:

• user (auth.User) – The authenticated user (unused for this condition type).

• conference (object) – The conference context (unused, already filtered by FK).

Return type:

bool

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applicable_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

applicable_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference_id

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_value

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

get_discount_type_display(*, field=<django.db.models.fields.CharField: discount_type>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

max_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

priority

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

class django_program.registration.models.Voucher

Bases: Model

A discount or access code for tickets and add-ons.

Vouchers can provide a percentage discount, a fixed amount off, or full complimentary access (100% off). They can also unlock hidden ticket types that require a voucher to purchase.

class VoucherType

Bases: TextChoices

The type of discount a voucher provides.

COMP = 'comp'

PERCENTAGE = 'percentage'

FIXED_AMOUNT = 'fixed_amount'

__new__(value)

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

code

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_value

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

applicable_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

applicable_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

max_uses

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

times_used

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

valid_from

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

valid_until

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

unlocks_hidden_tickets

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

property is_valid: bool

Check whether this voucher can currently be redeemed.

A voucher is valid when it is active, has remaining uses, and the current time falls within the optional validity window.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

bulk_purchase_links

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

carts

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_voucher_type_display(*, field=<django.db.models.fields.CharField: voucher_type>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>