journals.models.volume module¶
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class
journals.models.volume.
Volume
(*args, **kwargs)[source]¶ Bases:
django.db.models.base.Model
A Volume belongs to a specific Journal, and is a container for either (multiple) Issue(s) or Publication(s).
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in_journal
¶ 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 aForwardManyToOneDescriptor
instance.
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number
¶ A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.
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start_date
¶ A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.
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until_date
¶ A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.
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doi_label
¶ A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.
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property
doi_string
¶
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citation_rate
(tier=None)[source]¶ Returns the citation rate in units of nr citations per article per year.
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exception
DoesNotExist
¶ Bases:
django.core.exceptions.ObjectDoesNotExist
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exception
MultipleObjectsReturned
¶ Bases:
django.core.exceptions.MultipleObjectsReturned
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get_next_by_start_date
(*, field=<django.db.models.fields.DateField: start_date>, is_next=True, **kwargs)¶
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get_next_by_until_date
(*, field=<django.db.models.fields.DateField: until_date>, is_next=True, **kwargs)¶
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get_previous_by_start_date
(*, field=<django.db.models.fields.DateField: start_date>, is_next=False, **kwargs)¶
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get_previous_by_until_date
(*, field=<django.db.models.fields.DateField: until_date>, is_next=False, **kwargs)¶
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id
¶ A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.
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in_journal_id
¶
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issues
¶ 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 aReverseManyToOneDescriptor
instance.Most of the implementation is delegated to a dynamically defined manager class built by
create_forward_many_to_many_manager()
defined below.
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objects
= <django.db.models.manager.Manager object>¶
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