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Turn media.{backref_nam} from a list to a scalar.

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For all our media_types, let the backref on the media_entry
be a scalar (there is only one media_data per media_entry)
instead of a list with zero or one entry.

The media_data toolchain on MediaEntry currently handles
both transparently.
This commit is contained in:
Elrond 2013-02-01 15:52:17 +01:00
parent 57f8d263e1
commit 1f268deda4
5 changed files with 10 additions and 5 deletions
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3
mediagoblin/media_types/ascii/models.py
View File

@ -32,7 +32,8 @@ class AsciiData(Base):
media_entry = Column(Integer, ForeignKey('core__media_entries.id'),
primary_key=True)
get_media_entry = relationship("MediaEntry",
backref=backref(BACKREF_NAME, cascade="all, delete-orphan"))
backref=backref(BACKREF_NAME, uselist=False,
cascade="all, delete-orphan"))
DATA_MODEL = AsciiData

3
mediagoblin/media_types/audio/models.py
View File

@ -32,7 +32,8 @@ class AudioData(Base):
media_entry = Column(Integer, ForeignKey('core__media_entries.id'),
primary_key=True)
get_media_entry = relationship("MediaEntry",
backref=backref(BACKREF_NAME, cascade="all, delete-orphan"))
backref=backref(BACKREF_NAME, uselist=False,
cascade="all, delete-orphan"))
DATA_MODEL = AudioData

3
mediagoblin/media_types/image/models.py
View File

@ -33,7 +33,8 @@ class ImageData(Base):
media_entry = Column(Integer, ForeignKey('core__media_entries.id'),
primary_key=True)
get_media_entry = relationship("MediaEntry",
backref=backref(BACKREF_NAME, cascade="all, delete-orphan"))
backref=backref(BACKREF_NAME, uselist=False,
cascade="all, delete-orphan"))
width = Column(Integer)
height = Column(Integer)

3
mediagoblin/media_types/stl/models.py
View File

@ -32,7 +32,8 @@ class StlData(Base):
media_entry = Column(Integer, ForeignKey('core__media_entries.id'),
primary_key=True)
get_media_entry = relationship("MediaEntry",
backref=backref(BACKREF_NAME, cascade="all, delete-orphan"))
backref=backref(BACKREF_NAME, uselist=False,
cascade="all, delete-orphan"))
center_x = Column(Float)
center_y = Column(Float)

3
mediagoblin/media_types/video/models.py
View File

@ -32,7 +32,8 @@ class VideoData(Base):
media_entry = Column(Integer, ForeignKey('core__media_entries.id'),
primary_key=True)
get_media_entry = relationship("MediaEntry",
backref=backref(BACKREF_NAME, cascade="all, delete-orphan"))
backref=backref(BACKREF_NAME, uselist=False,
cascade="all, delete-orphan"))
width = Column(SmallInteger)
height = Column(SmallInteger)