Sort relationships by creation order.

Also:

- Split association proxies into their own section.

- Remove relationship_info.
This commit is contained in:
Andrew Ekstedt 2012-06-05 15:09:54 -07:00
parent 04b941755a
commit 739c6fdd7c
2 changed files with 53 additions and 64 deletions

View file

@ -77,7 +77,6 @@ class TableMetaclass(DeclarativeMeta):
if hasattr(cls, '__tablename__'):
mapped_classes.append(cls)
cls.translation_classes = []
cls.relationship_info = {}
metadata = MetaData()
TableBase = declarative_base(metadata=metadata, cls=TableSuperclass, metaclass=TableMetaclass)
@ -1806,41 +1805,19 @@ def add_relationships():
pass
else:
def add_relationship(name, argument, secondary=None, **kwargs):
cls.relationship_info.setdefault('_order', [])
cls.relationship_info['_order'].append(name)
cls.relationship_info[name] = info = kwargs.pop('info', {})
info.update(kwargs)
info.update(dict(
type='relationship',
argument=argument,
secondary=secondary))
the_backref = kwargs.get('backref')
if isinstance(the_backref, basestring):
the_backref = backref(the_backref)
if the_backref:
# XXX: This line exploits a SQLA implementation detail,
# after all relationships are converted we should make our
# own backref wrapper with known semantics.
backref_name, backref_kwargs = the_backref
backref_info = dict(
type='backref',
argument=cls,
secondary=secondary)
backref_info.update(backref_kwargs.pop('info', {}))
argument.relationship_info[backref_name] = backref_info
info = kwargs.pop('info', {})
doc = info.get('description', None)
backref_ = kwargs.get('backref')
if type(backref_) == tuple:
backref_name, backref_kwargs = backref_
backref_info = backref_kwargs.pop('info', {})
backref_kwargs['doc'] = backref_info.get('doc', None)
backref_ = backref(backref_name, **backref_kwargs)
kwargs['backref'] = backref_
setattr(cls, name, relationship(argument, secondary=secondary, doc=doc,
**kwargs))
def add_association_proxy(name, target_collection, attr, **kwargs):
cls.relationship_info.setdefault('_order', [])
cls.relationship_info['_order'].append(name)
cls.relationship_info[name] = info = kwargs.pop('info', {})
info.update(kwargs)
info.update(dict(
type='association_proxy',
target_collection=target_collection,
attr=attr))
info = kwargs.pop('info', {})
setattr(cls, name, association_proxy(target_collection, attr,
**kwargs))
add_relationships(add_relationship=add_relationship,

View file

@ -197,44 +197,55 @@ def generate_strings(cls, remaining_attrs):
@with_header(u'Relationships')
def generate_relationships(cls, remaining_attrs):
def isrelationship(prop):
return isinstance(prop, InstrumentedAttribute) and isinstance(prop.property, RelationshipProperty)
relationships = []
for attr_name in remaining_attrs:
prop = getattr(cls, attr_name)
if isrelationship(prop):
relationships.append((attr_name, prop.property))
relationships.sort(key=lambda x: x[1]._creation_order)
for attr_name, rel in relationships:
yield u'%s.\ **%s**' % (cls.__name__, attr_name)
class_name = u':class:`~pokedex.db.tables.%s`' % rel.mapper.class_.__name__
if rel.uselist:
class_name = u'[%s]' % class_name
yield u'(→ %s)' % class_name
if rel.doc:
yield u''
yield u' ' + unicode(rel.doc)
if rel.secondary is not None:
yield u''
yield ' Association table: ``%s``' % rel.secondary
#if rel.primaryjoin is not None:
# yield u''
# yield ' Join condition: ``%s``' % rel.primaryjoin
# if rel.secondaryjoin is not None:
# yield ' , ``%s``' % rel.secondaryjoin
if rel.order_by:
yield u''
yield u' '
yield ' Ordered by: ' + u', '.join(
u'``%s``' % o for o in rel.order_by)
yield u''
remaining_attrs.remove(attr_name)
@with_header(u'Association Proxies')
def generate_associationproxies(cls, remaining_attrs):
for attr_name in sorted(remaining_attrs):
prop = getattr(cls, attr_name)
def isrelationship(prop):
return isinstance(prop, InstrumentedAttribute) and isinstance(prop.property, RelationshipProperty)
if isrelationship(prop):
rel = prop.property
yield u'%s.\ **%s**' % (cls.__name__, attr_name)
class_name = u':class:`~pokedex.db.tables.%s`' % rel.mapper.class_.__name__
if rel.uselist:
class_name = u'[%s]' % class_name
yield u'(→ %s)' % class_name
if prop.__doc__:
yield u''
yield u' ' + unicode(prop.__doc__)
if rel.secondary is not None:
yield u''
yield ' Association table: ``%s``' % rel.secondary
#if rel.primaryjoin is not None:
# yield u''
# yield ' Join condition: ``%s``' % rel.primaryjoin
# if rel.secondaryjoin is not None:
# yield ' , ``%s``' % rel.secondaryjoin
if rel.order_by:
yield u''
yield u' '
yield ' Ordered by: ' + u', '.join(
u'``%s``' % o for o in rel.order_by)
elif isinstance(prop, AssociationProxy):
if isinstance(prop, AssociationProxy):
yield u'%s.\ **%s**:' % (cls.__name__, attr_name)
yield '``{prop.remote_attr.key}`` of ``self.{prop.target_collection}``'.format(
yield '``{prop.remote_attr.key}`` of ``self.{prop.local_attr.key}``'.format(
prop=prop)
'''if 'description' in info:
yield u''
yield u' ' + unicode(info['description'])'''
else:
continue
yield u''
remaining_attrs.remove(attr_name)
yield u''
remaining_attrs.remove(attr_name)
@with_header(u'Undocumented')
def generate_undocumented(cls, remaining_attrs):
@ -290,7 +301,7 @@ class DexTable(PyClasslike):
remaining_attrs = set(x for x in dir(cls) if not x.startswith('_'))
remaining_attrs.difference_update(['metadata', 'translation_classes',
'add_relationships', 'relationship_info', 'summary_column'])
'add_relationships', 'summary_column'])
for transl_class in cls.translation_classes:
remaining_attrs.difference_update([
transl_class.relation_name,
@ -305,6 +316,7 @@ class DexTable(PyClasslike):
generated_content.extend(generate_columns(cls, remaining_attrs))
generated_content.extend(generate_strings(cls, remaining_attrs))
generated_content.extend(generate_relationships(cls, remaining_attrs))
generated_content.extend(generate_associationproxies(cls, remaining_attrs))
generated_content.extend(generate_undocumented(cls, remaining_attrs))
generated_content.extend(generate_other(cls, remaining_attrs))