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authorMike Bayer <mike_mp@zzzcomputing.com>2007-07-27 04:08:53 +0000
committerMike Bayer <mike_mp@zzzcomputing.com>2007-07-27 04:08:53 +0000
commited4fc64bb0ac61c27bc4af32962fb129e74a36bf (patch)
treec1cf2fb7b1cafced82a8898e23d2a0bf5ced8526 /lib/sqlalchemy/ext/assignmapper.py
parent3a8e235af64e36b3b711df1f069d32359fe6c967 (diff)
downloadsqlalchemy-ed4fc64bb0ac61c27bc4af32962fb129e74a36bf.tar.gz
merging 0.4 branch to trunk. see CHANGES for details. 0.3 moves to maintenance branch in branches/rel_0_3.
Diffstat (limited to 'lib/sqlalchemy/ext/assignmapper.py')
-rw-r--r--lib/sqlalchemy/ext/assignmapper.py59
1 files changed, 29 insertions, 30 deletions
diff --git a/lib/sqlalchemy/ext/assignmapper.py b/lib/sqlalchemy/ext/assignmapper.py
index 4708afd8d..238041702 100644
--- a/lib/sqlalchemy/ext/assignmapper.py
+++ b/lib/sqlalchemy/ext/assignmapper.py
@@ -1,51 +1,50 @@
-from sqlalchemy import mapper, util, Query, exceptions
+from sqlalchemy import util, exceptions
import types
-
-def monkeypatch_query_method(ctx, class_, name):
- def do(self, *args, **kwargs):
- query = Query(class_, session=ctx.current)
- return getattr(query, name)(*args, **kwargs)
- try:
- do.__name__ = name
- except:
- pass
- setattr(class_, name, classmethod(do))
-
-def monkeypatch_objectstore_method(ctx, class_, name):
+from sqlalchemy.orm import mapper
+
+def _monkeypatch_session_method(name, ctx, class_):
def do(self, *args, **kwargs):
session = ctx.current
- if name == "flush":
- # flush expects a list of objects
- self = [self]
return getattr(session, name)(self, *args, **kwargs)
try:
do.__name__ = name
except:
pass
- setattr(class_, name, do)
-
+ if not hasattr(class_, name):
+ setattr(class_, name, do)
+
def assign_mapper(ctx, class_, *args, **kwargs):
+ extension = kwargs.pop('extension', None)
+ if extension is not None:
+ extension = util.to_list(extension)
+ extension.append(ctx.mapper_extension)
+ else:
+ extension = ctx.mapper_extension
+
validate = kwargs.pop('validate', False)
+
if not isinstance(getattr(class_, '__init__'), types.MethodType):
def __init__(self, **kwargs):
for key, value in kwargs.items():
if validate:
- if not key in self.mapper.props:
+ if not self.mapper.get_property(key, resolve_synonyms=False, raiseerr=False):
raise exceptions.ArgumentError("Invalid __init__ argument: '%s'" % key)
setattr(self, key, value)
class_.__init__ = __init__
- extension = kwargs.pop('extension', None)
- if extension is not None:
- extension = util.to_list(extension)
- extension.append(ctx.mapper_extension)
- else:
- extension = ctx.mapper_extension
+
+ class query(object):
+ def __getattr__(self, key):
+ return getattr(ctx.current.query(class_), key)
+ def __call__(self):
+ return ctx.current.query(class_)
+
+ if not hasattr(class_, 'query'):
+ class_.query = query()
+
+ for name in ['refresh', 'expire', 'delete', 'expunge', 'update']:
+ _monkeypatch_session_method(name, ctx, class_)
+
m = mapper(class_, extension=extension, *args, **kwargs)
class_.mapper = m
- class_.query = classmethod(lambda cls: Query(class_, session=ctx.current))
- for name in ['get', 'filter', 'filter_by', 'select', 'select_by', 'selectfirst', 'selectfirst_by', 'selectone', 'selectone_by', 'get_by', 'join_to', 'join_via', 'count', 'count_by', 'options', 'instances']:
- monkeypatch_query_method(ctx, class_, name)
- for name in ['flush', 'delete', 'expire', 'refresh', 'expunge', 'merge', 'save', 'update', 'save_or_update']:
- monkeypatch_objectstore_method(ctx, class_, name)
return m