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multiple inheritancies 

bzr revid: fp@tinyerp.com-20091217180528-w1l9pfnw131js22a
This commit is contained in:
Fabien Pinckaers 2009-12-17 19:05:28 +01:00
parent 004978197c
commit 7c1e89f851
1 changed files with 15 additions and 14 deletions
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29
bin/osv/osv.py
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@ -192,20 +192,21 @@ class osv_memory(orm.orm_memory):
#
def createInstance(cls, pool, module, cr):
name = hasattr(cls, '_name') and cls._name or cls._inherit
parent_name = hasattr(cls, '_inherit') and cls._inherit
if parent_name:
parent_class = pool.get(parent_name).__class__
assert pool.get(parent_name), "parent class %s does not exist in module %s !" % (parent_name, module)
nattr = {}
for s in ('_columns', '_defaults'):
new = copy.copy(getattr(pool.get(parent_name), s))
if hasattr(new, 'update'):
new.update(cls.__dict__.get(s, {}))
else:
new.extend(cls.__dict__.get(s, []))
nattr[s] = new
name = hasattr(cls, '_name') and cls._name or cls._inherit
cls = type(name, (cls, parent_class), nattr)
parent_names = hasattr(cls, '_inherit') and cls._inherit
if parent_names:
for parent_name in ((type(parent_names)==list) and parent_names or [parent_names]):
parent_class = pool.get(parent_name).__class__
assert pool.get(parent_name), "parent class %s does not exist in module %s !" % (parent_name, module)
nattr = {}
for s in ('_columns', '_defaults'):
new = copy.copy(getattr(pool.get(parent_name), s))
if hasattr(new, 'update'):
new.update(cls.__dict__.get(s, {}))
else:
new.extend(cls.__dict__.get(s, []))
nattr[s] = new
name = hasattr(cls, '_name') and cls._name or cls._inherit
cls = type(name, (cls, parent_class), nattr)
obj = object.__new__(cls)
obj.__init__(pool, cr)