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[imp] multiple inheritancies

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bzr revid: fp@tinyerp.com-20091217180756-rub0yjz05va8ryh7
This commit is contained in:
Fabien Pinckaers
2009-12-17 19:07:56 +01:00
parent 7c1e89f851
commit 1320ab5122
1 changed files with 25 additions and 24 deletions
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bin/osv/osv.py
+25 -24
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@@ -239,31 +239,32 @@ class osv(orm.orm):
# put objects in the pool var
#
def createInstance(cls, pool, module, cr):
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', '_inherits', '_constraints', '_sql_constraints'):
new = copy.copy(getattr(pool.get(parent_name), s))
if hasattr(new, 'update'):
new.update(cls.__dict__.get(s, {}))
else:
if s=='_constraints':
for c in cls.__dict__.get(s, []):
exist = False
for c2 in range(len(new)):
if new[c2][2]==c[2]:
new[c2] = c
exist = True
break
if not exist:
new.append(c)
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', '_inherits', '_constraints', '_sql_constraints'):
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)
if s=='_constraints':
for c in cls.__dict__.get(s, []):
exist = False
for c2 in range(len(new)):
if new[c2][2]==c[2]:
new[c2] = c
exist = True
break
if not exist:
new.append(c)
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)
return obj