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nexedi
erp5
Commits
d1b2669a
Commit
d1b2669a
authored
Feb 26, 2024
by
Jérome Perrin
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Revert "lazy_class: WIP new metaclass"
This reverts commit 6135f41f49092270bdaff614bbd25aa7c0c62a41.
parent
f0dfffa6
Changes
1
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1 changed file
with
38 additions
and
35 deletions
+38
-35
product/ERP5Type/dynamic/lazy_class.py
product/ERP5Type/dynamic/lazy_class.py
+38
-35
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product/ERP5Type/dynamic/lazy_class.py
View file @
d1b2669a
...
...
@@ -22,6 +22,44 @@ from . import persistent_migration
from
ZODB.POSException
import
ConflictError
import
six
if
six
.
PY2
:
class
ERP5BaseBroken_
(
Broken
,
ERP5Base
,
PersistentBroken
):
pass
else
:
class
ERP5BaseBroken_
(
ERP5Base
,
PersistentBroken
):
pass
class
ERP5BaseBroken
(
ERP5BaseBroken_
):
# PersistentBroken can't be reused directly
# because its « layout differs from 'GhostPortalType' »
# This prevents serialize (ZODB) from reloading the class during commit
# (which would look for __Broken_newargs__ which is not present)
__getnewargs__
=
None
def
__metaclass__
(
name
,
base
,
d
):
d
=
dict
(
PersistentBroken
.
__dict__
,
**
d
)
for
x
in
'__dict__'
,
'__metaclass__'
,
'__weakref__'
:
del
d
[
x
]
def
get
(
x
):
def
get
(
self
):
d
=
self
.
__dict__
try
:
return
d
.
get
(
'__Broken_state__'
,
d
)[
x
]
except
KeyError
:
return
getattr
(
self
.
__class__
,
x
)
return
property
(
get
)
for
x
in
'id'
,
'title'
:
d
[
x
]
=
get
(
x
)
return
type
(
name
,
base
,
d
)
def
__getattr__
(
self
,
name
):
try
:
return
self
.
__dict__
[
'__Broken_state__'
][
name
]
# TypeError: SynchronizationTool => SynchronisationTool
except
(
KeyError
,
TypeError
):
raise
AttributeError
(
"state of broken %r object has no %r key"
%
(
self
.
__class__
.
__name__
,
name
))
# the meta class of a derived class must be a subclass of all of its bases:
# since a portal type derives from both Zope Extension classes and
...
...
@@ -361,38 +399,3 @@ def generateLazyPortalTypeClass(portal_type_name):
return
PortalTypeMetaClass
(
portal_type_name
,
(
InitGhostBase
,),
dict
(
portal_type
=
portal_type_name
))
class
ERP5BaseBrokenMetaClass
(
PortalTypeMetaClass
):
def
__new__
(
cls
,
name
,
bases
,
d
):
d
=
dict
(
PersistentBroken
.
__dict__
,
**
d
)
for
x
in
'__dict__'
,
'__weakref__'
:
del
d
[
x
]
if
six
.
PY2
:
del
d
[
'__metaclass__'
]
def
get
(
x
):
def
get
(
self
):
d
=
self
.
__dict__
try
:
return
d
.
get
(
'__Broken_state__'
,
d
)[
x
]
except
KeyError
:
return
getattr
(
self
.
__class__
,
x
)
return
property
(
get
)
for
x
in
'id'
,
'title'
:
d
[
x
]
=
get
(
x
)
return
super
(
ERP5BaseBrokenMetaClass
,
cls
).
__new__
(
cls
,
name
,
bases
,
d
)
class
ERP5BaseBroken
(
six
.
with_metaclass
(
ERP5BaseBrokenMetaClass
,
Broken
,
ERP5Base
,
PersistentBroken
)):
# This prevents serialize (ZODB) from reloading the class during commit
# (which would look for __Broken_newargs__ which is not present)
__getnewargs__
=
None
def
__getattr__
(
self
,
name
):
try
:
return
self
.
__dict__
[
'__Broken_state__'
][
name
]
# TypeError: SynchronizationTool => SynchronisationTool
except
(
KeyError
,
TypeError
):
raise
AttributeError
(
"state of broken %r object has no %r key"
%
(
self
.
__class__
.
__name__
,
name
))
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