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[appy] appy.Hack: bugfix (patch of static methods).

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This commit is contained in:
Gaetan Delannay 2015-03-14 11:26:26 +01:00
parent 93504cc0f3
commit cf0309cb26
1 changed files with 17 additions and 9 deletions
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26
__init__.py
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@ -65,11 +65,12 @@ class Hack:
# On this class, store m_method under its "base" name
name = isStatic and method.func_name or method.im_func.__name__
baseName = '_base_%s_' % name
if isStatic:
# If "staticmethod" isn't called hereafter, the static functions
# will be wrapped in methods.
method = staticmethod(method)
replacement = staticmethod(replacement)
setattr(klass, baseName, method)
# Store the replacement method on klass. When doing so, even when
# m_method is static, it is wrapped in a method. This is why, in
# m_base below, when the method is static, we return method.im_func to
# retrieve the original static method.
setattr(klass, name, replacement)
@staticmethod
@ -79,17 +80,21 @@ class Hack:
isStatic = klass
klass = klass or method.im_class
name = isStatic and method.func_name or method.im_func.__name__
res = getattr(klass, '_base_%s_' % name)
if isStatic: res = res.im_func
return res
return getattr(klass, '_base_%s_' % name)
@staticmethod
def inject(patchClass, klass, verbose=False):
'''Injects any method or attribute from p_patchClass into klass.'''
patched = []
added = []
for name, attr in patchClass.__dict__.iteritems():
for name, attr in patchClass.__dict__.items():
if name.startswith('__'): continue # Ignore special methods
# Unwrap functions from static methods
if attr.__class__.__name__ == 'staticmethod':
attr = attr.__get__(attr)
static = True
else:
static = False
# Is this name already defined on p_klass ?
if hasattr(klass, name):
hasAttr = True
@ -99,7 +104,10 @@ class Hack:
klassAttr = None
if hasAttr and callable(attr) and callable(klassAttr):
# Patch this method via Hack.patch
Hack.patch(klassAttr, attr)
if static:
Hack.patch(klassAttr, attr, klass)
else:
Hack.patch(klassAttr, attr)
patched.append(name)
else:
# Simply replace the static attr or add the new static