def fixClassImplements(klass):
"""Switch class from __implements__ to zope implementation.
This does the opposite of backwardsCompatImplements, takes a class
using __implements__ and makes zope.interface know about it. Rather
than using this yourself, it's better to port your code to the new
API.
"""
if _fixedClasses.has_key(klass):
return
if not hasattr(klass, "__implements__"):
return
if isinstance(klass.__implements__, _implementsTuple):
# apparently inhereted from superclass that had backwardsCompatImplements()
# called on it. if subclass did its own __implements__, this would
# be a regular tuple, and thus trigger the warning-enabled code branch
# below, but since it's not, they're probably using new style implements()
# or didn't change implements from base class at all.
backwardsCompatImplements(klass)
return
if isinstance(klass.__implements__, (tuple, MetaInterface)):
warnings.warn("Please use implements(), not __implements__ for class %s" % klass, ComponentsDeprecationWarning, stacklevel=3)
iList = tupleTreeToList(klass.__implements__)
if iList:
declarations.classImplementsOnly(klass, *iList)
_fixedClasses[klass] = 1
def fixClassImplements(klass):
"""Switch class from __implements__ to zope implementation.
This does the opposite of backwardsCompatImplements, takes a class
using __implements__ and makes zope.interface know about it. Rather
than using this yourself, it's better to port your code to the new
API.
"""
if _fixedClasses.has_key(klass):
return
if not hasattr(klass, "__implements__"):
return
if isinstance(klass.__implements__, _implementsTuple):
backwardsCompatImplements(klass)
return
if isinstance(klass.__implements__, (tuple, MetaInterface)):
warnings.warn("Please use implements(), not __implements__ for class %s" % klass, ComponentsDeprecationWarning, stacklevel=3)
iList = tupleTreeToList(klass.__implements__)
if iList:
declarations.classImplementsOnly(klass, *iList)
_fixedClasses[klass] = 1
