def classAddMethod(cls, name, method):
"""
Add a single method to a class. 'name' is the ObjC selector
"""
if isinstance(method, selector):
sel = selector(method.callable,
selector=name,
signature=method.signature,
isClassMethod=method.isClassMethod)
else:
sel = selector(method, selector=name)
return classAddMethods(cls, [sel])
def classAddMethod(cls, name, method):
"""
Add a single method to a class. 'name' is the ObjC selector
"""
if isinstance(method, selector):
sel = selector(method.callable,
selector=name,
signature=method.signature,
isClassMethod=method.isClassMethod)
else:
sel = selector(method, selector=name)
return classAddMethods(cls, [sel])
def makeBundleForClass():
cb = currentBundle()
def bundleForClass(cls):
return cb
return selector(bundleForClass, isClassMethod=True)
def accessor(func, typeSignature=b'@'):
"""
Return an Objective-C method object that is conformant with key-value coding
and key-value observing.
"""
from inspect import getargspec
args, varargs, varkw, defaults = getargspec(func)
funcName = func.__name__
maxArgs = len(args)
minArgs = maxArgs - len(defaults or ())
# implicit self
selArgs = 1 + funcName.count('_')
if varargs is not None or varkw is not None:
raise TypeError('%s can not be an accessor because it accepts varargs or varkw' % (funcName,))
if not (minArgs <= selArgs <= maxArgs):
if selArgs == 3 and (minArgs <= 2 <= maxArgs) and funcName.startswith('validate') and funcName.endswith('_error_'):
return selector(func, signature=b'Z@:N^@o^@')
elif minArgs == maxArgs:
raise TypeError('%s expected to take %d args, but must accept %d from Objective-C (implicit self plus count of underscores)' % (funcName, maxArgs, selArgs))
else:
raise TypeError('%s expected to take between %d and %d args, but must accept %d from Objective-C (implicit self plus count of underscores)' % (funcName, minArgs, maxArgs, selArgs))
if selArgs == 3:
if funcName.startswith('validate') and funcName.endswith('_error_'):
return selector(func, signature=b'Z@:N^@o^@')
if funcName.startswith('insertObject_in') and funcName.endswith('AtIndex_'):
return selector(func, signature=b'v@:@i')
elif funcName.startswith('replaceObjectIn') and funcName.endswith('AtIndex_withObject_'):
return selector(func, signature=b'v@:i@')
# pass through to "too many arguments"
elif selArgs == 2:
if funcName.startswith('objectIn') and funcName.endswith('AtIndex_'):
return selector(func, signature=b'@@:i')
elif funcName.startswith('removeObjectFrom') and funcName.endswith('AtIndex_'):
return selector(func, signature=b'v@:i')
elif funcName.startswith('get') and funcName.endswith('_range_'):
return selector(func, signature=b'@@:{_NSRange=ii}')
return selector(func, signature=b"v@:" + typeSignature)
elif selArgs == 1:
if typeSignature == b'@' and func.func_name.startswith('countOf'):
typeSignature = 'i'
return selector(func, signature=typeSignature + b"@:")
raise TypeError("%s takes too many arguments to be an accessor" % (funcName,))
def IBAction(func):
"""
Return an Objective-C method object that can be used as an action
in Interface Builder.
"""
if func is None:
raise TypeError("IBAction argument must be a callable")
return selector(func, signature=b"v@:@")
def IBAction(func):
"""
Return an Objective-C method object that can be used as an action
in Interface Builder.
"""
if func is None:
raise TypeError("IBAction argument must be a callable")
return selector(func, signature=b"v@:@")
def makeSignature(func):
return selector(func, **kw)
def instancemethod(func):
return selector(func, isClassMethod=False)
def _namedselector(func):
return selector(func, selector=name)
def addSignature(function):
return selector(function, signature=signature)
def makeSignature(func):
return selector(func, **kw)
def instancemethod(func):
if func is None:
raise TypeError("instancemethod argument must be a callable")
return selector(func, isClassMethod=False)
def IBAction(func):
"""
Return an Objective-C method object that can be used as an action
in Interface Builder.
"""
return selector(func, signature=b"v@:@")
def _namedselector(func):
if func is None:
raise TypeError("IBAction argument must be a callable")
return selector(func, selector=name)
def _typedSelector(func):
return selector(func, signature=signature)
def instancemethod(func):
return selector(func, isClassMethod=False)
def instancemethod(func):
if func is None:
raise TypeError("instancemethod argument must be a callable")
return selector(func, isClassMethod=False)
def IBAction(func):
"""
Return an Objective-C method object that can be used as an action
in Interface Builder.
"""
return selector(func, signature=b"v@:@")
def _namedselector(func):
return selector(func, selector=name)
def _namedselector(func):
return selector(func, selector=name, signature=signature)
def _typedSelector(func):
return selector(func, signature=signature)
def accessor(func, typeSignature=b'@'):
"""
Return an Objective-C method object that is conformant with key-value coding
and key-value observing.
"""
if getfullargspec is not None:
args, varargs, varkw, defaults, kwonlyargs, kwonlydefaults, annotations = getfullargspec(func)
else:
args, varargs, varkw, defaults = getargspec(func)
kwonlyargs = kwonlydefaults = annotations = None
funcName = func.__name__
maxArgs = len(args)
minArgs = maxArgs - len(defaults or ())
# implicit self
selArgs = 1 + funcName.count('_')
if varargs is not None or varkw is not None or kwonlyargs:
raise TypeError('%s can not be an accessor because it accepts varargs, varkw or kwonly' % (funcName,))
if not (minArgs <= selArgs <= maxArgs):
if minArgs == maxArgs:
raise TypeError('%s expected to take %d args, but must accept %d from Objective-C (implicit self plus count of underscores)' % (funcName, maxArgs, selArgs))
else:
raise TypeError('%s expected to take between %d and %d args, but must accept %d from Objective-C (implicit self plus count of underscores)' % (funcName, minArgs, maxArgs, selArgs))
if selArgs == 3:
if funcName.startswith('validate') and funcName.endswith('_error_'):
return selector(func, signature=_C_NSBOOL + b'@:N^@o^@')
if funcName.startswith('insertObject_in') and funcName.endswith('AtIndex_'):
return selector(func, signature=b'v@:' + typeSignature + _C_NSUInteger)
elif funcName.startswith('replaceObjectIn') and funcName.endswith('AtIndex_withObject_'):
return selector(func, signature=b'v@:' + _C_NSUInteger + typeSignature)
elif funcName.startswith('get') and funcName.endswith('_range_'):
return selector(func, signature=b'v@:o^@' + _C_NSRange)
elif funcName.startswith('insert') and funcName.endswith('_atIndexes_'):
return selector(func, signature=b'v@:@@')
elif funcName.startswith('replace') and 'AtIndexes_with' in funcName:
return selector(func, signature=b'v@:@@')
# pass through to "too many arguments"
elif selArgs == 2:
if funcName.startswith('objectIn') and funcName.endswith('AtIndex_'):
return selector(func, signature=typeSignature + b'@:' + _C_NSUInteger)
elif funcName.startswith('removeObjectFrom') and funcName.endswith('AtIndex_'):
return selector(func, signature=b'v@:' + _C_NSUInteger)
elif funcName.startswith('remove') and funcName.endswith('AtIndexes_'):
return selector(func, signature=b"v@:@")
elif funcName.endswith('AtIndexes_'):
return selector(func, signature=b"@@:@")
elif funcName.startswith('memberOf'):
return selector(func, signature=_C_NSBOOL + b"@:" + typeSignature)
elif funcName.startswith('add') and funcName.endswith('Object_'):
return selector(func, signature=b"v@:" + typeSignature)
elif funcName.startswith('add'):
return selector(func, signature=b"v@:@")
elif funcName.startswith('intersect'):
return selector(func, signature=b"v@:@")
return selector(func, signature=b"v@:" + typeSignature)
elif selArgs == 1:
if funcName.startswith('countOf'):
typeSignature = _C_NSUInteger
elif funcName.startswith('enumerator'):
typeSignature = b"@"
return selector(func, signature=typeSignature + b"@:")
raise TypeError("%s not recognized as an accessor" % (funcName,))
def accessor(func, typeSignature=b'@'):
"""
Return an Objective-C method object that is conformant with key-value coding
and key-value observing.
"""
from inspect import getargspec
args, varargs, varkw, defaults = getargspec(func)
funcName = func.__name__
maxArgs = len(args)
minArgs = maxArgs - len(defaults or ())
# implicit self
selArgs = 1 + funcName.count('_')
if varargs is not None or varkw is not None:
raise TypeError(
'%s can not be an accessor because it accepts varargs or varkw' %
(funcName, ))
if not (minArgs <= selArgs <= maxArgs):
if selArgs == 3 and (minArgs <= 2 <= maxArgs) and funcName.startswith(
'validate') and funcName.endswith('_error_'):
return selector(func, signature=b'Z@:N^@o^@')
elif minArgs == maxArgs:
raise TypeError(
'%s expected to take %d args, but must accept %d from Objective-C (implicit self plus count of underscores)'
% (funcName, maxArgs, selArgs))
else:
raise TypeError(
'%s expected to take between %d and %d args, but must accept %d from Objective-C (implicit self plus count of underscores)'
% (funcName, minArgs, maxArgs, selArgs))
if selArgs == 3:
if funcName.startswith('validate') and funcName.endswith('_error_'):
return selector(func, signature=b'Z@:N^@o^@')
if funcName.startswith('insertObject_in') and funcName.endswith(
'AtIndex_'):
return selector(func, signature=b'v@:@i')
elif funcName.startswith('replaceObjectIn') and funcName.endswith(
'AtIndex_withObject_'):
return selector(func, signature=b'v@:i@')
# pass through to "too many arguments"
elif selArgs == 2:
if funcName.startswith('objectIn') and funcName.endswith('AtIndex_'):
return selector(func, signature=b'@@:i')
elif funcName.startswith('removeObjectFrom') and funcName.endswith(
'AtIndex_'):
return selector(func, signature=b'v@:i')
elif funcName.startswith('get') and funcName.endswith('_range_'):
return selector(func, signature=b'@@:{_NSRange=ii}')
return selector(func, signature=b"v@:" + typeSignature)
elif selArgs == 1:
if typeSignature == b'@' and func.func_name.startswith('countOf'):
typeSignature = 'i'
return selector(func, signature=typeSignature + b"@:")
raise TypeError("%s takes too many arguments to be an accessor" %
(funcName, ))
def _add_convenience_methods(super_class, name, type_dict):
"""
Add additional methods to the type-dict of subclass 'name' of
'super_class'.
CONVENIENCE_METHODS is a global variable containing a mapping from
an Objective-C selector to a Python method name and implementation.
CLASS_METHODS is a global variable containing a mapping from
class name to a list of Python method names and implementation.
Matching entries from both mappings are added to the 'type_dict'.
"""
if type_dict.get("__objc_python_subclass__"):
if "bundleForClass" not in type_dict:
cb = currentBundle()
def bundleForClass(cls):
return cb
type_dict["bundleForClass"] = selector(bundleForClass, isClassMethod=True)
if "__bundle_hack__" in type_dict:
import warnings
warnings.warn("__bundle_hack__ is not necessary in PyObjC 1.3+ / py2app 0.1.8+", DeprecationWarning)
look_at_super = super_class is not None and super_class.__name__ != "Object"
owner = {}
for k, sel in type_dict.items():
if not isinstance(sel, selector):
continue
#
# Handle some common exceptions to the usual rules:
#
sel = sel.selector
if sel in CONVENIENCE_METHODS:
v = CONVENIENCE_METHODS[sel]
for nm, value in v:
if nm in type_dict and isinstance(type_dict[nm], selector):
# Clone attributes of already existing version
t = type_dict[nm]
v = selector(value, selector=t.selector, signature=t.signature, isClassMethod=t.isClassMethod)
type_dict[nm] = v
elif look_at_super and hasattr(super_class, nm):
# Skip, inherit the implementation from a super_class
pass
elif nm not in type_dict or _canOverride(nm, owner, sel):
type_dict[nm] = value
owner[nm] = sel
if name in CLASS_METHODS:
for nm, value in CLASS_METHODS[name]:
type_dict[nm] = value
if name == "NSObject":
class kvc(object):
"""
Key-Value-Coding accessor for Cocoa objects.
Both attribute access and dict-like indexing will attempt to
access the requested item through Key-Value-Coding.
"""
__slots__ = ("__object",)
def __init__(self, value):
self.__object = value
def __repr__(self):
return "<KVC accessor for %r>" % (self.__object,)
def __getattr__(self, key):
try:
return self.__object.valueForKey_(key)
except KeyError, msg:
if hasattr(msg, "_pyobjc_info_") and msg._pyobjc_info_["name"] == "NSUnknownKeyException":
raise AttributeError(key)
raise
def __setattr__(self, key, value):
if not key.startswith("_"):
return self.__object.setValue_forKey_(value, key)
else:
super(kvc, self).__setattr__(key, value)
def __getitem__(self, key):
if not isinstance(key, (str, unicode)):
raise TypeError("Key must be string")
return self.__object.valueForKey_(key)
def __setitem__(self, key, value):
if not isinstance(key, (str, unicode)):
raise TypeError("Key must be string")
return self.__object.setValue_forKey_(value, key)
type_dict["_"] = property(kvc)
def makeBundleForClass():
cb = currentBundle()
def bundleForClass(cls):
return cb
return selector(bundleForClass, isClassMethod=True)
def accessor(func, typeSignature=b"@"):
"""
Return an Objective-C method object that is conformant with key-value coding
and key-value observing.
"""
if getfullargspec is not None:
(
args,
varargs,
varkw,
defaults,
kwonlyargs,
_kwonlydefaults,
_annotations,
) = getfullargspec(func)
else:
args, varargs, varkw, defaults = getargspec(func)
kwonlyargs = None
funcName = func.__name__
maxArgs = len(args)
minArgs = maxArgs - len(defaults or ())
# implicit self
selArgs = 1 + funcName.count("_")
if varargs is not None or varkw is not None or kwonlyargs:
raise TypeError(
"%s can not be an accessor because it accepts varargs, varkw or kwonly"
% (funcName, ))
if not (minArgs <= selArgs <= maxArgs):
if minArgs == maxArgs:
raise TypeError(
"%s expected to take %d args, but must accept %d "
"from Objective-C (implicit self plus count of underscores)" %
(funcName, maxArgs, selArgs))
else:
raise TypeError(
"%s expected to take between %d and %d args, but must accept %d "
"from Objective-C (implicit self plus count of underscores)" %
(funcName, minArgs, maxArgs, selArgs))
if selArgs == 3:
if funcName.startswith("validate") and funcName.endswith("_error_"):
return selector(func, signature=_C_NSBOOL + b"@:N^@o^@")
if funcName.startswith("insertObject_in") and funcName.endswith(
"AtIndex_"):
return selector(func,
signature=b"v@:" + typeSignature + _C_NSUInteger)
elif funcName.startswith("replaceObjectIn") and funcName.endswith(
"AtIndex_withObject_"):
return selector(func,
signature=b"v@:" + _C_NSUInteger + typeSignature)
elif funcName.startswith("get") and funcName.endswith("_range_"):
return selector(func, signature=b"v@:o^@" + _C_NSRange)
elif funcName.startswith("insert") and funcName.endswith(
"_atIndexes_"):
return selector(func, signature=b"v@:@@")
elif funcName.startswith("replace") and "AtIndexes_with" in funcName:
return selector(func, signature=b"v@:@@")
# pass through to "too many arguments"
elif selArgs == 2:
if funcName.startswith("objectIn") and funcName.endswith("AtIndex_"):
return selector(func,
signature=typeSignature + b"@:" + _C_NSUInteger)
elif funcName.startswith("removeObjectFrom") and funcName.endswith(
"AtIndex_"):
return selector(func, signature=b"v@:" + _C_NSUInteger)
elif funcName.startswith("remove") and funcName.endswith("AtIndexes_"):
return selector(func, signature=b"v@:@")
elif funcName.endswith("AtIndexes_"):
return selector(func, signature=b"@@:@")
elif funcName.startswith("memberOf"):
return selector(func, signature=_C_NSBOOL + b"@:" + typeSignature)
elif funcName.startswith("add") and funcName.endswith("Object_"):
return selector(func, signature=b"v@:" + typeSignature)
elif funcName.startswith("add"):
return selector(func, signature=b"v@:@")
elif funcName.startswith("intersect"):
return selector(func, signature=b"v@:@")
return selector(func, signature=b"v@:" + typeSignature)
elif selArgs == 1:
if funcName.startswith("countOf"):
typeSignature = _C_NSUInteger
elif funcName.startswith("enumerator"):
typeSignature = b"@"
return selector(func, signature=typeSignature + b"@:")
raise TypeError("%s not recognized as an accessor" % (funcName, ))
def add_convenience_methods(super_class, name, type_dict):
"""
Add additional methods to the type-dict of subclass 'name' of
'super_class'.
_CONVENIENCE_METHODS is a global variable containing a mapping from
an Objective-C selector to a Python method name and implementation.
CLASS_METHODS is a global variable containing a mapping from
class name to a list of Python method names and implementation.
Matching entries from both mappings are added to the 'type_dict'.
"""
if type_dict.get('__objc_python_subclass__'):
if 'bundleForClass' not in type_dict:
cb = currentBundle()
def bundleForClass(cls):
return cb
type_dict['bundleForClass'] = selector(bundleForClass, isClassMethod=True)
look_at_super = (super_class is not None and super_class.__name__ != 'Object')
for k, sel in list(type_dict.items()):
if not isinstance(sel, selector):
continue
#
# Handle some common exceptions to the usual rules:
#
sel = sel.selector
if sel in _CONVENIENCE_METHODS:
v = _CONVENIENCE_METHODS[sel]
for nm, value in v:
if nm in type_dict and isinstance(type_dict[nm], selector):
# Clone attributes of already existing version
t = type_dict[nm]
v = selector(value, selector=t.selector,
signature=t.signature, isClassMethod=t.isClassMethod)
type_dict[nm] = v
elif look_at_super and hasattr(super_class, nm):
# Skip, inherit the implementation from a super_class
pass
elif nm not in type_dict:
type_dict[nm] = value
if name in CLASS_METHODS:
for nm, value in CLASS_METHODS[name]:
type_dict[nm] = value
if name == 'NSObject':
class kvc (object):
"""
Key-Value-Coding accessor for Cocoa objects.
Both attribute access and dict-like indexing will attempt to
access the requested item through Key-Value-Coding.
"""
__slots__ = ('__object',)
def __init__(self, value):
self.__object = value
def __repr__(self):
return "<KVC accessor for %r>"%(self.__object,)
def __getattr__(self, key):
try:
return self.__object.valueForKey_(key)
except KeyError as msg:
if hasattr(msg, '_pyobjc_info_') and msg._pyobjc_info_['name'] == 'NSUnknownKeyException':
raise AttributeError(key)
raise
def __setattr__(self, key, value):
if not key.startswith('_'):
return self.__object.setValue_forKey_(value, key)
else:
super(kvc, self).__setattr__(key, value)
def __getitem__(self, key):
if not isinstance(key, STR_TYPES):
raise TypeError("Key must be string")
return self.__object.valueForKey_(key)
def __setitem__(self, key, value):
if not isinstance(key, STR_TYPES):
raise TypeError("Key must be string")
return self.__object.setValue_forKey_(value, key)
type_dict['_'] = property(kvc)
def _typedSelector(func):
if func is None:
raise TypeError(
"typedSelector() function argument must be a callable")
return selector(func, signature=signature)
def accessor(func, typeSignature=b"@"):
"""
Return an Objective-C method object that is conformant with key-value coding
and key-value observing.
"""
args, varargs, varkw, defaults = getargspec(func)
funcName = func.__name__
maxArgs = len(args)
minArgs = maxArgs - len(defaults or ())
# implicit self
selArgs = 1 + funcName.count("_")
if varargs is not None or varkw is not None:
raise TypeError("%s can not be an accessor because it accepts varargs or varkw" % (funcName,))
if not (minArgs <= selArgs <= maxArgs):
if minArgs == maxArgs:
raise TypeError(
"%s expected to take %d args, but must accept %d from Objective-C (implicit self plus count of underscores)"
% (funcName, maxArgs, selArgs)
)
else:
raise TypeError(
"%s expected to take between %d and %d args, but must accept %d from Objective-C (implicit self plus count of underscores)"
% (funcName, minArgs, maxArgs, selArgs)
)
if selArgs == 3:
if funcName.startswith("validate") and funcName.endswith("_error_"):
return selector(func, signature=_C_NSBOOL + b"@:N^@o^@")
if funcName.startswith("insertObject_in") and funcName.endswith("AtIndex_"):
return selector(func, signature=b"v@:" + typeSignature + _C_NSUInteger)
elif funcName.startswith("replaceObjectIn") and funcName.endswith("AtIndex_withObject_"):
return selector(func, signature=b"v@:" + _C_NSUInteger + typeSignature)
elif funcName.startswith("get") and funcName.endswith("_range_"):
return selector(func, signature=b"v@:o^@" + _C_NSRange)
elif funcName.startswith("insert") and funcName.endswith("_atIndexes_"):
return selector(func, signature=b"v@:@@")
elif funcName.startswith("replace") and "AtIndexes_with" in funcName:
return selector(func, signature=b"v@:@@")
# pass through to "too many arguments"
elif selArgs == 2:
if funcName.startswith("objectIn") and funcName.endswith("AtIndex_"):
return selector(func, signature=typeSignature + b"@:" + _C_NSUInteger)
elif funcName.startswith("removeObjectFrom") and funcName.endswith("AtIndex_"):
return selector(func, signature=b"v@:" + _C_NSUInteger)
elif funcName.startswith("remove") and funcName.endswith("AtIndexes_"):
return selector(func, signature=b"v@:@")
elif funcName.endswith("AtIndexes_"):
return selector(func, signature=b"@@:@")
elif funcName.startswith("memberOf"):
return selector(func, signature=_C_NSBOOL + b"@:" + typeSignature)
elif funcName.startswith("add") and funcName.endswith("Object_"):
return selector(func, signature=b"v@:" + typeSignature)
elif funcName.startswith("add"):
return selector(func, signature=b"v@:@")
elif funcName.startswith("intersect"):
return selector(func, signature=b"v@:@")
return selector(func, signature=b"v@:" + typeSignature)
elif selArgs == 1:
if funcName.startswith("countOf"):
typeSignature = _C_NSUInteger
elif funcName.startswith("enumerator"):
typeSignature = b"@"
return selector(func, signature=typeSignature + b"@:")
raise TypeError("%s not recognized as an accessor" % (funcName,))
def addSignature(function):
return selector(function, signature=signature)
def add_convenience_methods(super_class, name, type_dict):
"""
Add additional methods to the type-dict of subclass 'name' of
'super_class'.
_CONVENIENCE_METHODS is a global variable containing a mapping from
an Objective-C selector to a Python method name and implementation.
CLASS_METHODS is a global variable containing a mapping from
class name to a list of Python method names and implementation.
Matching entries from both mappings are added to the 'type_dict'.
"""
if type_dict.get('__objc_python_subclass__'):
if 'bundleForClass' not in type_dict:
cb = currentBundle()
def bundleForClass(cls):
return cb
type_dict['bundleForClass'] = selector(bundleForClass,
isClassMethod=True)
look_at_super = (super_class is not None
and super_class.__name__ != 'Object')
for k, sel in list(type_dict.items()):
if not isinstance(sel, selector):
continue
#
# Handle some common exceptions to the usual rules:
#
sel = sel.selector
if sel in _CONVENIENCE_METHODS:
v = _CONVENIENCE_METHODS[sel]
for nm, value in v:
if nm in type_dict and isinstance(type_dict[nm], selector):
# Clone attributes of already existing version
t = type_dict[nm]
v = selector(value,
selector=t.selector,
signature=t.signature,
isClassMethod=t.isClassMethod)
type_dict[nm] = v
elif look_at_super and hasattr(super_class, nm):
# Skip, inherit the implementation from a super_class
pass
elif nm not in type_dict:
type_dict[nm] = value
if name in CLASS_METHODS:
for nm, value in CLASS_METHODS[name]:
type_dict[nm] = value
if name == 'NSObject':
class kvc(object):
"""
Key-Value-Coding accessor for Cocoa objects.
Both attribute access and dict-like indexing will attempt to
access the requested item through Key-Value-Coding.
"""
__slots__ = ('__object', )
def __init__(self, value):
self.__object = value
def __repr__(self):
return "<KVC accessor for %r>" % (self.__object, )
def __getattr__(self, key):
try:
return self.__object.valueForKey_(key)
except KeyError as msg:
if hasattr(
msg, '_pyobjc_info_'
) and msg._pyobjc_info_['name'] == 'NSUnknownKeyException':
raise AttributeError(key)
raise
def __setattr__(self, key, value):
if not key.startswith('_'):
return self.__object.setValue_forKey_(value, key)
else:
super(kvc, self).__setattr__(key, value)
def __getitem__(self, key):
if not isinstance(key, STR_TYPES):
raise TypeError("Key must be string")
return self.__object.valueForKey_(key)
def __setitem__(self, key, value):
if not isinstance(key, STR_TYPES):
raise TypeError("Key must be string")
return self.__object.setValue_forKey_(value, key)
type_dict['_'] = property(kvc)
def _typedSelector(func):
if func is None:
raise TypeError("typedSelector() function argument must be a callable")
return selector(func, signature=signature)
def _namedselector(func):
if func is None:
raise TypeError("IBAction argument must be a callable")
return selector(func, selector=name)
def accessor(func, typeSignature=b'@'):
"""
Return an Objective-C method object that is conformant with key-value coding
and key-value observing.
"""
if getfullargspec is not None:
args, varargs, varkw, defaults, kwonlyargs, kwonlydefaults, annotations = getfullargspec(
func)
else:
args, varargs, varkw, defaults = getargspec(func)
kwonlyargs = kwonlydefaults = annotations = None
funcName = func.__name__
maxArgs = len(args)
minArgs = maxArgs - len(defaults or ())
# implicit self
selArgs = 1 + funcName.count('_')
if varargs is not None or varkw is not None or kwonlyargs:
raise TypeError(
'%s can not be an accessor because it accepts varargs, varkw or kwonly'
% (funcName, ))
if not (minArgs <= selArgs <= maxArgs):
if minArgs == maxArgs:
raise TypeError(
'%s expected to take %d args, but must accept %d from Objective-C (implicit self plus count of underscores)'
% (funcName, maxArgs, selArgs))
else:
raise TypeError(
'%s expected to take between %d and %d args, but must accept %d from Objective-C (implicit self plus count of underscores)'
% (funcName, minArgs, maxArgs, selArgs))
if selArgs == 3:
if funcName.startswith('validate') and funcName.endswith('_error_'):
return selector(func, signature=_C_NSBOOL + b'@:N^@o^@')
if funcName.startswith('insertObject_in') and funcName.endswith(
'AtIndex_'):
return selector(func,
signature=b'v@:' + typeSignature + _C_NSUInteger)
elif funcName.startswith('replaceObjectIn') and funcName.endswith(
'AtIndex_withObject_'):
return selector(func,
signature=b'v@:' + _C_NSUInteger + typeSignature)
elif funcName.startswith('get') and funcName.endswith('_range_'):
return selector(func, signature=b'v@:o^@' + _C_NSRange)
elif funcName.startswith('insert') and funcName.endswith(
'_atIndexes_'):
return selector(func, signature=b'v@:@@')
elif funcName.startswith('replace') and 'AtIndexes_with' in funcName:
return selector(func, signature=b'v@:@@')
# pass through to "too many arguments"
elif selArgs == 2:
if funcName.startswith('objectIn') and funcName.endswith('AtIndex_'):
return selector(func,
signature=typeSignature + b'@:' + _C_NSUInteger)
elif funcName.startswith('removeObjectFrom') and funcName.endswith(
'AtIndex_'):
return selector(func, signature=b'v@:' + _C_NSUInteger)
elif funcName.startswith('remove') and funcName.endswith('AtIndexes_'):
return selector(func, signature=b"v@:@")
elif funcName.endswith('AtIndexes_'):
return selector(func, signature=b"@@:@")
elif funcName.startswith('memberOf'):
return selector(func, signature=_C_NSBOOL + b"@:" + typeSignature)
elif funcName.startswith('add') and funcName.endswith('Object_'):
return selector(func, signature=b"v@:" + typeSignature)
elif funcName.startswith('add'):
return selector(func, signature=b"v@:@")
elif funcName.startswith('intersect'):
return selector(func, signature=b"v@:@")
return selector(func, signature=b"v@:" + typeSignature)
elif selArgs == 1:
if funcName.startswith('countOf'):
typeSignature = _C_NSUInteger
elif funcName.startswith('enumerator'):
typeSignature = b"@"
return selector(func, signature=typeSignature + b"@:")
raise TypeError("%s not recognized as an accessor" % (funcName, ))
def _namedselector(func):
return selector(func, selector=name, signature=signature)
