def test():
magic_variable_names = ('__init__', '__iter__', '__subclasscheck__')
non_magic_variable_names = ('sup_yo', '__nope!__', )
for magic_variable_name in magic_variable_names:
assert is_magic_variable_name(magic_variable_name)
for non_magic_variable_name in non_magic_variable_names:
assert not is_magic_variable_name(non_magic_variable_name)
def test():
magic_variable_names = ('__init__', '__iter__', '__subclasscheck__')
non_magic_variable_names = (
'sup_yo',
'__nope!__',
)
for magic_variable_name in magic_variable_names:
assert is_magic_variable_name(magic_variable_name)
for non_magic_variable_name in non_magic_variable_names:
assert not is_magic_variable_name(non_magic_variable_name)
def __new__(mcls, name, bases, namespace_dict):
my_type = super().__new__(mcls, name, bases, namespace_dict)
# We want the type's `vars`, but we want them "getted," and not in a
# `dict`, so we'll get method objects instead of plain functions.
my_getted_vars = misc_tools.getted_vars(my_type)
# Repeat after me: "Getted, not dict."
functions_to_anchor = [value for key, value in my_getted_vars.items()
if isinstance(value, types.FunctionType) and not
misc_tools.is_magic_variable_name(key)]
for function in functions_to_anchor:
module_name = function.__module__
module = sys.modules[module_name]
function_name = function.__name__
# Since this metaclass is a hacky enough solution as it is, let's
# be careful and ensure no object is already defined by the same
# name in the module level: (todotest)
try:
already_defined_object = getattr(module, function_name)
except AttributeError:
# Good, there is no object defined under our anchor address.
# This is the normal case.
setattr(module, function_name, function)
else:
# Something already exists at the anchor address; let's be
# careful.
if already_defined_object is not function:
raise Exception("An object `%s.%s` already exists! Can't "
"anchor function." % \
(module_name, function_name))
return my_type
def __new__(mcls, name, bases, namespace_dict):
my_type = super().__new__(mcls, name, bases, namespace_dict)
# We want the type's `vars`, but we want them "getted," and not in a
# `dict`, so we'll get method objects instead of plain functions.
my_getted_vars = misc_tools.getted_vars(my_type)
# Repeat after me: "Getted, not dict."
functions_to_anchor = [
value for key, value in my_getted_vars.items()
if isinstance(value, types.FunctionType)
and not misc_tools.is_magic_variable_name(key)
]
for function in functions_to_anchor:
module_name = function.__module__
module = sys.modules[module_name]
function_name = function.__name__
# Since this metaclass is a hacky enough solution as it is, let's
# be careful and ensure no object is already defined by the same
# name in the module level: (todotest)
try:
already_defined_object = getattr(module, function_name)
except AttributeError:
# Good, there is no object defined under our anchor address.
# This is the normal case.
setattr(module, function_name, function)
else:
# Something already exists at the anchor address; let's be
# careful.
if already_defined_object is not function:
raise Exception("An object `%s.%s` already exists! Can't "
"anchor function." % \
(module_name, function_name))
return my_type
