def validate_driver_arguments(Driver, arguments):
"""
Validate that in all required arguments are existing.
@param required_arguments:
@param arguments:
@raise: L{MissingHeaderError}
"""
try:
required_args = get_method_requirements(Driver.__init__)
method_with_docstring = Driver.__init__
except NotImplementedError:
required_args = get_method_requirements(Driver.__new__)
method_with_docstring = Driver.__init__
#required args validate
missing_args = []
for arg_altertives in required_args:
if not any([arg in arguments for arg in arg_altertives]):
missing_args.append(arg_altertives)
if missing_args:
raise MissingArguments(missing_args)
#optional args validate
method_args_spec = inspect.getargspec(method_with_docstring)
method_args = method_args_spec[0][1:] # with removing 'self' or 'cls' arg
if method_args_spec[2]:
pass # TODO: add docs parsing for keyword arguments
unknown_arguments = []
required_args_flat = list(chain(*required_args))
for arg in arguments:
if not (arg in method_args or arg in required_args_flat):
unknown_arguments.append(arg)
if unknown_arguments:
raise UnknownArgument(arguments=unknown_arguments)
return True
def validate_driver_arguments(Driver, arguments):
"""
Validate that in all required arguments are existing.
@param required_arguments:
@param arguments:
@raise: L{MissingHeaderError}
"""
try:
required_args = get_method_requirements(Driver.__init__)
method_with_docstring = Driver.__init__
except NotImplementedError:
required_args = get_method_requirements(Driver.__new__)
method_with_docstring = Driver.__init__
#required args validate
missing_args = []
for arg_altertives in required_args:
if not any([arg in arguments for arg in arg_altertives]):
missing_args.append(arg_altertives)
if missing_args:
raise MissingArguments(missing_args)
#optional args validate
method_args_spec = inspect.getargspec(method_with_docstring)
method_args = method_args_spec[0][1:] # with removing 'self' or 'cls' arg
if method_args_spec[2]:
pass # TODO: add docs parsing for keyword arguments
unknown_arguments = []
required_args_flat = list(chain(*required_args))
for arg in arguments:
if not (arg in method_args or arg in required_args_flat):
unknown_arguments.append(arg)
if unknown_arguments:
raise UnknownArgument(arguments=unknown_arguments)
return True
def test_get_method_requirements(self):
#valid input
def t3():
"""
@requires: x, y or z
"""
reqs = parser.get_method_requirements(t3)
self.assertItemsEqual(reqs, [['x'], ['y', 'z']])
#invalid input
def t1():
pass
self.assertRaises(NotImplementedError, parser.get_method_requirements,
t1)
def t2():
"""
@return:
@rtype:
"""
self.assertRaises(NotImplementedError, parser.get_method_requirements,
t2)
def test_get_method_requirements(self):
#valid input
def t3():
"""
@requires: x, y or z
"""
reqs = parser.get_method_requirements(t3)
self.assertItemsEqual(reqs, [['x'], ['y', 'z']])
#invalid input
def t1():
pass
self.assertRaises(NotImplementedError,
parser.get_method_requirements, t1)
def t2():
"""
@return:
@rtype:
"""
self.assertRaises(NotImplementedError,
parser.get_method_requirements, t2)
def test_compute_requires(self):
providers = compute_providers.Provider
drivers = compute_providers.DRIVERS
for provider_name in providers.__dict__.keys():
if not provider_name.startswith('_'):
provider_name = provider_name.upper()
try:
Driver = get_driver_by_provider_name(
drivers, providers, provider_name)
try:
get_method_requirements(Driver.__init__)
except NotImplementedError:
try:
get_method_requirements(Driver.__new__)
except NotImplementedError:
raise NotImplementedError(
'%s provider has not @requires docstrign' %
provider_name)
except ProviderNotSupportedError:
pass
def test_compute_requires(self):
providers = compute_providers.Provider
drivers = compute_providers.DRIVERS
for provider_name in providers.__dict__.keys():
if not provider_name.startswith('_'):
provider_name = provider_name.upper()
try:
Driver = get_driver_by_provider_name(drivers,
providers,
provider_name)
try:
get_method_requirements(Driver.__init__)
except NotImplementedError:
try:
get_method_requirements(Driver.__new__)
except NotImplementedError:
raise NotImplementedError(
'%s provider has not @requires docstrign'
% provider_name)
except ProviderNotSupportedError:
pass
