def __init__(cls, what, bases=None, dict_=None): # noqa
if '__depends_on__' in dict_:
mod_names, package_names = parse_mod_deps(dict_['__depends_on__'])
mods_exist = [module_exists(m) for m in mod_names]
if not all(mods_exist):
missing_pkgs = [p for p, x in zip(package_names, mods_exist)
if not x]
if len(missing_pkgs) > 1:
error_msg = '{} depends on missing [{}] packages.'.format(
cls.__name__, ", ".join(missing_pkgs))
else:
error_msg = '{} depends on missing "{}" package.'.format(
cls.__name__, missing_pkgs[0])
def _apply(cls, args, run):
raise ImportError(error_msg)
cls.__doc__ = '( ' + error_msg + ')'
cls.apply = classmethod(_apply)
cls._enabled = False
type.__init__(cls, what, bases, dict_)
def __init__(cls, what, bases=None, dict_=None): # noqa
if '__depends_on__' in dict_:
mod_names, package_names = parse_mod_deps(dict_['__depends_on__'])
mods_exist = [module_exists(m) for m in mod_names]
if not all(mods_exist):
missing_pkgs = [p for p, x in zip(package_names, mods_exist)
if not x]
if len(missing_pkgs) > 1:
error_msg = '{} depends on missing [{}] packages.'.format(
cls.__name__, ", ".join(missing_pkgs))
else:
error_msg = '{} depends on missing "{}" package.'.format(
cls.__name__, missing_pkgs[0])
def _apply(cls, args, run):
raise ImportError(error_msg)
cls.__doc__ = '( ' + error_msg + ')'
cls.apply = classmethod(_apply)
cls._enabled = False
type.__init__(cls, what, bases, dict_)
def test_module_exists_does_not_import_module():
assert module_exists("tests.donotimport")
def test_module_exists_base_level_modules():
assert module_exists("pytest")
assert not module_exists("clearly_non_existing_module_name")
def test_module_exists_base_level_modules():
assert module_exists('pytest')
assert not module_exists('clearly_non_existing_module_name')
def test_module_exists_does_not_import_module():
assert module_exists('tests.donotimport')
def test_module_exists_base_level_modules():
assert module_exists('pytest')
assert not module_exists('clearly_non_existing_module_name')
