proxy_db/utils.py
from __future__ import absolute_import
from importlib import import_module
from six import raise_from
from proxy_db._compat import urlparse
def get_domain(address):
netloc = urlparse(address).netloc
return netloc.split('@')[-1].split(':')[0]
def import_string(dotted_path):
"""
Import a dotted module path and return the attribute/class designated by the
last name in the path. Raise ImportError if the import failed.
"""
try:
module_path, class_name = dotted_path.rsplit('.', 1)
except ValueError as err:
# raise ImportError("%s doesn't look like a module path" % dotted_path) from err
raise_from(ImportError("%s doesn't look like a module path" % dotted_path), err)
module = import_module(module_path)
try:
return getattr(module, class_name)
except AttributeError as err:
# raise ImportError('Module "%s" does not define a "%s" attribute/class' % (
# module_path, class_name)
# ) from err
raise_from(ImportError('Module "%s" does not define a "%s" attribute/class' % (
module_path, class_name)
), err)