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imports.py
47 lines
| 1.6 KiB
| text/x-python
|
PythonLexer
r1 | # -*- coding: utf-8 -*- | |||
r1271 | # Copyright (C) 2010-2017 RhodeCode GmbH | |||
r1 | # | |||
# This program is free software: you can redistribute it and/or modify | ||||
# it under the terms of the GNU Affero General Public License, version 3 | ||||
# (only), as published by the Free Software Foundation. | ||||
# | ||||
# This program is distributed in the hope that it will be useful, | ||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
# GNU General Public License for more details. | ||||
# | ||||
# You should have received a copy of the GNU Affero General Public License | ||||
# along with this program. If not, see <http://www.gnu.org/licenses/>. | ||||
# | ||||
# This program is dual-licensed. If you wish to learn more about the | ||||
# RhodeCode Enterprise Edition, including its added features, Support services, | ||||
# and proprietary license terms, please see https://rhodecode.com/licenses/ | ||||
from rhodecode.lib.vcs.exceptions import VCSError | ||||
def import_class(class_path): | ||||
""" | ||||
Returns class from the given path. | ||||
For example, in order to get class located at | ||||
``vcs.backends.hg.MercurialRepository``: | ||||
try: | ||||
hgrepo = import_class('vcs.backends.hg.MercurialRepository') | ||||
except VCSError: | ||||
# hadle error | ||||
""" | ||||
splitted = class_path.split('.') | ||||
mod_path = '.'.join(splitted[:-1]) | ||||
class_name = splitted[-1] | ||||
try: | ||||
class_mod = __import__(mod_path, {}, {}, [class_name]) | ||||
except ImportError as err: | ||||
msg = "There was problem while trying to import backend class. "\ | ||||
"Original error was:\n%s" % err | ||||
raise VCSError(msg) | ||||
cls = getattr(class_mod, class_name) | ||||
return cls | ||||