56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
# Copyright 2011, VMware, Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
#
|
|
# Borrowed from the Neutron code base, more utilities will be added/borrowed as
|
|
# and when needed.
|
|
|
|
import importlib
|
|
import os
|
|
import re
|
|
import sys
|
|
|
|
import neutron_classifier
|
|
|
|
_SEPARATOR_REGEX = re.compile(r'[/\\]+')
|
|
|
|
|
|
def import_modules_recursively(topdir):
|
|
'''Import and return all modules below the topdir directory.'''
|
|
topdir = _SEPARATOR_REGEX.sub('/', topdir)
|
|
modules = []
|
|
for root, dirs, files in os.walk(topdir):
|
|
for file_ in files:
|
|
if file_[-3:] != '.py':
|
|
continue
|
|
|
|
module = file_[:-3]
|
|
if module == '__init__':
|
|
continue
|
|
|
|
import_base = _SEPARATOR_REGEX.sub('.', root)
|
|
|
|
# NOTE(ihrachys): in Python3, or when we are not located in the
|
|
# directory containing neutron code, __file__ is absolute, so we
|
|
# should truncate it to exclude PYTHONPATH prefix
|
|
|
|
prefixlen = len(os.path.dirname(neutron_classifier.__file__))
|
|
import_base = 'neutron_classifier' + import_base[prefixlen:]
|
|
|
|
module = '.'.join([import_base, module])
|
|
if module not in sys.modules:
|
|
importlib.import_module(module)
|
|
modules.append(module)
|
|
return modules
|