a3afbf0877
Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
140 lines
4.3 KiB
Python
140 lines
4.3 KiB
Python
# Copyright (C) 2011 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import inspect
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import logging
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import os
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import sys
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import re
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LOG = logging.getLogger('ryu.utils')
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def chop_py_suffix(p):
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for suf in ['.py', '.pyc', '.pyo']:
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if p.endswith(suf):
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return p[:-len(suf)]
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return p
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def _likely_same(a, b):
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try:
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if os.path.samefile(a, b):
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return True
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except OSError:
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# m.__file__ is not always accessible. eg. egg
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return False
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if chop_py_suffix(a) == chop_py_suffix(b):
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return True
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return False
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def _find_loaded_module(modpath):
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# copy() to avoid RuntimeError: dictionary changed size during iteration
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for k, m in sys.modules.copy().iteritems():
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if k == '__main__':
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continue
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if not hasattr(m, '__file__'):
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continue
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if _likely_same(m.__file__, modpath):
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return m
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return None
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def import_module(modname):
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try:
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__import__(modname)
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except:
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abspath = os.path.abspath(modname)
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mod = _find_loaded_module(abspath)
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if mod:
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return mod
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opath = sys.path
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sys.path.append(os.path.dirname(abspath))
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name = os.path.basename(modname)
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if name.endswith('.py'):
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name = name[:-3]
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__import__(name)
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sys.path = opath
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return sys.modules[name]
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return sys.modules[modname]
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def round_up(x, y):
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return ((x + y - 1) / y) * y
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def hex_array(data):
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"""Convert string into array of hexes to be printed."""
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return ' '.join(hex(ord(char)) for char in data)
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def bytearray_to_hex(data):
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"""Convert bytearray into array of hexes to be printed."""
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return ' '.join(hex(ord(byte)) for byte in data)
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# the following functions are taken from OpenStack
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#
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# Get requirements from the first file that exists
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def get_reqs_from_files(requirements_files):
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for requirements_file in requirements_files:
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if os.path.exists(requirements_file):
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with open(requirements_file, 'r') as fil:
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return fil.read().split('\n')
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return []
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def parse_requirements(requirements_files=['requirements.txt',
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'tools/pip-requires']):
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requirements = []
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for line in get_reqs_from_files(requirements_files):
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# For the requirements list, we need to inject only the portion
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# after egg= so that distutils knows the package it's looking for
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# such as:
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# -e git://github.com/openstack/nova/master#egg=nova
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if re.match(r'\s*-e\s+', line):
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requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
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line))
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# such as:
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# http://github.com/openstack/nova/zipball/master#egg=nova
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elif re.match(r'\s*https?:', line):
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requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1',
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line))
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# -f lines are for index locations, and don't get used here
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elif re.match(r'\s*-f\s+', line):
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pass
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else:
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requirements.append(line)
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return requirements
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