deb-ryu/ryu/utils.py
FUJITA Tomonori f2c6dfe106 set setup.py install_requires properly
Let's enable pip to solve the dependency.

The code is taken from OpenStack.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
2012-11-30 15:54:12 +09:00

113 lines
3.6 KiB
Python

# Copyright (C) 2011 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
#
# 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.
import inspect
import logging
import os
import sys
import re
LOG = logging.getLogger('ryu.utils')
def import_module(modname):
try:
__import__(modname)
except:
sys.path.append(os.path.dirname(os.path.abspath(modname)))
name = os.path.basename(modname)
if name.endswith('.py'):
name = name[:-3]
__import__(name)
return sys.modules[name]
return sys.modules[modname]
RYU_DEFAULT_FLAG_FILE = ('ryu.conf', 'etc/ryu/ryu.conf' '/etc/ryu/ryu.conf')
def find_flagfile(default_path=RYU_DEFAULT_FLAG_FILE):
if '--flagfile' in sys.argv:
return
script_dir = os.path.dirname(inspect.stack()[-1][1])
for filename in default_path:
if not os.path.isabs(filename):
if os.path.exists(filename):
# try relative to current path
filename = os.path.abspath(filename)
elif os.path.exists(os.path.join(script_dir, filename)):
# try relative to script dir
filename = os.path.join(script_dir, filename)
if not os.path.exists(filename):
continue
flagfile = '--flagfile=%s' % filename
sys.argv.insert(1, flagfile)
LOG.debug('flagfile = %s', filename)
return
def round_up(x, y):
return ((x + y - 1) / y) * y
def hex_array(data):
return ' '.join(hex(ord(chr)) for chr in data)
# the following functions are taken from OpenStack
#
# Get requirements from the first file that exists
def get_reqs_from_files(requirements_files):
for requirements_file in requirements_files:
if os.path.exists(requirements_file):
with open(requirements_file, 'r') as fil:
return fil.read().split('\n')
return []
def parse_requirements(requirements_files=['requirements.txt',
'tools/pip-requires']):
requirements = []
for line in get_reqs_from_files(requirements_files):
# For the requirements list, we need to inject only the portion
# after egg= so that distutils knows the package it's looking for
# such as:
# -e git://github.com/openstack/nova/master#egg=nova
if re.match(r'\s*-e\s+', line):
requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
line))
# such as:
# http://github.com/openstack/nova/zipball/master#egg=nova
elif re.match(r'\s*https?:', line):
requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1',
line))
# -f lines are for index locations, and don't get used here
elif re.match(r'\s*-f\s+', line):
pass
# argparse is part of the standard library starting with 2.7
# adding it to the requirements list screws distro installs
elif line == 'argparse' and sys.version_info >= (2, 7):
pass
else:
requirements.append(line)
return requirements