910563941d
OF protocols need this in many places. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Reviewed-by: Simon Horman <horms@verge.net.au>
68 lines
2.0 KiB
Python
68 lines
2.0 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
|
|
|
|
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
|