anvil/devstack/pip.py
2012-03-30 12:56:55 -07:00

61 lines
2.2 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2012 Yahoo! 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.
from devstack import exceptions as excp
from devstack import log as logging
from devstack import shell as sh
LOG = logging.getLogger("devstack.pip")
PIP_UNINSTALL_CMD_OPTS = ['-y', '-q']
PIP_INSTALL_CMD_OPTS = ['-q']
def _make_pip_name(name, version):
if version is None:
return str(name)
return "%s==%s" % (name, version)
def install(pip, distro):
name = pip['name']
root_cmd = distro.get_command_config('pip')
LOG.audit("Installing python package %r using pip command %s" % (name, root_cmd))
name_full = _make_pip_name(name, pip.get('version'))
real_cmd = [root_cmd, 'install'] + PIP_INSTALL_CMD_OPTS
options = pip.get('options')
if options:
LOG.debug("Using pip options: %s" % (options))
real_cmd += [str(options)]
real_cmd += [name_full]
sh.execute(*real_cmd, run_as_root=True)
def uninstall(pip, distro, skip_errors=True):
root_cmd = distro.get_command('pip')
try:
# Versions don't seem to matter here...
name = _make_pip_name(pip['name'], None)
LOG.audit("Uninstalling python package %r using pip command %s" % (name, root_cmd))
cmd = [root_cmd, 'uninstall'] + PIP_UNINSTALL_CMD_OPTS + [name]
sh.execute(*cmd, run_as_root=True)
except excp.ProcessExecutionError:
if skip_errors:
LOG.debug(("Ignoring execution error that occured when uninstalling pip %r!"
" (this may be ok if it was uninstalled by a previous component)") % (name))
else:
raise