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# Copyright (c) 2018 Intel Corporation
#
# 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 logging
import re
import pip
from pip import exceptions as pip_exceptions
from pip.operations import freeze
from yardstick.common import privsep
LOG = logging.getLogger(__name__)
ACTION_INSTALL = 'install'
ACTION_UNINSTALL = 'uninstall'
@privsep.yardstick_root.entrypoint
def _pip_main(package, action, target=None):
if action == ACTION_UNINSTALL:
cmd = [action, package, '-y']
elif action == ACTION_INSTALL:
cmd = [action, package, '--upgrade']
if target:
cmd.append('--target=%s' % target)
return pip.main(cmd)
def _pip_execute_action(package, action=ACTION_INSTALL, target=None):
"""Execute an action with a PIP package.
According to [1], a package could be a URL, a local directory, a local dist
file or a requirements file.
[1] https://pip.pypa.io/en/stable/reference/pip_install/#argument-handling
"""
try:
status = _pip_main(package, action, target)
except pip_exceptions.PipError:
status = 1
if not status:
LOG.info('Action "%s" executed, package %s', package, action)
else:
LOG.info('Error executing action "%s", package %s', package, action)
return status
def pip_remove(package):
"""Remove an installed PIP package"""
return _pip_execute_action(package, action=ACTION_UNINSTALL)
def pip_install(package, target=None):
"""Install a PIP package"""
return _pip_execute_action(package, action=ACTION_INSTALL, target=target)
def pip_list(pkg_name=None):
"""Dict of installed PIP packages with version.
If 'pkg_name' is not None, will return only those packages matching the
name."""
pip_regex = re.compile(r"(?P<name>.*)==(?P<version>[\w\.]+)")
git_regex = re.compile(r".*@(?P<version>[\w]+)#egg=(?P<name>[\w]+)")
pkg_dict = {}
for _pkg in freeze.freeze(local_only=True):
match = pip_regex.match(_pkg) or git_regex.match(_pkg)
if match and (not pkg_name or (
pkg_name and match.group('name').find(pkg_name) != -1)):
pkg_dict[match.group('name')] = match.group('version')
return pkg_dict
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