diff options
Diffstat (limited to 'charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py')
-rw-r--r-- | charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py deleted file mode 100644 index e29bd1b..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py +++ /dev/null @@ -1,147 +0,0 @@ -#!/usr/bin/env python -# coding: utf-8 - -# Copyright 2014-2015 Canonical Limited. -# -# 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 os -import subprocess -import sys - -from charmhelpers.fetch import apt_install, apt_update -from charmhelpers.core.hookenv import charm_dir, log - -__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>" - - -def pip_execute(*args, **kwargs): - """Overriden pip_execute() to stop sys.path being changed. - - The act of importing main from the pip module seems to cause add wheels - from the /usr/share/python-wheels which are installed by various tools. - This function ensures that sys.path remains the same after the call is - executed. - """ - try: - _path = sys.path - try: - from pip import main as _pip_execute - except ImportError: - apt_update() - apt_install('python-pip') - from pip import main as _pip_execute - _pip_execute(*args, **kwargs) - finally: - sys.path = _path - - -def parse_options(given, available): - """Given a set of options, check if available""" - for key, value in sorted(given.items()): - if not value: - continue - if key in available: - yield "--{0}={1}".format(key, value) - - -def pip_install_requirements(requirements, constraints=None, **options): - """Install a requirements file. - - :param constraints: Path to pip constraints file. - http://pip.readthedocs.org/en/stable/user_guide/#constraints-files - """ - command = ["install"] - - available_options = ('proxy', 'src', 'log', ) - for option in parse_options(options, available_options): - command.append(option) - - command.append("-r {0}".format(requirements)) - if constraints: - command.append("-c {0}".format(constraints)) - log("Installing from file: {} with constraints {} " - "and options: {}".format(requirements, constraints, command)) - else: - log("Installing from file: {} with options: {}".format(requirements, - command)) - pip_execute(command) - - -def pip_install(package, fatal=False, upgrade=False, venv=None, - constraints=None, **options): - """Install a python package""" - if venv: - venv_python = os.path.join(venv, 'bin/pip') - command = [venv_python, "install"] - else: - command = ["install"] - - available_options = ('proxy', 'src', 'log', 'index-url', ) - for option in parse_options(options, available_options): - command.append(option) - - if upgrade: - command.append('--upgrade') - - if constraints: - command.extend(['-c', constraints]) - - if isinstance(package, list): - command.extend(package) - else: - command.append(package) - - log("Installing {} package with options: {}".format(package, - command)) - if venv: - subprocess.check_call(command) - else: - pip_execute(command) - - -def pip_uninstall(package, **options): - """Uninstall a python package""" - command = ["uninstall", "-q", "-y"] - - available_options = ('proxy', 'log', ) - for option in parse_options(options, available_options): - command.append(option) - - if isinstance(package, list): - command.extend(package) - else: - command.append(package) - - log("Uninstalling {} package with options: {}".format(package, - command)) - pip_execute(command) - - -def pip_list(): - """Returns the list of current python installed packages - """ - return pip_execute(["list"]) - - -def pip_create_virtualenv(path=None): - """Create an isolated Python environment.""" - apt_install('python-virtualenv') - - if path: - venv_path = path - else: - venv_path = os.path.join(charm_dir(), 'venv') - - if not os.path.exists(venv_path): - subprocess.check_call(['virtualenv', venv_path]) |