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Diffstat (limited to 'tools/install_venv_common.py')
| -rw-r--r-- | tools/install_venv_common.py | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/tools/install_venv_common.py b/tools/install_venv_common.py deleted file mode 100644 index e279159..0000000 --- a/tools/install_venv_common.py +++ /dev/null @@ -1,172 +0,0 @@ -# Copyright 2013 OpenStack Foundation -# Copyright 2013 IBM Corp. -# -# 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. - -"""Provides methods needed by installation script for OpenStack development -virtual environments. - -Since this script is used to bootstrap a virtualenv from the system's Python -environment, it should be kept strictly compatible with Python 2.6. - -Synced in from openstack-common -""" - -from __future__ import print_function - -import optparse -import os -import subprocess -import sys - - -class InstallVenv(object): - - def __init__(self, root, venv, requirements, - test_requirements, py_version, - project): - self.root = root - self.venv = venv - self.requirements = requirements - self.test_requirements = test_requirements - self.py_version = py_version - self.project = project - - def die(self, message, *args): - print(message % args, file=sys.stderr) - sys.exit(1) - - def check_python_version(self): - if sys.version_info < (2, 6): - self.die("Need Python Version >= 2.6") - - def run_command_with_code(self, cmd, redirect_output=True, - check_exit_code=True): - """Runs a command in an out-of-process shell. - - Returns the output of that command. Working directory is self.root. - """ - if redirect_output: - stdout = subprocess.PIPE - else: - stdout = None - - proc = subprocess.Popen(cmd, cwd=self.root, stdout=stdout) - output = proc.communicate()[0] - if check_exit_code and proc.returncode != 0: - self.die('Command "%s" failed.\n%s', ' '.join(cmd), output) - return (output, proc.returncode) - - def run_command(self, cmd, redirect_output=True, check_exit_code=True): - return self.run_command_with_code(cmd, redirect_output, - check_exit_code)[0] - - def get_distro(self): - if (os.path.exists('/etc/fedora-release') or - os.path.exists('/etc/redhat-release')): - return Fedora( - self.root, self.venv, self.requirements, - self.test_requirements, self.py_version, self.project) - else: - return Distro( - self.root, self.venv, self.requirements, - self.test_requirements, self.py_version, self.project) - - def check_dependencies(self): - self.get_distro().install_virtualenv() - - def create_virtualenv(self, no_site_packages=True): - """Creates the virtual environment and installs PIP. - - Creates the virtual environment and installs PIP only into the - virtual environment. - """ - if not os.path.isdir(self.venv): - print('Creating venv...', end=' ') - if no_site_packages: - self.run_command(['virtualenv', '-q', '--no-site-packages', - self.venv]) - else: - self.run_command(['virtualenv', '-q', self.venv]) - print('done.') - else: - print("venv already exists...") - pass - - def pip_install(self, *args): - self.run_command(['tools/with_venv.sh', - 'pip', 'install', '--upgrade'] + list(args), - redirect_output=False) - - def install_dependencies(self): - print('Installing dependencies with pip (this can take a while)...') - - # First things first, make sure our venv has the latest pip and - # setuptools and pbr - self.pip_install('pip>=1.4') - self.pip_install('setuptools') - self.pip_install('pbr') - - self.pip_install('-r', self.requirements, '-r', self.test_requirements) - - def parse_args(self, argv): - """Parses command-line arguments.""" - parser = optparse.OptionParser() - parser.add_option('-n', '--no-site-packages', - action='store_true', - help="Do not inherit packages from global Python " - "install.") - return parser.parse_args(argv[1:])[0] - - -class Distro(InstallVenv): - - def check_cmd(self, cmd): - return bool(self.run_command(['which', cmd], - check_exit_code=False).strip()) - - def install_virtualenv(self): - if self.check_cmd('virtualenv'): - return - - if self.check_cmd('easy_install'): - print('Installing virtualenv via easy_install...', end=' ') - if self.run_command(['easy_install', 'virtualenv']): - print('Succeeded') - return - else: - print('Failed') - - self.die('ERROR: virtualenv not found.\n\n%s development' - ' requires virtualenv, please install it using your' - ' favorite package management tool' % self.project) - - -class Fedora(Distro): - """This covers all Fedora-based distributions. - - Includes: Fedora, RHEL, CentOS, Scientific Linux - """ - - def check_pkg(self, pkg): - return self.run_command_with_code(['rpm', '-q', pkg], - check_exit_code=False)[1] == 0 - - def install_virtualenv(self): - if self.check_cmd('virtualenv'): - return - - if not self.check_pkg('python-virtualenv'): - self.die("Please install 'python-virtualenv'.") - - super(Fedora, self).install_virtualenv() |