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Diffstat (limited to 'setup/install_venv.py')
| -rw-r--r-- | setup/install_venv.py | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/setup/install_venv.py b/setup/install_venv.py deleted file mode 100644 index 15385beb..00000000 --- a/setup/install_venv.py +++ /dev/null @@ -1,240 +0,0 @@ -# vim: tabstop=4 shiftwidth=4 softtabstop=4 - -# Copyright 2010 United States Government as represented by the -# Administrator of the National Aeronautics and Space Administration. -# All Rights Reserved. -# -# Copyright 2010 OpenStack, LLC -# -# 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. - -""" -Installation script for Nova's development virtualenv -""" - -import optparse -import os -import subprocess -import sys - -ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__file__))) -VENV = os.path.join(ROOT, '.venv') -PIP_REQUIRES = os.path.join(ROOT, 'setup', 'requirements.pip') -TEST_REQUIRES = os.path.join(ROOT, 'setup', 'test-requirements.pip') -PY_VERSION = "python%s.%s" % (sys.version_info[0], sys.version_info[1]) - - -def die(message, *args): - print >> sys.stderr, message % args - sys.exit(1) - - -def check_python_version(): - if sys.version_info < (2, 6): - die("Need Python Version >= 2.6") - - -def run_command_with_code(cmd, redirect_output=True, check_exit_code=True): - """ - Runs a command in an out-of-process shell, returning the - output of that command. Working directory is ROOT. - """ - if redirect_output: - stdout = subprocess.PIPE - else: - stdout = None - - print 'executing command: %s', cmd - proc = subprocess.Popen(cmd, cwd=ROOT, stdout=stdout) - output = proc.communicate()[0] - if check_exit_code and proc.returncode != 0: - die('Command "%s" failed.\n%s', ' '.join(cmd), output) - return (output, proc.returncode) - - -def run_command(cmd, redirect_output=True, check_exit_code=True): - return run_command_with_code(cmd, redirect_output, check_exit_code)[0] - - -class Distro(object): - - def check_cmd(self, cmd): - return bool(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...', - if run_command(['easy_install', 'virtualenv']): - print 'Succeeded' - return - else: - print 'Failed' - - die('ERROR: virtualenv not found.\n\nDevelopment' - ' requires virtualenv, please install it using your' - ' favorite package management tool') - - def post_process(self): - """Any distribution-specific post-processing gets done here. - - In particular, this is useful for applying patches to code inside - the venv.""" - pass - - -class Debian(Distro): - """This covers all Debian-based distributions.""" - - def check_pkg(self, pkg): - return run_command_with_code(['dpkg', '-l', pkg], - check_exit_code=False)[1] == 0 - - def apt_install(self, pkg, **kwargs): - run_command(['sudo', 'apt-get', 'install', '-y', pkg], **kwargs) - - def apply_patch(self, originalfile, patchfile): - run_command(['patch', originalfile, patchfile]) - - def install_virtualenv(self): - if self.check_cmd('virtualenv'): - return - - if not self.check_pkg('python-virtualenv'): - self.apt_install('python-virtualenv', check_exit_code=False) - - super(Debian, self).install_virtualenv() - - -class Fedora(Distro): - """This covers all Fedora-based distributions. - - Includes: Fedora, RHEL, CentOS, Scientific Linux""" - - def check_pkg(self, pkg): - return run_command_with_code(['rpm', '-q', pkg], - check_exit_code=False)[1] == 0 - - def yum_install(self, pkg, **kwargs): - run_command(['sudo', 'yum', 'install', '-y', pkg], **kwargs) - - def apply_patch(self, originalfile, patchfile): - run_command(['patch', originalfile, patchfile]) - - def install_virtualenv(self): - if self.check_cmd('virtualenv'): - return - - if not self.check_pkg('python-virtualenv'): - self.yum_install('python-virtualenv', check_exit_code=False) - - super(Fedora, self).install_virtualenv() - - -def get_distro(): - if os.path.exists('/etc/fedora-release') or \ - os.path.exists('/etc/redhat-release'): - return Fedora() - elif os.path.exists('/etc/debian_version'): - return Debian() - else: - return Distro() - - -def check_dependencies(): - get_distro().install_virtualenv() - - -def create_virtualenv(venv=VENV, no_site_packages=True): - """Creates the virtual environment and installs PIP only into the - virtual environment - """ - print 'Creating venv...', - if no_site_packages: - run_command(['virtualenv', '-q', '--no-site-packages', VENV]) - else: - run_command(['virtualenv', '-q', VENV]) - print 'done.' - print 'Installing pip in virtualenv...', - if not run_command(['setup/tools/with_venv.sh', 'easy_install', - 'pip>1.0']).strip(): - die("Failed to install pip.") - print 'done.' - - -def pip_install(*args): - run_command(['setup/tools/with_venv.sh', - 'pip', 'install', '--upgrade'] + list(args), - redirect_output=False) - - -def install_dependencies(venv=VENV): - print 'Installing dependencies with pip (this can take a while)...' - - # First things first, make sure our venv has the latest pip and distribute. - pip_install('pip') - pip_install('distribute') - - pip_install('-r', PIP_REQUIRES) - pip_install('-r', TEST_REQUIRES) - - # " - pthfile = os.path.join(venv, "lib", PY_VERSION, "site-packages", - "leap-client.pth") - f = open(pthfile, 'w') - f.write("%s\n" % ROOT) - - -def post_process(): - get_distro().post_process() - - -def print_help(): - help = """ - To activate the leap virtualenv for the extent of your current - shell session you can run: - - $ source .venv/bin/activate - - Or, if you prefer, you can run commands in the virtualenv on a case by case - basis by running: - - $ setup/tools/with_venv.sh <your command> - - Also, make test will automatically use the virtualenv. - """ - print help - - -def parse_args(): - """Parse command-line arguments""" - parser = optparse.OptionParser() - parser.add_option("-n", "--no-site-packages", dest="no_site_packages", - default=False, action="store_true", - help="Do not inherit packages from global Python install") - return parser.parse_args() - - -def main(argv): - (options, args) = parse_args() - check_python_version() - check_dependencies() - create_virtualenv(no_site_packages=options.no_site_packages) - install_dependencies() - post_process() - print_help() - -if __name__ == '__main__': - main(sys.argv) |