Use install_venv_common.py from oslo.
This syncs install_venv_common.py from oslo and reworks the tools/install_venv.py script to use the new library. Change-Id: I68fe3449ed0fcc7fdfb84af2dcc77a39ebde7f01
This commit is contained in:
Matthew Treinish
parent
f1defe8f62
commit
2ab990ba43
@ -1,7 +1,7 @@
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[DEFAULT]
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# The list of modules to copy from openstack-common
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modules=cfg,importutils,iniparser,jsonutils,setup,timeutils,flakes
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modules=cfg,importutils,iniparser,install_venv_common,jsonutils,setup,timeutils,flakes
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# The base module to hold the copy of openstack.common
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base=keystone
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@ -1,5 +1,6 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 IBM Corp.
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# Copyright 2012 OpenStack LLC
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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@ -23,118 +24,52 @@ virtualenv installation script
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"""
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import os
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import subprocess
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import sys
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ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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VENV = os.path.join(ROOT, '.venv')
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PIP_REQUIRES = os.path.join(ROOT, 'tools', 'pip-requires')
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TEST_REQUIRES = os.path.join(ROOT, 'tools', 'test-requires')
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PY_VERSION = "python%s.%s" % (sys.version_info[0], sys.version_info[1])
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def die(message, *args):
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print >>sys.stderr, message % args
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sys.exit(1)
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def check_python_version():
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if sys.version_info < (2, 6):
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die("Need Python Version >= 2.6")
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def run_command(cmd, redirect_output=True, check_exit_code=True):
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"""
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Runs a command in an out-of-process shell, returning the
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output of that command. Working directory is ROOT.
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"""
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if redirect_output:
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stdout = subprocess.PIPE
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else:
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stdout = None
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proc = subprocess.Popen(cmd, cwd=ROOT, stdout=stdout)
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output = proc.communicate()[0]
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if check_exit_code and proc.returncode != 0:
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die('Command "%s" failed.\n%s', ' '.join(cmd), output)
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return output
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HAS_EASY_INSTALL = bool(run_command(['which', 'easy_install'],
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check_exit_code=False).strip())
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HAS_VIRTUALENV = bool(run_command(['which', 'virtualenv'],
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check_exit_code=False).strip())
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def check_dependencies():
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"""Make sure virtualenv is in the path."""
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print 'Checking for virtualenv...'
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if not HAS_VIRTUALENV:
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print 'not found.'
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# Try installing it via easy_install...
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if HAS_EASY_INSTALL:
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print 'Installing virtualenv via easy_install...',
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if not (run_command(['which', 'easy_install']) and
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run_command(['easy_install', 'virtualenv'])):
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die('ERROR: virtualenv not found.\n\nNova development'
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' requires virtualenv, please install it using your'
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' favorite package management tool')
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print 'done.'
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print 'done.'
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def create_virtualenv(venv=VENV):
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"""Creates the virtual environment and installs PIP only into the
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virtual environment
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"""
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print 'Creating venv...',
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run_command(['virtualenv', '-q', '--no-site-packages', VENV])
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print 'done.'
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print 'Installing pip in virtualenv...',
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if not run_command(['tools/with_venv.sh', 'easy_install', 'pip']).strip():
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die("Failed to install pip.")
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print 'done.'
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def install_dependencies(venv=VENV):
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print 'Installing dependencies with pip (this can take a while)...'
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run_command(['tools/with_venv.sh', 'pip', 'install', '-r',
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PIP_REQUIRES, '-r', TEST_REQUIRES], redirect_output=False)
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def install_self():
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print 'Installing project code into virtualenv so that paths work'
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run_command(['tools/with_venv.sh', 'python', 'setup.py', 'develop'],
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redirect_output=True)
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import install_venv_common as install_venv
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def print_help():
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help = """
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Virtual environment configuration complete.
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Keystone development environment setup is complete.
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To activate the virtualenv for the extent of your current shell
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Keystone development uses virtualenv to track and manage Python
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dependencies while in development and testing.
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To activate the Keystone virtualenv for the extent of your current shell
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session you can run:
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$ source %s/bin/activate
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$ source .venv/bin/activate
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Or, if you prefer, you can run commands in the virtualenv on a case by case
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basis by running:
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$ tools/with_venv.sh <your command>
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""" % VENV
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Also, make test will automatically use the virtualenv.
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"""
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print help
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def main(argv):
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check_python_version()
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check_dependencies()
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create_virtualenv()
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install_dependencies()
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install_self()
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root = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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venv = os.path.join(root, '.venv')
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pip_requires = os.path.join(root, 'tools', 'pip-requires')
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test_requires = os.path.join(root, 'tools', 'test-requires')
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py_version = "python%s.%s" % (sys.version_info[0], sys.version_info[1])
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project = 'Keystone'
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install = install_venv.InstallVenv(root, venv, pip_requires, test_requires,
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py_version, project)
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options = install.parse_args(argv)
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install.check_python_version()
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install.check_dependencies()
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install.create_virtualenv(no_site_packages=options.no_site_packages)
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install.install_dependencies()
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install.run_command([os.path.join(venv, 'bin/python'),
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'setup.py', 'develop'])
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install.post_process()
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print_help()
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if __name__ == '__main__':
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main(sys.argv)
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232
tools/install_venv_common.py
Normal file
232
tools/install_venv_common.py
Normal file
@ -0,0 +1,232 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 OpenStack, LLC
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# Copyright 2013 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Provides methods needed by installation script for OpenStack development
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virtual environments.
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Synced in from openstack-common
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"""
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import os
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import subprocess
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import sys
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possible_topdir = os.getcwd()
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if os.path.exists(os.path.join(possible_topdir, "keystone",
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"__init__.py")):
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sys.path.insert(0, possible_topdir)
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from keystone.openstack.common import cfg
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class InstallVenv(object):
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def __init__(self, root, venv, pip_requires, test_requires, py_version,
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project):
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self.root = root
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self.venv = venv
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self.pip_requires = pip_requires
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self.test_requires = test_requires
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self.py_version = py_version
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self.project = project
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def die(self, message, *args):
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print >> sys.stderr, message % args
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sys.exit(1)
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def check_python_version(self):
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if sys.version_info < (2, 6):
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self.die("Need Python Version >= 2.6")
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def run_command_with_code(self, cmd, redirect_output=True,
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check_exit_code=True):
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"""Runs a command in an out-of-process shell.
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Returns the output of that command. Working directory is ROOT.
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"""
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if redirect_output:
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stdout = subprocess.PIPE
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else:
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stdout = None
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proc = subprocess.Popen(cmd, cwd=self.root, stdout=stdout)
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output = proc.communicate()[0]
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if check_exit_code and proc.returncode != 0:
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self.die('Command "%s" failed.\n%s', ' '.join(cmd), output)
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return (output, proc.returncode)
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def run_command(self, cmd, redirect_output=True, check_exit_code=True):
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return self.run_command_with_code(cmd, redirect_output,
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check_exit_code)[0]
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def get_distro(self):
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if (os.path.exists('/etc/fedora-release') or
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os.path.exists('/etc/redhat-release')):
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return Fedora(self.root, self.venv, self.pip_requires,
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self.test_requires, self.py_version, self.project)
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else:
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return Distro(self.root, self.venv, self.pip_requires,
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self.test_requires, self.py_version, self.project)
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def check_dependencies(self):
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self.get_distro().install_virtualenv()
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def create_virtualenv(self, no_site_packages=True):
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"""Creates the virtual environment and installs PIP.
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Creates the virtual environment and installs PIP only into the
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virtual environment.
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"""
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if not os.path.isdir(self.venv):
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print 'Creating venv...',
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if no_site_packages:
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self.run_command(['virtualenv', '-q', '--no-site-packages',
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self.venv])
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else:
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self.run_command(['virtualenv', '-q', self.venv])
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print 'done.'
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print 'Installing pip in virtualenv...',
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if not self.run_command(['tools/with_venv.sh', 'easy_install',
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'pip>1.0']).strip():
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self.die("Failed to install pip.")
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print 'done.'
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else:
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print "venv already exists..."
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pass
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def pip_install(self, *args):
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self.run_command(['tools/with_venv.sh',
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'pip', 'install', '--upgrade'] + list(args),
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redirect_output=False)
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def install_dependencies(self):
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print 'Installing dependencies with pip (this can take a while)...'
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# First things first, make sure our venv has the latest pip and
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# distribute.
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# NOTE: we keep pip at version 1.1 since the most recent version causes
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# the .venv creation to fail. See:
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# https://bugs.launchpad.net/nova/+bug/1047120
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self.pip_install('pip==1.1')
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self.pip_install('distribute')
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# Install greenlet by hand - just listing it in the requires file does
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# not
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# get it installed in the right order
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self.pip_install('greenlet')
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self.pip_install('-r', self.pip_requires)
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self.pip_install('-r', self.test_requires)
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def post_process(self):
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self.get_distro().post_process()
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def parse_args(self, argv):
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"""Parses command-line arguments."""
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cli_opts = [
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cfg.BoolOpt('no-site-packages',
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default=False,
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short='n',
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help="Do not inherit packages from global Python"
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"install"),
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]
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CLI = cfg.ConfigOpts()
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CLI.register_cli_opts(cli_opts)
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CLI(argv[1:])
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return CLI
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class Distro(InstallVenv):
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def check_cmd(self, cmd):
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return bool(self.run_command(['which', cmd],
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check_exit_code=False).strip())
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def install_virtualenv(self):
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if self.check_cmd('virtualenv'):
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return
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if self.check_cmd('easy_install'):
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print 'Installing virtualenv via easy_install...',
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if self.run_command(['easy_install', 'virtualenv']):
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print 'Succeeded'
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return
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else:
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print 'Failed'
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self.die('ERROR: virtualenv not found.\n\n%s development'
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' requires virtualenv, please install it using your'
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' favorite package management tool' % self.project)
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def post_process(self):
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"""Any distribution-specific post-processing gets done here.
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In particular, this is useful for applying patches to code inside
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the venv.
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"""
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pass
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class Fedora(Distro):
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"""This covers all Fedora-based distributions.
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Includes: Fedora, RHEL, CentOS, Scientific Linux
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"""
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def check_pkg(self, pkg):
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return self.run_command_with_code(['rpm', '-q', pkg],
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check_exit_code=False)[1] == 0
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def yum_install(self, pkg, **kwargs):
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print "Attempting to install '%s' via yum" % pkg
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self.run_command(['sudo', 'yum', 'install', '-y', pkg], **kwargs)
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def apply_patch(self, originalfile, patchfile):
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self.run_command(['patch', originalfile, patchfile])
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def install_virtualenv(self):
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if self.check_cmd('virtualenv'):
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return
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if not self.check_pkg('python-virtualenv'):
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self.yum_install('python-virtualenv', check_exit_code=False)
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super(Fedora, self).install_virtualenv()
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def post_process(self):
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"""Workaround for a bug in eventlet.
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This currently affects RHEL6.1, but the fix can safely be
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applied to all RHEL and Fedora distributions.
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This can be removed when the fix is applied upstream.
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Nova: https://bugs.launchpad.net/nova/+bug/884915
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Upstream: https://bitbucket.org/which_linden/eventlet/issue/89
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"""
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# Install "patch" program if it's not there
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if not self.check_pkg('patch'):
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self.yum_install('patch')
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# Apply the eventlet patch
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self.apply_patch(os.path.join(self.venv, 'lib', self.py_version,
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'site-packages',
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'eventlet/green/subprocess.py'),
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'contrib/redhat-eventlet.patch')
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