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import os, sys
from pip.req import InstallRequirement, RequirementSet
from pip.req import parse_requirements
from pip.log import logger
from pip.locations import build_prefix, src_prefix
from pip.basecommand import Command
from pip.index import PackageFinder
from pip.exceptions import InstallationError
class InstallCommand(Command):
name = 'install'
usage = '%prog [OPTIONS] PACKAGE_NAMES...'
summary = 'Install packages'
bundle = False
def __init__(self):
super(InstallCommand, self).__init__()
self.parser.add_option(
'-e', '--editable',
dest='editables',
action='append',
default=[],
metavar='VCS+REPOS_URL[@REV]#egg=PACKAGE',
help='Install a package directly from a checkout. Source will be checked '
'out into src/PACKAGE (lower-case) and installed in-place (using '
'setup.py develop). You can run this on an existing directory/checkout (like '
'pip install -e src/mycheckout). This option may be provided multiple times. '
'Possible values for VCS are: svn, git, hg and bzr.')
self.parser.add_option(
'-r', '--requirement',
dest='requirements',
action='append',
default=[],
metavar='FILENAME',
help='Install all the packages listed in the given requirements file. '
'This option can be used multiple times.')
self.parser.add_option(
'-f', '--find-links',
dest='find_links',
action='append',
default=[],
metavar='URL',
help='URL to look for packages at')
self.parser.add_option(
'-i', '--index-url', '--pypi-url',
dest='index_url',
metavar='URL',
default='http://pypi.python.org/simple/',
help='Base URL of Python Package Index (default %default)')
self.parser.add_option(
'--extra-index-url',
dest='extra_index_urls',
metavar='URL',
action='append',
default=[],
help='Extra URLs of package indexes to use in addition to --index-url')
self.parser.add_option(
'--no-index',
dest='no_index',
action='store_true',
default=False,
help='Ignore package index (only looking at --find-links URLs instead)')
self.parser.add_option(
'-M', '--use-mirrors',
dest='use_mirrors',
action='store_true',
default=False,
help='Use the PyPI mirrors as a fallback in case the main index is down.')
self.parser.add_option(
'--mirrors',
dest='mirrors',
metavar='URL',
action='append',
default=[],
help='Specific mirror URLs to query when --use-mirrors is used')
self.parser.add_option(
'-b', '--build', '--build-dir', '--build-directory',
dest='build_dir',
metavar='DIR',
default=None,
help='Unpack packages into DIR (default %s) and build from there' % build_prefix)
self.parser.add_option(
'-d', '--download', '--download-dir', '--download-directory',
dest='download_dir',
metavar='DIR',
default=None,
help='Download packages into DIR instead of installing them')
self.parser.add_option(
'--download-cache',
dest='download_cache',
metavar='DIR',
default=None,
help='Cache downloaded packages in DIR')
self.parser.add_option(
'--src', '--source', '--source-dir', '--source-directory',
dest='src_dir',
metavar='DIR',
default=None,
help='Check out --editable packages into DIR (default %s)' % src_prefix)
self.parser.add_option(
'-U', '--upgrade',
dest='upgrade',
action='store_true',
help='Upgrade all packages to the newest available version')
self.parser.add_option(
'-I', '--ignore-installed',
dest='ignore_installed',
action='store_true',
help='Ignore the installed packages (reinstalling instead)')
self.parser.add_option(
'--no-deps', '--no-dependencies',
dest='ignore_dependencies',
action='store_true',
default=False,
help='Ignore package dependencies')
self.parser.add_option(
'--no-install',
dest='no_install',
action='store_true',
help="Download and unpack all packages, but don't actually install them")
self.parser.add_option(
'--no-download',
dest='no_download',
action="store_true",
help="Don't download any packages, just install the ones already downloaded "
"(completes an install run with --no-install)")
self.parser.add_option(
'--install-option',
dest='install_options',
action='append',
help="Extra arguments to be supplied to the setup.py install "
"command (use like --install-option=\"--install-scripts=/usr/local/bin\"). "
"Use multiple --install-option options to pass multiple options to setup.py install. "
"If you are using an option with a directory path, be sure to use absolute path.")
self.parser.add_option(
'--global-option',
dest='global_options',
action='append',
help="Extra global options to be supplied to the setup.py"
"call before the install command")
self.parser.add_option(
'--user',
dest='use_user_site',
action='store_true',
help='Install to user-site')
def _build_package_finder(self, options, index_urls):
"""
Create a package finder appropriate to this install command.
This method is meant to be overridden by subclasses, not
called directly.
"""
return PackageFinder(find_links=options.find_links,
index_urls=index_urls,
use_mirrors=options.use_mirrors,
mirrors=options.mirrors)
def run(self, options, args):
if not options.build_dir:
options.build_dir = build_prefix
if not options.src_dir:
options.src_dir = src_prefix
if options.download_dir:
options.no_install = True
options.ignore_installed = True
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
if options.use_user_site:
install_options.append('--user')
global_options = options.global_options or []
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
logger.notify('Ignoring indexes: %s' % ','.join(index_urls))
index_urls = []
finder = self._build_package_finder(options, index_urls)
requirement_set = RequirementSet(
build_dir=options.build_dir,
src_dir=options.src_dir,
download_dir=options.download_dir,
download_cache=options.download_cache,
upgrade=options.upgrade,
ignore_installed=options.ignore_installed,
ignore_dependencies=options.ignore_dependencies)
for name in args:
requirement_set.add_requirement(
InstallRequirement.from_line(name, None))
for name in options.editables:
requirement_set.add_requirement(
InstallRequirement.from_editable(name, default_vcs=options.default_vcs))
for filename in options.requirements:
for req in parse_requirements(filename, finder=finder, options=options):
requirement_set.add_requirement(req)
if not requirement_set.has_requirements:
if options.find_links:
raise InstallationError('You must give at least one '
'requirement to %s (maybe you meant "pip install %s"?)'
% (self.name, " ".join(options.find_links)))
raise InstallationError('You must give at least one requirement '
'to %(name)s (see "pip help %(name)s")' % dict(name=self.name))
if (options.use_user_site and
sys.version_info < (2, 6)):
raise InstallationError('--user is only supported in Python version 2.6 and newer')
import setuptools
if (options.use_user_site and
requirement_set.has_editables and
not getattr(setuptools, '_distribute', False)):
raise InstallationError('--user --editable not supported with setuptools, use distribute')
if not options.no_download:
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
else:
requirement_set.locate_files()
if not options.no_install and not self.bundle:
requirement_set.install(install_options, global_options)
installed = ' '.join([req.name for req in
requirement_set.successfully_installed])
if installed:
logger.notify('Successfully installed %s' % installed)
elif not self.bundle:
downloaded = ' '.join([req.name for req in
requirement_set.successfully_downloaded])
if downloaded:
logger.notify('Successfully downloaded %s' % downloaded)
elif self.bundle:
requirement_set.create_bundle(self.bundle_filename)
logger.notify('Created bundle in %s' % self.bundle_filename)
# Clean up
if not options.no_install:
requirement_set.cleanup_files(bundle=self.bundle)
return requirement_set
InstallCommand()
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