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opt / alt / python33 / lib / python3.3 / site-packages / pip / commands /

ðŸ“ ..
ðŸ“„ __init__.py(2.18 KB)
ðŸ“ __pycache__
ðŸ“„ bundle.py(1.75 KB)
ðŸ“„ completion.py(1.79 KB)
ðŸ“„ freeze.py(4.55 KB)
ðŸ“„ help.py(927 B)
ðŸ“„ install.py(13.46 KB)
ðŸ“„ list.py(6.65 KB)
ðŸ“„ search.py(4.63 KB)
ðŸ“„ show.py(2.7 KB)
ðŸ“„ uninstall.py(2.15 KB)
ðŸ“„ unzip.py(185 B)
ðŸ“„ wheel.py(7.53 KB)
ðŸ“„ zip.py(14.47 KB)

Editing: install.py

import os
import sys
import tempfile
import shutil
from pip.req import InstallRequirement, RequirementSet, parse_requirements
from pip.log import logger
from pip.locations import (src_prefix, virtualenv_no_global, distutils_scheme,
                           build_prefix)
from pip.basecommand import Command
from pip.index import PackageFinder
from pip.exceptions import InstallationError, CommandError, PreviousBuildDirError
from pip import cmdoptions
from pip.util import BuildDirectory

class InstallCommand(Command):
    """
    Install packages from:

- PyPI (and other indexes) using requirement specifiers.
    - VCS project urls.
    - Local project directories.
    - Local or remote source archives.

pip also supports installing from "requirements files", which provide
    an easy way to specify a whole environment to be installed.
    """
    name = 'install'

usage = """
      %prog [options] <requirement specifier> ...
      %prog [options] -r <requirements file> ...
      %prog [options] [-e] <vcs project url> ...
      %prog [options] [-e] <local project path> ...
      %prog [options] <archive url/path> ..."""

summary = 'Install packages.'
    bundle = False

def __init__(self, *args, **kw):
        super(InstallCommand, self).__init__(*args, **kw)

cmd_opts = self.cmd_opts

cmd_opts.add_option(
            '-e', '--editable',
            dest='editables',
            action='append',
            default=[],
            metavar='path/url',
            help='Install a project in editable mode (i.e. setuptools "develop mode") from a local project path or a VCS url.')

cmd_opts.add_option(cmdoptions.requirements.make())
        cmd_opts.add_option(cmdoptions.build_dir.make())

cmd_opts.add_option(
            '-t', '--target',
            dest='target_dir',
            metavar='dir',
            default=None,
            help='Install packages into <dir>.')

cmd_opts.add_option(
            '-d', '--download', '--download-dir', '--download-directory',
            dest='download_dir',
            metavar='dir',
            default=None,
            help="Download packages into <dir> instead of installing them, regardless of what's already installed.")

cmd_opts.add_option(cmdoptions.download_cache.make())

cmd_opts.add_option(
            '--src', '--source', '--source-dir', '--source-directory',
            dest='src_dir',
            metavar='dir',
            default=src_prefix,
            help='Directory to check out editable projects into. '
            'The default in a virtualenv is "<venv path>/src". '
            'The default for global installs is "<current dir>/src".')

cmd_opts.add_option(
            '-U', '--upgrade',
            dest='upgrade',
            action='store_true',
            help='Upgrade all packages to the newest available version. '
            'This process is recursive regardless of whether a dependency is already satisfied.')

cmd_opts.add_option(
            '--force-reinstall',
            dest='force_reinstall',
            action='store_true',
            help='When upgrading, reinstall all packages even if they are '
                 'already up-to-date.')

cmd_opts.add_option(
            '-I', '--ignore-installed',
            dest='ignore_installed',
            action='store_true',
            help='Ignore the installed packages (reinstalling instead).')

cmd_opts.add_option(cmdoptions.no_deps.make())

cmd_opts.add_option(
            '--no-install',
            dest='no_install',
            action='store_true',
            help="DEPRECATED. Download and unpack all packages, but don't actually install them.")

cmd_opts.add_option(
            '--no-download',
            dest='no_download',
            action="store_true",
            help="DEPRECATED. Don't download any packages, just install the ones already downloaded "
            "(completes an install run with --no-install).")

cmd_opts.add_option(cmdoptions.install_options.make())
        cmd_opts.add_option(cmdoptions.global_options.make())

cmd_opts.add_option(
            '--user',
            dest='use_user_site',
            action='store_true',
            help='Install using the user scheme.')

cmd_opts.add_option(
            '--egg',
            dest='as_egg',
            action='store_true',
            help="Install packages as eggs, not 'flat', like pip normally does. This option is not about installing *from* eggs. (WARNING: Because this option overrides pip's normal install logic, requirements files may not behave as expected.)")

cmd_opts.add_option(
            '--root',
            dest='root_path',
            metavar='dir',
            default=None,
            help="Install everything relative to this alternate root directory.")

cmd_opts.add_option(
            '--strip-file-prefix',
            dest='strip_file_prefix',
            metavar='prefix',
            default=None,
            help="Strip given prefix from script paths in wheel RECORD."
        )

cmd_opts.add_option(
            "--compile",
            action="store_true",
            dest="compile",
            default=True,
            help="Compile py files to pyc",
        )

cmd_opts.add_option(
            "--no-compile",
            action="store_false",
            dest="compile",
            help="Do not compile py files to pyc",
        )

cmd_opts.add_option(cmdoptions.use_wheel.make())
        cmd_opts.add_option(cmdoptions.no_use_wheel.make())

cmd_opts.add_option(
            '--pre',
            action='store_true',
            default=False,
            help="Include pre-release and development versions. By default, pip only finds stable versions.")

cmd_opts.add_option(cmdoptions.no_clean.make())

index_opts = cmdoptions.make_option_group(cmdoptions.index_group, self.parser)

self.parser.insert_option_group(0, index_opts)
        self.parser.insert_option_group(0, cmd_opts)

def _build_package_finder(self, options, index_urls, session):
        """
        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_wheel=options.use_wheel,
                             allow_external=options.allow_external,
                             allow_unverified=options.allow_unverified,
                             allow_all_external=options.allow_all_external,
                             allow_all_prereleases=options.pre,
                             process_dependency_links=
                                options.process_dependency_links,
                             session=session,
                            )

def run(self, options, args):

if (
            options.no_install or
            options.no_download or
            options.build_dir or
            options.no_clean
        ):
            logger.deprecated('1.7', 'DEPRECATION: --no-install, --no-download, --build, '
                              'and --no-clean are deprecated.  See https://github.com/pypa/pip/issues/906.')

if options.download_dir:
            options.no_install = True
            options.ignore_installed = True

# If we have --no-install or --no-download and no --build we use the
        # legacy static build dir
        if (options.build_dir is None
                and (options.no_install or options.no_download)):
            options.build_dir = build_prefix

if options.build_dir:
            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:
            if virtualenv_no_global():
                raise InstallationError("Can not perform a '--user' install. User site-packages are not visible in this virtualenv.")
            install_options.append('--user')

temp_target_dir = None
        if options.target_dir:
            options.ignore_installed = True
            temp_target_dir = tempfile.mkdtemp()
            options.target_dir = os.path.abspath(options.target_dir)
            if os.path.exists(options.target_dir) and not os.path.isdir(options.target_dir):
                raise CommandError("Target path exists but is not a directory, will not continue.")
            install_options.append('--home=' + temp_target_dir)

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 = []

if options.use_mirrors:
            logger.deprecated("1.7",
                        "--use-mirrors has been deprecated and will be removed"
                        " in the future. Explicit uses of --index-url and/or "
                        "--extra-index-url is suggested.")

if options.mirrors:
            logger.deprecated("1.7",
                        "--mirrors has been deprecated and will be removed in "
                        " the future. Explicit uses of --index-url and/or "
                        "--extra-index-url is suggested.")
            index_urls += options.mirrors

session = self._build_session(options)

finder = self._build_package_finder(options, index_urls, session)

build_delete = (not (options.no_clean or options.build_dir))
        with BuildDirectory(options.build_dir, delete=build_delete) as build_dir:
            requirement_set = RequirementSet(
                build_dir=build_dir,
                src_dir=options.src_dir,
                download_dir=options.download_dir,
                download_cache=options.download_cache,
                upgrade=options.upgrade,
                as_egg=options.as_egg,
                ignore_installed=options.ignore_installed,
                ignore_dependencies=options.ignore_dependencies,
                force_reinstall=options.force_reinstall,
                use_user_site=options.use_user_site,
                target_dir=temp_target_dir,
                session=session,
                pycompile=options.compile,
            )
            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, session=session):
                    requirement_set.add_requirement(req)
            if not requirement_set.has_requirements:
                opts = {'name': self.name}
                if options.find_links:
                    msg = ('You must give at least one requirement to %(name)s '
                           '(maybe you meant "pip %(name)s %(links)s"?)' %
                           dict(opts, links=' '.join(options.find_links)))
                else:
                    msg = ('You must give at least one requirement '
                           'to %(name)s (see "pip help %(name)s")' % opts)
                logger.warn(msg)
                return

try:
                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,
                        root=options.root_path,
                        strip_file_prefix=options.strip_file_prefix)
                    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)
            except PreviousBuildDirError:
                options.no_clean = True
                raise
            finally:
                # Clean up
                if (not options.no_clean) and ((not options.no_install) or options.download_dir):
                    requirement_set.cleanup_files(bundle=self.bundle)

if options.target_dir:
            if not os.path.exists(options.target_dir):
                os.makedirs(options.target_dir)
            lib_dir = distutils_scheme('', home=temp_target_dir)['purelib']
            for item in os.listdir(lib_dir):
                shutil.move(
                    os.path.join(lib_dir, item),
                    os.path.join(options.target_dir, item)
                    )
            shutil.rmtree(temp_target_dir)
        return requirement_set

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