mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-29 06:32:40 -06:00
425 lines
16 KiB
Python
425 lines
16 KiB
Python
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from __future__ import absolute_import
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import logging
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import operator
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import os
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import tempfile
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import shutil
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import warnings
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from pip.req import InstallRequirement, RequirementSet, parse_requirements
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from pip.locations import build_prefix, virtualenv_no_global, distutils_scheme
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from pip.basecommand import Command
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from pip.index import PackageFinder
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from pip.exceptions import (
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InstallationError, CommandError, PreviousBuildDirError,
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)
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from pip import cmdoptions
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from pip.utils.build import BuildDirectory
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from pip.utils.deprecation import RemovedInPip7Warning, RemovedInPip8Warning
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logger = logging.getLogger(__name__)
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class InstallCommand(Command):
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"""
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Install packages from:
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- PyPI (and other indexes) using requirement specifiers.
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- VCS project urls.
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- Local project directories.
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- Local or remote source archives.
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pip also supports installing from "requirements files", which provide
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an easy way to specify a whole environment to be installed.
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"""
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name = 'install'
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usage = """
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%prog [options] <requirement specifier> [package-index-options] ...
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%prog [options] -r <requirements file> [package-index-options] ...
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%prog [options] [-e] <vcs project url> ...
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%prog [options] [-e] <local project path> ...
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%prog [options] <archive url/path> ..."""
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summary = 'Install packages.'
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def __init__(self, *args, **kw):
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super(InstallCommand, self).__init__(*args, **kw)
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cmd_opts = self.cmd_opts
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cmd_opts.add_option(cmdoptions.editable.make())
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cmd_opts.add_option(cmdoptions.requirements.make())
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cmd_opts.add_option(cmdoptions.build_dir.make())
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cmd_opts.add_option(
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'-t', '--target',
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dest='target_dir',
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metavar='dir',
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default=None,
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help='Install packages into <dir>. '
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'By default this will not replace existing files/folders in '
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'<dir>. Use --upgrade to replace existing packages in <dir> '
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'with new versions.'
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)
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cmd_opts.add_option(
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'-d', '--download', '--download-dir', '--download-directory',
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dest='download_dir',
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metavar='dir',
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default=None,
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help=("Download packages into <dir> instead of installing them, "
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"regardless of what's already installed."),
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)
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cmd_opts.add_option(cmdoptions.download_cache.make())
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cmd_opts.add_option(cmdoptions.src.make())
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cmd_opts.add_option(
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'-U', '--upgrade',
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dest='upgrade',
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action='store_true',
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help='Upgrade all specified packages to the newest available '
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'version. This process is recursive regardless of whether '
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'a dependency is already satisfied.'
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)
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cmd_opts.add_option(
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'--force-reinstall',
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dest='force_reinstall',
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action='store_true',
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help='When upgrading, reinstall all packages even if they are '
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'already up-to-date.')
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cmd_opts.add_option(
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'-I', '--ignore-installed',
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dest='ignore_installed',
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action='store_true',
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help='Ignore the installed packages (reinstalling instead).')
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cmd_opts.add_option(cmdoptions.no_deps.make())
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cmd_opts.add_option(
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'--no-install',
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dest='no_install',
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action='store_true',
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help="DEPRECATED. Download and unpack all packages, but don't "
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"actually install them."
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)
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cmd_opts.add_option(
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'--no-download',
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dest='no_download',
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action="store_true",
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help="DEPRECATED. Don't download any packages, just install the "
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"ones already downloaded (completes an install run with "
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"--no-install).")
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cmd_opts.add_option(cmdoptions.install_options.make())
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cmd_opts.add_option(cmdoptions.global_options.make())
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cmd_opts.add_option(
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'--user',
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dest='use_user_site',
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action='store_true',
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help="Install to the Python user install directory for your "
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"platform. Typically ~/.local/, or %APPDATA%\Python on "
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"Windows. (See the Python documentation for site.USER_BASE "
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"for full details.)")
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cmd_opts.add_option(
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'--egg',
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dest='as_egg',
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action='store_true',
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help="Install packages as eggs, not 'flat', like pip normally "
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"does. This option is not about installing *from* eggs. "
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"(WARNING: Because this option overrides pip's normal install"
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" logic, requirements files may not behave as expected.)")
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cmd_opts.add_option(
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'--root',
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dest='root_path',
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metavar='dir',
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default=None,
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help="Install everything relative to this alternate root "
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"directory.")
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cmd_opts.add_option(
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"--compile",
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action="store_true",
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dest="compile",
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default=True,
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help="Compile py files to pyc",
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)
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cmd_opts.add_option(
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"--no-compile",
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action="store_false",
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dest="compile",
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help="Do not compile py files to pyc",
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)
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cmd_opts.add_option(cmdoptions.use_wheel.make())
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cmd_opts.add_option(cmdoptions.no_use_wheel.make())
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cmd_opts.add_option(
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'--pre',
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action='store_true',
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default=False,
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help="Include pre-release and development versions. By default, "
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"pip only finds stable versions.")
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cmd_opts.add_option(cmdoptions.no_clean.make())
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index_opts = cmdoptions.make_option_group(
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cmdoptions.index_group,
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self.parser,
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)
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self.parser.insert_option_group(0, index_opts)
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self.parser.insert_option_group(0, cmd_opts)
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def _build_package_finder(self, options, index_urls, session):
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"""
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Create a package finder appropriate to this install command.
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This method is meant to be overridden by subclasses, not
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called directly.
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"""
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return PackageFinder(
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find_links=options.find_links,
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index_urls=index_urls,
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use_wheel=options.use_wheel,
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allow_external=options.allow_external,
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allow_unverified=options.allow_unverified,
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allow_all_external=options.allow_all_external,
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trusted_hosts=options.trusted_hosts,
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allow_all_prereleases=options.pre,
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process_dependency_links=options.process_dependency_links,
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session=session,
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)
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def run(self, options, args):
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if (
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options.no_install or
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options.no_download
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):
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warnings.warn(
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"--no-install and --no-download are deprecated. "
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"See https://github.com/pypa/pip/issues/906.",
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RemovedInPip7Warning,
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)
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# If we have --no-install or --no-download and no --build we use the
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# legacy static build dir
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if (options.build_dir is None and
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(options.no_install or options.no_download)):
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options.build_dir = build_prefix
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if options.download_dir:
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options.no_install = True
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options.ignore_installed = True
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if options.build_dir:
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options.build_dir = os.path.abspath(options.build_dir)
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options.src_dir = os.path.abspath(options.src_dir)
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install_options = options.install_options or []
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if options.use_user_site:
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if virtualenv_no_global():
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raise InstallationError(
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"Can not perform a '--user' install. User site-packages "
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"are not visible in this virtualenv."
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)
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install_options.append('--user')
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temp_target_dir = None
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if options.target_dir:
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options.ignore_installed = True
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temp_target_dir = tempfile.mkdtemp()
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options.target_dir = os.path.abspath(options.target_dir)
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if (os.path.exists(options.target_dir) and not
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os.path.isdir(options.target_dir)):
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raise CommandError(
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"Target path exists but is not a directory, will not "
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"continue."
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)
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install_options.append('--home=' + temp_target_dir)
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global_options = options.global_options or []
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index_urls = [options.index_url] + options.extra_index_urls
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if options.no_index:
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logger.info('Ignoring indexes: %s', ','.join(index_urls))
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index_urls = []
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if options.use_mirrors:
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warnings.warn(
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"--use-mirrors has been deprecated and will be removed in the "
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"future. Explicit uses of --index-url and/or --extra-index-url"
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" is suggested.",
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RemovedInPip7Warning,
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)
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if options.mirrors:
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warnings.warn(
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"--mirrors has been deprecated and will be removed in the "
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"future. Explicit uses of --index-url and/or --extra-index-url"
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" is suggested.",
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RemovedInPip7Warning,
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)
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index_urls += options.mirrors
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if options.download_cache:
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warnings.warn(
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"--download-cache has been deprecated and will be removed in "
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"the future. Pip now automatically uses and configures its "
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"cache.",
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RemovedInPip8Warning,
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)
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with self._build_session(options) as session:
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finder = self._build_package_finder(options, index_urls, session)
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build_delete = (not (options.no_clean or options.build_dir))
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with BuildDirectory(options.build_dir,
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delete=build_delete) as build_dir:
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requirement_set = RequirementSet(
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build_dir=build_dir,
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src_dir=options.src_dir,
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download_dir=options.download_dir,
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upgrade=options.upgrade,
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as_egg=options.as_egg,
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ignore_installed=options.ignore_installed,
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ignore_dependencies=options.ignore_dependencies,
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force_reinstall=options.force_reinstall,
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use_user_site=options.use_user_site,
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target_dir=temp_target_dir,
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session=session,
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pycompile=options.compile,
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isolated=options.isolated_mode,
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)
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for name in args:
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requirement_set.add_requirement(
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InstallRequirement.from_line(
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name, None, isolated=options.isolated_mode,
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)
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)
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for name in options.editables:
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requirement_set.add_requirement(
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InstallRequirement.from_editable(
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name,
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default_vcs=options.default_vcs,
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isolated=options.isolated_mode,
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)
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)
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for filename in options.requirements:
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for req in parse_requirements(
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filename,
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finder=finder, options=options, session=session):
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requirement_set.add_requirement(req)
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if not requirement_set.has_requirements:
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opts = {'name': self.name}
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if options.find_links:
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msg = ('You must give at least one requirement to '
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'%(name)s (maybe you meant "pip %(name)s '
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'%(links)s"?)' %
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dict(opts, links=' '.join(options.find_links)))
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else:
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msg = ('You must give at least one requirement '
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'to %(name)s (see "pip help %(name)s")' % opts)
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logger.warning(msg)
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return
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try:
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if not options.no_download:
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requirement_set.prepare_files(finder)
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else:
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# This is the only call site of locate_files. Nuke with
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# fire.
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requirement_set.locate_files()
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if not options.no_install:
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requirement_set.install(
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install_options,
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global_options,
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root=options.root_path,
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)
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reqs = sorted(
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requirement_set.successfully_installed,
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key=operator.attrgetter('name'))
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items = []
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for req in reqs:
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item = req.name
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try:
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if hasattr(req, 'installed_version'):
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if req.installed_version:
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item += '-' + req.installed_version
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except Exception:
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pass
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items.append(item)
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installed = ' '.join(items)
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if installed:
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logger.info('Successfully installed %s', installed)
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else:
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downloaded = ' '.join([
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req.name
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for req in requirement_set.successfully_downloaded
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])
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if downloaded:
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logger.info(
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'Successfully downloaded %s', downloaded
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)
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except PreviousBuildDirError:
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options.no_clean = True
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raise
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finally:
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# Clean up
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if ((not options.no_clean) and
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((not options.no_install) or
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options.download_dir)):
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|
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requirement_set.cleanup_files()
|
||
|
|
|
||
|
|
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):
|
||
|
|
target_item_dir = os.path.join(options.target_dir, item)
|
||
|
|
if os.path.exists(target_item_dir):
|
||
|
|
if not options.upgrade:
|
||
|
|
logger.warning(
|
||
|
|
'Target directory %s already exists. Specify '
|
||
|
|
'--upgrade to force replacement.',
|
||
|
|
target_item_dir
|
||
|
|
)
|
||
|
|
continue
|
||
|
|
if os.path.islink(target_item_dir):
|
||
|
|
logger.warning(
|
||
|
|
'Target directory %s already exists and is '
|
||
|
|
'a link. Pip will not automatically replace '
|
||
|
|
'links, please remove if replacement is '
|
||
|
|
'desired.',
|
||
|
|
target_item_dir
|
||
|
|
)
|
||
|
|
continue
|
||
|
|
if os.path.isdir(target_item_dir):
|
||
|
|
shutil.rmtree(target_item_dir)
|
||
|
|
else:
|
||
|
|
os.remove(target_item_dir)
|
||
|
|
|
||
|
|
shutil.move(
|
||
|
|
os.path.join(lib_dir, item),
|
||
|
|
target_item_dir
|
||
|
|
)
|
||
|
|
shutil.rmtree(temp_target_dir)
|
||
|
|
return requirement_set
|