diff options
Diffstat (limited to 'venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py')
| -rw-r--r-- | venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py | 566 |
1 files changed, 0 insertions, 566 deletions
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py deleted file mode 100644 index 1c244d2..0000000 --- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/install.py +++ /dev/null @@ -1,566 +0,0 @@ -from __future__ import absolute_import - -import errno -import logging -import operator -import os -import shutil -from optparse import SUPPRESS_HELP - -from pip._vendor import pkg_resources - -from pip._internal.cache import WheelCache -from pip._internal.cli import cmdoptions -from pip._internal.cli.base_command import RequirementCommand -from pip._internal.cli.status_codes import ERROR -from pip._internal.exceptions import ( - CommandError, InstallationError, PreviousBuildDirError, -) -from pip._internal.locations import distutils_scheme, virtualenv_no_global -from pip._internal.operations.check import check_install_conflicts -from pip._internal.operations.prepare import RequirementPreparer -from pip._internal.req import RequirementSet, install_given_reqs -from pip._internal.req.req_tracker import RequirementTracker -from pip._internal.resolve import Resolver -from pip._internal.utils.filesystem import check_path_owner -from pip._internal.utils.misc import ( - ensure_dir, get_installed_version, - protect_pip_from_modification_on_windows, -) -from pip._internal.utils.temp_dir import TempDirectory -from pip._internal.wheel import WheelBuilder - -logger = logging.getLogger(__name__) - - -class InstallCommand(RequirementCommand): - """ - 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> [package-index-options] ... - %prog [options] -r <requirements file> [package-index-options] ... - %prog [options] [-e] <vcs project url> ... - %prog [options] [-e] <local project path> ... - %prog [options] <archive url/path> ...""" - - summary = 'Install packages.' - - def __init__(self, *args, **kw): - super(InstallCommand, self).__init__(*args, **kw) - - cmd_opts = self.cmd_opts - - cmd_opts.add_option(cmdoptions.requirements()) - cmd_opts.add_option(cmdoptions.constraints()) - cmd_opts.add_option(cmdoptions.no_deps()) - cmd_opts.add_option(cmdoptions.pre()) - - cmd_opts.add_option(cmdoptions.editable()) - cmd_opts.add_option( - '-t', '--target', - dest='target_dir', - metavar='dir', - default=None, - help='Install packages into <dir>. ' - 'By default this will not replace existing files/folders in ' - '<dir>. Use --upgrade to replace existing packages in <dir> ' - 'with new versions.' - ) - cmd_opts.add_option(cmdoptions.platform()) - cmd_opts.add_option(cmdoptions.python_version()) - cmd_opts.add_option(cmdoptions.implementation()) - cmd_opts.add_option(cmdoptions.abi()) - - cmd_opts.add_option( - '--user', - dest='use_user_site', - action='store_true', - help="Install to the Python user install directory for your " - "platform. Typically ~/.local/, or %APPDATA%\\Python on " - "Windows. (See the Python documentation for site.USER_BASE " - "for full details.)") - cmd_opts.add_option( - '--no-user', - dest='use_user_site', - action='store_false', - help=SUPPRESS_HELP) - 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( - '--prefix', - dest='prefix_path', - metavar='dir', - default=None, - help="Installation prefix where lib, bin and other top-level " - "folders are placed") - - cmd_opts.add_option(cmdoptions.build_dir()) - - cmd_opts.add_option(cmdoptions.src()) - - cmd_opts.add_option( - '-U', '--upgrade', - dest='upgrade', - action='store_true', - help='Upgrade all specified packages to the newest available ' - 'version. The handling of dependencies depends on the ' - 'upgrade-strategy used.' - ) - - cmd_opts.add_option( - '--upgrade-strategy', - dest='upgrade_strategy', - default='only-if-needed', - choices=['only-if-needed', 'eager'], - help='Determines how dependency upgrading should be handled ' - '[default: %default]. ' - '"eager" - dependencies are upgraded regardless of ' - 'whether the currently installed version satisfies the ' - 'requirements of the upgraded package(s). ' - '"only-if-needed" - are upgraded only when they do not ' - 'satisfy the requirements of the upgraded package(s).' - ) - - cmd_opts.add_option( - '--force-reinstall', - dest='force_reinstall', - action='store_true', - help='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.ignore_requires_python()) - cmd_opts.add_option(cmdoptions.no_build_isolation()) - cmd_opts.add_option(cmdoptions.use_pep517()) - cmd_opts.add_option(cmdoptions.no_use_pep517()) - - cmd_opts.add_option(cmdoptions.install_options()) - cmd_opts.add_option(cmdoptions.global_options()) - - cmd_opts.add_option( - "--compile", - action="store_true", - dest="compile", - default=True, - help="Compile Python source files to bytecode", - ) - - cmd_opts.add_option( - "--no-compile", - action="store_false", - dest="compile", - help="Do not compile Python source files to bytecode", - ) - - cmd_opts.add_option( - "--no-warn-script-location", - action="store_false", - dest="warn_script_location", - default=True, - help="Do not warn when installing scripts outside PATH", - ) - cmd_opts.add_option( - "--no-warn-conflicts", - action="store_false", - dest="warn_about_conflicts", - default=True, - help="Do not warn about broken dependencies", - ) - - cmd_opts.add_option(cmdoptions.no_binary()) - cmd_opts.add_option(cmdoptions.only_binary()) - cmd_opts.add_option(cmdoptions.prefer_binary()) - cmd_opts.add_option(cmdoptions.no_clean()) - cmd_opts.add_option(cmdoptions.require_hashes()) - cmd_opts.add_option(cmdoptions.progress_bar()) - - 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 run(self, options, args): - cmdoptions.check_install_build_global(options) - upgrade_strategy = "to-satisfy-only" - if options.upgrade: - upgrade_strategy = options.upgrade_strategy - - if options.build_dir: - options.build_dir = os.path.abspath(options.build_dir) - - cmdoptions.check_dist_restriction(options, check_target=True) - - if options.python_version: - python_versions = [options.python_version] - else: - python_versions = None - - options.src_dir = os.path.abspath(options.src_dir) - install_options = options.install_options or [] - if options.use_user_site: - if options.prefix_path: - raise CommandError( - "Can not combine '--user' and '--prefix' as they imply " - "different installation locations" - ) - 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') - install_options.append('--prefix=') - - target_temp_dir = TempDirectory(kind="target") - if options.target_dir: - options.ignore_installed = True - 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." - ) - - # Create a target directory for using with the target option - target_temp_dir.create() - install_options.append('--home=' + target_temp_dir.path) - - global_options = options.global_options or [] - - with self._build_session(options) as session: - finder = self._build_package_finder( - options=options, - session=session, - platform=options.platform, - python_versions=python_versions, - abi=options.abi, - implementation=options.implementation, - ) - build_delete = (not (options.no_clean or options.build_dir)) - wheel_cache = WheelCache(options.cache_dir, options.format_control) - - if options.cache_dir and not check_path_owner(options.cache_dir): - logger.warning( - "The directory '%s' or its parent directory is not owned " - "by the current user and caching wheels has been " - "disabled. check the permissions and owner of that " - "directory. If executing pip with sudo, you may want " - "sudo's -H flag.", - options.cache_dir, - ) - options.cache_dir = None - - with RequirementTracker() as req_tracker, TempDirectory( - options.build_dir, delete=build_delete, kind="install" - ) as directory: - requirement_set = RequirementSet( - require_hashes=options.require_hashes, - check_supported_wheels=not options.target_dir, - ) - - try: - self.populate_requirement_set( - requirement_set, args, options, finder, session, - self.name, wheel_cache - ) - preparer = RequirementPreparer( - build_dir=directory.path, - src_dir=options.src_dir, - download_dir=None, - wheel_download_dir=None, - progress_bar=options.progress_bar, - build_isolation=options.build_isolation, - req_tracker=req_tracker, - ) - - resolver = Resolver( - preparer=preparer, - finder=finder, - session=session, - wheel_cache=wheel_cache, - use_user_site=options.use_user_site, - upgrade_strategy=upgrade_strategy, - force_reinstall=options.force_reinstall, - ignore_dependencies=options.ignore_dependencies, - ignore_requires_python=options.ignore_requires_python, - ignore_installed=options.ignore_installed, - isolated=options.isolated_mode, - use_pep517=options.use_pep517 - ) - resolver.resolve(requirement_set) - - protect_pip_from_modification_on_windows( - modifying_pip=requirement_set.has_requirement("pip") - ) - - # Consider legacy and PEP517-using requirements separately - legacy_requirements = [] - pep517_requirements = [] - for req in requirement_set.requirements.values(): - if req.use_pep517: - pep517_requirements.append(req) - else: - legacy_requirements.append(req) - - # We don't build wheels for legacy requirements if we - # don't have wheel installed or we don't have a cache dir - try: - import wheel # noqa: F401 - build_legacy = bool(options.cache_dir) - except ImportError: - build_legacy = False - - wb = WheelBuilder( - finder, preparer, wheel_cache, - build_options=[], global_options=[], - ) - - # Always build PEP 517 requirements - build_failures = wb.build( - pep517_requirements, - session=session, autobuilding=True - ) - - if build_legacy: - # We don't care about failures building legacy - # requirements, as we'll fall through to a direct - # install for those. - wb.build( - legacy_requirements, - session=session, autobuilding=True - ) - - # If we're using PEP 517, we cannot do a direct install - # so we fail here. - if build_failures: - raise InstallationError( - "Could not build wheels for {} which use" - " PEP 517 and cannot be installed directly".format( - ", ".join(r.name for r in build_failures))) - - to_install = resolver.get_installation_order( - requirement_set - ) - - # Consistency Checking of the package set we're installing. - should_warn_about_conflicts = ( - not options.ignore_dependencies and - options.warn_about_conflicts - ) - if should_warn_about_conflicts: - self._warn_about_conflicts(to_install) - - # Don't warn about script install locations if - # --target has been specified - warn_script_location = options.warn_script_location - if options.target_dir: - warn_script_location = False - - installed = install_given_reqs( - to_install, - install_options, - global_options, - root=options.root_path, - home=target_temp_dir.path, - prefix=options.prefix_path, - pycompile=options.compile, - warn_script_location=warn_script_location, - use_user_site=options.use_user_site, - ) - - lib_locations = get_lib_location_guesses( - user=options.use_user_site, - home=target_temp_dir.path, - root=options.root_path, - prefix=options.prefix_path, - isolated=options.isolated_mode, - ) - working_set = pkg_resources.WorkingSet(lib_locations) - - reqs = sorted(installed, key=operator.attrgetter('name')) - items = [] - for req in reqs: - item = req.name - try: - installed_version = get_installed_version( - req.name, working_set=working_set - ) - if installed_version: - item += '-' + installed_version - except Exception: - pass - items.append(item) - installed = ' '.join(items) - if installed: - logger.info('Successfully installed %s', installed) - except EnvironmentError as error: - show_traceback = (self.verbosity >= 1) - - message = create_env_error_message( - error, show_traceback, options.use_user_site, - ) - logger.error(message, exc_info=show_traceback) - - return ERROR - except PreviousBuildDirError: - options.no_clean = True - raise - finally: - # Clean up - if not options.no_clean: - requirement_set.cleanup_files() - wheel_cache.cleanup() - - if options.target_dir: - self._handle_target_dir( - options.target_dir, target_temp_dir, options.upgrade - ) - return requirement_set - - def _handle_target_dir(self, target_dir, target_temp_dir, upgrade): - ensure_dir(target_dir) - - # Checking both purelib and platlib directories for installed - # packages to be moved to target directory - lib_dir_list = [] - - with target_temp_dir: - # Checking both purelib and platlib directories for installed - # packages to be moved to target directory - scheme = distutils_scheme('', home=target_temp_dir.path) - purelib_dir = scheme['purelib'] - platlib_dir = scheme['platlib'] - data_dir = scheme['data'] - - if os.path.exists(purelib_dir): - lib_dir_list.append(purelib_dir) - if os.path.exists(platlib_dir) and platlib_dir != purelib_dir: - lib_dir_list.append(platlib_dir) - if os.path.exists(data_dir): - lib_dir_list.append(data_dir) - - for lib_dir in lib_dir_list: - for item in os.listdir(lib_dir): - if lib_dir == data_dir: - ddir = os.path.join(data_dir, item) - if any(s.startswith(ddir) for s in lib_dir_list[:-1]): - continue - target_item_dir = os.path.join(target_dir, item) - if os.path.exists(target_item_dir): - if not 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 - ) - - def _warn_about_conflicts(self, to_install): - try: - package_set, _dep_info = check_install_conflicts(to_install) - except Exception: - logger.error("Error checking for conflicts.", exc_info=True) - return - missing, conflicting = _dep_info - - # NOTE: There is some duplication here from pip check - for project_name in missing: - version = package_set[project_name][0] - for dependency in missing[project_name]: - logger.critical( - "%s %s requires %s, which is not installed.", - project_name, version, dependency[1], - ) - - for project_name in conflicting: - version = package_set[project_name][0] - for dep_name, dep_version, req in conflicting[project_name]: - logger.critical( - "%s %s has requirement %s, but you'll have %s %s which is " - "incompatible.", - project_name, version, req, dep_name, dep_version, - ) - - -def get_lib_location_guesses(*args, **kwargs): - scheme = distutils_scheme('', *args, **kwargs) - return [scheme['purelib'], scheme['platlib']] - - -def create_env_error_message(error, show_traceback, using_user_site): - """Format an error message for an EnvironmentError - - It may occur anytime during the execution of the install command. - """ - parts = [] - - # Mention the error if we are not going to show a traceback - parts.append("Could not install packages due to an EnvironmentError") - if not show_traceback: - parts.append(": ") - parts.append(str(error)) - else: - parts.append(".") - - # Spilt the error indication from a helper message (if any) - parts[-1] += "\n" - - # Suggest useful actions to the user: - # (1) using user site-packages or (2) verifying the permissions - if error.errno == errno.EACCES: - user_option_part = "Consider using the `--user` option" - permissions_part = "Check the permissions" - - if not using_user_site: - parts.extend([ - user_option_part, " or ", - permissions_part.lower(), - ]) - else: - parts.append(permissions_part) - parts.append(".\n") - - return "".join(parts).strip() + "\n" |