| import sys |
| from optparse import Values |
| from typing import List |
| |
| from pip._internal.cli import cmdoptions |
| from pip._internal.cli.base_command import Command |
| from pip._internal.cli.status_codes import SUCCESS |
| from pip._internal.operations.freeze import freeze |
| from pip._internal.utils.compat import stdlib_pkgs |
| |
| DEV_PKGS = {"pip", "setuptools", "distribute", "wheel"} |
| |
| |
| class FreezeCommand(Command): |
| """ |
| Output installed packages in requirements format. |
| |
| packages are listed in a case-insensitive sorted order. |
| """ |
| |
| usage = """ |
| %prog [options]""" |
| log_streams = ("ext://sys.stderr", "ext://sys.stderr") |
| |
| def add_options(self) -> None: |
| self.cmd_opts.add_option( |
| "-r", |
| "--requirement", |
| dest="requirements", |
| action="append", |
| default=[], |
| metavar="file", |
| help=( |
| "Use the order in the given requirements file and its " |
| "comments when generating output. This option can be " |
| "used multiple times." |
| ), |
| ) |
| self.cmd_opts.add_option( |
| "-l", |
| "--local", |
| dest="local", |
| action="store_true", |
| default=False, |
| help=( |
| "If in a virtualenv that has global access, do not output " |
| "globally-installed packages." |
| ), |
| ) |
| self.cmd_opts.add_option( |
| "--user", |
| dest="user", |
| action="store_true", |
| default=False, |
| help="Only output packages installed in user-site.", |
| ) |
| self.cmd_opts.add_option(cmdoptions.list_path()) |
| self.cmd_opts.add_option( |
| "--all", |
| dest="freeze_all", |
| action="store_true", |
| help=( |
| "Do not skip these packages in the output:" |
| " {}".format(", ".join(DEV_PKGS)) |
| ), |
| ) |
| self.cmd_opts.add_option( |
| "--exclude-editable", |
| dest="exclude_editable", |
| action="store_true", |
| help="Exclude editable package from output.", |
| ) |
| self.cmd_opts.add_option(cmdoptions.list_exclude()) |
| |
| self.parser.insert_option_group(0, self.cmd_opts) |
| |
| def run(self, options: Values, args: List[str]) -> int: |
| skip = set(stdlib_pkgs) |
| if not options.freeze_all: |
| skip.update(DEV_PKGS) |
| |
| if options.excludes: |
| skip.update(options.excludes) |
| |
| cmdoptions.check_list_path_option(options) |
| |
| for line in freeze( |
| requirement=options.requirements, |
| local_only=options.local, |
| user_only=options.user, |
| paths=options.path, |
| isolated=options.isolated_mode, |
| skip=skip, |
| exclude_editable=options.exclude_editable, |
| ): |
| sys.stdout.write(line + "\n") |
| return SUCCESS |