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