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?? ..
?? __init__.py(3.93 KB)
?? __pycache__
?? cache.py(8.04 KB)
?? check.py(2.19 KB)
?? completion.py(4.42 KB)
?? configuration.py(9.87 KB)
?? debug.py(6.65 KB)
?? download.py(4.96 KB)
?? freeze.py(3.03 KB)
?? hash.py(1.64 KB)
?? help.py(1.08 KB)
?? index.py(5.12 KB)
?? inspect.py(3.1 KB)
?? install.py(29.76 KB)
?? list.py(13.2 KB)
?? lock.py(5.66 KB)
?? search.py(5.65 KB)
?? show.py(7.88 KB)
?? uninstall.py(3.78 KB)
?? wheel.py(5.87 KB)

Editing: lock.py

import sys
from optparse import Values
from pathlib import Path

from pip._internal.cache import WheelCache
from pip._internal.cli import cmdoptions
from pip._internal.cli.req_command import (
    RequirementCommand,
    with_cleanup,
)
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.models.pylock import Pylock, is_valid_pylock_file_name
from pip._internal.operations.build.build_tracker import get_build_tracker
from pip._internal.utils.logging import getLogger
from pip._internal.utils.misc import (
    get_pip_version,
)
from pip._internal.utils.temp_dir import TempDirectory

logger = getLogger(__name__)

class LockCommand(RequirementCommand):
    """
    EXPERIMENTAL - Lock packages and their dependencies from:

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

pip also supports locking from "requirements files", which provide an easy
    way to specify a whole environment to be installed.

The generated lock file is only guaranteed to be valid for the current
    python version and platform.
    """

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

def add_options(self) -> None:
        self.cmd_opts.add_option(
            cmdoptions.PipOption(
                "--output",
                "-o",
                dest="output_file",
                metavar="path",
                type="path",
                default="pylock.toml",
                help="Lock file name (default=pylock.toml). Use - for stdout.",
            )
        )
        self.cmd_opts.add_option(cmdoptions.requirements())
        self.cmd_opts.add_option(cmdoptions.constraints())
        self.cmd_opts.add_option(cmdoptions.build_constraints())
        self.cmd_opts.add_option(cmdoptions.no_deps())
        self.cmd_opts.add_option(cmdoptions.pre())

self.cmd_opts.add_option(cmdoptions.editable())

self.cmd_opts.add_option(cmdoptions.src())

self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
        self.cmd_opts.add_option(cmdoptions.no_build_isolation())
        self.cmd_opts.add_option(cmdoptions.use_pep517())
        self.cmd_opts.add_option(cmdoptions.check_build_deps())

self.cmd_opts.add_option(cmdoptions.config_settings())

self.cmd_opts.add_option(cmdoptions.no_binary())
        self.cmd_opts.add_option(cmdoptions.only_binary())
        self.cmd_opts.add_option(cmdoptions.prefer_binary())
        self.cmd_opts.add_option(cmdoptions.require_hashes())
        self.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, self.cmd_opts)

@with_cleanup
    def run(self, options: Values, args: list[str]) -> int:
        logger.verbose("Using %s", get_pip_version())

logger.warning(
            "pip lock is currently an experimental command. "
            "It may be removed/changed in a future release "
            "without prior warning."
        )

cmdoptions.check_build_constraints(options)

session = self.get_default_session(options)

finder = self._build_package_finder(
            options=options,
            session=session,
            ignore_requires_python=options.ignore_requires_python,
        )
        build_tracker = self.enter_context(get_build_tracker())

directory = TempDirectory(
            delete=not options.no_clean,
            kind="install",
            globally_managed=True,
        )

reqs = self.get_requirements(args, options, finder, session)

wheel_cache = WheelCache(options.cache_dir)

# Only when installing is it permitted to use PEP 660.
        # In other circumstances (pip wheel, pip download) we generate
        # regular (i.e. non editable) metadata and wheels.
        for req in reqs:
            req.permit_editable_wheels = True

preparer = self.make_requirement_preparer(
            temp_build_dir=directory,
            options=options,
            build_tracker=build_tracker,
            session=session,
            finder=finder,
            use_user_site=False,
            verbosity=self.verbosity,
        )
        resolver = self.make_resolver(
            preparer=preparer,
            finder=finder,
            options=options,
            wheel_cache=wheel_cache,
            use_user_site=False,
            ignore_installed=True,
            ignore_requires_python=options.ignore_requires_python,
            upgrade_strategy="to-satisfy-only",
        )

self.trace_basic_info(finder)

requirement_set = resolver.resolve(reqs, check_supported_wheels=True)

if options.output_file == "-":
            base_dir = Path.cwd()
        else:
            output_file_path = Path(options.output_file)
            if not is_valid_pylock_file_name(output_file_path):
                logger.warning(
                    "%s is not a valid lock file name.",
                    output_file_path,
                )
            base_dir = output_file_path.parent
        pylock_toml = Pylock.from_install_requirements(
            requirement_set.requirements.values(), base_dir=base_dir
        ).as_toml()
        if options.output_file == "-":
            sys.stdout.write(pylock_toml)
        else:
            output_file_path.write_text(pylock_toml, encoding="utf-8")

return SUCCESS

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