93 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
	
import logging
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from optparse import Values
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from typing import Any, Dict, List
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from pip._vendor.packaging.markers import default_environment
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from pip._vendor.rich import print_json
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from pip import __version__
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from pip._internal.cli import cmdoptions
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from pip._internal.cli.req_command import Command
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from pip._internal.cli.status_codes import SUCCESS
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from pip._internal.metadata import BaseDistribution, get_environment
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from pip._internal.utils.compat import stdlib_pkgs
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from pip._internal.utils.urls import path_to_url
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logger = logging.getLogger(__name__)
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class InspectCommand(Command):
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    """
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    Inspect the content of a Python environment and produce a report in JSON format.
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    """
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    ignore_require_venv = True
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    usage = """
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      %prog [options]"""
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    def add_options(self) -> None:
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        self.cmd_opts.add_option(
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            "--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 list "
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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.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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        cmdoptions.check_list_path_option(options)
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        dists = get_environment(options.path).iter_installed_distributions(
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            local_only=options.local,
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            user_only=options.user,
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            skip=set(stdlib_pkgs),
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        )
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        output = {
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            "version": "1",
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            "pip_version": __version__,
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            "installed": [self._dist_to_dict(dist) for dist in dists],
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            "environment": default_environment(),
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            # TODO tags? scheme?
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        }
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        print_json(data=output)
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        return SUCCESS
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    def _dist_to_dict(self, dist: BaseDistribution) -> Dict[str, Any]:
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        res: Dict[str, Any] = {
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            "metadata": dist.metadata_dict,
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            "metadata_location": dist.info_location,
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        }
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        # direct_url. Note that we don't have download_info (as in the installation
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        # report) since it is not recorded in installed metadata.
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        direct_url = dist.direct_url
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        if direct_url is not None:
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            res["direct_url"] = direct_url.to_dict()
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        else:
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            # Emulate direct_url for legacy editable installs.
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            editable_project_location = dist.editable_project_location
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            if editable_project_location is not None:
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                res["direct_url"] = {
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                    "url": path_to_url(editable_project_location),
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                    "dir_info": {
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                        "editable": True,
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                    },
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                }
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        # installer
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        installer = dist.installer
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        if dist.installer:
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            res["installer"] = installer
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        # requested
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        if dist.installed_with_dist_info:
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            res["requested"] = dist.requested
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        return res
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