forked from varia/varia.website
200 lines
6.4 KiB
Python
200 lines
6.4 KiB
Python
import importlib.resources
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import locale
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import logging
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import os
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import sys
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from optparse import Values
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from types import ModuleType
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from typing import Any, Dict, List, Optional
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import pip._vendor
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from pip._vendor.certifi import where
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from pip._vendor.packaging.version import parse as parse_version
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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.cmdoptions import make_target_python
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from pip._internal.cli.status_codes import SUCCESS
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from pip._internal.configuration import Configuration
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from pip._internal.metadata import get_environment
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from pip._internal.utils.logging import indent_log
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from pip._internal.utils.misc import get_pip_version
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logger = logging.getLogger(__name__)
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def show_value(name: str, value: Any) -> None:
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logger.info("%s: %s", name, value)
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def show_sys_implementation() -> None:
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logger.info("sys.implementation:")
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implementation_name = sys.implementation.name
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with indent_log():
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show_value("name", implementation_name)
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def create_vendor_txt_map() -> Dict[str, str]:
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with importlib.resources.open_text("pip._vendor", "vendor.txt") as f:
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# Purge non version specifying lines.
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# Also, remove any space prefix or suffixes (including comments).
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lines = [
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line.strip().split(" ", 1)[0] for line in f.readlines() if "==" in line
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]
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# Transform into "module" -> version dict.
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return dict(line.split("==", 1) for line in lines)
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def get_module_from_module_name(module_name: str) -> ModuleType:
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# Module name can be uppercase in vendor.txt for some reason...
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module_name = module_name.lower().replace("-", "_")
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# PATCH: setuptools is actually only pkg_resources.
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if module_name == "setuptools":
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module_name = "pkg_resources"
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__import__(f"pip._vendor.{module_name}", globals(), locals(), level=0)
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return getattr(pip._vendor, module_name)
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def get_vendor_version_from_module(module_name: str) -> Optional[str]:
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module = get_module_from_module_name(module_name)
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version = getattr(module, "__version__", None)
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if not version:
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# Try to find version in debundled module info.
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assert module.__file__ is not None
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env = get_environment([os.path.dirname(module.__file__)])
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dist = env.get_distribution(module_name)
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if dist:
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version = str(dist.version)
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return version
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def show_actual_vendor_versions(vendor_txt_versions: Dict[str, str]) -> None:
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"""Log the actual version and print extra info if there is
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a conflict or if the actual version could not be imported.
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"""
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for module_name, expected_version in vendor_txt_versions.items():
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extra_message = ""
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actual_version = get_vendor_version_from_module(module_name)
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if not actual_version:
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extra_message = (
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" (Unable to locate actual module version, using"
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" vendor.txt specified version)"
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)
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actual_version = expected_version
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elif parse_version(actual_version) != parse_version(expected_version):
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extra_message = (
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" (CONFLICT: vendor.txt suggests version should"
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" be {})".format(expected_version)
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)
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logger.info("%s==%s%s", module_name, actual_version, extra_message)
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def show_vendor_versions() -> None:
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logger.info("vendored library versions:")
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vendor_txt_versions = create_vendor_txt_map()
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with indent_log():
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show_actual_vendor_versions(vendor_txt_versions)
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def show_tags(options: Values) -> None:
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tag_limit = 10
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target_python = make_target_python(options)
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tags = target_python.get_tags()
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# Display the target options that were explicitly provided.
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formatted_target = target_python.format_given()
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suffix = ""
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if formatted_target:
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suffix = f" (target: {formatted_target})"
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msg = "Compatible tags: {}{}".format(len(tags), suffix)
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logger.info(msg)
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if options.verbose < 1 and len(tags) > tag_limit:
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tags_limited = True
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tags = tags[:tag_limit]
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else:
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tags_limited = False
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with indent_log():
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for tag in tags:
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logger.info(str(tag))
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if tags_limited:
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msg = (
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"...\n[First {tag_limit} tags shown. Pass --verbose to show all.]"
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).format(tag_limit=tag_limit)
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logger.info(msg)
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def ca_bundle_info(config: Configuration) -> str:
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levels = set()
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for key, _ in config.items():
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levels.add(key.split(".")[0])
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if not levels:
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return "Not specified"
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levels_that_override_global = ["install", "wheel", "download"]
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global_overriding_level = [
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level for level in levels if level in levels_that_override_global
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]
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if not global_overriding_level:
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return "global"
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if "global" in levels:
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levels.remove("global")
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return ", ".join(levels)
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class DebugCommand(Command):
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"""
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Display debug information.
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"""
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usage = """
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%prog <options>"""
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ignore_require_venv = True
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def add_options(self) -> None:
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cmdoptions.add_target_python_options(self.cmd_opts)
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self.parser.insert_option_group(0, self.cmd_opts)
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self.parser.config.load()
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def run(self, options: Values, args: List[str]) -> int:
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logger.warning(
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"This command is only meant for debugging. "
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"Do not use this with automation for parsing and getting these "
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"details, since the output and options of this command may "
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"change without notice."
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)
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show_value("pip version", get_pip_version())
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show_value("sys.version", sys.version)
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show_value("sys.executable", sys.executable)
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show_value("sys.getdefaultencoding", sys.getdefaultencoding())
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show_value("sys.getfilesystemencoding", sys.getfilesystemencoding())
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show_value(
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"locale.getpreferredencoding",
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locale.getpreferredencoding(),
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)
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show_value("sys.platform", sys.platform)
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show_sys_implementation()
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show_value("'cert' config value", ca_bundle_info(self.parser.config))
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show_value("REQUESTS_CA_BUNDLE", os.environ.get("REQUESTS_CA_BUNDLE"))
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show_value("CURL_CA_BUNDLE", os.environ.get("CURL_CA_BUNDLE"))
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show_value("pip._vendor.certifi.where()", where())
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show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED)
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show_vendor_versions()
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show_tags(options)
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return SUCCESS
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