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//opt/hc_python/lib64/python3.12/site-packages/virtualenv/run/plugin/base.py

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from __future__ import annotations

import sys
from collections import OrderedDict
from importlib.metadata import entry_points

importlib_metadata_version = ()

class PluginLoader:
    _OPTIONS = None
    _ENTRY_POINTS = None

@classmethod
    def entry_points_for(cls, key):
        if sys.version_info >= (3, 10) or importlib_metadata_version >= (3, 6):
            return OrderedDict((e.name, e.load()) for e in cls.entry_points().select(group=key))
        return OrderedDict((e.name, e.load()) for e in cls.entry_points().get(key, {}))

@staticmethod
    def entry_points():
        if PluginLoader._ENTRY_POINTS is None:
            PluginLoader._ENTRY_POINTS = entry_points()
        return PluginLoader._ENTRY_POINTS

class ComponentBuilder(PluginLoader):
    def __init__(self, interpreter, parser, name, possible) -> None:
        self.interpreter = interpreter
        self.name = name
        self._impl_class = None
        self.possible = possible
        self.parser = parser.add_argument_group(title=name)
        self.add_selector_arg_parse(name, list(self.possible))

@classmethod
    def options(cls, key):
        if cls._OPTIONS is None:
            cls._OPTIONS = cls.entry_points_for(key)
        return cls._OPTIONS

def add_selector_arg_parse(self, name, choices):
        raise NotImplementedError

def handle_selected_arg_parse(self, options):
        selected = getattr(options, self.name)
        if selected not in self.possible:
            msg = f"No implementation for {self.interpreter}"
            raise RuntimeError(msg)
        self._impl_class = self.possible[selected]
        self.populate_selected_argparse(selected, options.app_data)
        return selected

def populate_selected_argparse(self, selected, app_data):
        self.parser.description = f"options for {self.name} {selected}"
        self._impl_class.add_parser_arguments(self.parser, self.interpreter, app_data)

def create(self, options):
        return self._impl_class(options, self.interpreter)

__all__ = [
    "ComponentBuilder",
    "PluginLoader",
]

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Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-04-04 08:02:01	Edit Download recursive recursive
activators.py	2.18 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
base.py	2.05 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
creators.py	3.54 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
discovery.py	1.15 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
seeders.py	1.03 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
__init__.py	0 B	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive

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