first commit

kivy_venv/lib/python3.11/site-packages/virtualenv/config/ini.py

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+from __future__ import annotations
+
+import logging
+import os
+from configparser import ConfigParser
+from pathlib import Path
+from typing import ClassVar
+
+from platformdirs import user_config_dir
+
+from .convert import convert
+
+
+class IniConfig:
+    VIRTUALENV_CONFIG_FILE_ENV_VAR: ClassVar[str] = "VIRTUALENV_CONFIG_FILE"
+    STATE: ClassVar[dict[bool | None, str]] = {None: "failed to parse", True: "active", False: "missing"}
+
+    section = "virtualenv"
+
+    def __init__(self, env=None) -> None:
+        env = os.environ if env is None else env
+        config_file = env.get(self.VIRTUALENV_CONFIG_FILE_ENV_VAR, None)
+        self.is_env_var = config_file is not None
+        if config_file is None:
+            config_file = Path(user_config_dir(appname="virtualenv", appauthor="pypa")) / "virtualenv.ini"
+        else:
+            config_file = Path(config_file)
+        self.config_file = config_file
+        self._cache = {}
+
+        exception = None
+        self.has_config_file = None
+        try:
+            self.has_config_file = self.config_file.exists()
+        except OSError as exc:
+            exception = exc
+        else:
+            if self.has_config_file:
+                self.config_file = self.config_file.resolve()
+                self.config_parser = ConfigParser()
+                try:
+                    self._load()
+                    self.has_virtualenv_section = self.config_parser.has_section(self.section)
+                except Exception as exc:  # noqa: BLE001
+                    exception = exc
+        if exception is not None:
+            logging.error("failed to read config file %s because %r", config_file, exception)
+
+    def _load(self):
+        with self.config_file.open("rt", encoding="utf-8") as file_handler:
+            return self.config_parser.read_file(file_handler)
+
+    def get(self, key, as_type):
+        cache_key = key, as_type
+        if cache_key in self._cache:
+            return self._cache[cache_key]
+        try:
+            source = "file"
+            raw_value = self.config_parser.get(self.section, key.lower())
+            value = convert(raw_value, as_type, source)
+            result = value, source
+        except Exception:  # noqa: BLE001
+            result = None
+        self._cache[cache_key] = result
+        return result
+
+    def __bool__(self) -> bool:
+        return bool(self.has_config_file) and bool(self.has_virtualenv_section)
+
+    @property
+    def epilog(self):
+        return (
+            f"\nconfig file {self.config_file} {self.STATE[self.has_config_file]} "
+            f"(change{'d' if self.is_env_var else ''} via env var {self.VIRTUALENV_CONFIG_FILE_ENV_VAR})"
+        )