D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
opt
/
alt
/
python37
/
lib
/
python3.7
/
site-packages
/
virtualenv
/
config
/
Filename :
ini.py
back
Copy
from __future__ import absolute_import, unicode_literals import logging import os from platformdirs import user_config_dir from virtualenv.info import PY3 from virtualenv.util import ConfigParser from virtualenv.util.path import Path from virtualenv.util.six import ensure_str from .convert import convert class IniConfig(object): VIRTUALENV_CONFIG_FILE_ENV_VAR = ensure_str("VIRTUALENV_CONFIG_FILE") STATE = {None: "failed to parse", True: "active", False: "missing"} section = "virtualenv" def __init__(self, env=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 config_file = ( Path(config_file) if config_file is not None else Path(user_config_dir(appname="virtualenv", appauthor="pypa")) / "virtualenv.ini" ) 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.ConfigParser() try: self._load() self.has_virtualenv_section = self.config_parser.has_section(self.section) except Exception as exc: 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") as file_handler: reader = getattr(self.config_parser, "read_file" if PY3 else "readfp") reader(file_handler) def get(self, key, as_type): cache_key = key, as_type if cache_key in self._cache: return self._cache[cache_key] # noinspection PyBroadException 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: result = None self._cache[cache_key] = result return result def __bool__(self): return bool(self.has_config_file) and bool(self.has_virtualenv_section) @property def epilog(self): msg = "{}config file {} {} (change{} via env var {})" return msg.format( "\n", self.config_file, self.STATE[self.has_config_file], "d" if self.is_env_var else "", self.VIRTUALENV_CONFIG_FILE_ENV_VAR, )