mirror of https://github.com/sgoudham/Enso-Bot.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
from __future__ import absolute_import, unicode_literals
|
|
|
|
import logging
|
|
import os
|
|
|
|
from appdirs 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):
|
|
config_file = os.environ.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(
|
|
os.linesep,
|
|
self.config_file,
|
|
self.STATE[self.has_config_file],
|
|
"d" if self.is_env_var else "",
|
|
self.VIRTUALENV_CONFIG_FILE_ENV_VAR,
|
|
)
|