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from __future__ import annotations
import logging
import os
from collections import OrderedDict
LOGGER = logging.getLogger(__name__)
class PyEnvCfg:
def __init__(self, content, path) -> None:
self.content = content
self.path = path
@classmethod
def from_folder(cls, folder):
return cls.from_file(folder / "pyvenv.cfg")
@classmethod
def from_file(cls, path):
content = cls._read_values(path) if path.exists() else OrderedDict()
return PyEnvCfg(content, path)
@staticmethod
def _read_values(path):
content = OrderedDict()
for line in path.read_text(encoding="utf-8").splitlines():
equals_at = line.index("=")
key = line[:equals_at].strip()
value = line[equals_at + 1 :].strip()
content[key] = value
return content
def write(self):
LOGGER.debug("write %s", self.path)
text = ""
for key, value in self.content.items():
normalized_value = os.path.realpath(value) if value and os.path.exists(value) else value
line = f"{key} = {normalized_value}"
LOGGER.debug("\t%s", line)
text += line
text += "\n"
self.path.write_text(text, encoding="utf-8")
def refresh(self):
self.content = self._read_values(self.path)
return self.content
def __setitem__(self, key, value) -> None:
self.content[key] = value
def __getitem__(self, key):
return self.content[key]
def __contains__(self, item) -> bool:
return item in self.content
def update(self, other):
self.content.update(other)
return self
def __repr__(self) -> str:
return f"{self.__class__.__name__}(path={self.path})"
__all__ = [
"PyEnvCfg",
]