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from __future__ import absolute_import, unicode_literals
import logging
class PyEnvCfg(object):
def __init__(self, content, path):
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 {}
return PyEnvCfg(content, path)
@staticmethod
def _read_values(path):
content = {}
for line in path.read_text().splitlines():
equals_at = line.index("=")
key = line[:equals_at].strip()
value = line[equals_at + 1 :].strip()
content[key] = value
return content
def write(self):
with open(str(self.path), "wt") as file_handler:
logging.debug("write %s", self.path)
for key, value in self.content.items():
line = "{} = {}".format(key, value)
logging.debug("\t%s", line)
file_handler.write(line)
file_handler.write("\n")
def refresh(self):
self.content = self._read_values(self.path)
return self.content
def __setitem__(self, key, value):
self.content[key] = value
def __getitem__(self, key):
return self.content[key]
def __contains__(self, item):
return item in self.content
def update(self, other):
self.content.update(other)
return self
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