annotate env/lib/python3.7/site-packages/virtualenv/pyenv_cfg.py @ 3:758bc20232e8 draft

"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from __future__ import absolute_import, unicode_literals
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2
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3 import logging
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4 from collections import OrderedDict
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5
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6 from virtualenv.util.six import ensure_text
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7
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8
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9 class PyEnvCfg(object):
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10 def __init__(self, content, path):
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11 self.content = content
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12 self.path = path
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13
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14 @classmethod
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15 def from_folder(cls, folder):
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16 return cls.from_file(folder / "pyvenv.cfg")
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17
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18 @classmethod
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19 def from_file(cls, path):
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20 content = cls._read_values(path) if path.exists() else OrderedDict()
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21 return PyEnvCfg(content, path)
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22
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23 @staticmethod
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24 def _read_values(path):
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25 content = OrderedDict()
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26 for line in path.read_text(encoding="utf-8").splitlines():
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27 equals_at = line.index("=")
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28 key = line[:equals_at].strip()
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29 value = line[equals_at + 1 :].strip()
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30 content[key] = value
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31 return content
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32
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33 def write(self):
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34 logging.debug("write %s", ensure_text(str(self.path)))
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35 text = ""
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36 for key, value in self.content.items():
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37 line = "{} = {}".format(key, value)
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38 logging.debug("\t%s", line)
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39 text += line
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40 text += "\n"
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41 self.path.write_text(text, encoding="utf-8")
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42
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43 def refresh(self):
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44 self.content = self._read_values(self.path)
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45 return self.content
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46
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47 def __setitem__(self, key, value):
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48 self.content[key] = value
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49
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50 def __getitem__(self, key):
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51 return self.content[key]
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52
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53 def __contains__(self, item):
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54 return item in self.content
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55
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56 def update(self, other):
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57 self.content.update(other)
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58 return self
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59
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60 def __repr__(self):
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61 return "{}(path={})".format(self.__class__.__name__, self.path)