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comparison planemo/lib/python3.7/site-packages/virtualenv/activation/via_template.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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0:d30785e31577 1:56ad4e20f292
1 from __future__ import absolute_import, unicode_literals
2
3 import os
4 import sys
5 from abc import ABCMeta, abstractmethod
6
7 from six import add_metaclass
8
9 from virtualenv.util.six import ensure_text
10
11 from .activator import Activator
12
13 if sys.version_info >= (3, 7):
14 from importlib.resources import read_text
15 else:
16 from importlib_resources import read_text
17
18
19 @add_metaclass(ABCMeta)
20 class ViaTemplateActivator(Activator):
21 @abstractmethod
22 def templates(self):
23 raise NotImplementedError
24
25 def generate(self, creator):
26 dest_folder = creator.bin_dir
27 replacements = self.replacements(creator, dest_folder)
28 generated = self._generate(replacements, self.templates(), dest_folder, creator)
29 if self.flag_prompt is not None:
30 creator.pyenv_cfg["prompt"] = self.flag_prompt
31 return generated
32
33 def replacements(self, creator, dest_folder):
34 return {
35 "__VIRTUAL_PROMPT__": "" if self.flag_prompt is None else self.flag_prompt,
36 "__VIRTUAL_ENV__": ensure_text(str(creator.dest)),
37 "__VIRTUAL_NAME__": creator.env_name,
38 "__BIN_NAME__": ensure_text(str(creator.bin_dir.relative_to(creator.dest))),
39 "__PATH_SEP__": ensure_text(os.pathsep),
40 }
41
42 def _generate(self, replacements, templates, to_folder, creator):
43 generated = []
44 for template in templates:
45 text = self.instantiate_template(replacements, template, creator)
46 dest = to_folder / self.as_name(template)
47 dest.write_text(text, encoding="utf-8")
48 generated.append(dest)
49 return generated
50
51 def as_name(self, template):
52 return template.name
53
54 def instantiate_template(self, replacements, template, creator):
55 # read text and do replacements
56 text = read_text(self.__module__, str(template), encoding="utf-8", errors="strict")
57 for key, value in replacements.items():
58 value = self._repr_unicode(creator, value)
59 text = text.replace(key, value)
60 return text
61
62 @staticmethod
63 def _repr_unicode(creator, value):
64 # by default we just let it be unicode
65 return value