Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/virtualenv/activation/via_template.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/virtualenv/activation/via_template.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,67 @@ +from __future__ import absolute_import, unicode_literals + +import os +import sys +from abc import ABCMeta, abstractmethod + +from six import add_metaclass + +from virtualenv.util.six import ensure_text + +from .activator import Activator + +if sys.version_info >= (3, 7): + from importlib.resources import read_binary +else: + from importlib_resources import read_binary + + +@add_metaclass(ABCMeta) +class ViaTemplateActivator(Activator): + @abstractmethod + def templates(self): + raise NotImplementedError + + def generate(self, creator): + dest_folder = creator.bin_dir + replacements = self.replacements(creator, dest_folder) + generated = self._generate(replacements, self.templates(), dest_folder, creator) + if self.flag_prompt is not None: + creator.pyenv_cfg["prompt"] = self.flag_prompt + return generated + + def replacements(self, creator, dest_folder): + return { + "__VIRTUAL_PROMPT__": "" if self.flag_prompt is None else self.flag_prompt, + "__VIRTUAL_ENV__": ensure_text(str(creator.dest)), + "__VIRTUAL_NAME__": creator.env_name, + "__BIN_NAME__": ensure_text(str(creator.bin_dir.relative_to(creator.dest))), + "__PATH_SEP__": ensure_text(os.pathsep), + } + + def _generate(self, replacements, templates, to_folder, creator): + generated = [] + for template in templates: + text = self.instantiate_template(replacements, template, creator) + dest = to_folder / self.as_name(template) + # use write_bytes to avoid platform specific line normalization (\n -> \r\n) + dest.write_bytes(text.encode("utf-8")) + generated.append(dest) + return generated + + def as_name(self, template): + return template.name + + def instantiate_template(self, replacements, template, creator): + # read content as binary to avoid platform specific line normalization (\n -> \r\n) + binary = read_binary(self.__module__, str(template)) + text = binary.decode("utf-8", errors="strict") + for key, value in replacements.items(): + value = self._repr_unicode(creator, value) + text = text.replace(key, value) + return text + + @staticmethod + def _repr_unicode(creator, value): + # by default we just let it be unicode + return value