Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/virtualenv/config/env_var.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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1 from __future__ import absolute_import, unicode_literals
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3 import os
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5 from virtualenv.util.six import ensure_str, ensure_text
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7 from .convert import convert
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10 def get_env_var(key, as_type):
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11 """Get the environment variable option.
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12
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13 :param key: the config key requested
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14 :param as_type: the type we would like to convert it to
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15 :return:
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16 """
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17 environ_key = ensure_str("VIRTUALENV_{}".format(key.upper()))
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18 if os.environ.get(environ_key):
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19 value = os.environ[environ_key]
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20 # noinspection PyBroadException
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21 try:
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22 source = "env var {}".format(ensure_text(environ_key))
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23 as_type = convert(value, as_type, source)
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24 return as_type, source
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25 except Exception: # note the converter already logs a warning when failures happen
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26 pass
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29 __all__ = ("get_env_var",)