Mercurial > repos > guerler > springsuite
comparison planemo/lib/python3.7/site-packages/pip/_internal/utils/virtualenv.py @ 1:56ad4e20f292 draft
"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
| author | guerler |
|---|---|
| date | Fri, 31 Jul 2020 00:32:28 -0400 |
| parents | |
| children |
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| 0:d30785e31577 | 1:56ad4e20f292 |
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| 1 import os.path | |
| 2 import site | |
| 3 import sys | |
| 4 | |
| 5 | |
| 6 def running_under_virtualenv(): | |
| 7 # type: () -> bool | |
| 8 """ | |
| 9 Return True if we're running inside a virtualenv, False otherwise. | |
| 10 | |
| 11 """ | |
| 12 if hasattr(sys, 'real_prefix'): | |
| 13 # pypa/virtualenv case | |
| 14 return True | |
| 15 elif sys.prefix != getattr(sys, "base_prefix", sys.prefix): | |
| 16 # PEP 405 venv | |
| 17 return True | |
| 18 | |
| 19 return False | |
| 20 | |
| 21 | |
| 22 def virtualenv_no_global(): | |
| 23 # type: () -> bool | |
| 24 """ | |
| 25 Return True if in a venv and no system site packages. | |
| 26 """ | |
| 27 # this mirrors the logic in virtualenv.py for locating the | |
| 28 # no-global-site-packages.txt file | |
| 29 site_mod_dir = os.path.dirname(os.path.abspath(site.__file__)) | |
| 30 no_global_file = os.path.join(site_mod_dir, 'no-global-site-packages.txt') | |
| 31 if running_under_virtualenv() and os.path.isfile(no_global_file): | |
| 32 return True | |
| 33 else: | |
| 34 return False |