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35 lines
891 B
Python
35 lines
891 B
Python
import os.path
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import site
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import sys
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def running_under_virtualenv():
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# type: () -> bool
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"""
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Return True if we're running inside a virtualenv, False otherwise.
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"""
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if hasattr(sys, 'real_prefix'):
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# pypa/virtualenv case
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return True
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elif sys.prefix != getattr(sys, "base_prefix", sys.prefix):
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# PEP 405 venv
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return True
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return False
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def virtualenv_no_global():
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# type: () -> bool
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"""
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Return True if in a venv and no system site packages.
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"""
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# this mirrors the logic in virtualenv.py for locating the
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# no-global-site-packages.txt file
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site_mod_dir = os.path.dirname(os.path.abspath(site.__file__))
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no_global_file = os.path.join(site_mod_dir, 'no-global-site-packages.txt')
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if running_under_virtualenv() and os.path.isfile(no_global_file):
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return True
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else:
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return False
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