Mercurial > repos > guerler > hhblits
diff bin/activate_this.py @ 0:9e54283cc701 draft
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author | guerler |
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date | Mon, 27 Jul 2020 03:47:31 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bin/activate_this.py Mon Jul 27 03:47:31 2020 -0400 @@ -0,0 +1,32 @@ +# -*- coding: utf-8 -*- +"""Activate virtualenv for current interpreter: + +Use exec(open(this_file).read(), {'__file__': this_file}). + +This can be used when you must use an existing Python interpreter, not the virtualenv bin/python. +""" +import os +import site +import sys + +try: + abs_file = os.path.abspath(__file__) +except NameError: + raise AssertionError("You must use exec(open(this_file).read(), {'__file__': this_file}))") + +bin_dir = os.path.dirname(abs_file) +base = bin_dir[: -len("bin") - 1] # strip away the bin part from the __file__, plus the path separator + +# prepend bin to PATH (this file is inside the bin directory) +os.environ["PATH"] = os.pathsep.join([bin_dir] + os.environ.get("PATH", "").split(os.pathsep)) +os.environ["VIRTUAL_ENV"] = base # virtual env is right above bin directory + +# add the virtual environments libraries to the host python import mechanism +prev_length = len(sys.path) +for lib in "../lib/python3.8/site-packages".split(os.pathsep): + path = os.path.realpath(os.path.join(bin_dir, lib)) + site.addsitedir(path.decode("utf-8") if "" else path) +sys.path[:] = sys.path[prev_length:] + sys.path[0:prev_length] + +sys.real_prefix = sys.prefix +sys.prefix = base