Mercurial > repos > guerler > hhblits
comparison 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 |
| parents | |
| children |
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| -1:000000000000 | 0:9e54283cc701 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 """Activate virtualenv for current interpreter: | |
| 3 | |
| 4 Use exec(open(this_file).read(), {'__file__': this_file}). | |
| 5 | |
| 6 This can be used when you must use an existing Python interpreter, not the virtualenv bin/python. | |
| 7 """ | |
| 8 import os | |
| 9 import site | |
| 10 import sys | |
| 11 | |
| 12 try: | |
| 13 abs_file = os.path.abspath(__file__) | |
| 14 except NameError: | |
| 15 raise AssertionError("You must use exec(open(this_file).read(), {'__file__': this_file}))") | |
| 16 | |
| 17 bin_dir = os.path.dirname(abs_file) | |
| 18 base = bin_dir[: -len("bin") - 1] # strip away the bin part from the __file__, plus the path separator | |
| 19 | |
| 20 # prepend bin to PATH (this file is inside the bin directory) | |
| 21 os.environ["PATH"] = os.pathsep.join([bin_dir] + os.environ.get("PATH", "").split(os.pathsep)) | |
| 22 os.environ["VIRTUAL_ENV"] = base # virtual env is right above bin directory | |
| 23 | |
| 24 # add the virtual environments libraries to the host python import mechanism | |
| 25 prev_length = len(sys.path) | |
| 26 for lib in "../lib/python3.8/site-packages".split(os.pathsep): | |
| 27 path = os.path.realpath(os.path.join(bin_dir, lib)) | |
| 28 site.addsitedir(path.decode("utf-8") if "" else path) | |
| 29 sys.path[:] = sys.path[prev_length:] + sys.path[0:prev_length] | |
| 30 | |
| 31 sys.real_prefix = sys.prefix | |
| 32 sys.prefix = base |