60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
# Copyright (c) 2020-202x The virtualenv developers
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""
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Activate virtualenv for current interpreter:
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import runpy
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runpy.run_path(this_file)
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This can be used when you must use an existing Python interpreter, not the virtualenv bin/python.
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""" # noqa: D415
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from __future__ import annotations
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import os
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import site
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import sys
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try:
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abs_file = os.path.abspath(__file__)
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except NameError as exc:
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msg = "You must use import runpy; runpy.run_path(this_file)"
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raise AssertionError(msg) from exc
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bin_dir = os.path.dirname(abs_file)
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base = bin_dir[: -len("bin") - 1] # strip away the bin part from the __file__, plus the path separator
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# prepend bin to PATH (this file is inside the bin directory)
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os.environ["PATH"] = os.pathsep.join([bin_dir, *os.environ.get("PATH", "").split(os.pathsep)])
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os.environ["VIRTUAL_ENV"] = base # virtual env is right above bin directory
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os.environ["VIRTUAL_ENV_PROMPT"] = "" or os.path.basename(base) # noqa: SIM222
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# add the virtual environments libraries to the host python import mechanism
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prev_length = len(sys.path)
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for lib in "../lib/python3.11/site-packages".split(os.pathsep):
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path = os.path.realpath(os.path.join(bin_dir, lib))
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site.addsitedir(path)
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sys.path[:] = sys.path[prev_length:] + sys.path[0:prev_length]
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sys.real_prefix = sys.prefix
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sys.prefix = base
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