37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
"""
|
|
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.
|
|
""" # noqa: D415
|
|
from __future__ import annotations
|
|
|
|
import os
|
|
import site
|
|
import sys
|
|
|
|
try:
|
|
abs_file = os.path.abspath(__file__)
|
|
except NameError as exc:
|
|
msg = "You must use exec(open(this_file).read(), {'__file__': this_file})"
|
|
raise AssertionError(msg) from exc
|
|
|
|
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
|
|
os.environ["VIRTUAL_ENV_PROMPT"] = "" or os.path.basename(base) # noqa: SIM222
|
|
|
|
# add the virtual environments libraries to the host python import mechanism
|
|
prev_length = len(sys.path)
|
|
for lib in "../lib/python3.11/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
|