You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.5 KiB
Python
47 lines
1.5 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.
|
|
"""
|
|
import os
|
|
import site
|
|
import sys
|
|
|
|
try:
|
|
__file__
|
|
except NameError:
|
|
raise AssertionError("You must use exec(open(this_file).read(), {'__file__': this_file}))")
|
|
|
|
# prepend bin to PATH (this file is inside the bin directory)
|
|
bin_dir = os.path.dirname(os.path.abspath(__file__))
|
|
os.environ["PATH"] = os.pathsep.join([bin_dir] + os.environ.get("PATH", "").split(os.pathsep))
|
|
|
|
base = os.path.dirname(bin_dir)
|
|
|
|
# virtual env is right above bin directory
|
|
os.environ["VIRTUAL_ENV"] = base
|
|
|
|
# add the virtual environments site-package to the host python import mechanism
|
|
IS_PYPY = hasattr(sys, "pypy_version_info")
|
|
IS_JYTHON = sys.platform.startswith("java")
|
|
if IS_JYTHON:
|
|
site_packages = os.path.join(base, "Lib", "site-packages")
|
|
elif IS_PYPY:
|
|
site_packages = os.path.join(base, "site-packages")
|
|
else:
|
|
IS_WIN = sys.platform == "win32"
|
|
if IS_WIN:
|
|
site_packages = os.path.join(base, "Lib", "site-packages")
|
|
else:
|
|
site_packages = os.path.join(base, "lib", "python{}".format(sys.version[:3]), "site-packages")
|
|
|
|
prev = set(sys.path)
|
|
site.addsitedir(site_packages)
|
|
sys.real_prefix = sys.prefix
|
|
sys.prefix = base
|
|
|
|
# Move the added items to the front of the path, in place
|
|
new = list(sys.path)
|
|
sys.path[:] = [i for i in new if i not in prev] + [i for i in new if i in prev]
|