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virtualenv: Add activator plugin

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Code from https://github.com/pypa/virtualenv/pull/2040
This commit is contained in:
Daniel Shimon 2021-09-09 02:26:39 +03:00 • committed by Noorhteen Raja NJ
parent 284f794132
commit dfa713c6fc
3 changed files with 60 additions and 0 deletions
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3
setup.py
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@ -324,6 +324,7 @@ def main():
"xonsh.pytest",
"xonsh.lib",
"xonsh.webconfig",
"xonsh.virtualenv",
"xompletions",
],
package_dir={
@ -337,6 +338,7 @@ def main():
"xonsh": ["*.json", "*.githash"],
"xontrib": ["*.xsh"],
"xonsh.lib": ["*.xsh"],
"xonsh.virtualenv": ["*.xsh"],
"xonsh.webconfig": [
"*.html",
"js/app.min.js",
@ -356,6 +358,7 @@ def main():
"xonshcon = xonsh.pyghooks:XonshConsoleLexer",
],
"pytest11": ["xonsh = xonsh.pytest.plugin"],
"virtualenv.activate": ["xonsh = xonsh.virtualenv:XonshActivator"],
"console_scripts": [
"xonsh = xonsh.main:main",
"xonsh-cat = xonsh.xoreutils.cat:main",

11
xonsh/virtualenv/__init__.py Normal file
View file

@ -0,0 +1,11 @@
from virtualenv.util.path import Path
from virtualenv.activation.via_template import ViaTemplateActivator
class XonshActivator(ViaTemplateActivator):
def templates(self):
yield Path("activate.xsh")
@classmethod
def supports(cls, interpreter):
return interpreter.version_info >= (3, 5)

46
xonsh/virtualenv/activate.xsh Normal file
View file

@ -0,0 +1,46 @@
"""Xonsh activate script for virtualenv"""
from xonsh.tools import get_sep as _get_sep
def _deactivate(args):
if "pydoc" in aliases:
del aliases["pydoc"]
if ${...}.get("_OLD_VIRTUAL_PATH", ""):
$PATH = $_OLD_VIRTUAL_PATH
del $_OLD_VIRTUAL_PATH
if ${...}.get("_OLD_VIRTUAL_PYTHONHOME", ""):
$PYTHONHOME = $_OLD_VIRTUAL_PYTHONHOME
del $_OLD_VIRTUAL_PYTHONHOME
if "VIRTUAL_ENV" in ${...}:
del $VIRTUAL_ENV
if "VIRTUAL_ENV_PROMPT" in ${...}:
del $VIRTUAL_ENV_PROMPT
if "nondestructive" not in args:
# Self destruct!
del aliases["deactivate"]
# unset irrelevant variables
_deactivate(["nondestructive"])
aliases["deactivate"] = _deactivate
$VIRTUAL_ENV = r"__VIRTUAL_ENV__"
$_OLD_VIRTUAL_PATH = $PATH
$PATH = $PATH[:]
$PATH.add($VIRTUAL_ENV + _get_sep() + "__BIN_NAME__", front=True, replace=True)
if ${...}.get("PYTHONHOME", ""):
# unset PYTHONHOME if set
$_OLD_VIRTUAL_PYTHONHOME = $PYTHONHOME
del $PYTHONHOME
$VIRTUAL_ENV_PROMPT = "__VIRTUAL_PROMPT__"
if not $VIRTUAL_ENV_PROMPT:
del $VIRTUAL_ENV_PROMPT
aliases["pydoc"] = ["python", "-m", "pydoc"]