Don't assume the user's environment in mach_bootstrap.

On Windows with multiple Pythons installed, this was causing python2.7
to bootstrap a 3.7 virtualenv that it couldn't make use of.

PIP_NAMES wasn't used at all, and VIRTUALENV_NAMES ends up being unused
now.
This commit is contained in:
TheGoddessInari 2019-03-25 21:33:28 -07:00 committed by Josh Matthews
parent 9de3781678
commit 44162ceafb

View file

@ -78,14 +78,7 @@ CATEGORIES = {
# Possible names of executables
# NOTE: Windows Python doesn't provide versioned executables, so we must use
# the plain names. On MSYS, we still use Windows Python.
if sys.platform in ['msys', 'win32']:
PYTHON_NAMES = ["python"]
VIRTUALENV_NAMES = ["virtualenv"]
PIP_NAMES = ["pip"]
else:
PYTHON_NAMES = ["python-2.7", "python2.7", "python2", "python"]
VIRTUALENV_NAMES = ["virtualenv-2.7", "virtualenv2.7", "virtualenv2", "virtualenv"]
PIP_NAMES = ["pip-2.7", "pip2.7", "pip2", "pip"]
PYTHON_NAMES = ["python-2.7", "python2.7", "python2", "python"]
def _get_exec_path(names, is_valid_path=lambda _path: True):
@ -154,7 +147,7 @@ def wptserve_path(is_firefox, topdir, *paths):
def _activate_virtualenv(topdir, is_firefox):
virtualenv_path = os.path.join(topdir, "python", "_virtualenv")
check_exec_path = lambda path: path.startswith(virtualenv_path)
python = _get_exec_path(PYTHON_NAMES) # If there was no python, mach wouldn't have run at all!
python = sys.executable # If there was no python, mach wouldn't have run at all!
if not python:
sys.exit('Failed to find python executable for starting virtualenv.')
@ -162,11 +155,13 @@ def _activate_virtualenv(topdir, is_firefox):
activate_path = os.path.join(virtualenv_path, script_dir, "activate_this.py")
need_pip_upgrade = False
if not (os.path.exists(virtualenv_path) and os.path.exists(activate_path)):
virtualenv = _get_exec_path(VIRTUALENV_NAMES)
if not virtualenv:
import imp
try:
imp.find_module('virtualenv')
except ImportError:
sys.exit("Python virtualenv is not installed. Please install it prior to running mach.")
_process_exec([virtualenv, "-p", python, "--system-site-packages", virtualenv_path])
_process_exec([python, "-m", "virtualenv", "-p", python, "--system-site-packages", virtualenv_path])
# We want to upgrade pip when virtualenv created for the first time
need_pip_upgrade = True