blob: ac33cf84104b232d06e8c6bf8ca95d65399cf23c [file] [log] [blame]
#!/usr/bin/env vpython
# Copyright 2017 The LUCI Authors. All rights reserved.
# Use of this source code is governed under the Apache License, Version 2.0
# that can be found in the LICENSE file.
"""Tool to interact with recipe repositories.
This tool operates on the nearest ancestor directory containing an
# Hacks!
# Hack 0 (sorta); gevent.monkey patch the world before any other code runs.
import gevent.monkey
# Hack 1; Change default encoding.
# This is necessary to ensure that str literals are by-default assumed to hold
# utf-8. It also makes the implicit str(unicode(...)) act like
# unicode(...).encode('utf-8'), rather than unicode(...).encode('ascii') .
import sys
# Hack 2; Lookup all available codecs (
def _hack_lookup_codecs():
import encodings
import pkgutil
import codecs
for _, name, _ in pkgutil.iter_modules(encodings.__path__):
if name in ('aliases', 'mbcs'):
del _hack_lookup_codecs
# pylint: disable=wrong-import-position
import os
import urllib3.contrib.pyopenssl
ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, ROOT_DIR)
from recipe_engine.internal.commands import parse_and_run
def _strip_virtualenv():
# Prune all evidence of VPython/VirtualEnv out of the environment. This means
# that recipe engine 'unwraps' vpython VirtualEnv path/env manipulation.
# Invocations of `python` from recipes should never inherit the recipe
# engine's own VirtualEnv.
# Set by VirtualEnv, no need to keep it.
os.environ.pop('VIRTUAL_ENV', None)
# Set by VPython, if recipes want it back they have to set it explicitly.
os.environ.pop('PYTHONNOUSERSITE', None)
# Look for "" in this path, which is installed by VirtualEnv.
# This mechanism is used by vpython as well to sanitize VirtualEnvs from
# $PATH.
os.environ['PATH'] = os.pathsep.join([
p for p in os.environ.get('PATH', '').split(os.pathsep)
if not os.path.isfile(os.path.join(p, ''))
def _main():
# Use os._exit instead of sys.exit to prevent the python interpreter from
# hanging on threads/processes which may have been spawned and not reaped
# (e.g. by a leaky test harness).
exit_fn = os._exit # pylint: disable=protected-access
ret = parse_and_run()
except Exception as exc: # pylint: disable=broad-except
import traceback
print >> sys.stderr, 'Uncaught exception (%s): %s' % (
type(exc).__name__, exc)
if not isinstance(ret, int):
if ret is None:
ret = 0
print >> sys.stderr, ret
ret = 1
if __name__ == '__main__':