def main():
# Required so PDB prompts work properly. Originally tried to disable buffering
# (both by adding the -u flag when starting this process and by adding
# "stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)" but neither worked).
sys.stdout = AutoFlush(sys.stdout)
assert len(sys.argv) == 3
child_in_path = sys.argv[1]
child_out_path = sys.argv[2]
config = runtime_config_pb2.Config()
config.ParseFromString(open(child_in_path, 'rb').read())
os.remove(child_in_path)
child_out = open(child_out_path, 'wb')
debugging_app = None
if config.python_config and config.python_config.startup_script:
global_vars = {'config': config}
try:
exec(
compile(
open(config.python_config.startup_script).read(),
config.python_config.startup_script, 'exec'), global_vars)
except Exception as e:
debugging_app = StartupScriptFailureApplication(
config, str(e), traceback.format_exc())
if debugging_app:
server = wsgi_server.WsgiServer(('localhost', 0), debugging_app)
else:
setup_stubs(config)
sandbox.enable_sandbox(config)
# This import needs to be after enabling the sandbox so the runtime
# implementation imports the sandboxed version of the logging module.
from google.appengine.tools.devappserver2.python import request_handler
server = wsgi_server.WsgiServer(
('localhost', 0),
request_rewriter.runtime_rewriter_middleware(
request_handler.RequestHandler(config)))
server.start()
child_out.write('{}\n'.format(server.port).encode())
child_out.close()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
pass
finally:
server.quit()
# This line needs to be before enabling the sandbox because os.environ is
# patched away.
port = os.environ['PORT']
if debugging_app:
server = wsgi_server.WsgiServer(
('localhost', port),
debugging_app)
else:
setup_stubs(config)
sandbox.enable_sandbox(config)
# This import needs to be after enabling the sandbox so the runtime
# implementation imports the sandboxed version of the logging module.
from google.appengine.tools.devappserver2.python import request_handler
server = wsgi_server.WsgiServer(
('localhost', port),
request_rewriter.runtime_rewriter_middleware(
request_handler.RequestHandler(config)))
server.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
pass
finally:
server.quit()
if __name__ == '__main__':
main()