deb-python-autobahn/examples/run-all-examples.py
Tobias Oberstein a1bf3fd7c8 fix pep8
2015-09-05 12:30:52 +02:00

237 lines
7.1 KiB
Python
Executable File

#!/usr/bin/env python
from __future__ import print_function
# this is mostly for testing that the examples run without errors
#
# To use this script:
#
# 0. change to this directory
# 1. be in an activated Python2 virtual-env with crossbar installed
# 2. pip install colorama
# 3. have a virtualenv called ./venv-py3 using a Python3
# interpreter with crossbar (or just Autobahn) installed.
#
# ...then just run this script; it colors the output and runs each
# frontend/backend pair for a few seconds.
import sys
from os import environ
from os.path import join, exists
import colorama
from colorama import Fore
from twisted.internet.protocol import ProcessProtocol
from twisted.internet.defer import inlineCallbacks, Deferred, returnValue
from twisted.internet.error import ProcessExitedAlready
from twisted.internet import reactor
from twisted.internet.task import react
from autobahn.twisted.util import sleep
class CrossbarProcessProtocol(ProcessProtocol):
"""
A helper to talk to a crossbar instance we've launched.
"""
def __init__(self, all_done, launched, color=None, prefix=''):
"""
:param all_done: Deferred that gets callback() when our process exits (.errback if it exits non-zero)
:param launched: Deferred that gets callback() when our process starts.
"""
self.all_done = all_done
self.launched = launched
self.color = color or ''
self.prefix = prefix
self._out = ''
self._err = ''
def connectionMade(self):
"""ProcessProtocol override"""
if not self.launched.called:
self.launched.callback(self)
def outReceived(self, data):
"""ProcessProtocol override"""
self._out += data.decode('utf8')
while '\n' in self._out:
idx = self._out.find('\n')
line = self._out[:idx]
self._out = self._out[idx + 1:]
sys.stdout.write(self.prefix + self.color + line + Fore.RESET + '\n')
def errReceived(self, data):
"""ProcessProtocol override"""
self._err += data.decode('utf8')
while '\n' in self._err:
idx = self._err.find('\n')
line = self._err[:idx]
self._err = self._err[idx + 1:]
sys.stderr.write(self.prefix + self.color + line + Fore.RESET + '\n')
def processEnded(self, reason):
"""IProcessProtocol API"""
# reason.value should always be a ProcessTerminated instance
fail = reason.value
# print('processEnded', fail)
if fail.exitCode != 0 and fail.exitCode is not None:
msg = 'Process exited with code "{}".'.format(fail.exitCode)
err = RuntimeError(msg)
self.all_done.errback(err)
if not self.launched.called:
self.launched.errback(err)
else:
self.all_done.callback(fail)
if not self.launched.called:
print("FIXME: _launched should have been callbacked by now.")
self.launched.callback(self)
@inlineCallbacks
def start_crossbar():
finished = Deferred()
launched = Deferred()
protocol = CrossbarProcessProtocol(finished, launched, Fore.RED)
exe = 'crossbar'
args = [exe, 'start', '--cbdir', './router/.crossbar']
env = environ.copy()
env["PYTHONUNBUFFERED"] = "1"
reactor.spawnProcess(protocol, exe, args, path='.', env=env)
yield launched
returnValue(protocol)
@inlineCallbacks
def start_example(py_fname, color, prefix='', exe=sys.executable):
finished = Deferred()
launched = Deferred()
protocol = CrossbarProcessProtocol(finished, launched, color, prefix)
args = [exe, py_fname]
env = environ.copy()
env["PYTHONUNBUFFERED"] = "1"
reactor.spawnProcess(protocol, exe, args, path='.', env=env)
yield launched
returnValue(protocol)
def print_banner(title):
print('-' * 80)
print(title)
print('-' * 80)
print()
@inlineCallbacks
def main(reactor):
colorama.init()
examples = [
'./twisted/wamp/overview',
'./twisted/wamp/pubsub/basic/',
'./twisted/wamp/pubsub/complex/',
'./twisted/wamp/pubsub/decorators/',
'./twisted/wamp/pubsub/options/',
'./twisted/wamp/pubsub/tls/',
'./twisted/wamp/pubsub/unsubscribe/',
'./twisted/wamp/rpc/timeservice/',
'./twisted/wamp/rpc/slowsquare/',
'./twisted/wamp/rpc/progress/',
'./twisted/wamp/rpc/options/',
'./twisted/wamp/rpc/errors/',
'./twisted/wamp/rpc/decorators/',
'./twisted/wamp/rpc/complex/',
'./twisted/wamp/rpc/arguments/',
'py3 ./asyncio/wamp/overview',
'py3 ./asyncio/wamp/pubsub/unsubscribe/',
'py3 ./asyncio/wamp/pubsub/tls/',
'py3 ./asyncio/wamp/pubsub/options/',
'py3 ./asyncio/wamp/pubsub/decorators/',
'py3 ./asyncio/wamp/pubsub/complex/',
'py3 ./asyncio/wamp/pubsub/basic/',
'py3 ./asyncio/wamp/rpc/timeservice/',
'py3 ./asyncio/wamp/rpc/slowsquare/',
'py3 ./asyncio/wamp/rpc/progress/',
'py3 ./asyncio/wamp/rpc/options/',
'py3 ./asyncio/wamp/rpc/errors/',
'py3 ./asyncio/wamp/rpc/decorators/',
'py3 ./asyncio/wamp/rpc/complex/',
'py3 ./asyncio/wamp/rpc/arguments/',
]
print_banner("Running crossbar.io instance")
cb_proto = yield start_crossbar()
yield sleep(2) # wait for sockets to be listening
if cb_proto.all_done.called:
raise RuntimeError("crossbar exited already")
success = True
for exdir in examples:
py = sys.executable
if exdir.startswith('py3 '):
exdir = exdir[4:]
if sys.version_info.major < 3:
print("don't have python3, skipping:", exdir)
continue
frontend = join(exdir, 'frontend.py')
backend = join(exdir, 'backend.py')
if not exists(frontend) or not exists(backend):
print("skipping:", exdir, exists(frontend), exists(backend))
continue
print_banner("Running example: " + exdir)
print(" starting backend")
back_proto = yield start_example(backend, Fore.BLUE, ' backend: ', exe=py)
yield sleep(1)
print(" starting frontend")
front_proto = yield start_example(frontend, Fore.YELLOW, 'frontend: ', exe=py)
yield sleep(3)
for p in [back_proto, front_proto]:
try:
if p.all_done.called:
yield p.all_done
except Exception as e:
print("FAILED:", e)
success = False
for p in [front_proto, back_proto]:
try:
p.transport.signalProcess('KILL')
except ProcessExitedAlready:
pass
if not success:
break
yield sleep(1)
print("Killing crossbar")
try:
cb_proto.transport.signalProcess('KILL')
yield cb_proto.all_done
except:
pass
if success:
print()
print("Success!")
print(" ...all the examples neither crashed nor burned...")
returnValue(0)
returnValue(5)
if __name__ == '__main__':
sys.exit(react(main))