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2b414ea May 1, 2016
@kennethreitz @oblalex @jhorneman @jolleon
110 lines (82 sloc) 3.38 KB
# -*- coding: utf-8 -*-
from werkzeug.routing import Map, Rule
from werkzeug.exceptions import NotFound
def log_request(self):
log = self.server.log
if log:
if hasattr(log, 'info'):
log.info(self.format_request() + '\n')
else:
log.write(self.format_request() + '\n')
# Monkeys are made for freedom.
try:
import gevent
from geventwebsocket.gunicorn.workers import GeventWebSocketWorker as Worker
except ImportError:
pass
if 'gevent' in locals():
# Freedom-Patch logger for Gunicorn.
if hasattr(gevent, 'pywsgi'):
gevent.pywsgi.WSGIHandler.log_request = log_request
class SocketMiddleware(object):
def __init__(self, wsgi_app, app, socket):
self.ws = socket
self.app = app
self.wsgi_app = wsgi_app
def __call__(self, environ, start_response):
adapter = self.ws.url_map.bind_to_environ(environ)
try:
handler, values = adapter.match()
environment = environ['wsgi.websocket']
with self.app.app_context():
with self.app.request_context(environ):
handler(environment, **values)
return []
except (NotFound, KeyError):
return self.wsgi_app(environ, start_response)
class Sockets(object):
def __init__(self, app=None):
#: Compatibility with 'Flask' application.
#: The :class:`~werkzeug.routing.Map` for this instance. You can use
#: this to change the routing converters after the class was created
#: but before any routes are connected.
self.url_map = Map()
#: Compatibility with 'Flask' application.
#: All the attached blueprints in a dictionary by name. Blueprints
#: can be attached multiple times so this dictionary does not tell
#: you how often they got attached.
self.blueprints = {}
self._blueprint_order = []
if app:
self.init_app(app)
def init_app(self, app):
app.wsgi_app = SocketMiddleware(app.wsgi_app, app, self)
def route(self, rule, **options):
def decorator(f):
endpoint = options.pop('endpoint', None)
self.add_url_rule(rule, endpoint, f, **options)
return f
return decorator
def add_url_rule(self, rule, _, f, **options):
self.url_map.add(Rule(rule, endpoint=f))
def register_blueprint(self, blueprint, **options):
"""
Registers a blueprint for web sockets like for 'Flask' application.
Decorator :meth:`~flask.app.setupmethod` is not applied, because it
requires ``debug`` and ``_got_first_request`` attributes to be defined.
"""
first_registration = False
if blueprint.name in self.blueprints:
assert self.blueprints[blueprint.name] is blueprint, (
'A blueprint\'s name collision occurred between %r and '
'%r. Both share the same name "%s". Blueprints that '
'are created on the fly need unique names.'
% (blueprint, self.blueprints[blueprint.name], blueprint.name))
else:
self.blueprints[blueprint.name] = blueprint
self._blueprint_order.append(blueprint)
first_registration = True
blueprint.register(self, options, first_registration)
# CLI sugar.
if 'Worker' in locals():
worker = Worker