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9 commits

Author SHA1 Message Date
Joey Payne
94b5ce7ed3 Added function on wait error. 2016-02-01 16:36:00 -07:00
Joey Payne
2c1e2ed373 Raise error on connection lost. 2016-02-01 16:29:57 -07:00
Joey Payne
c80a2db665 Fixed multiple packets being sent at once causing a json error. 2016-01-27 15:32:52 -07:00
Joey Payne
1748e836bc Ignore code errors. 2016-01-27 14:39:30 -07:00
Joey Payne
7dca8f9ba4 Heartbeat was incorrectly set and resulted in disconnects on certain server implementations. 2016-01-27 12:26:54 -07:00
Joey Payne
8337e7bae6 Possibly fixed unhandled namespace. 2016-01-26 16:35:11 -07:00
Joey Payne
a5f57a7285 Replaced *args with args.
*args caused dictionary packets to get stripped of values and
as a result, keys were only left, which is useless.
2016-01-26 15:11:51 -07:00
Roy Hyunjin Han
8bd6eebe9d Fix typo 2015-06-01 14:32:08 -04:00
Roy Hyunjin Han
b288d89c15 Backport to support requests 0.8.2; fixes #79 2015-06-01 14:17:24 -04:00
21 changed files with 969 additions and 1467 deletions

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@ -7,13 +7,12 @@ before_install:
- sudo apt-get update
- sudo apt-get install nodejs
install:
- npm install -G socket.io
- npm install -G yargs
- npm install -G socket.io@0.9
- pip install -U requests
- pip install -U six
- pip install -U websocket-client
- pip install -U coverage
before_script:
- DEBUG=* node socketIO_client/tests/serve.js &
- node serve-tests.js &
- sleep 3
script: nosetests

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@ -1,22 +1,3 @@
0.6.5
-----
- Updated wait loop to be more responsive under websocket transport
0.6.4
-----
- Fixed support for Python 3
- Fixed thread cleanup
0.6.3
-----
- Upgraded to socket.io protocol 1.x for websocket transport
- Added locks to fix concurrency issues with polling transport
- Fixed SSL support
0.6.1
-----
- Upgraded to socket.io protocol 1.x thanks to Sean Arietta and Joe Palmer
0.5.6
-----
- Backported to support requests 0.8.2

18
LICENSE
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@ -1,19 +1,7 @@
Copyright (c) 2013 Roy Hyunjin Han and contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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@ -1,3 +1,3 @@
recursive-include socketIO_client *
include *.html *.js *.rst
include *.rst
global-exclude *.pyc

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@ -1,4 +1,4 @@
.. image:: https://travis-ci.org/invisibleroads/socketIO-client.svg?branch=master
.. image:: https://travis-ci.org/invisibleroads/socketIO-client.svg?branch=v0.5.4
:target: https://travis-ci.org/invisibleroads/socketIO-client
@ -6,7 +6,7 @@ socketIO-client
===============
Here is a `socket.io <http://socket.io>`_ client library for Python. You can use it to write test code for your socket.io server.
Please note that this version implements `socket.io protocol 1.x <https://github.com/automattic/socket.io-protocol>`_, which is not backwards compatible. If you want to communicate using `socket.io protocol 0.9 <https://github.com/learnboost/socket.io-spec>`_ (which is compatible with `gevent-socketio <https://github.com/abourget/gevent-socketio>`_), please use `socketIO-client 0.5.6 <https://pypi.python.org/pypi/socketIO-client/0.5.6>`_.
Please note that this version implements `socket.io protocol 0.9 <https://github.com/learnboost/socket.io-spec>`_, which is compatible with `gevent-socketio <https://github.com/abourget/gevent-socketio>`_. If you want to communicate using `socket.io protocol 1.x <https://github.com/automattic/socket.io-protocol>`_, please use `socketIO-client 0.6.3 <https://pypi.python.org/pypi/socketIO-client/0.6.3>`_ or higher.
Installation
@ -34,18 +34,12 @@ Activate isolated environment. ::
Launch your socket.io server. ::
# Get package folder
PACKAGE_FOLDER=`python -c "import os, socketIO_client;\
print(os.path.dirname(socketIO_client.__file__))"`
# Start socket.io server
DEBUG=* node $PACKAGE_FOLDER/tests/serve.js
# Start proxy server in a separate terminal on the same machine
DEBUG=* node $PACKAGE_FOLDER/tests/proxy.js
npm install -g socket.io@0.9
node serve-tests.js
For debugging information, run these commands first. ::
import logging
logging.getLogger('requests').setLevel(logging.WARNING)
logging.basicConfig(level=logging.DEBUG)
Emit. ::
@ -61,7 +55,7 @@ Emit with callback. ::
from socketIO_client import SocketIO, LoggingNamespace
def on_bbb_response(*args):
print('on_bbb_response', args)
print 'on_bbb_response', args
with SocketIO('localhost', 8000, LoggingNamespace) as socketIO:
socketIO.emit('bbb', {'xxx': 'yyy'}, on_bbb_response)
@ -72,7 +66,7 @@ Define events. ::
from socketIO_client import SocketIO, LoggingNamespace
def on_aaa_response(*args):
print('on_aaa_response', args)
print 'on_aaa_response', args
socketIO = SocketIO('localhost', 8000, LoggingNamespace)
socketIO.on('aaa_response', on_aaa_response)
@ -86,7 +80,7 @@ Define events in a namespace. ::
class Namespace(BaseNamespace):
def on_aaa_response(self, *args):
print('on_aaa_response', args)
print 'on_aaa_response', args
self.emit('bbb')
socketIO = SocketIO('localhost', 8000, Namespace)
@ -100,7 +94,7 @@ Define standard events. ::
class Namespace(BaseNamespace):
def on_connect(self):
print('[Connected]')
print '[Connected]'
socketIO = SocketIO('localhost', 8000, Namespace)
socketIO.wait(seconds=1)
@ -112,12 +106,12 @@ Define different namespaces on a single socket. ::
class ChatNamespace(BaseNamespace):
def on_aaa_response(self, *args):
print('on_aaa_response', args)
print 'on_aaa_response', args
class NewsNamespace(BaseNamespace):
def on_aaa_response(self, *args):
print('on_aaa_response', args)
print 'on_aaa_response', args
socketIO = SocketIO('localhost', 8000)
chat_namespace = socketIO.define(ChatNamespace, '/chat')
@ -138,8 +132,7 @@ Specify params, headers, cookies, proxies thanks to the `requests <http://python
from socketIO_client import SocketIO
from base64 import b64encode
SocketIO(
localhost', 8000,
SocketIO('localhost', 8000,
params={'q': 'qqq'},
headers={'Authorization': 'Basic ' + b64encode('username:password')},
cookies={'a': 'aaa'},
@ -149,7 +142,7 @@ Wait forever. ::
from socketIO_client import SocketIO
socketIO = SocketIO('localhost', 8000)
socketIO = SocketIO('localhost')
socketIO.wait()
@ -160,11 +153,11 @@ This software is available under the MIT License.
Credits
-------
- `Guillermo Rauch <https://github.com/rauchg>`_ wrote the `socket.io specification <https://github.com/automattic/socket.io-protocol>`_.
- `Guillermo Rauch <https://github.com/rauchg>`_ wrote the `socket.io specification <https://github.com/LearnBoost/socket.io-spec>`_.
- `Hiroki Ohtani <https://github.com/liris>`_ wrote `websocket-client <https://github.com/liris/websocket-client>`_.
- `rod <http://stackoverflow.com/users/370115/rod>`_ wrote a `prototype for a Python client to a socket.io server <http://stackoverflow.com/questions/6692908/formatting-messages-to-send-to-socket-io-node-js-server-from-python-client>`_.
- `Alexandre Bourget <https://github.com/abourget>`_ wrote `gevent-socketio <https://github.com/abourget/gevent-socketio>`_, which is a socket.io server written in Python.
- `Paul Kienzle <https://github.com/pkienzle>`_, `Zac Lee <https://github.com/zratic>`_, `Josh VanderLinden <https://github.com/codekoala>`_, `Ian Fitzpatrick <https://github.com/ifitzpatrick>`_, `Lucas Klein <https://github.com/lukasklein>`_, `Rui Chicoria <https://github.com/rchicoria>`_, `Travis Odom <https://github.com/burstaholic>`_, `Patrick Huber <https://github.com/stackmagic>`_, `Brad Campbell <https://github.com/bradjc>`_, `Daniel <https://github.com/dabidan>`_, `Sean Arietta <https://github.com/sarietta>`_ submitted code to expand support of the socket.io protocol.
- `Bernard Pratz <https://github.com/guyzmo>`_, `Francis Bull <https://github.com/franbull>`_ wrote prototypes to support xhr-polling and jsonp-polling.
- `Eric Chen <https://github.com/taiyangc>`_, `Denis Zinevich <https://github.com/dzinevich>`_, `Thiago Hersan <https://github.com/thiagohersan>`_, `Nayef Copty <https://github.com/nayefc>`_, `Jörgen Karlsson <https://github.com/jorgen-k>`_, `Branden Ghena <https://github.com/brghena>`_, `Tim Landscheidt <https://github.com/scfc>`_, `Matt Porritt <https://github.com/mattporritt>`_ suggested ways to make the connection more robust.
- `Eric Chen <https://github.com/taiyangc>`_, `Denis Zinevich <https://github.com/dzinevich>`_, `Thiago Hersan <https://github.com/thiagohersan>`_, `Nayef Copty <https://github.com/nayefc>`_, `Jörgen Karlsson <https://github.com/jorgen-k>`_, `Branden Ghena <https://github.com/brghena>`_, `Tim Landscheidt <https://github.com/scfc>`_ suggested ways to make the connection more robust.
- `Merlijn van Deen <https://github.com/valhallasw>`_, `Frederic Sureau <https://github.com/fredericsureau>`_, `Marcus Cobden <https://github.com/leth>`_, `Drew Hutchison <https://github.com/drewhutchison>`_, `wuurrd <https://github.com/wuurrd>`_, `Adam Kecer <https://github.com/amfg>`_, `Alex Monk <https://github.com/Krenair>`_, `Vishal P R <https://github.com/vishalwy>`_, `John Vandenberg <https://github.com/jayvdb>`_, `Thomas Grainger <https://github.com/graingert>`_ proposed changes that make the library more friendly and practical for you!

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@ -1,48 +0,0 @@
= Consider supporting both protocols in the same library
https://github.com/invisibleroads/socketIO-client/issues/95
Add binary support
https://github.com/invisibleroads/socketIO-client/pull/85
https://github.com/invisibleroads/socketIO-client/issues/70
https://github.com/invisibleroads/socketIO-client/issues/71
https://github.com/invisibleroads/socketIO-client/issues/91
Check requests dependency
https://github.com/invisibleroads/socketIO-client/issues/92
https://github.com/invisibleroads/socketIO-client/pull/93
https://github.com/invisibleroads/socketIO-client/commit/b288d89c15d452a30bfeb00f38494f59f71f5a43
Check SSL
https://github.com/invisibleroads/socketIO-client/issues/86
https://github.com/invisibleroads/socketIO-client/pull/87
Look into invalid namespace handling
https://github.com/invisibleroads/socketIO-client/issues/84
Check unicode issues
https://github.com/invisibleroads/socketIO-client/issues/81
Check python3 support for socketIO-client 0.5.6
https://github.com/invisibleroads/socketIO-client/issues/83
Check OK assertion
https://github.com/invisibleroads/socketIO-client/issues/99
https://github.com/invisibleroads/socketIO-client/pull/103
Check why connected=True after termination
https://github.com/invisibleroads/socketIO-client/issues/80
https://github.com/invisibleroads/socketIO-client/issues/98
Consider catching heartbeat thread exception
https://github.com/invisibleroads/socketIO-client/issues/100
Check why it blocks when defining a namespace
https://github.com/invisibleroads/socketIO-client/issues/96
Check why transports are not being set
https://github.com/invisibleroads/socketIO-client/issues/102
Look at 404 not found error
https://github.com/invisibleroads/socketIO-client/issues/101
Look at socketio off and socketio once
https://github.com/invisibleroads/socketIO-client/pull/94
Implement rooms
https://github.com/invisibleroads/socketIO-client/issues/72
https://github.com/invisibleroads/socketIO-client/pull/65
Check tests
https://github.com/invisibleroads/socketIO-client/issues/90
Check whether it works on Windows 8
https://github.com/invisibleroads/socketIO-client/issues/97
Add debian packaging support
https://github.com/invisibleroads/socketIO-client/pull/89
+ Review issues and pull requests
+ Order issues

79
serve-tests.js Normal file
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@ -0,0 +1,79 @@
var io = require('socket.io').listen(8000);
var main = io.of('').on('connection', function(socket) {
socket.on('message', function(data, fn) {
if (fn) { // Client expects a callback
if (data) {
fn(data);
} else {
fn();
}
} else if (typeof data === 'object') {
socket.json.send(data ? data : 'message_response'); // object or null
} else {
socket.send(data ? data : 'message_response'); // string or ''
}
});
socket.on('emit', function() {
socket.emit('emit_response');
});
socket.on('emit_with_payload', function(payload) {
socket.emit('emit_with_payload_response', payload);
});
socket.on('emit_with_multiple_payloads', function(payload, payload) {
socket.emit('emit_with_multiple_payloads_response', payload, payload);
});
socket.on('emit_with_callback', function(fn) {
fn();
});
socket.on('emit_with_callback_with_payload', function(fn) {
fn(PAYLOAD);
});
socket.on('emit_with_callback_with_multiple_payloads', function(fn) {
fn(PAYLOAD, PAYLOAD);
});
socket.on('emit_with_event', function(payload) {
socket.emit('emit_with_event_response', payload);
});
socket.on('ack', function(payload) {
socket.emit('ack_response', payload, function(payload) {
socket.emit('ack_callback_response', payload);
});
});
socket.on('aaa', function() {
socket.emit('aaa_response', PAYLOAD);
});
socket.on('bbb', function(payload, fn) {
if (fn) {
fn(payload);
}
});
socket.on('wait_with_disconnect', function() {
socket.emit('wait_with_disconnect_response');
});
});
var chat = io.of('/chat').on('connection', function (socket) {
socket.on('emit_with_payload', function(payload) {
socket.emit('emit_with_payload_response', payload);
});
socket.on('aaa', function() {
socket.emit('aaa_response', 'in chat');
});
socket.on('ack', function(payload) {
socket.emit('ack_response', payload, function(payload) {
socket.emit('ack_callback_response', payload);
});
});
});
var news = io.of('/news').on('connection', function (socket) {
socket.on('emit_with_payload', function(payload) {
socket.emit('emit_with_payload_response', payload);
});
socket.on('aaa', function() {
socket.emit('aaa_response', 'in news');
});
});
var PAYLOAD = {'xxx': 'yyy'};

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@ -1,38 +1,32 @@
import io
from os.path import abspath, dirname, join
from setuptools import find_packages, setup
import os
from setuptools import setup, find_packages
REQUIREMENTS = [
'requests',
'six',
'websocket-client',
]
here = os.path.abspath(os.path.dirname(__file__))
README = open(os.path.join(here, 'README.rst')).read()
CHANGES = open(os.path.join(here, 'CHANGES.rst')).read()
HERE = dirname(abspath(__file__))
LOAD_TEXT = lambda name: io.open(join(HERE, name), encoding='UTF-8').read()
DESCRIPTION = '\n\n'.join(LOAD_TEXT(_) for _ in [
'README.rst',
'CHANGES.rst',
])
setup(
name='socketIO_client',
version='0.6.5',
name='socketIO-client',
version='0.5.6',
description='A socket.io client library',
long_description=DESCRIPTION,
long_description=README + '\n\n' + CHANGES,
license='MIT',
classifiers=[
'Intended Audience :: Developers',
'Programming Language :: Python',
'License :: OSI Approved :: MIT License',
'Development Status :: 5 - Production/Stable',
],
keywords='socket.io node.js',
author='Roy Hyunjin Han',
author_email='rhh@crosscompute.com',
url='https://github.com/invisibleroads/socketIO-client',
install_requires=REQUIREMENTS,
install_requires=[
'requests',
'six',
'websocket-client',
],
tests_require=[
'nose',
'coverage',

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@ -1,307 +1,182 @@
from .exceptions import ConnectionError, TimeoutError, PacketError
from .heartbeats import HeartbeatThread
from .logs import LoggingMixin
from .namespaces import (
EngineIONamespace, SocketIONamespace, LoggingSocketIONamespace,
find_callback)
from .parsers import (
parse_host, parse_engineIO_session,
format_socketIO_packet_data, parse_socketIO_packet_data,
get_namespace_path)
from .symmetries import get_character
import logging
import json
import requests
import time
from collections import namedtuple
try:
from urllib.parse import urlparse as parse_url
except ImportError:
from urlparse import urlparse as parse_url
from .exceptions import (
SocketIOError, ConnectionError, TimeoutError, PacketError)
from .symmetries import _get_text
from .transports import (
WebsocketTransport, XHR_PollingTransport, prepare_http_session, TRANSPORTS)
_get_response, TRANSPORTS,
_WebsocketTransport, _XHR_PollingTransport, _JSONP_PollingTransport)
__all__ = 'SocketIO', 'SocketIONamespace'
__version__ = '0.6.3'
BaseNamespace = SocketIONamespace
LoggingNamespace = LoggingSocketIONamespace
__version__ = '0.5.4'
_SocketIOSession = namedtuple('_SocketIOSession', [
'id',
'heartbeat_timeout',
'server_supported_transports',
])
_log = logging.getLogger(__name__)
PROTOCOL_VERSION = 1
RETRY_INTERVAL_IN_SECONDS = 1
def retry(f):
def wrap(*args, **kw):
self = args[0]
try:
return f(*args, **kw)
except (TimeoutError, ConnectionError):
self._opened = False
return f(*args, **kw)
return wrap
class BaseNamespace(object):
'Define client behavior'
def __init__(self, _transport, path):
self._transport = _transport
self.path = path
self._was_connected = False
self._callback_by_event = {}
self.initialize()
class EngineIO(LoggingMixin):
def __init__(
self, host, port=None, Namespace=EngineIONamespace,
wait_for_connection=True, transports=TRANSPORTS,
resource='engine.io', hurry_interval_in_seconds=1, **kw):
self._is_secure, self._url = parse_host(host, port, resource)
self._wait_for_connection = wait_for_connection
self._client_transports = transports
self._hurry_interval_in_seconds = hurry_interval_in_seconds
self._http_session = prepare_http_session(kw)
self._log_name = self._url
self._wants_to_close = False
self._opened = False
if Namespace:
self.define(Namespace)
self._transport
# Connect
@property
def _transport(self):
if self._opened:
return self._transport_instance
self._engineIO_session = self._get_engineIO_session()
self._negotiate_transport()
self._connect_namespaces()
self._opened = True
self._reset_heartbeat()
return self._transport_instance
def _get_engineIO_session(self):
warning_screen = self._yield_warning_screen()
for elapsed_time in warning_screen:
transport = XHR_PollingTransport(
self._http_session, self._is_secure, self._url)
try:
engineIO_packet_type, engineIO_packet_data = next(
transport.recv_packet())
break
except (TimeoutError, ConnectionError) as e:
if not self._wait_for_connection:
raise
warning = Exception('[waiting for connection] %s' % e)
warning_screen.throw(warning)
assert engineIO_packet_type == 0 # engineIO_packet_type == open
return parse_engineIO_session(engineIO_packet_data)
def _negotiate_transport(self):
self._transport_instance = self._get_transport('xhr-polling')
self.transport_name = 'xhr-polling'
is_ws_client = 'websocket' in self._client_transports
is_ws_server = 'websocket' in self._engineIO_session.transport_upgrades
if is_ws_client and is_ws_server:
try:
transport = self._get_transport('websocket')
transport.send_packet(2, 'probe')
for packet_type, packet_data in transport.recv_packet():
if packet_type == 3 and packet_data == b'probe':
transport.send_packet(5, '')
self._transport_instance = transport
self.transport_name = 'websocket'
else:
self._warn('unexpected engine.io packet')
except Exception:
pass
self._debug('[transport selected] %s', self.transport_name)
def _reset_heartbeat(self):
try:
self._heartbeat_thread.halt()
hurried = self._heartbeat_thread.hurried
except AttributeError:
hurried = False
ping_interval = self._engineIO_session.ping_interval
if self.transport_name.endswith('-polling'):
# Use ping/pong to unblock recv for polling transport
hurry_interval_in_seconds = self._hurry_interval_in_seconds
else:
# Use timeout to unblock recv for websocket transport
hurry_interval_in_seconds = ping_interval
self._heartbeat_thread = HeartbeatThread(
send_heartbeat=self._ping,
relax_interval_in_seconds=ping_interval,
hurry_interval_in_seconds=hurry_interval_in_seconds)
self._heartbeat_thread.start()
if hurried:
self._heartbeat_thread.hurry()
self._debug('[heartbeat reset]')
def _connect_namespaces(self):
def initialize(self):
'Initialize custom variables here; you can override this method'
pass
def _get_transport(self, transport_name):
SelectedTransport = {
'xhr-polling': XHR_PollingTransport,
'websocket': WebsocketTransport,
}[transport_name]
return SelectedTransport(
self._http_session, self._is_secure, self._url,
self._engineIO_session)
def message(self, data='', callback=None):
self._transport.message(self.path, data, callback)
def __enter__(self):
return self
def emit(self, event, *args, **kw):
callback, args = find_callback(args, kw)
self._transport.emit(self.path, event, args, callback)
def __exit__(self, *exception_pack):
self._close()
def __del__(self):
self._close()
# Define
def define(self, Namespace):
self._namespace = namespace = Namespace(self)
return namespace
def disconnect(self):
self._transport.disconnect(self.path)
def on(self, event, callback):
'Define a callback to handle a custom event emitted by the server'
self._callback_by_event[event] = callback
def on_connect(self):
'Called after server connects; you can override this method'
pass
def on_disconnect(self):
'Called after server disconnects; you can override this method'
pass
def on_heartbeat(self):
'Called after server sends a heartbeat; you can override this method'
pass
def on_message(self, data):
'Called after server sends a message; you can override this method'
pass
def on_event(self, event, *args):
"""
Called after server sends an event; you can override this method.
Called only if a custom event handler does not exist,
such as one defined by namespace.on('my_event', my_function).
"""
callback, args = find_callback(args)
if callback:
callback(args)
def on_error(self, reason, advice):
'Called after server sends an error; you can override this method'
pass
def on_noop(self):
'Called after server sends a noop; you can override this method'
pass
def on_open(self, *args):
pass
def on_close(self, *args):
pass
def on_retry(self, *args):
pass
def on_reconnect(self, *args):
pass
def _find_event_callback(self, event):
# Check callbacks defined by on()
try:
namespace = self.get_namespace()
except PacketError:
namespace = self.define(EngineIONamespace)
return namespace.on(event, callback)
def get_namespace(self):
try:
return self._namespace
except AttributeError:
raise PacketError('undefined engine.io namespace')
# Act
def send(self, engineIO_packet_data):
self._message(engineIO_packet_data)
def _open(self):
engineIO_packet_type = 0
self._transport_instance.send_packet(engineIO_packet_type)
def _close(self):
self._wants_to_close = True
try:
self._heartbeat_thread.halt()
except AttributeError:
pass
if not self._opened:
return
engineIO_packet_type = 1
try:
self._transport_instance.send_packet(engineIO_packet_type)
except (TimeoutError, ConnectionError):
pass
self._opened = False
def _ping(self, engineIO_packet_data=''):
engineIO_packet_type = 2
self._transport_instance.send_packet(
engineIO_packet_type, engineIO_packet_data)
def _pong(self, engineIO_packet_data=''):
engineIO_packet_type = 3
self._transport_instance.send_packet(
engineIO_packet_type, engineIO_packet_data)
@retry
def _message(self, engineIO_packet_data, with_transport_instance=False):
engineIO_packet_type = 4
if with_transport_instance:
transport = self._transport_instance
else:
transport = self._transport
transport.send_packet(engineIO_packet_type, engineIO_packet_data)
self._debug('[socket.io packet sent] %s', engineIO_packet_data)
def _upgrade(self):
engineIO_packet_type = 5
self._transport_instance.send_packet(engineIO_packet_type)
def _noop(self):
engineIO_packet_type = 6
self._transport_instance.send_packet(engineIO_packet_type)
# React
def wait(self, seconds=None, **kw):
'Wait in a loop and react to events as defined in the namespaces'
# Use ping/pong to unblock recv for polling transport
self._heartbeat_thread.hurry()
# Use timeout to unblock recv for websocket transport
self._transport.set_timeout(seconds=1)
# Listen
warning_screen = self._yield_warning_screen(seconds)
for elapsed_time in warning_screen:
if self._should_stop_waiting(**kw):
break
try:
try:
self._process_packets()
except TimeoutError:
pass
except ConnectionError as e:
self._opened = False
try:
warning = Exception('[connection error] %s' % e)
warning_screen.throw(warning)
except StopIteration:
self._warn(warning)
try:
namespace = self.get_namespace()
namespace.on_disconnect()
except PacketError:
pass
self._heartbeat_thread.relax()
self._transport.set_timeout()
def _should_stop_waiting(self):
return self._wants_to_close
def _process_packets(self):
for engineIO_packet in self._transport.recv_packet():
try:
self._process_packet(engineIO_packet)
except PacketError as e:
self._warn('[packet error] %s', e)
def _process_packet(self, packet):
engineIO_packet_type, engineIO_packet_data = packet
# Launch callbacks
namespace = self.get_namespace()
try:
delegate = {
0: self._on_open,
1: self._on_close,
2: self._on_ping,
3: self._on_pong,
4: self._on_message,
5: self._on_upgrade,
6: self._on_noop,
}[engineIO_packet_type]
return self._callback_by_event[event]
except KeyError:
raise PacketError(
'unexpected engine.io packet type (%s)' % engineIO_packet_type)
delegate(engineIO_packet_data, namespace)
if engineIO_packet_type is 4:
return engineIO_packet_data
def _on_open(self, data, namespace):
namespace._find_packet_callback('open')()
def _on_close(self, data, namespace):
namespace._find_packet_callback('close')()
def _on_ping(self, data, namespace):
self._pong(data)
namespace._find_packet_callback('ping')(data)
def _on_pong(self, data, namespace):
namespace._find_packet_callback('pong')(data)
def _on_message(self, data, namespace):
namespace._find_packet_callback('message')(data)
def _on_upgrade(self, data, namespace):
namespace._find_packet_callback('upgrade')()
def _on_noop(self, data, namespace):
namespace._find_packet_callback('noop')()
pass
# Convert connect to reconnect if we have seen connect already
if event == 'connect':
if not self._was_connected:
self._was_connected = True
else:
event = 'reconnect'
# Check callbacks defined explicitly or use on_event()
return getattr(
self,
'on_' + event.replace(' ', '_'),
lambda *args: self.on_event(event, args))
class SocketIO(EngineIO):
class LoggingNamespace(BaseNamespace):
def _log(self, level, msg, *attrs):
_log.log(level, '%s: %s' % (self._transport._url, msg), *attrs)
def on_connect(self):
self._log(logging.DEBUG, '%s [connect]', self.path)
super(LoggingNamespace, self).on_connect()
def on_disconnect(self):
self._log(logging.DEBUG, '%s [disconnect]', self.path)
super(LoggingNamespace, self).on_disconnect()
def on_heartbeat(self):
self._log(logging.DEBUG, '%s [heartbeat]', self.path)
super(LoggingNamespace, self).on_heartbeat()
def on_message(self, data):
self._log(logging.INFO, '%s [message] %s', self.path, data)
super(LoggingNamespace, self).on_message(data)
def on_event(self, event, *args):
callback, args = find_callback(args)
arguments = [repr(_) for _ in args]
if callback:
arguments.append('callback(*args)')
self._log(logging.INFO, '%s [event] %s(%s)', self.path, event,
', '.join(arguments))
super(LoggingNamespace, self).on_event(event, args)
def on_error(self, reason, advice):
self._log(logging.INFO, '%s [error] %s', self.path, advice)
super(LoggingNamespace, self).on_error(reason, advice)
def on_noop(self):
self._log(logging.INFO, '%s [noop]', self.path)
super(LoggingNamespace, self).on_noop()
def on_open(self, *args):
self._log(logging.INFO, '%s [open] %s', self.path, args)
super(LoggingNamespace, self).on_open(*args)
def on_close(self, *args):
self._log(logging.INFO, '%s [close] %s', self.path, args)
super(LoggingNamespace, self).on_close(*args)
def on_retry(self, *args):
self._log(logging.INFO, '%s [retry] %s', self.path, args)
super(LoggingNamespace, self).on_retry(*args)
def on_reconnect(self, *args):
self._log(logging.INFO, '%s [reconnect] %s', self.path, args)
super(LoggingNamespace, self).on_reconnect(*args)
class SocketIO(object):
"""Create a socket.io client that connects to a socket.io server
at the specified host and port.
@ -311,8 +186,7 @@ class SocketIO(EngineIO):
- Specify desired transports=['websocket', 'xhr-polling'].
- Pass query params, headers, cookies, proxies as keyword arguments.
SocketIO(
'localhost', 8000,
SocketIO('localhost', 8000,
params={'q': 'qqq'},
headers={'Authorization': 'Basic ' + b64encode('username:password')},
cookies={'a': 'aaa'},
@ -320,196 +194,334 @@ class SocketIO(EngineIO):
"""
def __init__(
self, host, port=None, Namespace=SocketIONamespace,
self, host, port=None, Namespace=None,
wait_for_connection=True, transports=TRANSPORTS,
resource='socket.io', hurry_interval_in_seconds=1, **kw):
resource='socket.io', **kw):
self.is_secure, self._base_url = _parse_host(host, port, resource)
self.wait_for_connection = wait_for_connection
self._namespace_by_path = {}
self._callback_by_ack_id = {}
self._ack_id = 0
super(SocketIO, self).__init__(
host, port, Namespace, wait_for_connection, transports,
resource, hurry_interval_in_seconds, **kw)
self._client_supported_transports = transports
self._kw = kw
if Namespace:
self.define(Namespace)
# Connect
def _log(self, level, msg, *attrs):
_log.log(level, '%s: %s' % (self._base_url, msg), *attrs)
@property
def connected(self):
return self._opened
def _connect_namespaces(self):
for path, namespace in self._namespace_by_path.items():
namespace._transport = self._transport_instance
if path:
self.connect(path, with_transport_instance=True)
def __enter__(self):
return self
def __exit__(self, *exception_pack):
self.disconnect()
super(SocketIO, self).__exit__(*exception_pack)
def __del__(self):
self.disconnect()
super(SocketIO, self).__del__()
# Define
def define(self, Namespace, path=''):
self._namespace_by_path[path] = namespace = Namespace(self, path)
if path:
self.connect(path)
self.wait(for_connect=True)
self._transport.connect(path)
namespace = Namespace(self._transport, path)
self._namespace_by_path[path] = namespace
return namespace
def on(self, event, callback, path=''):
if path not in self._namespace_by_path:
self.define(BaseNamespace, path)
return self.get_namespace(path).on(event, callback)
def message(self, data='', callback=None, path=''):
self._transport.message(path, data, callback)
def emit(self, event, *args, **kw):
path = kw.get('path', '')
callback, args = find_callback(args, kw)
self._transport.emit(path, event, args, callback)
def wait(self, seconds=None, for_callbacks=False, on_error=None, error_args=None):
"""Wait in a loop and process events as defined in the namespaces.
- Omit seconds, i.e. call wait() without arguments, to wait forever.
"""
warning_screen = _yield_warning_screen(seconds)
timeout = min(self._heartbeat_interval, seconds)
for elapsed_time in warning_screen:
if self._stop_waiting(for_callbacks):
break
try:
try:
self._process_events(timeout)
except TimeoutError:
pass
next(self._heartbeat_pacemaker)
except ConnectionError as e:
if on_error is not None and callable(on_error):
on_error(e, error_args)
try:
warning = Exception('[connection error] %s' % e)
warning_screen.throw(warning)
except StopIteration:
self._log(logging.WARNING, warning)
try:
namespace = self._namespace_by_path['']
namespace.on_disconnect()
except KeyError:
pass
def _process_events(self, timeout=None):
for packet in self._transport.recv_packet(timeout):
try:
self._process_packet(packet)
except PacketError as e:
self._log(logging.WARNING, '[packet error] %s', e)
def _process_packet(self, packet):
code, packet_id, path, data = packet
namespace = self.get_namespace(path or '')
delegate = self._get_delegate(code, packet)
delegate(packet, namespace._find_event_callback)
def _stop_waiting(self, for_callbacks):
# Use __transport to make sure that we do not reconnect inadvertently
if for_callbacks and not self.__transport.has_ack_callback:
return True
if self.__transport._wants_to_disconnect:
return True
return False
def wait_for_callbacks(self, seconds=None):
self.wait(seconds, for_callbacks=True)
def disconnect(self, path=''):
try:
namespace = self.get_namespace(path)
except PacketError:
namespace = self.define(SocketIONamespace, path)
return namespace.on(event, callback)
self._transport.disconnect(path)
except ReferenceError:
pass
try:
namespace = self._namespace_by_path[path]
namespace.on_disconnect()
del self._namespace_by_path[path]
except KeyError:
pass
@property
def connected(self):
try:
transport = self.__transport
except AttributeError:
return False
else:
return transport.connected
@property
def _transport(self):
try:
if self.connected:
return self.__transport
except AttributeError as e:
pass
socketIO_session = self._get_socketIO_session()
supported_transports = self._get_supported_transports(socketIO_session)
self._heartbeat_pacemaker = self._make_heartbeat_pacemaker(
heartbeat_timeout=socketIO_session.heartbeat_timeout)
next(self._heartbeat_pacemaker)
warning_screen = _yield_warning_screen(seconds=None)
for elapsed_time in warning_screen:
try:
self._transport_name = supported_transports.pop(0)
except IndexError:
raise ConnectionError('Could not negotiate a transport')
try:
self.__transport = self._get_transport(
socketIO_session, self._transport_name)
break
except ConnectionError:
pass
for path, namespace in self._namespace_by_path.items():
namespace._transport = self.__transport
if path:
self.__transport.connect(path)
return self.__transport
def _get_socketIO_session(self):
warning_screen = _yield_warning_screen(seconds=None)
for elapsed_time in warning_screen:
try:
return _get_socketIO_session(
self.is_secure, self._base_url, **self._kw)
except ConnectionError as e:
if not self.wait_for_connection:
raise
warning = Exception('[waiting for connection] %s' % e)
try:
warning_screen.throw(warning)
except StopIteration:
self._log(logging.WARNING, warning)
def _get_supported_transports(self, session):
self._log(
logging.DEBUG, '[transports available] %s',
' '.join(session.server_supported_transports))
supported_transports = [
x for x in self._client_supported_transports if
x in session.server_supported_transports]
if not supported_transports:
raise SocketIOError(' '.join([
'could not negotiate a transport:',
'client supports %s but' % ', '.join(
self._client_supported_transports),
'server supports %s' % ', '.join(
session.server_supported_transports),
]))
return supported_transports
def _get_transport(self, session, transport_name):
self._log(logging.DEBUG, '[transport chosen] %s', transport_name)
return {
'websocket': _WebsocketTransport,
'xhr-polling': _XHR_PollingTransport,
'jsonp-polling': _JSONP_PollingTransport,
}[transport_name](session, self.is_secure, self._base_url, **self._kw)
def _make_heartbeat_pacemaker(self, heartbeat_timeout):
self._heartbeat_interval = heartbeat_timeout / 2
heartbeat_time = time.time()
while True:
yield
if time.time() - heartbeat_time > self._heartbeat_interval:
heartbeat_time = time.time()
self._transport.send_heartbeat()
def get_namespace(self, path=''):
try:
return self._namespace_by_path[path]
except KeyError:
raise PacketError('undefined socket.io namespace (%s)' % path)
raise PacketError('unhandled namespace path (%s)' % path)
# Act
def connect(self, path, with_transport_instance=False):
socketIO_packet_type = 0
socketIO_packet_data = format_socketIO_packet_data(path)
self._message(
str(socketIO_packet_type) + socketIO_packet_data,
with_transport_instance)
def disconnect(self, path=''):
if not path or not self._opened:
self._close()
elif path:
socketIO_packet_type = 1
socketIO_packet_data = format_socketIO_packet_data(path)
try:
self._message(str(socketIO_packet_type) + socketIO_packet_data)
except (TimeoutError, ConnectionError):
pass
def _get_delegate(self, code, packet):
try:
namespace = self._namespace_by_path.pop(path)
namespace.on_disconnect()
return {
'0': self._on_disconnect,
'1': self._on_connect,
'2': self._on_heartbeat,
'3': self._on_message,
'4': self._on_json,
'5': self._on_event,
'6': self._on_ack,
'7': self._on_error,
'8': self._on_noop,
'': self._on_noop
}[code]
except KeyError:
pass
raise PacketError('unexpected code ({}): {}'.format([code], packet))
def emit(self, event, *args, **kw):
path = kw.get('path', '')
callback, args = find_callback(args, kw)
ack_id = self._set_ack_callback(callback) if callback else None
args = [event] + list(args)
socketIO_packet_type = 2
socketIO_packet_data = format_socketIO_packet_data(path, ack_id, args)
self._message(str(socketIO_packet_type) + socketIO_packet_data)
def _on_disconnect(self, packet, find_event_callback):
find_event_callback('disconnect')()
def send(self, data='', callback=None, **kw):
path = kw.get('path', '')
args = [data]
if callback:
args.append(callback)
self.emit('message', *args, path=path)
def _on_connect(self, packet, find_event_callback):
find_event_callback('connect')()
def _ack(self, path, ack_id, *args):
socketIO_packet_type = 3
socketIO_packet_data = format_socketIO_packet_data(path, ack_id, args)
self._message(str(socketIO_packet_type) + socketIO_packet_data)
def _on_heartbeat(self, packet, find_event_callback):
find_event_callback('heartbeat')()
# React
def _on_message(self, packet, find_event_callback):
code, packet_id, path, data = packet
args = data
self._send_args('message', args, path, packet_id, find_event_callback)
def wait_for_callbacks(self, seconds=None):
self.wait(seconds, for_callbacks=True)
def _send_args(self, event, args, path, packet_id, find_event_callback):
ev_args = [args]
if packet_id:
ack = self._prepare_to_send_ack(path, packet_id)
ev_args.append(ack)
find_event_callback(event)(*ev_args)
def _should_stop_waiting(self, for_connect=False, for_callbacks=False):
if for_connect:
for namespace in self._namespace_by_path.values():
is_namespace_connected = getattr(
namespace, '_connected', False)
if not is_namespace_connected:
return False
return True
if for_callbacks and not self._has_ack_callback:
return True
return super(SocketIO, self)._should_stop_waiting()
def _on_json(self, packet, find_event_callback):
code, packet_id, path, data = packet
args = json.loads(data)
self._send_args('message', args, path, packet_id, find_event_callback)
def _process_packet(self, packet):
engineIO_packet_data = super(SocketIO, self)._process_packet(packet)
if engineIO_packet_data is None:
return
self._debug('[socket.io packet received] %s', engineIO_packet_data)
socketIO_packet_type = int(get_character(engineIO_packet_data, 0))
socketIO_packet_data = engineIO_packet_data[1:]
# Launch callbacks
path = get_namespace_path(socketIO_packet_data)
namespace = self.get_namespace(path)
def _on_event(self, packet, find_event_callback):
code, packet_id, path, data = packet
value_by_name = json.loads(data)
event = value_by_name['name']
args = value_by_name.get('args', [])
self._send_args(event, args, path, packet_id, find_event_callback)
def _on_ack(self, packet, find_event_callback):
code, packet_id, path, data = packet
data_parts = data.split('+', 1)
packet_id = data_parts[0]
try:
delegate = {
0: self._on_connect,
1: self._on_disconnect,
2: self._on_event,
3: self._on_ack,
4: self._on_error,
5: self._on_binary_event,
6: self._on_binary_ack,
}[socketIO_packet_type]
except KeyError:
raise PacketError(
'unexpected socket.io packet type (%s)' % socketIO_packet_type)
delegate(socketIO_packet_data, namespace)
return socketIO_packet_data
def _on_connect(self, data, namespace):
namespace._connected = True
namespace._find_packet_callback('connect')()
def _on_disconnect(self, data, namespace):
namespace._connected = False
namespace._find_packet_callback('disconnect')()
def _on_event(self, data, namespace):
data_parsed = parse_socketIO_packet_data(data)
args = data_parsed.args
try:
event = args.pop(0)
except IndexError:
raise PacketError('missing event name')
if data_parsed.ack_id is not None:
args.append(self._prepare_to_send_ack(
data_parsed.path, data_parsed.ack_id))
namespace._find_packet_callback(event)(*args)
def _on_ack(self, data, namespace):
data_parsed = parse_socketIO_packet_data(data)
try:
ack_callback = self._get_ack_callback(data_parsed.ack_id)
ack_callback = self._transport.get_ack_callback(packet_id)
except KeyError:
return
ack_callback(*data_parsed.args)
args = json.loads(data_parts[1]) if len(data_parts) > 1 else []
ack_callback(args)
def _on_error(self, data, namespace):
namespace._find_packet_callback('error')(data)
def _on_error(self, packet, find_event_callback):
code, packet_id, path, data = packet
reason, advice = data.split('+', 1)
find_event_callback('error')(reason, advice)
def _on_binary_event(self, data, namespace):
self._warn('[not implemented] binary event')
def _on_noop(self, packet, find_event_callback):
find_event_callback('noop')()
def _on_binary_ack(self, data, namespace):
self._warn('[not implemented] binary ack')
def _prepare_to_send_ack(self, path, ack_id):
def _prepare_to_send_ack(self, path, packet_id):
'Return function that acknowledges the server'
return lambda *args: self._ack(path, ack_id, *args)
return lambda *args: self._transport.ack(path, packet_id, *args)
def _set_ack_callback(self, callback):
self._ack_id += 1
self._callback_by_ack_id[self._ack_id] = callback
return self._ack_id
def _get_ack_callback(self, ack_id):
return self._callback_by_ack_id.pop(ack_id)
def find_callback(args, kw=None):
'Return callback whether passed as a last argument or as a keyword'
if args and callable(args[-1]):
return args[-1], args[:-1]
try:
return kw['callback'], args
except (KeyError, TypeError):
return None, args
@property
def _has_ack_callback(self):
return True if self._callback_by_ack_id else False
def _parse_host(host, port, resource):
if not host.startswith('http'):
host = 'http://' + host
url_pack = parse_url(host)
is_secure = url_pack.scheme == 'https'
port = port or url_pack.port or (443 if is_secure else 80)
base_url = '%s:%d%s/%s/%s' % (
url_pack.hostname, port, url_pack.path, resource, PROTOCOL_VERSION)
return is_secure, base_url
def _yield_warning_screen(seconds=None):
last_warning = None
for elapsed_time in _yield_elapsed_time(seconds):
try:
yield elapsed_time
except Exception as warning:
warning = str(warning)
if last_warning != warning:
last_warning = warning
_log.warn(warning)
time.sleep(RETRY_INTERVAL_IN_SECONDS)
def _yield_elapsed_time(seconds=None):
start_time = time.time()
if seconds is None:
while True:
yield time.time() - start_time
while time.time() - start_time < seconds:
yield time.time() - start_time
def _get_socketIO_session(is_secure, base_url, **kw):
server_url = '%s://%s/' % ('https' if is_secure else 'http', base_url)
try:
response = _get_response(requests.get, server_url, **kw)
except TimeoutError as e:
raise ConnectionError(e)
response_parts = _get_text(response).split(':')
return _SocketIOSession(
id=response_parts[0],
heartbeat_timeout=int(response_parts[1]),
server_supported_transports=response_parts[3].split(','))

View file

@ -1,52 +0,0 @@
import logging
from threading import Thread, Event
from .exceptions import ConnectionError, TimeoutError
class HeartbeatThread(Thread):
daemon = True
def __init__(
self, send_heartbeat,
relax_interval_in_seconds,
hurry_interval_in_seconds):
super(HeartbeatThread, self).__init__()
self._send_heartbeat = send_heartbeat
self._relax_interval_in_seconds = relax_interval_in_seconds
self._hurry_interval_in_seconds = hurry_interval_in_seconds
self._adrenaline = Event()
self._rest = Event()
self._halt = Event()
def run(self):
try:
while not self._halt.is_set():
try:
self._send_heartbeat()
except TimeoutError:
pass
if self._adrenaline.is_set():
interval_in_seconds = self._hurry_interval_in_seconds
else:
interval_in_seconds = self._relax_interval_in_seconds
self._rest.wait(interval_in_seconds)
except ConnectionError:
logging.debug('[heartbeat connection error]')
def relax(self):
self._adrenaline.clear()
def hurry(self):
self._adrenaline.set()
self._rest.set()
self._rest.clear()
@property
def hurried(self):
return self._adrenaline.is_set()
def halt(self):
self._rest.set()
self._halt.set()

View file

@ -1,42 +0,0 @@
import logging
import time
class LoggingMixin(object):
def _log(self, level, msg, *attrs):
logging.log(level, '%s %s' % (self._log_name, msg), *attrs)
def _debug(self, msg, *attrs):
self._log(logging.DEBUG, msg, *attrs)
def _info(self, msg, *attrs):
self._log(logging.INFO, msg, *attrs)
def _warn(self, msg, *attrs):
self._log(logging.WARNING, msg, *attrs)
def _yield_warning_screen(self, seconds=None):
last_warning = None
for elapsed_time in _yield_elapsed_time(seconds):
try:
yield elapsed_time
except Exception as warning:
warning = str(warning)
if last_warning != warning:
last_warning = warning
self._warn(warning)
time.sleep(1)
def _yield_elapsed_time(seconds=None):
start_time = time.time()
if seconds is None:
while True:
yield _get_elapsed_time(start_time)
while _get_elapsed_time(start_time) < seconds:
yield _get_elapsed_time(start_time)
def _get_elapsed_time(start_time):
return time.time() - start_time

View file

@ -1,224 +0,0 @@
from .logs import LoggingMixin
class EngineIONamespace(LoggingMixin):
'Define engine.io client behavior'
def __init__(self, io):
self._io = io
self._callback_by_event = {}
self._log_name = io._url
self.initialize()
def initialize(self):
"""Initialize custom variables here.
You can override this method."""
def on(self, event, callback):
'Define a callback to handle an event emitted by the server'
self._callback_by_event[event] = callback
def send(self, data):
'Send a message'
self._io.send(data)
def on_open(self):
"""Called after engine.io connects.
You can override this method."""
def on_close(self):
"""Called after engine.io disconnects.
You can override this method."""
def on_ping(self, data):
"""Called after engine.io sends a ping packet.
You can override this method."""
def on_pong(self, data):
"""Called after engine.io sends a pong packet.
You can override this method."""
def on_message(self, data):
"""Called after engine.io sends a message packet.
You can override this method."""
def on_upgrade(self):
"""Called after engine.io sends an upgrade packet.
You can override this method."""
def on_noop(self):
"""Called after engine.io sends a noop packet.
You can override this method."""
def _find_packet_callback(self, event):
# Check callbacks defined by on()
try:
return self._callback_by_event[event]
except KeyError:
pass
# Check callbacks defined explicitly
return getattr(self, 'on_' + event)
class SocketIONamespace(EngineIONamespace):
'Define socket.io client behavior'
def __init__(self, io, path):
self.path = path
super(SocketIONamespace, self).__init__(io)
def connect(self):
self._io.connect(self.path)
def disconnect(self):
self._io.disconnect(self.path)
def emit(self, event, *args, **kw):
self._io.emit(event, path=self.path, *args, **kw)
def send(self, data='', callback=None):
self._io.send(data, callback)
def on_connect(self):
"""Called after socket.io connects.
You can override this method."""
def on_reconnect(self):
"""Called after socket.io reconnects.
You can override this method."""
def on_disconnect(self):
"""Called after socket.io disconnects.
You can override this method."""
def on_event(self, event, *args):
"""
Called if there is no matching event handler.
You can override this method.
There are three ways to define an event handler:
- Call socketIO.on()
socketIO = SocketIO('localhost', 8000)
socketIO.on('my_event', my_function)
- Call namespace.on()
namespace = socketIO.get_namespace()
namespace.on('my_event', my_function)
- Define namespace.on_xxx
class Namespace(SocketIONamespace):
def on_my_event(self, *args):
my_function(*args)
socketIO.define(Namespace)"""
def on_error(self, data):
"""Called after socket.io sends an error packet.
You can override this method."""
def _find_packet_callback(self, event):
# Interpret events
if event == 'connect':
if not hasattr(self, '_was_connected'):
self._was_connected = True
else:
event = 'reconnect'
# Check callbacks defined by on()
try:
return self._callback_by_event[event]
except KeyError:
pass
# Check callbacks defined explicitly or use on_event()
return getattr(
self, 'on_' + event.replace(' ', '_'),
lambda *args: self.on_event(event, *args))
class LoggingEngineIONamespace(EngineIONamespace):
def on_open(self):
self._debug('[engine.io open]')
super(LoggingEngineIONamespace, self).on_open()
def on_close(self):
self._debug('[engine.io close]')
super(LoggingEngineIONamespace, self).on_close()
def on_ping(self, data):
self._debug('[engine.io ping] %s', data)
super(LoggingEngineIONamespace, self).on_ping(data)
def on_pong(self, data):
self._debug('[engine.io pong] %s', data)
super(LoggingEngineIONamespace, self).on_pong(data)
def on_message(self, data):
self._debug('[engine.io message] %s', data)
super(LoggingEngineIONamespace, self).on_message(data)
def on_upgrade(self):
self._debug('[engine.io upgrade]')
super(LoggingEngineIONamespace, self).on_upgrade()
def on_noop(self):
self._debug('[engine.io noop]')
super(LoggingEngineIONamespace, self).on_noop()
def on_event(self, event, *args):
callback, args = find_callback(args)
arguments = [repr(_) for _ in args]
if callback:
arguments.append('callback(*args)')
self._info('[engine.io event] %s(%s)', event, ', '.join(arguments))
super(LoggingEngineIONamespace, self).on_event(event, *args)
class LoggingSocketIONamespace(SocketIONamespace, LoggingEngineIONamespace):
def on_connect(self):
self._debug(
'%s[socket.io connect]', _make_logging_header(self.path))
super(LoggingSocketIONamespace, self).on_connect()
def on_reconnect(self):
self._debug(
'%s[socket.io reconnect]', _make_logging_header(self.path))
super(LoggingSocketIONamespace, self).on_reconnect()
def on_disconnect(self):
self._debug(
'%s[socket.io disconnect]', _make_logging_header(self.path))
super(LoggingSocketIONamespace, self).on_disconnect()
def on_event(self, event, *args):
callback, args = find_callback(args)
arguments = [repr(_) for _ in args]
if callback:
arguments.append('callback(*args)')
self._info(
'%s[socket.io event] %s(%s)', _make_logging_header(self.path),
event, ', '.join(arguments))
super(LoggingSocketIONamespace, self).on_event(event, *args)
def on_error(self, data):
self._debug(
'%s[socket.io error] %s', _make_logging_header(self.path), data)
super(LoggingSocketIONamespace, self).on_error()
def find_callback(args, kw=None):
'Return callback whether passed as a last argument or as a keyword'
if args and callable(args[-1]):
return args[-1], args[:-1]
try:
return kw['callback'], args
except (KeyError, TypeError):
return None, args
def _make_logging_header(path):
return path + ' ' if path else ''

View file

@ -1,137 +0,0 @@
import json
from collections import namedtuple
from .symmetries import (
decode_string, encode_string, get_byte, get_character, parse_url)
EngineIOSession = namedtuple('EngineIOSession', [
'id', 'ping_interval', 'ping_timeout', 'transport_upgrades'])
SocketIOData = namedtuple('SocketIOData', ['path', 'ack_id', 'args'])
def parse_host(host, port, resource):
if not host.startswith('http'):
host = 'http://' + host
url_pack = parse_url(host)
is_secure = url_pack.scheme == 'https'
port = port or url_pack.port or (443 if is_secure else 80)
url = '%s:%d%s/%s' % (url_pack.hostname, port, url_pack.path, resource)
return is_secure, url
def parse_engineIO_session(engineIO_packet_data):
d = json.loads(decode_string(engineIO_packet_data))
return EngineIOSession(
id=d['sid'],
ping_interval=d['pingInterval'] / float(1000),
ping_timeout=d['pingTimeout'] / float(1000),
transport_upgrades=d['upgrades'])
def encode_engineIO_content(engineIO_packets):
content = bytearray()
for packet_type, packet_data in engineIO_packets:
packet_text = format_packet_text(packet_type, packet_data)
content.extend(_make_packet_prefix(packet_text) + packet_text)
return content
def decode_engineIO_content(content):
content_index = 0
content_length = len(content)
while content_index < content_length:
try:
content_index, packet_length = _read_packet_length(
content, content_index)
except IndexError:
break
content_index, packet_text = _read_packet_text(
content, content_index, packet_length)
engineIO_packet_type, engineIO_packet_data = parse_packet_text(
packet_text)
yield engineIO_packet_type, engineIO_packet_data
def format_socketIO_packet_data(path=None, ack_id=None, args=None):
socketIO_packet_data = json.dumps(args, ensure_ascii=False) if args else ''
if ack_id is not None:
socketIO_packet_data = str(ack_id) + socketIO_packet_data
if path:
socketIO_packet_data = path + ',' + socketIO_packet_data
return socketIO_packet_data
def parse_socketIO_packet_data(socketIO_packet_data):
data = decode_string(socketIO_packet_data)
if data.startswith('/'):
try:
path, data = data.split(',', 1)
except ValueError:
path = data
data = ''
else:
path = ''
try:
ack_id_string, data = data.split('[', 1)
data = '[' + data
ack_id = int(ack_id_string)
except (ValueError, IndexError):
ack_id = None
try:
args = json.loads(data)
except ValueError:
args = []
return SocketIOData(path=path, ack_id=ack_id, args=args)
def format_packet_text(packet_type, packet_data):
return encode_string(str(packet_type) + packet_data)
def parse_packet_text(packet_text):
packet_type = int(get_character(packet_text, 0))
packet_data = packet_text[1:]
return packet_type, packet_data
def get_namespace_path(socketIO_packet_data):
if not socketIO_packet_data.startswith(b'/'):
return ''
# Loop incrementally in case there is binary data
parts = []
for i in range(len(socketIO_packet_data)):
character = get_character(socketIO_packet_data, i)
if ',' == character:
break
parts.append(character)
return ''.join(parts)
def _make_packet_prefix(packet):
length_string = str(len(packet))
header_digits = bytearray([0])
for i in range(len(length_string)):
header_digits.append(ord(length_string[i]) - 48)
header_digits.append(255)
return header_digits
def _read_packet_length(content, content_index):
while get_byte(content, content_index) != 0:
content_index += 1
content_index += 1
packet_length_string = ''
byte = get_byte(content, content_index)
while byte != 255:
packet_length_string += str(byte)
content_index += 1
byte = get_byte(content, content_index)
return content_index, int(packet_length_string)
def _read_packet_text(content, content_index, packet_length):
while get_byte(content, content_index) == 255:
content_index += 1
packet_text = content[content_index:content_index + packet_length]
return content_index + packet_length, packet_text

View file

@ -1,29 +1,5 @@
import six
try:
from urllib import urlencode as format_query
except ImportError:
from urllib.parse import urlencode as format_query
try:
from urlparse import urlparse as parse_url
except ImportError:
from urllib.parse import urlparse as parse_url
try:
memoryview = memoryview
except NameError:
memoryview = buffer
def get_character(x, index):
return chr(get_byte(x, index))
def get_byte(x, index):
return six.indexbytes(x, index)
def encode_string(x):
return x.encode('utf-8')
def decode_string(x):
return x.decode('utf-8')
def _get_text(response):
try:
return response.text # requests 2.7.0
except AttributeError:
return response.content # requests 0.8.2

View file

@ -2,11 +2,12 @@ import logging
import time
from unittest import TestCase
from .. import SocketIO, LoggingNamespace, find_callback
from . import SocketIO, LoggingNamespace, find_callback
from .transports import TIMEOUT_IN_SECONDS
HOST = 'localhost'
PORT = 9000
PORT = 8000
DATA = 'xxx'
PAYLOAD = {'xxx': 'yyy'}
logging.basicConfig(level=logging.DEBUG)
@ -15,23 +16,68 @@ logging.basicConfig(level=logging.DEBUG)
class BaseMixin(object):
def setUp(self):
super(BaseMixin, self).setUp()
self.called_on_response = False
self.wait_time_in_seconds = 1
def tearDown(self):
super(BaseMixin, self).tearDown()
self.socketIO.disconnect()
del self.socketIO
def on_response(self, *args):
for arg in args:
if isinstance(arg, dict):
self.assertEqual(arg, PAYLOAD)
else:
self.assertEqual(arg, DATA)
self.called_on_response = True
def test_disconnect(self):
'Disconnect'
namespace = self.socketIO.define(Namespace)
self.socketIO.define(LoggingNamespace)
self.assertTrue(self.socketIO.connected)
self.assertFalse(namespace.called_on_disconnect)
self.socketIO.disconnect()
self.assertFalse(self.socketIO.connected)
# Use context manager
with SocketIO(HOST, PORT, Namespace) as self.socketIO:
namespace = self.socketIO.get_namespace()
self.assertFalse(namespace.called_on_disconnect)
self.assertTrue(self.socketIO.connected)
self.assertTrue(namespace.called_on_disconnect)
self.assertFalse(self.socketIO.connected)
def test_message(self):
'Message'
namespace = self.socketIO.define(Namespace)
self.socketIO.message()
self.socketIO.wait(self.wait_time_in_seconds)
self.assertEqual(namespace.response, 'message_response')
def test_message_with_data(self):
'Message with data'
namespace = self.socketIO.define(Namespace)
self.socketIO.message(DATA)
self.socketIO.wait(self.wait_time_in_seconds)
self.assertEqual(namespace.response, DATA)
def test_message_with_payload(self):
'Message with payload'
namespace = self.socketIO.define(Namespace)
self.socketIO.message(PAYLOAD)
self.socketIO.wait(self.wait_time_in_seconds)
self.assertEqual(namespace.response, PAYLOAD)
def test_message_with_callback(self):
'Message with callback'
self.socketIO.define(LoggingNamespace)
self.socketIO.message(callback=self.on_response)
self.socketIO.wait_for_callbacks(seconds=self.wait_time_in_seconds)
self.assertTrue(self.called_on_response)
def test_message_with_callback_with_data(self):
'Message with callback with data'
self.socketIO.define(LoggingNamespace)
self.socketIO.message(DATA, self.on_response)
self.socketIO.wait_for_callbacks(seconds=self.wait_time_in_seconds)
self.assertTrue(self.called_on_response)
def test_emit(self):
'Emit'
namespace = self.socketIO.define(Namespace)
@ -61,12 +107,14 @@ class BaseMixin(object):
def test_emit_with_callback(self):
'Emit with callback'
self.socketIO.define(LoggingNamespace)
self.socketIO.emit('emit_with_callback', self.on_response)
self.socketIO.wait_for_callbacks(seconds=self.wait_time_in_seconds)
self.assertTrue(self.called_on_response)
def test_emit_with_callback_with_payload(self):
'Emit with callback with payload'
self.socketIO.define(LoggingNamespace)
self.socketIO.emit(
'emit_with_callback_with_payload', self.on_response)
self.socketIO.wait_for_callbacks(seconds=self.wait_time_in_seconds)
@ -74,6 +122,7 @@ class BaseMixin(object):
def test_emit_with_callback_with_multiple_payloads(self):
'Emit with callback with multiple payloads'
self.socketIO.define(LoggingNamespace)
self.socketIO.emit(
'emit_with_callback_with_multiple_payloads', self.on_response)
self.socketIO.wait_for_callbacks(seconds=self.wait_time_in_seconds)
@ -86,34 +135,20 @@ class BaseMixin(object):
self.socketIO.wait(self.wait_time_in_seconds)
self.assertTrue(self.called_on_response)
def test_send(self):
'Send'
namespace = self.socketIO.define(Namespace)
self.socketIO.send()
self.socketIO.wait(self.wait_time_in_seconds)
self.assertEqual(namespace.response, 'message_response')
def test_send_with_data(self):
'Send with data'
namespace = self.socketIO.define(Namespace)
self.socketIO.send(DATA)
self.socketIO.wait(self.wait_time_in_seconds)
self.assertEqual(namespace.response, DATA)
def test_ack(self):
'Respond to a server callback request'
'Trigger server callback'
namespace = self.socketIO.define(Namespace)
self.socketIO.emit('trigger_server_expects_callback', PAYLOAD)
self.socketIO.emit('ack', PAYLOAD)
self.socketIO.wait(self.wait_time_in_seconds)
self.assertEqual(namespace.args_by_event, {
'server_expects_callback': (PAYLOAD,),
'server_received_callback': (PAYLOAD,),
'ack_response': (PAYLOAD,),
'ack_callback_response': (PAYLOAD,),
})
def test_wait_with_disconnect(self):
'Exit loop when the client wants to disconnect'
self.socketIO.define(Namespace)
self.socketIO.disconnect()
self.socketIO.emit('wait_with_disconnect')
timeout_in_seconds = 5
start_time = time.time()
self.socketIO.wait(timeout_in_seconds)
@ -133,54 +168,52 @@ class BaseMixin(object):
})
def test_namespace_ack(self):
'Respond to a server callback request within a namespace'
'Trigger server callback'
chat_namespace = self.socketIO.define(Namespace, '/chat')
chat_namespace.emit('trigger_server_expects_callback', PAYLOAD)
chat_namespace.emit('ack', PAYLOAD)
self.socketIO.wait(self.wait_time_in_seconds)
self.assertEqual(chat_namespace.args_by_event, {
'server_expects_callback': (PAYLOAD,),
'server_received_callback': (PAYLOAD,),
'ack_response': (PAYLOAD,),
'ack_callback_response': (PAYLOAD,),
})
def on_response(self, *args):
for arg in args:
if isinstance(arg, dict):
self.assertEqual(arg, PAYLOAD)
else:
self.assertEqual(arg, DATA)
self.called_on_response = True
class Test_XHR_PollingTransport(BaseMixin, TestCase):
def setUp(self):
super(Test_XHR_PollingTransport, self).setUp()
self.socketIO = SocketIO(HOST, PORT, LoggingNamespace, transports=[
'xhr-polling'], verify=False)
self.assertEqual(self.socketIO.transport_name, 'xhr-polling')
class Test_WebsocketTransport(BaseMixin, TestCase):
class Test_WebsocketTransport(TestCase, BaseMixin):
def setUp(self):
super(Test_WebsocketTransport, self).setUp()
self.socketIO = SocketIO(HOST, PORT, LoggingNamespace, transports=[
'xhr-polling', 'websocket'], verify=False)
self.assertEqual(self.socketIO.transport_name, 'websocket')
self.socketIO = SocketIO(HOST, PORT, transports=['websocket'])
self.wait_time_in_seconds = 0.1
class Test_XHR_PollingTransport(TestCase, BaseMixin):
def setUp(self):
super(Test_XHR_PollingTransport, self).setUp()
self.socketIO = SocketIO(HOST, PORT, transports=['xhr-polling'])
self.wait_time_in_seconds = TIMEOUT_IN_SECONDS + 1
class Test_JSONP_PollingTransport(TestCase, BaseMixin):
def setUp(self):
super(Test_JSONP_PollingTransport, self).setUp()
self.socketIO = SocketIO(HOST, PORT, transports=['jsonp-polling'])
self.wait_time_in_seconds = TIMEOUT_IN_SECONDS + 1
class Namespace(LoggingNamespace):
def initialize(self):
self.called_on_disconnect = False
self.args_by_event = {}
self.response = None
self.args_by_event = {}
self.called_on_disconnect = False
def on_disconnect(self):
self.called_on_disconnect = True
def on_wait_with_disconnect_response(self):
self.disconnect()
def on_message(self, data):
self.response = data
def on_event(self, event, *args):
callback, args = find_callback(args)
@ -188,5 +221,5 @@ class Namespace(LoggingNamespace):
callback(*args)
self.args_by_event[event] = args
def on_message(self, data):
self.response = data
def on_wait_with_disconnect_response(self):
self.disconnect()

View file

@ -1,25 +0,0 @@
<script src="/socket.io/socket.io.js"></script>
<script>
var socket = io('//localhost');
var chat = io('/chat');
var news = io('/news');
socket.on('server_expects_callback', function(payload, fn) {fn(payload)});
socket.emit('trigger_server_expects_callback', 'whee');
socket.emit('emit');
socket.emit('emit_with_payload');
socket.emit('emit_with_multiple_payloads', 'aaa', 'bbb');
socket.emit('emit_with_callback', function() {console.log('whee')});
socket.emit('emit_with_callback_with_payload', function(x) {console.log('whee ' + x)});
socket.emit('emit_with_callback_with_multiple_payloads', function(x, y) {console.log('whee ' + x + ' ' + y)});
socket.emit('emit_with_event');
socket.emit('aaa');
chat.on('server_expects_callback', function(payload, fn) {fn(payload)});
chat.emit('trigger_server_expects_callback', 'whee');
chat.emit('emit_with_payload');
chat.emit('aaa');
news.emit('emit_with_payload');
news.emit('aaa');
</script>

View file

@ -1,36 +0,0 @@
var proxy = require('http-proxy').createProxyServer({
target: {host: 'localhost', port: 9000}
}).on('error', function(err, req, res) {
console.log('[ERROR] %s', err);
res.end();
});
var server = require('http').createServer(function(req, res) {
console.log('[REQUEST.%s] %s', req.method, req.url);
console.log(req['headers']);
if (req.method == 'POST') {
var body = '';
req.on('data', function (data) {
body += data;
});
req.on('end', function () {
print_body('[REQUEST.BODY] ', body);
});
}
var write = res.write;
res.write = function(data) {
print_body('[RESPONSE.BODY] ', data);
write.call(res, data);
}
proxy.web(req, res);
});
function print_body(header, body) {
var text = String(body);
console.log(header + text);
if (text.charCodeAt(0) != 0) return;
for (var i = 0; i < text.length; i++) {
var character_code = text.charCodeAt(i);
console.log('body[%s] = %s = %s', i, text[i], character_code);
if (character_code == 65533) break;
}
}
server.listen(8000);

View file

@ -1,98 +0,0 @@
// DEBUG=* node serve.js
var argv = require('yargs').argv;
if (argv.secure) {
var fs = require('fs');
var path = require('path');
var app = require('https').createServer({
key: fs.readFileSync(path.resolve(__dirname, 'ssl.key')),
cert: fs.readFileSync(path.resolve(__dirname, 'ssl.crt'))
}, serve);
} else {
var app = require('http').createServer(serve);
}
app.listen(9000);
var io = require('socket.io')(app);
var PAYLOAD = {'xxx': 'yyy'};
io.on('connection', function(socket) {
socket.on('message', function(data, fn) {
if (fn) {
// Client requests callback
if (data) {
fn(data);
} else {
fn();
}
} else if (typeof data === 'object') {
// Data has type object or is null
socket.json.send(data ? data : 'message_response');
} else {
// Data has type string or is ''
socket.send(data ? data : 'message_response');
}
});
socket.on('emit', function() {
socket.emit('emit_response');
});
socket.on('emit_with_payload', function(payload) {
socket.emit('emit_with_payload_response', payload);
});
socket.on('emit_with_multiple_payloads', function(payload1, payload2) {
socket.emit('emit_with_multiple_payloads_response', payload1, payload2);
});
socket.on('emit_with_callback', function(fn) {
fn();
});
socket.on('emit_with_callback_with_payload', function(fn) {
fn(PAYLOAD);
});
socket.on('emit_with_callback_with_multiple_payloads', function(fn) {
fn(PAYLOAD, PAYLOAD);
});
socket.on('emit_with_event', function(payload) {
socket.emit('emit_with_event_response', payload);
});
socket.on('trigger_server_expects_callback', function(payload) {
socket.emit('server_expects_callback', payload, function(payload) {
socket.emit('server_received_callback', payload);
});
});
socket.on('aaa', function() {
socket.emit('aaa_response', PAYLOAD);
});
socket.on('bbb', function(payload, fn) {
if (fn) fn(payload);
});
});
io.of('/chat').on('connection', function(socket) {
socket.on('emit_with_payload', function(payload) {
socket.emit('emit_with_payload_response', payload);
});
socket.on('aaa', function() {
socket.emit('aaa_response', 'in chat');
});
socket.on('trigger_server_expects_callback', function(payload) {
socket.emit('server_expects_callback', payload, function(payload) {
socket.emit('server_received_callback', payload);
});
});
});
io.of('/news').on('connection', function(socket) {
socket.on('emit_with_payload', function(payload) {
socket.emit('emit_with_payload_response', payload);
});
socket.on('aaa', function() {
socket.emit('aaa_response', 'in news');
});
});
function serve(req, res) {
fs.readFile(__dirname + '/index.html', function(err, data) {
res.writeHead(200);
res.end(data);
});
}

View file

@ -1,21 +0,0 @@
-----BEGIN CERTIFICATE-----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HDn6lx5EaE+gSGU48UNnKX5iQdqEhprNVDj31MiJAgMBAAGjUDBOMB0GA1UdDgQW
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S45qiOzAaDAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUAA4IBAQB4JyOA5bZ3
NbkMvOjpDw+tKzcNiXZIkGfoQ8NC1DbGVhgG7Ps4VjXgUB552YSUV7iwyd3G78OC
+cxEcr+BvxXHXL2Wlxy0c/ZgBjRI5VnGbYQjjI2Iy2qJV+x5IR2oZatv45soZSLq
NFCg2KpOgcSRgs0oDGVBYO0d9m73s/kOySj2NGqVJsaQXqXtLWKnqToaCfl4Vnl+
zcMdUv8ajBZEPRg6oNi2QIvcNT8fS5gd/T4OXBa7pYuC79yOZ1X6bkKsZrcAdNGM
zO/jH6jKFjIBBx1Of+uZTzfAj/eoTu3foPuUQ+Z9NNE2nkE6SLyBSlxE7wD+SfjS
4/J0PNj22Uh3
-----END CERTIFICATE-----

View file

@ -1,28 +0,0 @@
-----BEGIN PRIVATE KEY-----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fPy6cW4EUhSvWCO+Q4MFFWpTcf0hBiz5O1d06FHVo39o8Ct9dv2bxJqfNtCUUf31
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i9+wcg8XSnRp3BPVKzebKIKDTMdypOeb1f5yhx6cCtChRm1frKQdoXpMQqptM0jq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-----END PRIVATE KEY-----

View file

@ -1,200 +1,358 @@
import codecs
import json
import logging
import re
import requests
import six
import socket
import ssl
import sys
import threading
import time
import websocket
from six import string_types
import re
from .exceptions import ConnectionError, TimeoutError
from .parsers import (
encode_engineIO_content, decode_engineIO_content,
format_packet_text, parse_packet_text)
from .symmetries import format_query, memoryview, parse_url
from .symmetries import _get_text
if not hasattr(websocket, 'create_connection'):
sys.exit("""\
An incompatible websocket library is conflicting with the one we need.
You can remove the incompatible library and install the correct one
by running the following commands:
yes | pip uninstall websocket websocket-client
pip install -U websocket-client""")
sys.exit("""Incompatible websocket implementation
- Please make sure that you have websocket-client installed
- Please remove other websocket implementations""")
ENGINEIO_PROTOCOL = 3
TRANSPORTS = 'xhr-polling', 'websocket'
TRANSPORTS = 'websocket', 'xhr-polling', 'jsonp-polling'
BOUNDARY = six.u('\ufffd')
TIMEOUT_IN_SECONDS = 3
_log = logging.getLogger(__name__)
escape_unicode = lambda x: codecs.getdecoder('unicode_escape')(x)[0]
try:
unicode
except NameError:
encode_unicode = lambda x: x
else:
encode_unicode = lambda x: unicode(x).encode('utf-8')
class AbstractTransport(object):
class _AbstractTransport(object):
def __init__(self, http_session, is_secure, url, engineIO_session=None):
self.http_session = http_session
self.is_secure = is_secure
self.url = url
self.engineIO_session = engineIO_session
def __init__(self):
self._packet_id = 0
self._callback_by_packet_id = {}
self._wants_to_disconnect = False
self._packets = []
def recv_packet(self):
pass
def _log(self, level, msg, *attrs):
_log.log(level, '[%s] %s' % (self._url, msg), *attrs)
def send_packet(self, engineIO_packet_type, engineIO_packet_data=''):
pass
def set_timeout(self, seconds=None):
pass
class XHR_PollingTransport(AbstractTransport):
def __init__(self, http_session, is_secure, url, engineIO_session=None):
super(XHR_PollingTransport, self).__init__(
http_session, is_secure, url, engineIO_session)
self._params = {
'EIO': ENGINEIO_PROTOCOL, 'transport': 'polling'}
if engineIO_session:
self._request_index = 1
self._kw_get = dict(
timeout=engineIO_session.ping_timeout)
self._kw_post = dict(
timeout=engineIO_session.ping_timeout,
headers={'content-type': 'application/octet-stream'})
self._params['sid'] = engineIO_session.id
def disconnect(self, path=''):
if not path:
self._wants_to_disconnect = True
if not self.connected:
return
if path:
self.send_packet(0, path)
else:
self._request_index = 0
self._kw_get = {}
self._kw_post = {}
http_scheme = 'https' if is_secure else 'http'
self._http_url = '%s://%s/' % (http_scheme, url)
self._request_index_lock = threading.Lock()
self._send_packet_lock = threading.Lock()
self.close()
def recv_packet(self):
params = dict(self._params)
params['t'] = self._get_timestamp()
response = get_response(
self.http_session.get,
self._http_url,
params=params,
**self._kw_get)
for engineIO_packet in decode_engineIO_content(response.content):
engineIO_packet_type, engineIO_packet_data = engineIO_packet
yield engineIO_packet_type, engineIO_packet_data
def connect(self, path):
self.send_packet(1, path)
def send_packet(self, engineIO_packet_type, engineIO_packet_data=''):
with self._send_packet_lock:
params = dict(self._params)
params['t'] = self._get_timestamp()
data = encode_engineIO_content([
(engineIO_packet_type, engineIO_packet_data),
])
response = get_response(
self.http_session.post,
self._http_url,
params=params,
data=memoryview(data),
**self._kw_post)
assert response.content == b'ok'
def send_heartbeat(self):
self.send_packet(2)
def _get_timestamp(self):
with self._request_index_lock:
timestamp = '%s-%s' % (
int(time.time() * 1000), self._request_index)
self._request_index += 1
return timestamp
def message(self, path, data, callback):
if isinstance(data, six.string_types):
code = 3
else:
code = 4
data = json.dumps(data, ensure_ascii=False)
self.send_packet(code, path, data, callback)
def emit(self, path, event, args, callback):
data = json.dumps(dict(name=event, args=args), ensure_ascii=False)
self.send_packet(5, path, data, callback)
class WebsocketTransport(AbstractTransport):
def ack(self, path, packet_id, *args):
packet_id = packet_id.rstrip('+')
data = '%s+%s' % (
packet_id,
json.dumps(args, ensure_ascii=False),
) if args else packet_id
self.send_packet(6, path, data)
def __init__(self, http_session, is_secure, url, engineIO_session=None):
super(WebsocketTransport, self).__init__(
http_session, is_secure, url, engineIO_session)
params = dict(http_session.params, **{
'EIO': ENGINEIO_PROTOCOL, 'transport': 'websocket'})
request = http_session.prepare_request(requests.Request('GET', url))
kw = {'header': ['%s: %s' % x for x in request.headers.items()]}
if engineIO_session:
params['sid'] = engineIO_session.id
kw['timeout'] = self._timeout = engineIO_session.ping_timeout
ws_url = '%s://%s/?%s' % (
'wss' if is_secure else 'ws', url, format_query(params))
http_scheme = 'https' if is_secure else 'http'
if http_scheme in http_session.proxies: # Use the correct proxy
proxy_url_pack = parse_url(http_session.proxies[http_scheme])
kw['http_proxy_host'] = proxy_url_pack.hostname
kw['http_proxy_port'] = proxy_url_pack.port
if proxy_url_pack.username:
kw['http_proxy_auth'] = (
proxy_url_pack.username, proxy_url_pack.password)
if http_session.verify:
if http_session.cert: # Specify certificate path on disk
if isinstance(http_session.cert, string_types):
kw['ca_certs'] = http_session.cert
else:
kw['ca_certs'] = http_session.cert[0]
else: # Do not verify the SSL certificate
kw['sslopt'] = {'cert_reqs': ssl.CERT_NONE}
def noop(self, path=''):
self.send_packet(8, path)
def send_packet(self, code, path='', data='', callback=None):
packet_id = self.set_ack_callback(callback) if callback else ''
packet_parts = str(code), packet_id, path, encode_unicode(data)
if not data:
packet_parts = packet_parts[:-1]
packet_text = ':'.join(packet_parts)
self.send(packet_text)
self._log(logging.DEBUG, '[packet sent] %s', packet_text)
def recv_packet(self, timeout=None):
try:
self._connection = websocket.create_connection(ws_url, **kw)
except Exception as e:
while self._packets:
yield self._packets.pop(0)
except IndexError:
pass
for packet_texts in self.recv(timeout=timeout):
#remove packet separator
packet_texts = re.sub('^\xef\xbf\xbd\w+\xef\xbf\xbd', '',
packet_texts)
packets = packet_texts.split('\xef\xbf\xbd')[::2]
for packet_text in packets:
self._log(logging.DEBUG, '[packet received] %s', packet_text)
sep_count = packet_text.count('\xef\xbf\xbd')/2
try:
packet_parts = packet_text.split(':', 3)
except AttributeError:
self._log(logging.WARNING, '[packet error] %s', packet_text)
continue
code, packet_id, path, data = None, None, None, None
packet_count = len(packet_parts)
if 4 == packet_count:
code, packet_id, path, data = packet_parts
elif 3 == packet_count:
code, packet_id, path = packet_parts
elif 1 == packet_count:
code = packet_parts[0]
if code and len(code) > 1:
code = code[-1]
yield code, packet_id, path, data
def _enqueue_packet(self, packet):
self._packets.append(packet)
def set_ack_callback(self, callback):
'Set callback to be called after server sends an acknowledgment'
self._packet_id += 1
self._callback_by_packet_id[str(self._packet_id)] = callback
return '%s+' % self._packet_id
def get_ack_callback(self, packet_id):
'Get callback to be called after server sends an acknowledgment'
callback = self._callback_by_packet_id[packet_id]
del self._callback_by_packet_id[packet_id]
return callback
@property
def has_ack_callback(self):
return True if self._callback_by_packet_id else False
class _WebsocketTransport(_AbstractTransport):
def __init__(self, socketIO_session, is_secure, base_url, **kw):
super(_WebsocketTransport, self).__init__()
url = '%s://%s/websocket/%s' % (
'wss' if is_secure else 'ws',
base_url, socketIO_session.id)
self._url = url
http_session = _prepare_http_session(kw)
req = http_session.prepare_request(requests.Request('GET', url))
headers = ['%s: %s' % item for item in req.headers.items()]
headers.append('Connection: keep-alive')
try:
self._connection = websocket.create_connection(url, header=headers)
except socket.timeout as e:
raise ConnectionError(e)
except socket.error as e:
raise ConnectionError(e)
self._connection.settimeout(TIMEOUT_IN_SECONDS)
@property
def connected(self):
return self._connection.connected
def send(self, packet_text):
try:
self._connection.send(packet_text)
except websocket.WebSocketTimeoutException as e:
message = 'timed out while sending %s (%s)' % (packet_text, e)
self._log(logging.WARNING, message)
raise TimeoutError(e)
except socket.error as e:
message = 'disconnected while sending %s (%s)' % (packet_text, e)
self._log(logging.WARNING, message)
raise ConnectionError(message)
def recv(self, timeout=None):
if timeout:
self._connection.settimeout(timeout)
try:
yield self._connection.recv()
except websocket.WebSocketTimeoutException as e:
raise TimeoutError(e)
except websocket.SSLError as e:
if 'timed out' in e.message:
raise TimeoutError(e)
else:
raise ConnectionError(e)
except websocket.WebSocketConnectionClosedException as e:
raise ConnectionError('connection closed (%s)' % e)
except socket.error as e:
raise ConnectionError(e)
def recv_packet(self):
def close(self):
self._connection.close()
class _XHR_PollingTransport(_AbstractTransport):
def __init__(self, socketIO_session, is_secure, base_url, **kw):
super(_XHR_PollingTransport, self).__init__()
self._url = '%s://%s/xhr-polling/%s' % (
'https' if is_secure else 'http',
base_url, socketIO_session.id)
self._connected = True
self._http_session = _prepare_http_session(kw)
# Create connection
for packet in self.recv_packet():
self._enqueue_packet(packet)
@property
def connected(self):
return self._connected
@property
def _params(self):
return dict(t=int(time.time()))
def send(self, packet_text):
_get_response(
self._http_session.post,
self._url,
params=self._params,
data=packet_text,
timeout=TIMEOUT_IN_SECONDS)
def recv(self, timeout=None):
response = _get_response(
self._http_session.get,
self._url,
params=self._params,
timeout=timeout or TIMEOUT_IN_SECONDS,
stream=True)
response_text = _get_text(response)
if not response_text.startswith(BOUNDARY):
yield response_text
return
for packet_text in _yield_text_from_framed_data(response_text):
yield packet_text
def close(self):
_get_response(
self._http_session.get,
self._url,
params=dict(list(self._params.items()) + [('disconnect', True)]))
self._connected = False
class _JSONP_PollingTransport(_AbstractTransport):
RESPONSE_PATTERN = re.compile(r'io.j\[(\d+)\]\("(.*)"\);')
def __init__(self, socketIO_session, is_secure, base_url, **kw):
super(_JSONP_PollingTransport, self).__init__()
self._url = '%s://%s/jsonp-polling/%s' % (
'https' if is_secure else 'http',
base_url, socketIO_session.id)
self._connected = True
self._http_session = _prepare_http_session(kw)
self._id = 0
# Create connection
for packet in self.recv_packet():
self._enqueue_packet(packet)
@property
def connected(self):
return self._connected
@property
def _params(self):
return dict(t=int(time.time()), i=self._id)
def send(self, packet_text):
_get_response(
self._http_session.post,
self._url,
params=self._params,
data='d=%s' % requests.utils.quote(json.dumps(packet_text)),
headers={'content-type': 'application/x-www-form-urlencoded'},
timeout=TIMEOUT_IN_SECONDS)
def recv(self, timeout=None):
'Decode the JavaScript response so that we can parse it as JSON'
response = _get_response(
self._http_session.get,
self._url,
params=self._params,
headers={'content-type': 'text/javascript; charset=UTF-8'},
timeout=timeout or TIMEOUT_IN_SECONDS)
response_text = _get_text(response)
try:
packet_text = self._connection.recv()
except websocket.WebSocketTimeoutException as e:
raise TimeoutError('recv timed out (%s)' % e)
except websocket.SSLError as e:
raise ConnectionError('recv disconnected by SSL (%s)' % e)
except websocket.WebSocketConnectionClosedException as e:
raise ConnectionError('recv disconnected (%s)' % e)
except socket.error as e:
raise ConnectionError('recv disconnected (%s)' % e)
engineIO_packet_type, engineIO_packet_data = parse_packet_text(
six.b(packet_text))
yield engineIO_packet_type, engineIO_packet_data
self._id, response_text = self.RESPONSE_PATTERN.match(
response_text).groups()
except AttributeError:
self._log(logging.WARNING, '[packet error] %s', response_text)
return
if not response_text.startswith(BOUNDARY):
yield escape_unicode(response_text)
return
for packet_text in _yield_text_from_framed_data(
response_text, escape_unicode):
yield packet_text
def send_packet(self, engineIO_packet_type, engineIO_packet_data=''):
packet = format_packet_text(engineIO_packet_type, engineIO_packet_data)
try:
self._connection.send(packet)
except websocket.WebSocketTimeoutException as e:
raise TimeoutError('send timed out (%s)' % e)
except socket.error as e:
raise ConnectionError('send disconnected (%s)' % e)
except websocket.WebSocketConnectionClosedException as e:
raise ConnectionError('send disconnected (%s)' % e)
def set_timeout(self, seconds=None):
self._connection.settimeout(seconds or self._timeout)
def close(self):
_get_response(
self._http_session.get,
self._url,
params=dict(list(self._params.items()) + [('disconnect', True)]))
self._connected = False
def get_response(request, *args, **kw):
def _yield_text_from_framed_data(framed_data, parse=lambda x: x):
parts = [parse(x) for x in framed_data.split(BOUNDARY)]
for text_length, text in zip(parts[1::2], parts[2::2]):
if text_length != str(len(text)):
warning = 'invalid declared length=%s for packet_text=%s' % (
text_length, text)
_log.warn('[packet error] %s', warning)
continue
yield text
def _get_response(request, *args, **kw):
try:
response = request(*args, stream=True, **kw)
response = request(*args, **kw)
except requests.exceptions.Timeout as e:
raise TimeoutError(e)
except requests.exceptions.ConnectionError as e:
raise ConnectionError(e)
except requests.exceptions.SSLError as e:
raise ConnectionError('could not negotiate SSL (%s)' % e)
status_code = response.status_code
if 200 != status_code:
raise ConnectionError('unexpected status code (%s %s)' % (
status_code, response.text))
except requests.exceptions.ConnectionError as e:
raise ConnectionError(e)
status = response.status_code
if 200 != status:
raise ConnectionError('unexpected status code (%s)' % status)
return response
def prepare_http_session(kw):
def _prepare_http_session(kw):
http_session = requests.Session()
http_session.headers.update(kw.get('headers', {}))
http_session.auth = kw.get('auth')
http_session.proxies.update(kw.get('proxies', {}))
http_session.hooks.update(kw.get('hooks', {}))
http_session.params.update(kw.get('params', {}))
http_session.verify = kw.get('verify', True)
http_session.verify = kw.get('verify')
http_session.cert = kw.get('cert')
http_session.cookies.update(kw.get('cookies', {}))
return http_session