Mailman 3 May 2012 - Twisted

[Twisted-Python] question : json.loads failed using LineReceiver data
by bino oetomo May 14, 2012

May 14, 2012

Dear All .. I'm trying to received json formated text using LineReceiver Here is my code ----START---- class ArduinoReceiver(LineReceiver): def __init__(self): print 'INIT : ArduinoReceiver' def lineReceived(self, line): line = line.strip() print 'Received line = '+line if 'Arduino' in line : return self.linedict=json.loads(line) ----STOP----- but I got error msg in the log as : ----START---- 2012-05-14 15:42:00+0700 [-] … [View More]Received line = '{"a_flw_fwd":12,"a_flw_rtr":5029,"a_rpm":519,"b_flw_fwd":23,"b_flw_rtr":8,"b_rpm":913}' 2012-05-14 15:42:00+0700 [-] Unhandled Error Traceback (most recent call last): File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/python/log.py", line 84, in callWithLogger return callWithContext({"system": lp}, func, *args, **kw) File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/python/log.py", line 69, in callWithContext return context.call({ILogContext: newCtx}, func, *args, **kw) File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/python/context.py", line 118, in callWithContext return self.currentContext().callWithContext(ctx, func, *args, **kw) File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/python/context.py", line 81, in callWithContext return func(*args,**kw) --- <exception caught here> --- File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/internet/posixbase.py", line 586, in _doReadOrWrite why = selectable.doRead() File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/internet/_posixserialport.py", line 62, in doRead return fdesc.readFromFD(self.fileno(), self.protocol.dataReceived) File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/internet/fdesc.py", line 94, in readFromFD callback(output) File "/usr/local/lib/python2.6/dist-packages/Twisted-11.1.0_r33425-py2.6-linux-i686.egg/twisted/protocols/basic.py", line 564, in dataReceived why = self.lineReceived(line) File "./kapal02.tac", line 48, in lineReceived self.linedict=json.loads(line) File "/usr/lib/python2.6/json/__init__.py", line 307, in loads return _default_decoder.decode(s) File "/usr/lib/python2.6/json/decoder.py", line 319, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File "/usr/lib/python2.6/json/decoder.py", line 338, in raw_decode raise ValueError("No JSON object could be decoded") exceptions.ValueError: No JSON object could be decoded ----STOP----- I try to do json.loads based on received msg using python console, and it work : ---START--------- bino@bino-desktop:/var/log/rabbitmq$ python Python 2.6.6 (r266:84292, Sep 15 2010, 15:52:39) [GCC 4.4.5] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import json >>> aa='{"a_flw_fwd":12,"a_flw_rtr":5029,"a_rpm":519,"b_flw_fwd":23,"b_flw_rtr":8,"b_rpm":913}' >>> mydict=json.loads(aa) >>> print mydict['a_flw_fwd'] 12 ---STOP---------- Kindly please tell me why the 'json.loads' is failed in my tac file while it work in python console. Sincerely -bino- [View Less]

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[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com May 13, 2012

May 13, 2012

1 0

[Twisted-Python] Weekly Bug Summary
by exarkun＠twistedmatrix.com May 6, 2012

May 6, 2012

1 0

[Twisted-Python] feedback on next version of Fireshark using twisted framework....
by Stephan May 4, 2012

May 4, 2012

Hi I have an open source project that is pretty well-known in the security community. http://www.fireshark.org it's a service wrapper that runs a headless version of firefox to visit malicious sites to store telemetry data. The old service used PERL for threading (very painful), so a while ago I changed everything to python using the twisted framework. the service's job is to launch a choose a firefox profile, launch the process and handle closes and crashes approprietly. the launch of … [View More]

4 4

[Twisted-Python] (no subject)
by Dmitriy Komarov May 3, 2012

May 3, 2012

Hi All, Our team is setting up Twisted to access Mercurial over SSH. SSH connection, key exchange, and receiving large amount of data from the client work nicely, but sending server data back to the client ends up with a PuTTY Fatal Error "Incoming packet was garbled on decryption" at a random point. If plink compression is disabled, the error happens very rarely, but overall SSH performance becomes unacceptable. If plink uses compression, the error occurs within 1-10 seconds from starting … [View More]

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[Twisted-Python] Releasing 12.1
by Itamar Turner-Trauring May 1, 2012

May 1, 2012

Once 12.1 is out, we'll be able to drop Python 2.5 support in trunk. This will make life easier for one of our Google Summer of Code students who will be working on the start of Python 3 support, so it'd be good to get it done soon. In order to release 12.1, we need: 1. To finish code reviews of remaining 12.1 tickets and merge: http://twistedmatrix.com/trac/query?status=assigned&status=new&status=reope… These include two gtk3 tickets: gtk3 is new in 12.1, and I'd like to ship … [View More]

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