Re: [Pydev-code] Is PyDev debugger using pdb?
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fabioz
From: Fabio Z. <fa...@es...> - 2013-06-03 00:38:33
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Hi Uri, PyDev does not use pdb in the backend. It uses the Python tracing directly (i.e.: sys.settrace and threading.settrace). This takes place at pydevd.PyDB.run (on pydevd_tracing.SetTrace(self.trace_dispatch) and threading.settrace(self.trace_dispatch)). After the call to settrace, all the calls to a new frame should go through pydevd.PyDB.trace_dispatch (and then if the debugger determines it's a frame it should be tracing -- as the debugger is very optimized in regards to only tracing the places where a breakpoint is added -- the calls should go through pydevd_frame.PyDBFrame.trace_dispatch). So, the first thing I'd do is do some prints on the trace_dispatch calls to get familiar with it on a small program and then move on to checking what may be happening at google app engine (the main thing there is probably getting the settrace in place -- you may want to check if the remote debugger works as it emulates a breakpoint in code). Cheers, Fabio On Sat, Jun 1, 2013 at 3:27 AM, Uri London <ur...@lo...> wrote: > Referring to googleappengine project in Google Code, issue 9012: > > > https://code.google.com/p/googleappengine/issues/detail?id=9012&q=Type%3DDefect&colspec=IDType Component Status Stars Summary Language Priority Owner Log > > Currently, PyDev debugger is broken in new dev_appserver. > Issue is marked as 'MoreInfoRequired', with the question being asked is: > Do you know if PyDev used pdb in the backend? > > I'd like to get this issue some traction, but I've failed to figure out in > the PyDev code how the debugger is implemented. Can you please describe or > get me some pointers where I can start reading? > > > > ------------------------------------------------------------------------------ > Get 100% visibility into Java/.NET code with AppDynamics Lite > It's a free troubleshooting tool designed for production > Get down to code-level detail for bottlenecks, with <2% overhead. > Download for free and get started troubleshooting in minutes. > http://p.sf.net/sfu/appdyn_d2d_ap2 > _______________________________________________ > pydev-code mailing list > pyd...@li... > https://lists.sourceforge.net/lists/listinfo/pydev-code > > |