Message110065
pdb.Pdb.checkline() throws AttributeError at pdb.py:470 if invoked before starting a debugging session because self.curframe doesn't exist at that time.
This breaks IPython's %run magic command (v0.10, Magic.py:1663). The command sets a breakpoint before running the script and scans the file before that to make sure the breakpoint is set on an executable line.
This is a reasonable thing to do: setting a breakpoint and making sure it is set correctly shouldn't require a running debug session. So i conclude it is pdb, not IPython, that shall be fixed.
The patch attached gives linecache.getline() None as module_globals if self.curframe doesn't exist.
The rationale is: even if the script does use PEP302 import stuff, we can't know or use that before running it. So it's ok if we stay limited with usual paths. |
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Date |
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2010-07-12 03:56:30 | __Vano | set | recipients:
+ __Vano |
2010-07-12 03:56:30 | __Vano | set | messageid: <1278906990.65.0.476539166106.issue9230@psf.upfronthosting.co.za> |
2010-07-12 03:56:28 | __Vano | link | issue9230 messages |
2010-07-12 03:56:27 | __Vano | create | |
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