[IPython-user] Cannot step debugger in IPython 0.9.1 under Python 2.6.2: Pdb instance has no attribute 'curframe'

[Brian Granger]

Can you file a bug report here:

https://launchpad.net/ipython/+filebug

Thanks!

Brian

On Wed, May 13, 2009 at 2:32 AM, Jon Olav Vik <jonovik@gmail.com> wrote:
> I cannot step into scripts with "run -d"; ipython halts before the
> first line with "Pdb instance has no attribute 'curframe'". It fails
> even when debugging very simple files and with no user-specific
> customizations loaded, no .bash_profile and no PYTHONPATH, in a
> pristine directory so none of my files should override any defaults.
> "run" without -d option works. Plain Python also works as usual.
>
> I'm not sure when this problem arose, but it may have been after an
> upgrade from the versions included with Ubuntu 8.04 (Python 2.5.2 and
> IPython 0.8.1? wild guess).
>
> Any help would be greatly appreciated.
>
> Best regards,
> Jon Olav
>
>
> -bash-3.00$ ipython
> /global/apps/python/2.6.2/lib/python2.6/site-packages/ipython-0.9.1-py2.6.egg/IPython/Magic.py:38:
> DeprecationWarning: the sets module is deprecat
>  from sets import Set
> Python 2.6.2 (r262:71600, Apr 27 2009, 23:59:28)
> Type "copyright", "credits" or "license" for more information.
>
> IPython 0.9.1 -- An enhanced Interactive Python.
>
> [...]
>
> In [1]: cat debug_me.py
> """Check if the IPython debugger has problems"""
>
> x = 2 + 2
> print x / 0
>
> In [2]: run -d debug_me.py
> ---------------------------------------------------------------------------
> AttributeError                            Traceback (most recent call last)
>
> /home/jonvi/<ipython console> in <module>()
>
> /global/apps/python/2.6.2/lib/python2.6/site-packages/ipython-0.9.1-py2.6.egg/IPython/iplib.pyc
> in ipmagic(self, arg_s)
>   951         else:
>   952             magic_args = self.var_expand(magic_args,1)
> --> 953             return fn(magic_args)
>   954
>   955     def ipalias(self,arg_s):
>
> /global/apps/python/2.6.2/lib/python2.6/site-packages/ipython-0.9.1-py2.6.egg/IPython/Magic.pyc
> in magic_run(self, parameter_s, runner)
>  1613                     maxtries = 10
>  1614                     bp = int(opts.get('b',[1])[0])
> -> 1615                     checkline = deb.checkline(filename,bp)
>  1616                     if not checkline:
>  1617                         for bp in range(bp+1,bp+maxtries+1):
>
> /global/apps/python/2.6.2/lib/python2.6/pdb.pyc in checkline(self,
> filename, lineno)
>   450         line or EOF). Warning: testing is not comprehensive.
>   451         """
> --> 452         line = linecache.getline(filename, lineno,
> self.curframe.f_globals)
>   453         if not line:
>   454             print >>self.stdout, 'End of file'
>
> AttributeError: Pdb instance has no attribute 'curframe'
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