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Re: [Discuss-gnuradio] maximum recursion depth exceeded
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] maximum recursion depth exceeded |
Date: |
Tue, 1 Jun 2010 09:57:14 -0700 |
User-agent: |
Mutt/1.5.20 (2009-08-17) |
On Tue, Jun 01, 2010 at 09:39:47AM -0700, Johnathan Corgan wrote:
> On Tue, Jun 1, 2010 at 07:52, Yan Nie <address@hidden> wrote:
>
> > An runtime error came out when I run my python prgram:
> > File "/home/john/gnuradio/gr-iono/usrp_source_c.py", line 16, in __init__
> > gr.io_signature(1,1,gr.sizeof_gr_complex)) #output signiture
> > File "/usr/local/lib/python2.5/site-packages/gnuradio/gr/hier_block2.py",
> > line 42, in __init__
> > self._hb = hier_block2_swig(name, input_signature, output_signature)
> > RuntimeError: maximum recursion depth exceeded
>
> This can happen if you create a hierarchical block in Python, but
> forget to call the parent Python class __init__ function in your own
> __init__ function, or if the arguments to the parent Python class
> __init__ function are malformed.
>
> Johnathan
Also, what version of GNU Radio are you using?
(I seem to remember we made a change that produced a more informative
message in this case.)
Eric