- Try the latest gr_modtool from github - What you're doing seems weird--why are you connecting message blocks? These are meant as a hackish solution to access samples from outside the flow graph. Perhaps you want the new PDU to stream blocks?
MB
On Mon, Jan 28, 2013 at 04:42:04PM +0100, Nemanja Savic wrote:
> Since I don't know why gr_modtool doesn't work for me, I took the older
> working
> version and made very simple hier block in order to understand messages flow
> in
> gnuradio.
>
> The block code is following:
>
>
> from gnuradio import gr
>
> class msg_proba(gr.hier_block2):
> def __init__(self, ):
> gr.hier_block2.__init__(self, "msg_proba",
> gr.io_signature(1, 1, gr.sizeof_char), # Input signature
> gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
>
> gr_message_sink_0_msgq_out = gr_message_source_0_msgq_in =
> gr.msg_queue(4)
>
> self.gr_message_source_0 = gr.message_source(gr.sizeof_char*1,
> gr_message_source_0_msgq_in)
> self.gr_message_sink_0 = gr.message_sink(gr.sizeof_char*1,
> gr_message_sink_0_msgq_out, False)
>
> self.connect(self, self.gr_message_sink_0)
> self.connect(self.gr_message_source_0, self)
>
>
>
> and the test code is following:
>
>
>
> from gnuradio import gr, gr_unittest
> import test
> import msg_proba
>
> class qa_msg_proba (gr_unittest.TestCase):
>
> def setUp (self):
> self.tb = gr.top_block ()
>
> def tearDown (self):
> self.tb = None
>
> def test_001_msg_proba (self):
>
> self.src_data = ()
> self.expected_result = ()
>
> for i in range(51):
> self.src_data = self.src_data + (1,)
> self.expected_result = self.expected_result+(1,)
>
> self.src = gr.vector_source_b(self.src_data, False, 1)
> self.dst = gr.vector_sink_b ()
>
> self.msg_pr = msg_proba.msg_proba()
>
> self.tb.connect(self.src, self.msg_pr, self.dst)
>
> self.tb.run ()
> # check data
> result_data = dst.data ()
> self.assertEqual (expected_result, result_data)
>
> if __name__ == '__main__':
> gr_unittest.main ()
>
>
> When I run test, it doesn't finish. No errors, just stays active without
> giving
> any results.
>
> Can somebody provide some explanation?
>
>
>
>
> On Mon, Jan 28, 2013 at 10:28 AM, Nemanja Savic <vlasi...@gmail.com> wrote:
>
>
> I installed new version of gr_modtool script and it won't work. The error
> is following:
>
> [savi_ne@ts-070046nl gr-test]$ gr_modtool.py add -N rx_tx_message -t hier
> -l python
> Using Python < 2.7 possibly buggy. Ahem. Please send all complaints to
> /dev
> /null.
> Operating in directory .
> GNU Radio module name identified: test
> Language: Python
> Block/code identifier: rx_tx_message
> Enter valid argument list, including default arguments:
> Add Python QA code? [Y/n] n
> Traversing python...
> Adding file 'rx_tx_message.py'...
>
>
> Traceback (most recent call last):
>
> File "/usr/local/bin/gr_modtool.py", line 3369, in <module>
> main()
> File "/usr/local/bin/gr_modtool.py", line 3362, in main
> modtool.run()
> File "/usr/local/bin/gr_modtool.py", line 1339, in run
> self._run_python()
> File "/usr/local/bin/gr_modtool.py", line 1479, in _run_python
> self._write_tpl('block_python', 'python', fname_py)
> File "/usr/local/bin/gr_modtool.py", line 1324, in _write_tpl
> open(os.path.join(path, fname), 'w').write(get_template(tpl,
> **self._info))
> File "/usr/local/bin/gr_modtool.py", line 870, in get_template
> return str(GRMTemplate(Templates[tpl_id], searchList=kwargs))
> File "/usr/local/bin/gr_modtool.py", line 865, in __init__
> Cheetah.Template.Template.__init__(self, src, searchList=searchList)
> File "/usr/lib64/python2.6/site-packages/Cheetah/Template.py", line
> 1257,
> in __init__
> self._compile(source, file, compilerSettings=compilerSettings)
> File "/usr/lib64/python2.6/site-packages/Cheetah/Template.py", line
> 1551,
> in _compile
> keepRefToGeneratedCode=True)
> File "/usr/lib64/python2.6/site-packages/Cheetah/Template.py", line 795,
> in compile
> raise parseError
> Cheetah.Parser.ParseError:
>
> Error in the Python code which Cheetah generated for this template:
>
> ===========================================================================
> =====
>
> expected an indented block (DynamicallyCompiledCheetahTemplate.py, line
> 122)
>
> Line|Python Code
> ----|-------------------------------------------------------------
> 120 | deciminterp = ''
> 121 | else: # generated from line 42, col 1
> 122 | write(u'''from gnuradio import gr
> ^
> 123 |class ''')
> 124 | _v = VFFSL(SL,"blockname",True) # u'${blockname}' on line 46,
> col 7
> 125 | if _v is not None: write(_filter(_v,
> rawExpr=u'${blockname}'))
> # from line 46, col 7.
>
>
> ===========================================================================
> =====
>
> Here is the corresponding Cheetah code.
> ** I had to guess the line & column numbers, so they are probably
> incorrect:
>
> Line 42, column 1
>
> Line|Cheetah Code
> ----|-------------------------------------------------------------
> 39 |#else if $blocktype == 'decimator'
> 40 |#set $deciminterp = ', <+decimation+>'
> 41 |#set $deciminterp = ''
> 42 |#else
> ^
> 43 |#end if
> 44 |from gnuradio import gr
> 45 |
>
>
> Any suggestions how to ovecome this except using older version which
> worked
> perfectly?
>
>
>
> On Fri, Jan 25, 2013 at 9:22 PM, Nemanja Savic <vlasi...@gmail.com> wrote:
>
>
> Thank you Martin, I will try that on Monday.
>
> I suppose that I have older version of gr_modtool, cause there is no
> option -l for selecting language.
>
> My weekend would be maybe perfect If you or anybody else can explain
> to
> me why my code won't work, cause I have more or less copied block
> structure from grextras.
>
>
> Nice weekend
>
> Nemanja
>
>
>
> On Fri, Jan 25, 2013 at 5:18 PM, Martin Braun (CEL) <
> martin.br...@kit.edu> wrote:
>
> For a hier block in Python, do
>
> $ gr_modtool.py add -t hier -l python
>
> You need 3.6.3 to do that.
>
> Also, you'll need a new version of modtool (it usually lags a bit
> behind
> changes in GNU Radio).
>
> MB
>
>
>
> On Fri, Jan 25, 2013 at 05:05:56PM +0100, Nemanja Savic wrote:
> > Hi all,
> >
> >
> > today i was trying to make hierarchical signal processing block
> in Python. I
> > started with gr_modtool script, and configured it for hierpython
> block type.
> >
> >
> > My idea was to design block similar to packet framer, so inside
> of the new
> > block, I connected binary slicer and Framer sink. I have also
> declared message
> > queue.
> >
> >
> > Outside of main block, I designed another block which should
> collect messages
> > sent by framer from the main block.
> >
> >
> > When I wanted to run this block, I got following error:
> >
> >
> >
> > Traceback (most recent call last):
> > File "/home/savi_ne/work/gnuradio/GRC/top_block.py", line 439,
> in <module>
> > tb = top_block()
> > File "/home/savi_ne/work/gnuradio/GRC/top_block.py", line 183,
> in __init__
> > self.test_packet_proba_0 = test.packet_proba()
> > AttributeError: 'module' object has no attribute 'packet_proba'
> >
> >
> >
> > Next I found that maybe I have to put following line in
> __init__.py file:
> >
> > from packet_proba import *
> >
> >
> > After that I got similar error:
> >
> > Traceback (most recent call last):
> > File "/home/savi_ne/work/gnuradio/GRC/top_block.py", line 18,
> in <module>
> > import test
> > File "/usr/local/lib64/python2.6/site-packages/test/
> __init__.py", line 49, in
> > <module>
> > from packet_proba import *
> > File "/usr/local/lib64/python2.6/site-packages/test/
> packet_proba.py", line
> > 51, in <module>
> > class proba(gr.basic_block):
> > AttributeError: 'module' object has no attribute 'basic_block'
> >
> >
> > I have also tried with gr.block instead of gr.basic_block, but
> with identical
> > results.
> >
> >
> > Can anybody tell what's missing?
> >
> >
> > Thanks
> >
> >
> > --
> > Nemanja Savić
> >
>
>
> > _______________________________________________
> > Discuss-gnuradio mailing list
> > Discuss-gnuradio@gnu.org
> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
> --
> Karlsruhe Institute of Technology (KIT)
> Communications Engineering Lab (CEL)
>
> Dipl.-Ing. Martin Braun
> Research Associate
>
> Kaiserstraße 12
> Building 05.01
> 76131 Karlsruhe
>
> Phone: +49 721 608-43790
> Fax: +49 721 608-46071
> www.cel.kit.edu
>
> KIT -- University of the State of Baden-Württemberg and
> National Laboratory of the Helmholtz Association
>
> _______________________________________________
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
>
>
>
> --
>
> Nemanja Savić
>
>
>
>
> --
> Nemanja Savić
>
>
>
>
> --
> Nemanja Savić
>
> _______________________________________________
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
--
Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)
Dipl.-Ing. Martin Braun
Research Associate
Kaiserstraße 12
Building 05.01
76131 Karlsruhe
Phone: +49 721 608-43790
Fax: +49 721 608-46071
www.cel.kit.edu
KIT -- University of the State of Baden-Württemberg and
National Laboratory of the Helmholtz Association
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