On Tue, Jan 29, 2013 at 7:00 AM, Nemanja Savic <vlasi...@gmail.com> wrote:
> Guys,
>
> i am not able to load gr.basic_block and make signal processing block in
> Python. Simplu, there is no binding within gnuradio/gr for that class.
> It works perfectly for gr.hier)block2 class.
> What might be the problem?
>
> Thanks
>
I'm not sure what you mean by "load gr.basic_block." Do you mean inherit
from?
For signal processing endpoints, you want to use either gr_block,
gr_sync_block, gr_sync_decimator or gr_sync_interpolator.
Tom
> On Tue, Jan 29, 2013 at 12:57 PM, Nemanja Savic <vlasi...@gmail.com>wrote:
>
>> Hi Martin,
>>
>> here is the error I got when trying to use new version of gr_modtool:
>>
>> [savi_ne@ts-070046nl Desktop]$ gr_modtool.py help
>>
>> Using Python < 2.7 possibly buggy. Ahem. Please send all complaints to
>> /dev/null.
>> Traceback (most recent call last):
>> File "/usr/local/bin/gr_modtool.py", line 2665, in <module>
>> main()
>> File "/usr/local/bin/gr_modtool.py", line 2656, in main
>> modtool = cmd_dict[command]()
>> File "/usr/local/bin/gr_modtool.py", line 2629, in __init__
>> ModTool.__init__(self)
>> File "/usr/local/bin/gr_modtool.py", line 282, in __init__
>> self.parser = self.setup_parser()
>> File "/usr/local/bin/gr_modtool.py", line 290, in setup_parser
>> parser = OptionParser(usage=Templates['usage'], add_help_option=False)
>> NameError: global name 'Templates' is not defined
>>
>>
>>
>> On Mon, Jan 28, 2013 at 10:14 PM, Nemanja Savic <vlasi...@gmail.com>wrote:
>>
>>> Hi all,
>>>
>>> In my first post from today, where I reported error in gr_modtool, I was
>>> using script downloaded from github this morning (just to clarifu how old
>>> scriot I used).
>>> Basically I am trying to make my own packet deframer block, and they are
>>> more or less designed like that. This block was designed just to see how
>>> messages work. In GRC when I connect them in that way it works, but in test
>>> script above it doesn't work.
>>> Basically the problem comes from making similar block like packet
>>> deframer, but I am not able to import gr.block, or gr.basic_block in python
>>> (and gr.hier_block2 works perfectly)
>>>
>>> Cheers
>>>
>>>
>>> On Mon, Jan 28, 2013 at 5:05 PM, Martin Braun (CEL) <
>>> martin.br...@kit.edu> wrote:
>>>
>>>> - 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
>>>>
>>>> _______________________________________________
>>>> 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
>
>
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