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
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
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