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Re: [Discuss-gnuradio] Best way to share/install hierarchical grc blocks
From: |
Porges, Donald |
Subject: |
Re: [Discuss-gnuradio] Best way to share/install hierarchical grc blocks? |
Date: |
Thu, 15 Mar 2012 17:53:03 -0400 |
I need to think about some of these ideas, but wanted to thank both of you for
the replies. My inclination right now is to install the .py.xml into the grc
installation-wide "blocks" directory, and the .py into the correct gr
subdirectory for my additions,
and then have an install-time step that edits the .py.xml so that the execfile
line points directly to that .py file. (I'm presuming that a hier-block
.py.xml file, once installed in the "normal" place, won't try to mess with
~/.grc_gnuradio, but I haven't tried it yet.) I'm using the
how-to-write-a-block framework, so the python install directory would be
available to the Makefile in the build/grc directory (which right now has no
build actions since it just is there for "make install")
Incidentally, I tried changing the execfile into "from dir import class", but
it seemed to not quite produce the same state, in that I was not able to
instantiate the module after that. But I may have just done something wrong
and given up too early.
On Mar 15, 2012, at 5:07 PM, Tom Rondeau wrote:
On Thu, Mar 15, 2012 at 3:28 PM, Porges, Donald
<address@hidden<mailto:address@hidden>> wrote:
Hi,
I'm trying to figure out a good way to distribute some custom heir blocks that
go with my low-level custom blocks I've written. The issue is that the xml and
py files are both generated into my ~/.grc_gnuradio directory, and the xml
files contain lines like
execfile("/Users/myname/.grc_gnuradio/file.py")
which obviously is not distributable. (Those lines get generated into any grc
output files that use the block, so editing it at the point of use is not much
of a solution.)
The obvious answer is to edit that line by hand, but the next problem is that I
don't even know where the gnuradio directory is for other people (could be a
different host platform, for instance). There also seems to be no "execfile
search path" concept, which would allow me to perform some light editing of the
xml file to remove the absolute path. So how do people share their created
hierarchical blocks?
(I suppose the answer could be "give them my .grc_gnuradio files and tell them
to edit all of the references", but that doesn't make for a nice delivery.)
Don Porges
Lyric Labs/Analog Devices
Does this help?
http://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioCompanion#Installing-the-XML-Block-Definition
Tom