Re: [Discuss-gnuradio] Problem with installation - grc does not start

[Josh Blum]

The default behavior is to install the blocks to 
<prefix>/share/gnuradio/grc/blocks/ GRC knows to look in that path, so 
you must have done something strange to your gnuradio installation.

If you know where you installed the xml block files. You can set the 
path in the following two ways (copied from the wiki):

Method 2: Configuration File

Create or edit ~/.gnuradio/config.conf and add the following lines:

[grc]
local_blocks_path=/path/to/my/blocks

The local_blocks_path can contain multiple paths separated by colons: 
local_blocks_path=/path/to/blocks1:/path/to/blocks2


Method 3: Environment Variable

Set the GRC_BLOCKS_PATH environment variable to a path that contains 
your custom block wrapper. The GRC_BLOCKS_PATH can contain multiple 
paths separated by colons: GRC_BLOCKS_PATH=/path/to/blocks1:/path/to/blocks2

-josh

On 09/21/2010 03:19 AM, Thorsten Laude wrote:
> Hi,
>
> I've installed gnuradio following this guide:
> http://www.mail-archive.com/address@hidden/msg26238.html
>
> While installing everything was fine and I had no error messages.
> After the installation I tried to start grc and got the error messages
> posted below.
> The default dehvior
> In http://www.ruby-forum.com/topic/190977 the following work-around
> was descried:
>
> Johnathan Corgan wrote:
>   >  It looks like we're having some sort of problem with the GNU Radio
>   >  prefs system.  We've at least established that you can get this
>   >  working by copying the /etc/gnuradio/conf.d/grc.conf contents into
>   >  your local ~/.gnuradio/config.conf:
>   >
>   >  $ touch ~/.gnuradio/config.conf
>   >  $ cat /etc/gnuradio/conf.d/grc.conf>>  ~/.gnuradio/config.conf
>   >
>   >  Johnathan
>
> Unfortunately this doesn't work because I have no /etc/gnuradio/ . Is
> this folder normally created automatically when you install gnuradio?
>
> Can anybody help me?
>
> OS: Kubuntu 10.04
> gnuradio from git, branch next.
>
>
> Thanks,
> Thorsten
>
>
>
> Error messages:
>
> address@hidden:~/gnuradio-uhd/gnuradio$ grc
> <<<  Welcome to GNU Radio Companion 3.2.2>>>
> Error: 'options'
> > > > Failue
> Traceback (most recent call last):
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/gui/MainWindow.py",
> line 174, in new_page
>      flow_graph = self._platform.get_new_flow_graph()
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/Platform.py",
> line 149, in get_new_flow_graph
>      def get_new_flow_graph(self): return self.FlowGraph(self)
>    File "<string>", line 4, in __init__
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/FlowGraph.py",
> line 37, in __init__
>      self.import_data()
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/FlowGraph.py",
> line 192, in import_data
>      self._options_block = self.get_parent().get_new_block(self, 'options')
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/Platform.py",
> line 159, in get_new_block
>      def get_new_block(self, flow_graph, key): return
> self.Block(flow_graph, n=self._blocks_n[key])
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/odict.py",
> line 34, in __getitem__
>      return self._data[key]
> KeyError: 'options'
> Error: 'options'
> > > > Failue
> Traceback (most recent call last):
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/gui/MainWindow.py",
> line 174, in new_page
>      flow_graph = self._platform.get_new_flow_graph()
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/Platform.py",
> line 149, in get_new_flow_graph
>      def get_new_flow_graph(self): return self.FlowGraph(self)
>    File "<string>", line 4, in __init__
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/FlowGraph.py",
> line 37, in __init__
>      self.import_data()
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/FlowGraph.py",
> line 192, in import_data
>      self._options_block = self.get_parent().get_new_block(self, 'options')
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/Platform.py",
> line 159, in get_new_block
>      def get_new_block(self, flow_graph, key): return
> self.Block(flow_graph, n=self._blocks_n[key])
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/base/odict.py",
> line 34, in __getitem__
>      return self._data[key]
> KeyError: 'options'
> Traceback (most recent call last):
>    File "/usr/bin/grc", line 53, in<module>
>      ActionHandler(args, Platform())
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/gui/ActionHandler.py",
> line 70, in __init__
>      self.handle_states(Actions.APPLICATION_INITIALIZE)
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/gui/ActionHandler.py",
> line 332, in handle_states
>      
> Actions.get_action_from_name(Actions.ELEMENT_DELETE).set_sensitive(bool(self.get_flow_graph().get_selected_elements()))
>    File "/usr/lib/python2.6/dist-packages/gnuradio/grc/gui/MainWindow.py",
> line 281, in get_flow_graph
>      return self.get_page().get_flow_graph()
> AttributeError: 'NoneType' object has no attribute 'get_flow_graph'
>
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