# Calling a GRC file in another GUI

**URL:** <https://www.ruby-forum.com/t/calling-a-grc-file-in-another-gui/230016>\
**Category:** GNU Radio\
**Created:** [May 27, 2014, 11:38am UTC](https://www.ruby-forum.com/t/calling-a-grc-file-in-another-gui/230016 "2014-05-27T11:38:22Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [May 27, 2014, 11:38am UTC](https://www.ruby-forum.com/t/calling-a-grc-file-in-another-gui/230016/1 "2014-05-27T11:38:22Z")

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Hi,  
If i make a GUI in python language and i want to call a GRC file from  
that  
GUI by pressing a button or something,then it’s possible to call a file  
like that??  
Regards,  
Ali

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [May 27, 2014, 4:19pm UTC](https://www.ruby-forum.com/t/calling-a-grc-file-in-another-gui/230016/2 "2014-05-27T16:19:39Z")

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Yes, you can generate python out of that GRC file.

The usual way to go is creating a GRC flowgraph, and generating a hier  
block out of that, then using that hier block in your main Python  
program.

Greetings,  
Marcus

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [May 28, 2014, 5:00am UTC](https://www.ruby-forum.com/t/calling-a-grc-file-in-another-gui/230016/3 "2014-05-28T05:00:40Z")

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ok but whats a hier block?  
Regards,  
Ali

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [May 28, 2014, 9:13am UTC](https://www.ruby-forum.com/t/calling-a-grc-file-in-another-gui/230016/4 "2014-05-28T09:13:08Z")

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Hi Ali,

that’s a core concept explained in the “Writing Python Applications”  
tutorial and is referenced in the “How to write an OOT module”  
tutorial. I was assuming you read both; if not, please do.

Greetings,  
Marcus

On 28.05.2014 04:59, jason sam wrote:

> > Python program.
> > 
> > \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Discuss-gnuradio  
> > mailing

[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)://lists.gnu.org/mailman/listinfo/discuss-gnuradio

> >

* * *

> 

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<div class="post-metadata">

**Author:** ![aroon](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/b4bc9f/32.png) [@aroon](https://www.ruby-forum.com/u/aroon)\
**Post date:** [December 26, 2020, 1:31pm UTC](https://www.ruby-forum.com/t/calling-a-grc-file-in-another-gui/230016/5 "2020-12-26T13:31:02Z")

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I want to ask if you have amde this GUI can you tell me how to do it.  
Arooj