Upload code to Blockly

[ahmed aroui]

Hello,
I'm working on a project that uses the Google Blockly API.
I have understood something that to import code we have to pass by uploading xml to the content_xml.
So any idea how to generate the Blockly/xml corresponding to each line of the arbutrary code (python for example)?

The arbitrary code corresponds to the blockly blocks and my own (custom) blocks. but not wel formed like the generated code.

thanks.

[Kevin Hahn]

Blockly does not support taking code and translating it into Blockly xml. Take a look at this FAQ answer

[Carlos Galarza]

Hi ahmed, to achieve this you should:

 - make a parser or find one: for python you can use filbert, or for javascript the acorn parser, both are AST parsers with mozilla parser API compatibility.

 - make a renderer wich displays AST directly in blocks or a converter to XML. An example of a renderer are this, but could be easily rewritten like a converter from AST to XML.

I'm very interested in this feature and i'm working in it like an extension for Blockly. If you are interested i'll be happy to share my advances in this topic.

[ahmed aroui]

Thank's for Help Carlos & Kevin.

I will try to do my best

Best Regards

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ELAROUI Ahmed

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[Austin Bart]

This project isn't being publicly released yet, but this is related to my dissertation work:

https://dl.dropboxusercontent.com/u/23141976/blockpy/blockpy.html

We're using a custom fork of blockly that makes it more pythonic. The advantage is that we can do roughly 1-1 mutual language translation with Python. It's not 100% (while loops aren't available, for instance), but it should definitely let you get a feel for it.

We don't have a name for it yet, so we're codenaming it Blockpy. 

~Cory

[Dhanashree Revagade]

Hey Carlos, thanks for the steps for mentioning the code to Blocks conversion.

Could you please elaborate a bit more on the second point of Converting AST to XML. 

Using a python parser I got the JSON AST representation of python code, but I'm not clear how to proceed further to convert my AST to Blockly XML.

Thank You. 

[Austin Bart]

You may find this project to be of interest: https://github.com/blockpy-edu/BlockMirror

We split off our Block<->Python editor from the rest of BlockPy last summer. In theory, you should be able to just use BlockMirror as a stand alone entity now.