Fwd: [Qgis-developer] Writing a data provider in Python

[Gary Sherman]

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> On Mar 15, 2007, at 6:43 AM, Barry Rowlingson wrote:
>
>> I'm working with the 0.9 version and I've been writing python  
>> plugins happily. One thing I wanted to do was to be able to read  
>> excel spreadsheets into QGis.
>>
>> I looked at the delimited text C++ plugin and so I understand the  
>> fundamentals of a vector data provider, but I can't see how to add  
>> a new one to the registry. It seems that the registry populates  
>> itself at startup time, and there's no 'add provider' method of  
>> QgsProviderRegistry.
>>
>> So am I right in thinking that data providers have to be in C++ at  
>> the moment?
>
>

Actually it only scans files with a .dll  (Windows) or .so (Linux/Os  
X/*nix) extension at startup, looking for the required signatures.  
The plugin registry was modified to accommodate loading Python  
plugins. The data provider registry will need to be modified as well.

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Gary Sherman
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