[geos-devel] python.i doesn't exist... why?

[Charlie Savage]

Hi Pablo,

Sorry not to respond sooner - I just got back from vacation.

What python.i is used for is to generate geos_wrap.cxx using SWIG.  If 
you look, you'll see that file exists.  So theory you could get by 
without python.i and just run the part of the build script that 
builds/installs the extensions.

However, there unfortunately there is a problem with that because the 
geos_wrap.cxx file includes pointers to a method called readHex which 
does not actually exist in geos 2.2.2 (well, it does in my version but 
no release version).

So I'd recommend:

Create python.i in your swig/python directory.  Then put this code into it:

%template(vector_GeometryP) std::vector<geos::Geometry *>;
%template(vector_LineStringP) std::vector<geos::LineString *>;
%template(vector_PolygonP) std::vector<geos::Polygon *>;

Then make sure you have swig 1.3.29 installed.  Then try the build 
script again.  You may also want to delete geos_wrap.cxx before you start.

Hope this helps,

Charlie



Pablo Souza Grigoletti wrote:
> Hi people,
> 
> As nobody answers my question... I want to know if:
> 
> - Nobody knows the answer?
> - Nobody wants to answer?
> - Or nobody undestands me?
> 
> Best regards
> Pablo
> 
>> Hello people,
>>
>> My name is Pablo, I'm Brazilian.
>> I'm trying to compile a Python version of GEOS.
>>
>> To do this I'm using:
>>
>> - geos-2.2.2
>> - swig-1.3.29
>> - Debian GNU/Linux
>>
>> I did ./configure, make, make install... no problems in this part.
>> So, geos was installed OK.
>>
>> So, I had tu use the swig (it's already installed) to do the Python
>> version. But when I used it, I need the file python.i.
>>
>> I want to know why the file ruby.i exists and the python.i doesn't?
>>
>> The following lines on geos.i include this file (python.i):
>>
>> #ifdef SWIGPYTHON
>> %include ../python/python.i
>> #endif
>>
>> What can I do?
>> Thanks,
>> Sorry by my terrible English.
>>
>> Pablo
> 
> 		
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