#NEWLINE# def get_srid( self ) : #NEWLINE# #INDENT# 'Gets the SRID for the geometry, returns None if no SRID is set.' #NEWLINE# s = capi . geos_get_srid ( self . ptr ) #NEWLINE# if ( s == 0 ) : #NEWLINE# #INDENT# return None #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# return s