Fixed #25869 -- Added trim and precision properties to WKTWriter.

django/contrib/gis/geos/prototypes/io.py

@@ -54,6 +54,9 @@ wkt_writer_set_outdim = GEOSFuncFactory(
     'GEOSWKTWriter_setOutputDimension', argtypes=[WKT_WRITE_PTR, c_int]
 )
 
+wkt_writer_set_trim = GEOSFuncFactory('GEOSWKTWriter_setTrim', argtypes=[WKT_WRITE_PTR, c_char])
+wkt_writer_set_precision = GEOSFuncFactory('GEOSWKTWriter_setRoundingPrecision', argtypes=[WKT_WRITE_PTR, c_int])
+
 # WKBReader routines
 wkb_reader_create = GEOSFuncFactory('GEOSWKBReader_create', restype=WKB_READ_PTR)
 wkb_reader_destroy = GEOSFuncFactory('GEOSWKBReader_destroy', argtypes=[WKB_READ_PTR])
@@ -164,6 +167,9 @@ class WKTWriter(IOBase):
     _destructor = wkt_writer_destroy
     ptr_type = WKT_WRITE_PTR
 
+    _trim = False
+    _precision = None
+
     def write(self, geom):
         "Returns the WKT representation of the given geometry."
         return wkt_writer_write(self.ptr, geom.ptr)
@@ -178,6 +184,27 @@ class WKTWriter(IOBase):
             raise ValueError('WKT output dimension must be 2 or 3')
         wkt_writer_set_outdim(self.ptr, new_dim)
 
+    @property
+    def trim(self):
+        return self._trim
+
+    @trim.setter
+    def trim(self, flag):
+        self._trim = bool(flag)
+        wkt_writer_set_trim(self.ptr, b'\x01' if flag else b'\x00')
+
+    @property
+    def precision(self):
+        return self._precision
+
+    @precision.setter
+    def precision(self, precision):
+        if isinstance(precision, int) and precision >= 0 or precision is None:
+            self._precision = precision
+            wkt_writer_set_precision(self.ptr, -1 if precision is None else precision)
+        else:
+            raise AttributeError('WKT output rounding precision must be non-negative integer or None.')
+
 
 class WKBWriter(IOBase):
     _constructor = wkb_writer_create