refactor KML writing methods to use 'unicode' encoding and update par…

…ameters for precision and verbosity

fastkml/base.py

@@ -189,20 +189,16 @@ def to_string(
                 str,
                 config.etree.tostring(
                     element,
-                    encoding="UTF-8",
+                    encoding="unicode",
                     pretty_print=prettyprint,
-                ).decode(
-                    "UTF-8",
                 ),
             )
         except TypeError:
             return cast(
                 str,
                 config.etree.tostring(
                     element,
-                    encoding="UTF-8",
-                ).decode(
-                    "UTF-8",
+                    encoding="unicode",
                 ),
             )
 

fastkml/kml.py

@@ -164,7 +164,7 @@ def etree_element(
         """
         # self.ns may be empty, which leads to unprefixed kml elements.
         # However, in this case the xlmns should still be mentioned on the kml
-        # element, just without prefix."""
+        # element, just without prefix.
         if not self.ns:
             root = config.etree.Element(
                 f"{self.ns}{self.get_tag_name()}",
@@ -250,7 +250,8 @@ def write(
         file_path: Path,
         *,
         prettyprint: bool = True,
-        xml_declaration: bool = True,
+        precision: Optional[int] = None,
+        verbosity: Verbosity = Verbosity.normal,
     ) -> None:
         """
         Write KML to a file.
@@ -261,28 +262,22 @@ def write(
                 Can be any string value
             prettyprint : bool, default=True
                 Whether to pretty print the XML.
-            xml_declaration: bool, default=True
-                For True, value is '<?xml version="1.0" encoding="UTF-8"?>' else ''
+            precision (Optional[int]): The precision used for floating-point values.
+            verbosity (Verbosity): The verbosity level for generating the KML element.
 
         """
-        element = self.etree_element()
+        element = self.etree_element(precision=precision, verbosity=verbosity)
 
         try:
             xml_content = config.etree.tostring(
                 element,
-                encoding="UTF-8",
+                encoding="unicode",
                 pretty_print=prettyprint,
-                xml_declaration=xml_declaration,
-            ).decode(
-                "UTF-8",
             )
         except TypeError:
             xml_content = config.etree.tostring(
                 element,
-                encoding="UTF-8",
-                xml_declaration=xml_declaration,
-            ).decode(
-                "UTF-8",
+                encoding="unicode",
             )
 
         if file_path.suffix == ".kmz":

tests/atom_test.py

@@ -25,11 +25,9 @@ class TestStdLibrary(StdLibrary):
     """Test with the standard library."""
 
     def test_atom_link_ns(self) -> None:
-        ns = "{http://www.opengis.net/kml/2.2}"
-        link = atom.Link(ns=ns)
-        assert link.ns == ns
+        link = atom.Link()
         assert link.to_string().startswith(
-            '<kml:link xmlns:kml="http://www.opengis.net/kml/2.2"',
+            '<atom:link xmlns:atom="http://www.w3.org/2005/Atom"',
         )
 
     def test_atom_link(self) -> None:

tests/kml_test.py

@@ -211,7 +211,7 @@ def test_write_kml_file(self) -> None:
         with tempfile.TemporaryDirectory() as tmpdir_name:
             file_path = pathlib.Path(tmpdir_name) / "output.kml"
 
-            doc.write(file_path=file_path, prettyprint=True, xml_declaration=False)
+            doc.write(file_path=file_path, prettyprint=True)
 
             assert file_path.is_file(), "KML file was not created."
             parsed_doc = kml.KML.parse(file_path)
@@ -239,7 +239,7 @@ def test_write_kmz_file(self) -> None:
         with tempfile.TemporaryDirectory() as tmpdir_name:
             file_path = pathlib.Path(tmpdir_name) / "output.kmz"
 
-            doc.write(file_path=file_path, prettyprint=True, xml_declaration=False)
+            doc.write(file_path=file_path, prettyprint=True)
 
             assert file_path.is_file(), "KMZ file was not created."
             tree = doc.to_string()