Support for string compilation using indented (SASS) string syntax.

pysass.cpp

@@ -412,15 +412,15 @@ PySass_compile_string(PyObject *self, PyObject *args) {
     char *string, *include_paths;
     const char *error_message, *output_string;
     Sass_Output_Style output_style;
-    int source_comments, error_status, precision;
+    int source_comments, error_status, precision, indented;
     PyObject *custom_functions;
     PyObject *result;
 
     if (!PyArg_ParseTuple(args,
-                          PySass_IF_PY3("yiiyiO", "siisiO"),
+                          PySass_IF_PY3("yiiyiOi", "siisiOi"),
                           &string, &output_style, &source_comments,
                           &include_paths, &precision,
-                          &custom_functions)) {
+                          &custom_functions, &indented)) {
         return NULL;
     }
 
@@ -430,6 +430,7 @@ PySass_compile_string(PyObject *self, PyObject *args) {
     sass_option_set_source_comments(options, source_comments);
     sass_option_set_include_path(options, include_paths);
     sass_option_set_precision(options, precision);
+    sass_option_set_is_indented_syntax_src(options, indented);
     _add_custom_functions(options, custom_functions);
 
     sass_compile_data_context(context);

sass.py

@@ -205,6 +205,9 @@ def compile(**kwargs):
     :type custom_functions: :class:`collections.Set`,
                             :class:`collections.Sequence`,
                             :class:`collections.Mapping`
+    :param indented: optional declaration that the string is SASS, not SCSS
+                     formatted. :const:`False` by default
+    :type indented: :class:`bool`
     :returns: the compiled CSS string
     :rtype: :class:`str`
     :raises sass.CompileError: when it fails for any reason
@@ -449,9 +452,13 @@ def func_name(a, b):
         string = kwargs.pop('string')
         if isinstance(string, text_type):
             string = string.encode('utf-8')
+        indented = kwargs.pop('indented', False)
+        if not isinstance(indented, bool):
+            raise TypeError('indented must be bool, not ' +
+                            repr(source_comments))
         s, v = compile_string(
             string, output_style, source_comments, include_paths, precision,
-            custom_functions,
+            custom_functions, indented
         )
         if s:
             return v.decode('utf-8')

sasstests.py

@@ -256,6 +256,11 @@ def test_compile_string(self):
         self.assertRaises(TypeError, sass.compile, string=1234)
         self.assertRaises(TypeError, sass.compile, string=[])
 
+    def test_compile_string_sass_style(self):
+        actual = sass.compile(string='a\n\tb\n\t\tcolor: blue;',
+                              indented=True)
+        assert actual == 'a b {\n  color: blue; }\n'
+
     def test_compile_string_deprecated_source_comments_line_numbers(self):
         source = '''a {
             b { color: blue; }