add sass compiler

compress/compilers/sass/__init__.py

+from compress.conf import settings
+from compress.compilers import SubProcessCompiler
+
+
+class SASSCompiler(SubProcessCompiler):
+    def match_file(self, filename):
+        return filename.endswith('.scss')
+
+    def compile_file(self, content):
+        command = "%s %s" % (settings.COMPRESS_SASS_BINARY, settings.COMPRESS_SASS_ARGUMENTS)
+        if self.verbose:
+            command += '--verbose'
+        return self.execute_command(command, content)

compress/conf/settings.py

@@ -38,6 +38,9 @@ COMPRESS_UGLIFYJS_ARGUMENTS = getattr(settings, 'COMPRESS_UGLIFYJS_ARGUMENTS', '
 COMPRESS_COFFEE_SCRIPT_BINARY = getattr(settings, 'COMPRESS_COFFEE_SCRIPT_BINARY', '/usr/local/bin/coffee')
 COMPRESS_COFFEE_SCRIPT_ARGUMENTS = getattr(settings, 'COFFEE_SCRIPT_ARGUMENTS', '-sc')
 
+COMPRESS_SASS_BINARY = getattr(settings, 'COMPRESS_SASS_BINARY', '/usr/local/bin/sass')
+COMPRESS_SASS_ARGUMENTS = getattr(settings, 'COMPRESS_SASS_ARGUMENTS', '--scss')
+
 if COMPRESS_CSS_COMPRESSORS is None:
     COMPRESS_CSS_COMPRESSORS = []