Added loaderon-hooks logic

pre_commit_hooks/loaderon-hooks/general_hooks/check_class_docstring.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+import re
+
+from pre_commit_logic.util.template_methods.lines_checker_template_method import LinesCheckerTemplateMethod
+
+
+class ClassDocstringChecker(LinesCheckerTemplateMethod):
+    def _check_line(self):
+        regular_expression = r'^(\t| )*class .+\(.*\):'
+        pattern = re.compile(regular_expression)
+        if pattern.match(self._file_line):
+            self.__check_class_docstring(self._file_line_index)
+
+    def __check_class_docstring(self, class_line_index):
+        class_first_line = self._file_lines[class_line_index + 1]
+        if class_first_line in ['\n', '\r\n']:
+            self.inform_check_failure('El docstring de la clase {} está separado de su clase por una o más líneas en '
+                                      'blanco.'.format(self._file_lines[class_line_index]))
+        if not class_first_line.strip().startswith('\"\"\"'):
+            self.inform_check_failure('La clase {} no tiene docstring.'.format(self._file_lines[class_line_index]))
+
+
+def main(argv=None):
+    return ClassDocstringChecker(argv).run()
+
+
+if __name__ == '__main__':
+    exit(main())