made get_languages consistent

deep_translator/deepl.py

@@ -62,14 +62,14 @@ class DeepL(object):
 
     def translate_batch(self, batch, **kwargs):
         """
-        @param batch: list of texts to translate    
+        @param batch: list of texts to translate
         @return: list of translations
         """
         return [self.translate(text, **kwargs) for text in batch]
 
     @staticmethod
-    def get_supported_languages(**kwargs):
-        return [*DeepL._languages.keys()]
+    def get_supported_languages(as_dict=False, **kwargs):
+        return [*DeepL._languages.keys()] if not as_dict else DeepL._languages
 
     def _is_language_supported(self, lang, **kwargs):
         # The language is supported when is in the dicionary.

deep_translator/qcri.py

@@ -39,12 +39,12 @@ class QCRI(object):
             raise e
 
     @staticmethod
-    def get_supported_languages(**kwargs):
+    def get_supported_languages(as_dict=False, **kwargs):
         # Have no use for this as the format is not what we need
         # Save this for whenever
         # pairs = self._get("get_languages")
         # Using a this one instead
-        return [*QCRI_LANGUAGE_TO_CODE.keys()]
+        return [*QCRI_LANGUAGE_TO_CODE.keys()] if not as_dict else QCRI_LANGUAGE_TO_CODE
 
     @property
     def languages(self):

deep_translator/yandex.py

@@ -28,7 +28,14 @@ class YandexTranslator(object):
             "translate": "translate",
         }
 
-    def get_supported_languages(self):
+    @staticmethod
+    def get_supported_languages(as_dict=False, **kwargs):
+        """ this method is just for consistency."""
+        return """ this method is just for consistency. You need to create an instance of yandex and access
+                    supported languages using the languages property
+                """
+
+    def _get_supported_languages(self):
         return set(x.split("-")[0] for x in self.dirs)
 
     @property