added cli class

deep_translator/__main__.py

@@ -15,10 +15,10 @@ def main():
                         '-trans',
                         default='google',
                         type=str,
-                        help="name of the translator you want to use",
-                        required=True)
+                        help="name of the translator you want to use")
     parser.add_argument('--source',
                         '-src',
+                        default='auto',
                         type=str,
                         help="source language to translate from")
     parser.add_argument('--target',
@@ -37,11 +37,11 @@ def main():
 
     args = parser.parse_args()
 
-    cli = CLI()
+    cli = CLI(args)
     if args.languages:
-        cli.get_supported_languages(args)
+        cli.get_supported_languages()
     else:
-        cli.translate(args)
+        cli.translate()
 
 
 if __name__ == "__main__":

deep_translator/cli.py

@@ -16,8 +16,9 @@ from .libre import LibreTranslator
 class CLI(object):
 
     translators_dict = None
+    translator = None
 
-    def __init__(self):
+    def __init__(self, args):
         self.translators_dict = {
             'google': GoogleTranslator,
             'pons': PonsTranslator,
@@ -30,32 +31,32 @@ class CLI(object):
             'qcri': QCRI,
             'papago': PapagoTranslator
         }
-
-    def _get_translator(self, name):
-        return self.translators_dict[name]
-
-    def translate(self, args):
+        self.args = args
+        translator_class = self.translators_dict.get(self.args.translator, None)
+        if not translator_class:
+            raise Exception(f"Translator {self.args.translator} is not supported."
+                            f"Supported translators: {list(self.translators_dict.keys())}")
+        self.translator = translator_class(source=args.source, target=args.target)
+
+    def translate(self):
         """
         function used to provide translations from the parsed terminal arguments
-        @param args: parsed terminal arguments
         @return: None
         """
-        translator = self._get_translator(args.translator)
-        res = translator.translate(args.text)
-        print(" | Translation from {} to {} |".format(args.source, args.target))
-        print("Translated text: \n {}".format(res))
+        res = self.translator.translate(self.args.text)
+        print("Translation from {} to {}".format(self.args.source, self.args.target))
+        print("-"*50)
+        print("Translation result: {}".format(res))
 
-    def get_supported_languages(self, args):
+    def get_supported_languages(self):
         """
         function used to return the languages supported by the translator service from the parsed terminal arguments
-        @param args: parsed terminal arguments
         @return: None
         """
-        translator = self._get_translator(args.translator)
-        translator_supported_languages = translator.get_supported_languages(as_dict=True)
-        print(f'Languages supported by \'{args.translator}\' are :\n')
+
+        translator_supported_languages = self.translator.get_supported_languages(as_dict=True)
+        print(f'Languages supported by \'{self.args.translator}\' are :\n')
         print(translator_supported_languages)
-        sys.exit()
 
 
 

docs/README.rst

@@ -156,7 +156,11 @@ or even directly from terminal:
 
 .. code-block:: console
 
-    $ deep-translator translate -src "en" -tgt "de" -txt "keep it up, you are awesome"
+    $ deep-translator -src "en" -tg "de" -txt "hello world"
+
+    or shorter
+
+    $ dt -tg de -txt "hello world"
 
 
 =====
@@ -534,7 +538,7 @@ Libre Translator
 .. note::
 
     Libre translate has multiple  `mirrors <https://github.com/LibreTranslate/LibreTranslate#mirrors>`_ which can be used for the API endpoint.
-    Some require an API key to be used. By default the base url is set to `libretranslate.de <https://libretranslate.de/>`_ . 
+    Some require an API key to be used. By default the base url is set to `libretranslate.de <https://libretranslate.de/>`_ .
     This can be set using the "base_url" input parameter.
 
 .. code-block:: python
@@ -565,8 +569,8 @@ Libre Translator
 .. code-block:: python
 
     translated = LibreTranslator(source='auto', target='en').translate_file('path/to/file')
-    
-    
+
+
 
 Proxy usage
 -------------