Fix: check availability of both source and destination language

refs #2
ssut · Jul 17, 2015 · 6a101f4 · 6a101f4
1 parent 7a59b8a
commit 6a101f4
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/googletrans/translator.py b/googletrans/translator.py
@@ -74,6 +74,11 @@ def translate(text, dest='en', src='auto'):
             result.append(translated)
         return result
 
+    if dest not in LANGUAGES.keys():
+        raise ValueError('incorrect destination language')
+    if src != 'auto' and src not in LANGUAGES.keys():
+        raise ValueError('incorrect source language')
+
     result = ''
     sess = agent() # acquire requests session
     origin = text