Add deprecation warning

README.md

@@ -2963,6 +2963,10 @@ dataset_info:
 
 # Dataset Card for common_voice
 
+<div class="course-tip course-tip-orange bg-gradient-to-br dark:bg-gradient-to-r before:border-orange-500 dark:before:border-orange-800 from-orange-50 dark:from-gray-900 to-white dark:to-gray-950 border border-orange-50 text-orange-700 dark:text-gray-400">
+<p><b>Deprecated:</b> Dataset "common_voice" is deprecated and will soon be deleted. Use datasets under <a href="https://huggingface.co/mozilla-foundation">mozilla-foundation</a> organisation instead. For example, you can load <a href="https://huggingface.co/datasets/mozilla-foundation/common_voice_11_0">Common Voice 11</a> dataset via <code>load_dataset("mozilla-foundation/common_voice_11_0", "en")</code></p>
+</div>
+
 ## Table of Contents
 - [Dataset Description](#dataset-description)
   - [Dataset Summary](#dataset-summary)

common_voice.py

@@ -16,6 +16,7 @@
 
 
 import os
+import warnings
 
 import datasets
 from datasets.tasks import AutomaticSpeechRecognition
@@ -629,6 +630,16 @@ class CommonVoice(datasets.GeneratorBasedBuilder):
     ]
 
     def _info(self):
+
+        warnings.warn(
+            """
+            This version of the Common Voice dataset is deprecated.
+            You can download the latest one with
+            >>> load_dataset(\"mozilla-foundation/common_voice_11_0\", \"en\")
+            """, 
+            FutureWarning,
+        )      
+        
         features = datasets.Features(
             {
                 "client_id": datasets.Value("string"),