Print all results, not all alternatives [(#1098)](#1098)

Author: jerjou

speech/snippets/transcribe.py

@@ -51,10 +51,9 @@ def transcribe_file(speech_file):
     # [START migration_sync_response]
     response = client.recognize(config, audio)
     # [END migration_sync_request]
-    alternatives = response.results[0].alternatives
-
-    for alternative in alternatives:
-        print('Transcript: {}'.format(alternative.transcript))
+    # Print the first alternative of all the consecutive results.
+    for result in response.results:
+        print('Transcript: {}'.format(result.alternatives[0].transcript))
     # [END migration_sync_response]
 # [END def_transcribe_file]
 
@@ -76,10 +75,9 @@ def transcribe_gcs(gcs_uri):
     # [END migration_audio_config_gcs]
 
     response = client.recognize(config, audio)
-    alternatives = response.results[0].alternatives
-
-    for alternative in alternatives:
-        print('Transcript: {}'.format(alternative.transcript))
+    # Print the first alternative of all the consecutive results.
+    for result in response.results:
+        print('Transcript: {}'.format(result.alternatives[0].transcript))
 # [END def_transcribe_gcs]
 
 

speech/snippets/transcribe_async.py

@@ -49,12 +49,12 @@ def transcribe_file(speech_file):
     # [END migration_async_request]
 
     print('Waiting for operation to complete...')
-    result = operation.result(timeout=90)
+    response = operation.result(timeout=90)
 
-    alternatives = result.results[0].alternatives
-    for alternative in alternatives:
-        print('Transcript: {}'.format(alternative.transcript))
-        print('Confidence: {}'.format(alternative.confidence))
+    # Print the first alternative of all the consecutive results.
+    for result in response.results:
+        print('Transcript: {}'.format(result.alternatives[0].transcript))
+        print('Confidence: {}'.format(result.alternatives[0].confidence))
     # [END migration_async_response]
 # [END def_transcribe_file]
 
@@ -76,12 +76,12 @@ def transcribe_gcs(gcs_uri):
     operation = client.long_running_recognize(config, audio)
 
     print('Waiting for operation to complete...')
-    result = operation.result(timeout=90)
+    response = operation.result(timeout=90)
 
-    alternatives = result.results[0].alternatives
-    for alternative in alternatives:
-        print('Transcript: {}'.format(alternative.transcript))
-        print('Confidence: {}'.format(alternative.confidence))
+    # Print the first alternative of all the consecutive results.
+    for result in response.results:
+        print('Transcript: {}'.format(result.alternatives[0].transcript))
+        print('Confidence: {}'.format(result.alternatives[0].confidence))
 # [END def_transcribe_gcs]
 
 

speech/snippets/transcribe_streaming_mic.py

@@ -129,7 +129,9 @@ def listen_print_loop(responses):
         if not response.results:
             continue
 
-        # There could be multiple results in each response.
+        # The `results` list is consecutive. For streaming, we only care about
+        # the first result being considered, since once it's `is_final`, it
+        # moves on to considering the next utterance.
         result = response.results[0]
         if not result.alternatives:
             continue

speech/snippets/transcribe_word_time_offsets.py

@@ -46,9 +46,8 @@ def transcribe_file_with_word_time_offsets(speech_file):
 
     response = client.recognize(config, audio)
 
-    alternatives = response.results[0].alternatives
-
-    for alternative in alternatives:
+    for result in response.results:
+        alternative = result.alternatives[0]
         print('Transcript: {}'.format(alternative.transcript))
 
         for word_info in alternative.words:
@@ -82,8 +81,8 @@ def transcribe_gcs_with_word_time_offsets(gcs_uri):
     print('Waiting for operation to complete...')
     result = operation.result(timeout=90)
 
-    alternatives = result.results[0].alternatives
-    for alternative in alternatives:
+    for result in result.results:
+        alternative = result.alternatives[0]
         print('Transcript: {}'.format(alternative.transcript))
         print('Confidence: {}'.format(alternative.confidence))