Access Display Names of enum fields via enum object [(#1738)](GoogleCloudPlatform/python-docs-samples#1738)

* Get display name of enums using IntEnum

Requires updating google-cloud-language to 1.1.0

* Add note about gs://demomaker for video test files

* Get display name of enums using IntEnum

* Get display name of enums using IntEnum

* Revert "Add note about gs://demomaker for video test files"

This reverts commit 39d9bfff03201f7c6dcb38fee3856dd537ab4b62.

Author: beccasaurus

samples/snippets/cloud-client/v1/requirements.txt

@@ -1 +1 @@
-google-cloud-language==1.0.2
+google-cloud-language==1.1.0

samples/snippets/cloud-client/v1/snippets.py

@@ -95,14 +95,11 @@ def entities_text(text):
     #   document.type == enums.Document.Type.HTML
     entities = client.analyze_entities(document).entities
 
-    # entity types from enums.Entity.Type
-    entity_type = ('UNKNOWN', 'PERSON', 'LOCATION', 'ORGANIZATION',
-                   'EVENT', 'WORK_OF_ART', 'CONSUMER_GOOD', 'OTHER')
-
     for entity in entities:
+        entity_type = enums.Entity.Type(entity.type)
         print('=' * 20)
         print(u'{:<16}: {}'.format('name', entity.name))
-        print(u'{:<16}: {}'.format('type', entity_type[entity.type]))
+        print(u'{:<16}: {}'.format('type', entity_type.name))
         print(u'{:<16}: {}'.format('metadata', entity.metadata))
         print(u'{:<16}: {}'.format('salience', entity.salience))
         print(u'{:<16}: {}'.format('wikipedia_url',
@@ -125,14 +122,11 @@ def entities_file(gcs_uri):
     #   document.type == enums.Document.Type.HTML
     entities = client.analyze_entities(document).entities
 
-    # entity types from enums.Entity.Type
-    entity_type = ('UNKNOWN', 'PERSON', 'LOCATION', 'ORGANIZATION',
-                   'EVENT', 'WORK_OF_ART', 'CONSUMER_GOOD', 'OTHER')
-
     for entity in entities:
+        entity_type = enums.Entity.Type(entity.type)
         print('=' * 20)
         print(u'{:<16}: {}'.format('name', entity.name))
-        print(u'{:<16}: {}'.format('type', entity_type[entity.type]))
+        print(u'{:<16}: {}'.format('type', entity_type.name))
         print(u'{:<16}: {}'.format('metadata', entity.metadata))
         print(u'{:<16}: {}'.format('salience', entity.salience))
         print(u'{:<16}: {}'.format('wikipedia_url',
@@ -158,12 +152,9 @@ def syntax_text(text):
     #   document.type == enums.Document.Type.HTML
     tokens = client.analyze_syntax(document).tokens
 
-    # part-of-speech tags from enums.PartOfSpeech.Tag
-    pos_tag = ('UNKNOWN', 'ADJ', 'ADP', 'ADV', 'CONJ', 'DET', 'NOUN', 'NUM',
-               'PRON', 'PRT', 'PUNCT', 'VERB', 'X', 'AFFIX')
-
     for token in tokens:
-        print(u'{}: {}'.format(pos_tag[token.part_of_speech.tag],
+        part_of_speech_tag = enums.PartOfSpeech.Tag(token.part_of_speech.tag)
+        print(u'{}: {}'.format(part_of_speech_tag.name,
                                token.text.content))
     # [END language_python_migration_syntax_text]
 # [END language_syntax_text]
@@ -183,12 +174,9 @@ def syntax_file(gcs_uri):
     #   document.type == enums.Document.Type.HTML
     tokens = client.analyze_syntax(document).tokens
 
-    # part-of-speech tags from enums.PartOfSpeech.Tag
-    pos_tag = ('UNKNOWN', 'ADJ', 'ADP', 'ADV', 'CONJ', 'DET', 'NOUN', 'NUM',
-               'PRON', 'PRT', 'PUNCT', 'VERB', 'X', 'AFFIX')
-
     for token in tokens:
-        print(u'{}: {}'.format(pos_tag[token.part_of_speech.tag],
+        part_of_speech_tag = enums.PartOfSpeech.Tag(token.part_of_speech.tag)
+        print(u'{}: {}'.format(part_of_speech_tag.name,
                                token.text.content))
 # [END language_syntax_gcs]