From a63a2efc9dae0e6a59f30159a1f151e54b4efedb Mon Sep 17 00:00:00 2001
From: Harmon <Harmon758@gmail.com>
Date: Sun, 1 Sep 2019 14:31:54 -0500
Subject: [PATCH] Add API.create_media_metadata

Resolves #716
Resolves #1247
---
 docs/api.rst  | 11 +++++++++++
 tweepy/api.py | 20 ++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/docs/api.rst b/docs/api.rst
index c0dec5f..cf8a996 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -1083,6 +1083,17 @@ Media methods
                              Up to 100 additional owners may be specified.
 
 
+.. method:: API.create_media_metadata(media_id, alt_text)
+
+   This endpoint can be used to provide additional information about the
+   uploaded media_id. This feature is currently only supported for images and
+   GIFs. Call this endpoint to attach additional metadata such as image alt
+   text.
+   
+   :param media_id: The ID of the media to add alt text to.
+   :param alt_text: The alt text to add to the image.
+
+
 :mod:`tweepy.error` --- Exceptions
 ==================================
 
diff --git a/tweepy/api.py b/tweepy/api.py
index 56d66cf..dfef2d6 100644
--- a/tweepy/api.py
+++ b/tweepy/api.py
@@ -234,6 +234,26 @@ class API(object):
             upload_api=True
         )(*args, **kwargs)
 
+    def create_media_metadata(self, media_id, alt_text, *args, **kwargs):
+        """ :reference: https://developer.twitter.com/en/docs/media/upload-media/api-reference/post-media-metadata-create
+            :allowed_param:
+        """
+        kwargs.update({
+            'json_payload': {
+                'media_id': media_id,
+                'alt_text': {'text': alt_text}
+            }
+        })
+
+        return bind_api(
+            api=self,
+            path='/media/metadata/create.json',
+            method='POST',
+            allowed_param=[],
+            require_auth=True,
+            upload_api=True
+        )(*args, **kwargs)
+
     def update_with_media(self, filename, *args, **kwargs):
         """ :reference: https://developer.twitter.com/en/docs/tweets/post-and-engage/api-reference/post-statuses-update_with_media
             :allowed_param: 'status', 'possibly_sensitive',
-- 
2.25.1