Change MAX_CAPTION_LENGTH to 1024 (#1262)

* update MAX_CAPTION_LENGTH

Telegram silently changed the max length for captions to 1024 chars.

* Update test_constants.py

* change docstrings to reflect new length

* remove message

* clear message and proper match

telegram/bot.py

@@ -369,7 +369,7 @@ class Bot(TelegramObject):
                 Internet, or upload a new photo using multipart/form-data. Lastly you can pass
                 an existing :class:`telegram.PhotoSize` object to send.
             caption (:obj:`str`, optional): Photo caption (may also be used when resending photos
-                by file_id), 0-200 characters.
+                by file_id), 0-1024 characters.
             parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to
                 show bold, italic, fixed-width text or inline URLs in the media caption. See the
                 constants in :class:`telegram.ParseMode` for the available modes.
@@ -442,7 +442,7 @@ class Bot(TelegramObject):
                 (recommended), pass an HTTP URL as a String for Telegram to get an audio file from
                 the Internet, or upload a new one using multipart/form-data. Lastly you can pass
                 an existing :class:`telegram.Audio` object to send.
-            caption (:obj:`str`, optional): Audio caption, 0-200 characters.
+            caption (:obj:`str`, optional): Audio caption, 0-1024 characters.
             parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to
                 show bold, italic, fixed-width text or inline URLs in the media caption. See the
                 constants in :class:`telegram.ParseMode` for the available modes.
@@ -527,7 +527,7 @@ class Bot(TelegramObject):
             filename (:obj:`str`, optional): File name that shows in telegram message (it is useful
                 when you send file generated by temp module, for example). Undocumented.
             caption (:obj:`str`, optional): Document caption (may also be used when resending
-                documents by file_id), 0-200 characters.
+                documents by file_id), 0-1024 characters.
             parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to
                 show bold, italic, fixed-width text or inline URLs in the media caption. See the
                 constants in :class:`telegram.ParseMode` for the available modes.
@@ -661,7 +661,7 @@ class Bot(TelegramObject):
             width (:obj:`int`, optional): Video width.
             height (:obj:`int`, optional): Video height.
             caption (:obj:`str`, optional): Video caption (may also be used when resending videos
-                by file_id), 0-200 characters.
+                by file_id), 0-1024 characters.
             parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to
                 show bold, italic, fixed-width text or inline URLs in the media caption. See the
                 constants in :class:`telegram.ParseMode` for the available modes.
@@ -821,7 +821,7 @@ class Bot(TelegramObject):
                 A thumbnail's width and height should not exceed 90. Ignored if the file is not
                 is passed as a string or file_id.
             caption (:obj:`str`, optional): Animation caption (may also be used when resending
-                animations by file_id), 0-200 characters.
+                animations by file_id), 0-1024 characters.
             parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to
                 show bold, italic, fixed-width text or inline URLs in the media caption. See the
                 constants in :class:`telegram.ParseMode` for the available modes.
@@ -898,7 +898,7 @@ class Bot(TelegramObject):
                 (recommended), pass an HTTP URL as a String for Telegram to get an voice file from
                 the Internet, or upload a new one using multipart/form-data. Lastly you can pass
                 an existing :class:`telegram.Voice` object to send.
-            caption (:obj:`str`, optional): Voice message caption, 0-200 characters.
+            caption (:obj:`str`, optional): Voice message caption, 0-1024 characters.
             parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to
                 show bold, italic, fixed-width text or inline URLs in the media caption. See the
                 constants in :class:`telegram.ParseMode` for the available modes.

telegram/constants.py

@@ -21,7 +21,7 @@ The following constants were extracted from the
 
 Attributes:
     MAX_MESSAGE_LENGTH (:obj:`int`): 4096
-    MAX_CAPTION_LENGTH (:obj:`int`): 200
+    MAX_CAPTION_LENGTH (:obj:`int`): 1024
     SUPPORTED_WEBHOOK_PORTS (List[:obj:`int`]): [443, 80, 88, 8443]
     MAX_FILESIZE_DOWNLOAD (:obj:`int`): In bytes (20MB)
     MAX_FILESIZE_UPLOAD (:obj:`int`): In bytes (50MB)
@@ -40,7 +40,7 @@ Attributes:
 """
 
 MAX_MESSAGE_LENGTH = 4096
-MAX_CAPTION_LENGTH = 200
+MAX_CAPTION_LENGTH = 1024
 
 # constants above this line are tested
 

telegram/files/inputmedia.py

@@ -44,7 +44,7 @@ class InputMediaAnimation(InputMedia):
             file sent. The thumbnail should be in JPEG format and less than 200 kB in size.
             A thumbnail's width and height should not exceed 90. Ignored if the file is not
             is passed as a string or file_id.
-        caption (:obj:`str`): Optional. Caption of the animation to be sent, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption of the animation to be sent, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -61,7 +61,7 @@ class InputMediaAnimation(InputMedia):
             file sent. The thumbnail should be in JPEG format and less than 200 kB in size.
             A thumbnail's width and height should not exceed 90. Ignored if the file is not
             is passed as a string or file_id.
-        caption (:obj:`str`, optional): Caption of the animation to be sent, 0-200 characters.
+        caption (:obj:`str`, optional): Caption of the animation to be sent, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -114,7 +114,7 @@ class InputMediaPhoto(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the
             Telegram servers (recommended), pass an HTTP URL for Telegram to get a file from the
             Internet. Lastly you can pass an existing :class:`telegram.PhotoSize` object to send.
-        caption (:obj:`str`): Optional. Caption of the photo to be sent, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption of the photo to be sent, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -123,7 +123,7 @@ class InputMediaPhoto(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the
             Telegram servers (recommended), pass an HTTP URL for Telegram to get a file from the
             Internet. Lastly you can pass an existing :class:`telegram.PhotoSize` object to send.
-        caption (:obj:`str`, optional ): Caption of the photo to be sent, 0-200 characters.
+        caption (:obj:`str`, optional ): Caption of the photo to be sent, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -153,7 +153,7 @@ class InputMediaVideo(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the Telegram
             servers (recommended), pass an HTTP URL for Telegram to get a file from the Internet.
             Lastly you can pass an existing :class:`telegram.Video` object to send.
-        caption (:obj:`str`): Optional. Caption of the video to be sent, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption of the video to be sent, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -171,7 +171,7 @@ class InputMediaVideo(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the Telegram
             servers (recommended), pass an HTTP URL for Telegram to get a file from the Internet.
             Lastly you can pass an existing :class:`telegram.Video` object to send.
-        caption (:obj:`str`, optional): Caption of the video to be sent, 0-200 characters.
+        caption (:obj:`str`, optional): Caption of the video to be sent, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -232,7 +232,7 @@ class InputMediaAudio(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the Telegram
             servers (recommended), pass an HTTP URL for Telegram to get a file from the Internet.
             Lastly you can pass an existing :class:`telegram.Audio` object to send.
-        caption (:obj:`str`): Optional. Caption of the audio to be sent, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption of the audio to be sent, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -249,7 +249,7 @@ class InputMediaAudio(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the Telegram
             servers (recommended), pass an HTTP URL for Telegram to get a file from the Internet.
             Lastly you can pass an existing :class:`telegram.Document` object to send.
-        caption (:obj:`str`, optional): Caption of the audio to be sent, 0-200 characters.
+        caption (:obj:`str`, optional): Caption of the audio to be sent, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -307,7 +307,7 @@ class InputMediaDocument(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the Telegram
             servers (recommended), pass an HTTP URL for Telegram to get a file from the Internet.
             Lastly you can pass an existing :class:`telegram.Document` object to send.
-        caption (:obj:`str`): Optional. Caption of the document to be sent, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption of the document to be sent, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -320,7 +320,7 @@ class InputMediaDocument(InputMedia):
         media (:obj:`str`): File to send. Pass a file_id to send a file that exists on the Telegram
             servers (recommended), pass an HTTP URL for Telegram to get a file from the Internet.
             Lastly you can pass an existing :class:`telegram.Document` object to send.
-        caption (:obj:`str`, optional): Caption of the document to be sent, 0-200 characters.
+        caption (:obj:`str`, optional): Caption of the document to be sent, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultcachedaudio.py

@@ -31,7 +31,7 @@ class InlineQueryResultCachedAudio(InlineQueryResult):
         type (:obj:`str`): 'audio'.
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         audio_file_id (:obj:`str`): A valid file identifier for the audio file.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -43,7 +43,7 @@ class InlineQueryResultCachedAudio(InlineQueryResult):
     Args:
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         audio_file_id (:obj:`str`): A valid file identifier for the audio file.
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultcacheddocument.py

@@ -33,7 +33,7 @@ class InlineQueryResultCachedDocument(InlineQueryResult):
         title (:obj:`str`): Title for the result.
         document_file_id (:obj:`str`): A valid file identifier for the file.
         description (:obj:`str`): Optional. Short description of the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption.. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -47,7 +47,7 @@ class InlineQueryResultCachedDocument(InlineQueryResult):
         title (:obj:`str`): Title for the result.
         document_file_id (:obj:`str`): A valid file identifier for the file.
         description (:obj:`str`, optional): Short description of the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption.. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultcachedgif.py

@@ -33,7 +33,7 @@ class InlineQueryResultCachedGif(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         gif_file_id (:obj:`str`): A valid file identifier for the GIF file.
         title (:obj:`str`): Optional. Title for the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -46,7 +46,7 @@ class InlineQueryResultCachedGif(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         gif_file_id (:obj:`str`): A valid file identifier for the GIF file.
         title (:obj:`str`, optional): Title for the result.caption (:obj:`str`, optional):
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultcachedmpeg4gif.py

@@ -33,7 +33,7 @@ class InlineQueryResultCachedMpeg4Gif(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         mpeg4_file_id (:obj:`str`): A valid file identifier for the MP4 file.
         title (:obj:`str`): Optional. Title for the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -46,7 +46,7 @@ class InlineQueryResultCachedMpeg4Gif(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         mpeg4_file_id (:obj:`str`): A valid file identifier for the MP4 file.
         title (:obj:`str`, optional): Title for the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultcachedphoto.py

@@ -34,7 +34,7 @@ class InlineQueryResultCachedPhoto(InlineQueryResult):
         photo_file_id (:obj:`str`): A valid file identifier of the photo.
         title (:obj:`str`): Optional. Title for the result.
         description (:obj:`str`): Optional. Short description of the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -48,7 +48,7 @@ class InlineQueryResultCachedPhoto(InlineQueryResult):
         photo_file_id (:obj:`str`): A valid file identifier of the photo.
         title (:obj:`str`, optional): Title for the result.
         description (:obj:`str`, optional): Short description of the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultcachedvideo.py

@@ -34,7 +34,7 @@ class InlineQueryResultCachedVideo(InlineQueryResult):
         video_file_id (:obj:`str`): A valid file identifier for the video file.
         title (:obj:`str`): Title for the result.
         description (:obj:`str`): Optional. Short description of the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -48,7 +48,7 @@ class InlineQueryResultCachedVideo(InlineQueryResult):
         video_file_id (:obj:`str`): A valid file identifier for the video file.
         title (:obj:`str`): Title for the result.
         description (:obj:`str`, optional): Short description of the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters.
+        caption (:obj:`str`, optional): Caption, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultcachedvoice.py

@@ -32,7 +32,7 @@ class InlineQueryResultCachedVoice(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         voice_file_id (:obj:`str`): A valid file identifier for the voice message.
         title (:obj:`str`): Voice message title.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -45,7 +45,7 @@ class InlineQueryResultCachedVoice(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         voice_file_id (:obj:`str`): A valid file identifier for the voice message.
         title (:obj:`str`): Voice message title.
-        caption (:obj:`str`, optional): Caption, 0-200 characters.
+        caption (:obj:`str`, optional): Caption, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultdocument.py

@@ -32,7 +32,7 @@ class InlineQueryResultDocument(InlineQueryResult):
         type (:obj:`str`): 'document'.
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         title (:obj:`str`): Title for the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -51,7 +51,7 @@ class InlineQueryResultDocument(InlineQueryResult):
     Args:
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         title (:obj:`str`): Title for the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultgif.py

@@ -36,7 +36,7 @@ class InlineQueryResultGif(InlineQueryResult):
         gif_duration (:obj:`int`): Optional. Duration of the GIF.
         thumb_url (:obj:`str`): URL of the static thumbnail for the result (jpeg or gif).
         title (:obj:`str`): Optional. Title for the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -53,7 +53,7 @@ class InlineQueryResultGif(InlineQueryResult):
         gif_duration (:obj:`int`, optional): Duration of the GIF
         thumb_url (:obj:`str`): URL of the static thumbnail for the result (jpeg or gif).
         title (:obj:`str`, optional): Title for the result.caption (:obj:`str`, optional):
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultmpeg4gif.py

@@ -37,7 +37,7 @@ class InlineQueryResultMpeg4Gif(InlineQueryResult):
         mpeg4_duration (:obj:`int`): Optional. Video duration.
         thumb_url (:obj:`str`): URL of the static thumbnail (jpeg or gif) for the result.
         title (:obj:`str`): Optional. Title for the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -54,7 +54,7 @@ class InlineQueryResultMpeg4Gif(InlineQueryResult):
         mpeg4_duration (:obj:`int`, optional): Video duration.
         thumb_url (:obj:`str`): URL of the static thumbnail (jpeg or gif) for the result.
         title (:obj:`str`, optional): Title for the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultphoto.py

@@ -37,7 +37,7 @@ class InlineQueryResultPhoto(InlineQueryResult):
         photo_height (:obj:`int`): Optional. Height of the photo.
         title (:obj:`str`): Optional. Title for the result.
         description (:obj:`str`): Optional. Short description of the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -55,7 +55,7 @@ class InlineQueryResultPhoto(InlineQueryResult):
         photo_height (:obj:`int`, optional): Height of the photo.
         title (:obj:`str`, optional): Title for the result.
         description (:obj:`str`, optional): Short description of the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters
+        caption (:obj:`str`, optional): Caption, 0-1024 characters
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultvideo.py

@@ -35,7 +35,7 @@ class InlineQueryResultVideo(InlineQueryResult):
         mime_type (:obj:`str`): Mime type of the content of video url, "text/html" or "video/mp4".
         thumb_url (:obj:`str`): URL of the thumbnail (jpeg only) for the video.
         title (:obj:`str`): Title for the result.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -54,7 +54,7 @@ class InlineQueryResultVideo(InlineQueryResult):
         mime_type (:obj:`str`): Mime type of the content of video url, "text/html" or "video/mp4".
         thumb_url (:obj:`str`): URL of the thumbnail (jpeg only) for the video.
         title (:obj:`str`): Title for the result.
-        caption (:obj:`str`, optional): Caption, 0-200 characters.
+        caption (:obj:`str`, optional): Caption, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/inline/inlinequeryresultvoice.py

@@ -33,7 +33,7 @@ class InlineQueryResultVoice(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         voice_url (:obj:`str`): A valid URL for the voice recording.
         title (:obj:`str`): Voice message title.
-        caption (:obj:`str`): Optional. Caption, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption, 0-1024 characters.
         parse_mode (:obj:`str`): Optional. Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption.. See the constants
             in :class:`telegram.ParseMode` for the available modes.
@@ -47,7 +47,7 @@ class InlineQueryResultVoice(InlineQueryResult):
         id (:obj:`str`): Unique identifier for this result, 1-64 bytes.
         voice_url (:obj:`str`): A valid URL for the voice recording.
         title (:obj:`str`): Voice message title.
-        caption (:obj:`str`, optional): Caption, 0-200 characters.
+        caption (:obj:`str`, optional): Caption, 0-1024 characters.
         parse_mode (:obj:`str`, optional): Send Markdown or HTML, if you want Telegram apps to show
             bold, italic, fixed-width text or inline URLs in the media caption.. See the constants
             in :class:`telegram.ParseMode` for the available modes.

telegram/message.py

@@ -73,7 +73,8 @@ class Message(TelegramObject):
         video_note (:class:`telegram.VideoNote`): Optional. Information about the video message.
         new_chat_members (List[:class:`telegram.User`]): Optional. Information about new members to
             the chat. (the bot itself may be one of these members).
-        caption (:obj:`str`): Optional. Caption for the document, photo or video, 0-200 characters.
+        caption (:obj:`str`): Optional. Caption for the document, photo or video, 0-1024
+            characters.
         contact (:class:`telegram.Contact`): Optional. Information about the contact.
         location (:class:`telegram.Location`): Optional. Information about the location.
         venue (:class:`telegram.Venue`): Optional. Information about the venue.
@@ -154,7 +155,8 @@ class Message(TelegramObject):
         new_chat_members (List[:class:`telegram.User`], optional): New members that were added to
             the group or supergroup and information about them (the bot itself may be one of these
             members).
-        caption (:obj:`str`, optional): Caption for the document, photo or video, 0-200 characters.
+        caption (:obj:`str`, optional): Caption for the document, photo or video, 0-1024
+            characters.
         contact (:class:`telegram.Contact`, optional): Message is a shared contact, information
             about the contact.
         location (:class:`telegram.Location`, optional): Message is a shared location, information

tests/test_constants.py

@@ -29,8 +29,8 @@ class TestConstants(object):
     def test_max_message_length(self, bot, chat_id):
         bot.send_message(chat_id=chat_id, text='a' * constants.MAX_MESSAGE_LENGTH)
 
-        with pytest.raises(BadRequest, message='MAX_MESSAGE_LENGTH is no longer valid',
+        with pytest.raises(BadRequest, match='Message is too long',
-                           match='too long'):
+                           message='MAX_MESSAGE_LENGTH is no longer valid'):
             bot.send_message(chat_id=chat_id, text='a' * (constants.MAX_MESSAGE_LENGTH + 1))
 
     @flaky(3, 1)
@@ -42,6 +42,7 @@ class TestConstants(object):
         assert good_msg.caption == good_caption
 
         bad_caption = good_caption + 'Z'
-        with pytest.raises(BadRequest, message="Media_caption_too_long"):
+        with pytest.raises(BadRequest, match="Media_caption_too_long",
+                           message='MAX_CAPTION_LENGTH is no longer valid'):
             with open('tests/data/telegram.png', 'rb') as f:
                 bot.send_photo(photo=f, caption=bad_caption, chat_id=chat_id)