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mirror of https://github.com/eternnoir/pyTelegramBotAPI.git synced 2023-08-10 21:12:57 +03:00
pyTelegramBotAPI/telebot/types.py
2016-01-06 16:59:42 +08:00

811 lines
30 KiB
Python

# -*- coding: utf-8 -*-
import json
import six
class JsonSerializable:
"""
Subclasses of this class are guaranteed to be able to be converted to JSON format.
All subclasses of this class must override to_json.
"""
def to_json(self):
"""
Returns a JSON string representation of this class.
This function must be overridden by subclasses.
:return: a JSON formatted string.
"""
raise NotImplementedError
class JsonDeserializable:
"""
Subclasses of this class are guaranteed to be able to be created from a json-style dict or json formatted string.
All subclasses of this class must override de_json.
"""
@classmethod
def de_json(cls, json_type):
"""
Returns an instance of this class from the given json dict or string.
This function must be overridden by subclasses.
:return: an instance of this class created from the given json dict or string.
"""
raise NotImplementedError
@staticmethod
def check_json(json_type):
"""
Checks whether json_type is a dict or a string. If it is already a dict, it is returned as-is.
If it is not, it is converted to a dict by means of json.loads(json_type)
:param json_type:
:return:
"""
if type(json_type) == dict:
return json_type
elif type(json_type) == str:
return json.loads(json_type)
else:
raise ValueError("json_type should be a json dict or string.")
def __str__(self):
d = {}
for x, y in six.iteritems(self.__dict__):
if hasattr(y, '__dict__'):
d[x] = y.__dict__
else:
d[x] = y
return six.text_type(d)
class Update(JsonDeserializable):
@classmethod
def de_json(cls, json_type):
obj = cls.check_json(json_type)
update_id = obj['update_id']
message = None
inline_query = None
chosen_inline_result = None
if 'message' in obj:
message = Message.de_json(obj['message'])
if 'inline_query' in obj:
inline_query = InlineQuery.de_json(obj['inline_query'])
if 'chosen_inline_result' in obj:
chosen_inline_result = ChosenInlineResult.de_json(obj['chosen_inline_result'])
return cls(update_id, message, inline_query, chosen_inline_result)
def __init__(self, update_id, message, inline_query, chosen_inline_result):
self.update_id = update_id
self.message = message
self.inline_query = inline_query
self.chosen_inline_result = chosen_inline_result
class User(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
id = obj['id']
first_name = obj['first_name']
last_name = obj.get('last_name')
username = obj.get('username')
return cls(id, first_name, last_name, username)
def __init__(self, id, first_name, last_name=None, username=None):
self.id = id
self.first_name = first_name
self.username = username
self.last_name = last_name
class GroupChat(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
id = obj['id']
title = obj['title']
return cls(id, title)
def __init__(self, id, title):
self.id = id
self.title = title
class Chat(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
id = obj['id']
type = obj['type']
title = obj.get('title')
username = obj.get('username')
first_name = obj.get('first_name')
last_name = obj.get('last_name')
return cls(id, type, title, username, first_name, last_name)
def __init__(self, id, type, title=None, username=None, first_name=None, last_name=None):
self.type = type
self.last_name = last_name
self.first_name = first_name
self.username = username
self.id = id
self.title = title
class Message(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
message_id = obj['message_id']
from_user = None
if 'from' in obj:
from_user = User.de_json(obj['from'])
chat = Chat.de_json(obj['chat'])
date = obj['date']
content_type = None
opts = {}
if 'forward_from' in obj:
opts['forward_from'] = User.de_json(obj['forward_from'])
if 'forward_date' in obj:
opts['forward_date'] = obj['forward_date']
if 'reply_to_message' in obj:
opts['reply_to_message'] = Message.de_json(obj['reply_to_message'])
if 'text' in obj:
opts['text'] = obj['text']
content_type = 'text'
if 'audio' in obj:
opts['audio'] = Audio.de_json(obj['audio'])
content_type = 'audio'
if 'voice' in obj:
opts['voice'] = Audio.de_json(obj['voice'])
content_type = 'voice'
if 'document' in obj:
opts['document'] = Document.de_json(obj['document'])
content_type = 'document'
if 'photo' in obj:
opts['photo'] = Message.parse_photo(obj['photo'])
content_type = 'photo'
if 'sticker' in obj:
opts['sticker'] = Sticker.de_json(obj['sticker'])
content_type = 'sticker'
if 'video' in obj:
opts['video'] = Video.de_json(obj['video'])
content_type = 'video'
if 'location' in obj:
opts['location'] = Location.de_json(obj['location'])
content_type = 'location'
if 'contact' in obj:
opts['contact'] = Contact.de_json(json.dumps(obj['contact']))
content_type = 'contact'
if 'new_chat_participant' in obj:
opts['new_chat_participant'] = User.de_json(obj['new_chat_participant'])
content_type = 'new_chat_participant'
if 'left_chat_participant' in obj:
opts['left_chat_participant'] = User.de_json(obj['left_chat_participant'])
content_type = 'left_chat_participant'
if 'new_chat_title' in obj:
opts['new_chat_title'] = obj['new_chat_title']
content_type = 'new_chat_title'
if 'new_chat_photo' in obj:
opts['new_chat_photo'] = obj['new_chat_photo']
content_type = 'new_chat_photo'
if 'delete_chat_photo' in obj:
opts['delete_chat_photo'] = obj['delete_chat_photo']
content_type = 'delete_chat_photo'
if 'group_chat_created' in obj:
opts['group_chat_created'] = obj['group_chat_created']
content_type = 'group_chat_created'
if 'caption' in obj:
opts['caption'] = obj['caption']
return cls(message_id, from_user, date, chat, content_type, opts)
@classmethod
def parse_chat(cls, chat):
if 'first_name' not in chat:
return GroupChat.de_json(chat)
else:
return User.de_json(chat)
@classmethod
def parse_photo(cls, photo_size_array):
ret = []
for ps in photo_size_array:
ret.append(PhotoSize.de_json(ps))
return ret
def __init__(self, message_id, from_user, date, chat, content_type, options):
self.chat = chat
self.date = date
self.from_user = from_user
self.message_id = message_id
self.content_type = content_type
self.forward_from = None
self.forward_date = None
self.reply_to_message = None
self.text = None
self.audio = None
self.voice = None
self.document = None
self.photo = None
self.sticker = None
self.video = None
self.location = None
self.contact = None
self.new_chat_participant = None
self.left_chat_participant = None
self.new_chat_title = None
self.new_chat_photo = None
self.delete_chat_photo = None
self.group_chat_created = None
self.caption = None
for key in options:
setattr(self, key, options[key])
class PhotoSize(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
file_id = obj['file_id']
width = obj['width']
height = obj['height']
file_size = obj.get('file_size')
return cls(file_id, width, height, file_size)
def __init__(self, file_id, width, height, file_size=None):
self.file_size = file_size
self.height = height
self.width = width
self.file_id = file_id
class Audio(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
file_id = obj['file_id']
duration = obj['duration']
performer = obj.get('performer')
title = obj.get('title')
mime_type = obj.get('mime_type')
file_size = obj.get('file_size')
return cls(file_id, duration, performer, title, mime_type, file_size)
def __init__(self, file_id, duration, performer=None, title=None, mime_type=None, file_size=None):
self.file_id = file_id
self.duration = duration
self.performer = performer
self.title = title
self.mime_type = mime_type
self.file_size = file_size
class Voice(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
file_id = obj['file_id']
duration = obj['duration']
mime_type = obj.get('mime_type')
file_size = obj.get('file_size')
return cls(file_id, duration, mime_type, file_size)
def __init__(self, file_id, duration, mime_type=None, file_size=None):
self.file_id = file_id
self.duration = duration
self.mime_type = mime_type
self.file_size = file_size
class Document(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
file_id = obj['file_id']
thumb = None
if 'thumb' in obj and 'file_id' in obj['thumb']:
thumb = PhotoSize.de_json(obj['thumb'])
file_name = obj.get('file_name')
mime_type = obj.get('mime_type')
file_size = obj.get('file_size')
return cls(file_id, thumb, file_name, mime_type, file_size)
def __init__(self, file_id, thumb, file_name=None, mime_type=None, file_size=None):
self.file_id = file_id
self.thumb = thumb
self.file_name = file_name
self.mime_type = mime_type
self.file_size = file_size
class Sticker(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
file_id = obj['file_id']
width = obj['width']
height = obj['height']
thumb = None
if 'thumb' in obj:
thumb = PhotoSize.de_json(obj['thumb'])
file_size = obj.get('file_size')
return cls(file_id, width, height, thumb, file_size)
def __init__(self, file_id, width, height, thumb, file_size=None):
self.file_id = file_id
self.width = width
self.height = height
self.thumb = thumb
self.file_size = file_size
class Video(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
file_id = obj['file_id']
width = obj['width']
height = obj['height']
duration = obj['duration']
thumb = None
if 'thumb' in obj:
thumb = PhotoSize.de_json(obj['thumb'])
mime_type = obj.get('mime_type')
file_size = obj.get('file_size')
return cls(file_id, width, height, duration, thumb, mime_type, file_size)
def __init__(self, file_id, width, height, duration, thumb=None, mime_type=None, file_size=None):
self.file_id = file_id
self.width = width
self.height = height
self.duration = duration
self.thumb = thumb
self.mime_type = mime_type
self.file_size = file_size
class Contact(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
phone_number = obj['phone_number']
first_name = obj['first_name']
last_name = obj.get('last_name')
user_id = obj.get('user_id')
return cls(phone_number, first_name, last_name, user_id)
def __init__(self, phone_number, first_name, last_name=None, user_id=None):
self.phone_number = phone_number
self.first_name = first_name
self.last_name = last_name
self.user_id = user_id
class Location(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
longitude = obj['longitude']
latitude = obj['latitude']
return cls(longitude, latitude)
def __init__(self, longitude, latitude):
self.longitude = longitude
self.latitude = latitude
class UserProfilePhotos(JsonDeserializable):
@classmethod
def de_json(cls, json_string):
obj = cls.check_json(json_string)
total_count = obj['total_count']
photos = [[PhotoSize.de_json(y) for y in x] for x in obj['photos']]
return cls(total_count, photos)
def __init__(self, total_count, photos):
self.total_count = total_count
self.photos = photos
class File(JsonDeserializable):
@classmethod
def de_json(cls, json_type):
obj = cls.check_json(json_type)
file_id = obj['file_id']
file_size = obj.get('file_size')
file_path = obj.get('file_path')
return cls(file_id, file_size, file_path)
def __init__(self, file_id, file_size, file_path):
self.file_id = file_id
self.file_size = file_size
self.file_path = file_path
class ForceReply(JsonSerializable):
def __init__(self, selective=None):
self.selective = selective
def to_json(self):
json_dict = {'force_reply': True}
if self.selective:
json_dict['selective'] = True
return json.dumps(json_dict)
class ReplyKeyboardHide(JsonSerializable):
def __init__(self, selective=None):
self.selective = selective
def to_json(self):
json_dict = {'hide_keyboard': True}
if self.selective:
json_dict['selective'] = True
return json.dumps(json_dict)
class ReplyKeyboardMarkup(JsonSerializable):
def __init__(self, resize_keyboard=None, one_time_keyboard=None, selective=None, row_width=3):
self.resize_keyboard = resize_keyboard
self.one_time_keyboard = one_time_keyboard
self.selective = selective
self.row_width = row_width
self.keyboard = []
def add(self, *args):
"""
This function adds strings to the keyboard, while not exceeding row_width.
E.g. ReplyKeyboardMarkup#add("A", "B", "C") yields the json result {keyboard: [["A"], ["B"], ["C"]]}
when row_width is set to 1.
When row_width is set to 2, the following is the result of this function: {keyboard: [["A", "B"], ["C"]]}
See https://core.telegram.org/bots/api#replykeyboardmarkup
:param args: strings to append to the keyboard
"""
i = 1
row = []
for string in args:
row.append(string)
if i % self.row_width == 0:
self.keyboard.append(row)
row = []
i += 1
if len(row) > 0:
self.keyboard.append(row)
def row(self, *args):
"""
Adds a list of strings to the keyboard. This function does not consider row_width.
ReplyKeyboardMarkup#row("A")#row("B", "C")#to_json() outputs '{keyboard: [["A"], ["B", "C"]]}'
See https://core.telegram.org/bots/api#replykeyboardmarkup
:param args: strings
:return: self, to allow function chaining.
"""
self.keyboard.append(args)
return self
def to_json(self):
"""
Converts this object to its json representation following the Telegram API guidelines described here:
https://core.telegram.org/bots/api#replykeyboardmarkup
:return:
"""
json_dict = {'keyboard': self.keyboard}
if self.one_time_keyboard:
json_dict['one_time_keyboard'] = True
if self.resize_keyboard:
json_dict['resize_keyboard'] = True
if self.selective:
json_dict['selective'] = True
return json.dumps(json_dict)
class InlineQuery(JsonDeserializable):
@classmethod
def de_json(cls, json_type):
obj = cls.check_json(json_type)
id = obj['id']
from_user = User.de_json(obj['from'])
query = obj['query']
offset = obj['offset']
return cls(id, from_user, query, offset)
def __init__(self, id, from_user, query, offset):
"""
This object represents an incoming inline query.
When the user sends an empty query, your bot could
return some default or trending results.
:param id: string Unique identifier for this query
:param from_user: User Sender
:param query: String Text of the query
:param offset: String Offset of the results to be returned, can be controlled by the bot
:return: InlineQuery Object
"""
self.id = id
self.from_user = from_user
self.query = query
self.offset = offset
class ChosenInlineResult(JsonDeserializable):
@classmethod
def de_json(cls, json_type):
obj = cls.check_json(json_type)
result_id = obj['result_id']
from_user = User.de_json(obj['from'])
query = obj['query']
return cls(result_id, from_user, query)
def __init__(self, result_id, from_user, query):
"""
This object represents a result of an inline query
that was chosen by the user and sent to their chat partner.
:param result_id: string The unique identifier for the result that was chosen.
:param from_user: User The user that chose the result.
:param query: String The query that was used to obtain the result.
:return: ChosenInlineResult Object.
"""
self.result_id = result_id
self.from_user = from_user
self.query = query
class InlineQueryResultArticle(JsonSerializable):
def __init__(self, id, title, message_text, parse_mode=None, disable_web_page_preview=None, url=None,
hide_url=None, description=None, thumb_url=None, thumb_width=None, thumb_height=None):
"""
Represents a link to an article or web page.
:param id: Unique identifier for this result, 1-64 Bytes.
:param title: Title of the result.
:param message_text: Text of the message to be sent.
:param parse_mode: Send “Markdown”, if you want Telegram apps to show bold, italic and inline URLs in your bot's message.
:param disable_web_page_preview: Disables link previews for links in the sent message.
:param url: URL of the result.
:param hide_url: Pass True, if you don't want the URL to be shown in the message.
:param description: Short description of the result.
:param thumb_url: Url of the thumbnail for the result.
:param thumb_width: Thumbnail width.
:param thumb_height: Thumbnail height
:return:
"""
self.type = 'article'
self.id = id
self.title = title
self.message_text = message_text
self.parse_mode = parse_mode
self.disable_web_page_preview = disable_web_page_preview
self.url = url
self.hide_url = hide_url
self.description = description
self.thumb_url = thumb_url
self.thumb_width = thumb_width
self.thumb_height = thumb_height
def to_json(self):
json_dict = {'type': self.type, 'id': self.id, 'title': self.title, 'message_text': self.message_text}
if self.parse_mode:
json_dict['parse_mode'] = self.parse_mode
if self.disable_web_page_preview:
json_dict['disable_web_page_preview'] = self.disable_web_page_preview
if self.url:
json_dict['url'] = self.url
if self.hide_url:
json_dict['hide_url'] = self.hide_url
if self.description:
json_dict['description'] = self.description
if self.thumb_url:
json_dict['thumb_url'] = self.thumb_url
if self.thumb_width:
json_dict['thumb_width'] = self.thumb_width
if self.thumb_height:
json_dict['thumb_height'] = self.thumb_height
return json.dumps(json_dict)
class InlineQueryResultPhoto(JsonSerializable):
def __init__(self, id, photo_url, thumb_url, photo_width=None, photo_height=None, title=None,
description=None, caption=None, message_text=None, parse_mode=None, disable_web_page_preview=None):
"""
Represents a link to a photo.
:param id: Unique identifier for this result, 1-64 bytes
:param photo_url: A valid URL of the photo. Photo must be in jpeg format. Photo size must not exceed 5MB
:param thumb_url: URL of the thumbnail for the photo
:param photo_width: Width of the photo.
:param photo_height: Height of the photo.
:param title: Title for the result.
:param description: Short description of the result.
:param caption: Caption of the photo to be sent, 0-200 characters.
:param message_text: Text of a message to be sent instead of the photo, 1-512 characters.
:param parse_mode: Send “Markdown”, if you want Telegram apps to show bold, italic and inline URLs in your bot's message.
:param disable_web_page_preview: Disables link previews for links in the sent message.
:return:
"""
self.type = 'photo'
self.id = id
self.photo_url = photo_url
self.photo_width = photo_width
self.photo_height = photo_height
self.thumb_url = thumb_url
self.title = title
self.description = description
self.caption = caption
self.message_text = message_text
self.parse_mode = parse_mode
self.disable_web_page_preview = disable_web_page_preview
def to_json(self):
json_dict = {'type': self.type, 'id': self.id, 'photo_url': self.photo_url, 'thumb_url': self.thumb_url}
if self.photo_width:
json_dict['photo_width'] = self.photo_width
if self.photo_height:
json_dict['photo_height'] = self.photo_height
if self.title:
json_dict['title'] = self.title
if self.description:
json_dict['description'] = self.description
if self.caption:
json_dict['caption'] = self.caption
if self.message_text:
json_dict['message_text'] = self.message_text
if self.parse_mode:
json_dict['parse_mode'] = self.parse_mode
if self.disable_web_page_preview:
json_dict['disable_web_page_preview'] = self.disable_web_page_preview
return json.dumps(json_dict)
class InlineQueryResultGif(JsonSerializable):
def __init__(self, id, gif_url, thumb_url, gif_width=None, gif_height=None, title=None, caption=None,
message_text=None, parse_mode=None, disable_web_page_preview=None):
"""
Represents a link to an animated GIF file.
:param id: Unique identifier for this result, 1-64 bytes.
:param gif_url: A valid URL for the GIF file. File size must not exceed 1MB
:param thumb_url: URL of the static thumbnail (jpeg or gif) for the result.
:param gif_width: Width of the GIF.
:param gif_height: Height of the GIF.
:param title: Title for the result.
:param caption: Caption of the GIF file to be sent, 0-200 characters
:param message_text: Text of a message to be sent instead of the animation, 1-512 characters.
:param parse_mode: Send “Markdown”, if you want Telegram apps to show bold, italic and inline URLs in your bot's message.
:param disable_web_page_preview: Disables link previews for links in the sent message.
:return:
"""
self.type = 'gif'
self.id = id
self.gif_url = gif_url
self.gif_width = gif_width
self.gif_height = gif_height
self.thumb_url = thumb_url
self.title = title
self.caption = caption
self.message_text = message_text
self.parse_mode = parse_mode
self.disable_web_page_preview = disable_web_page_preview
def to_json(self):
json_dict = {'type': self.type, 'id': self.id, 'gif_url': self.gif_url, 'thumb_url': self.thumb_url}
if self.gif_height:
json_dict['gif_height'] = self.gif_height
if self.gif_width:
json_dict['gif_width'] = self.gif_width
if self.title:
json_dict['title'] = self.title
if self.caption:
json_dict['caption'] = self.caption
if self.message_text:
json_dict['message_text'] = self.message_text
if self.parse_mode:
json_dict['parse_mode'] = self.parse_mode
if self.disable_web_page_preview:
json_dict['disable_web_page_preview'] = self.disable_web_page_preview
return json.dumps(json_dict)
class InlineQueryResultMpeg4Gif(JsonSerializable):
def __init__(self, id, mpeg4_url, thumb_url, mpeg4_width=None, mpeg4_height=None, title=None, caption=None,
message_text=None, parse_mode=None, disable_web_page_preview=None):
"""
Represents a link to a video animation (H.264/MPEG-4 AVC video without sound).
:param id: Unique identifier for this result, 1-64 bytes
:param mpeg4_url: A valid URL for the MP4 file. File size must not exceed 1MB
:param thumb_url: URL of the static thumbnail (jpeg or gif) for the result
:param mpeg4_width: Video width
:param mpeg4_height: Video height
:param title: Title for the result
:param caption: Caption of the MPEG-4 file to be sent, 0-200 characters
:param message_text: Text of a message to be sent instead of the animation, 1-512 characters
:param parse_mode: end “Markdown”, if you want Telegram apps to show bold, italic and inline URLs in your bot's message.
:param disable_web_page_preview: Disables link previews for links in the sent message
:return:
"""
self.type = 'mpeg4_gif'
self.id = id
self.mpeg4_url = mpeg4_url
self.mpeg4_width = mpeg4_width
self.mpeg4_height = mpeg4_height
self.thumb_url = thumb_url
self.title = title
self.caption = caption
self.message_text = message_text
self.parse_mode = parse_mode
self.disable_web_page_preview = disable_web_page_preview
def to_json(self):
json_dict = {'type': self.type, 'id': self.id, 'mpeg4_url': self.mpeg4_url, 'thumb_url': self.thumb_url}
if self.mpeg4_width:
json_dict['mpeg4_width'] = self.mpeg4_width
if self.mpeg4_height:
json_dict['mpeg4_height'] = self.mpeg4_height
if self.title:
json_dict['title'] = self.title
if self.caption:
json_dict['caption'] = self.caption
if self.message_text:
json_dict['message_text'] = self.message_text
if self.parse_mode:
json_dict['parse_mode'] = self.parse_mode
if self.disable_web_page_preview:
json_dict['disable_web_page_preview'] = self.disable_web_page_preview
return json.dumps(json_dict)
class InlineQueryResultVideo(JsonSerializable):
def __init__(self, id, video_url, mime_type, message_text, thumb_url, title, parse_mode=None,
disable_web_page_preview=None,
video_width=None, video_height=None, video_duration=None,
description=None):
"""
Represents link to a page containing an embedded video player or a video file.
:param id: Unique identifier for this result, 1-64 bytes
:param video_url: A valid URL for the embedded video player or video file
:param mime_type: Mime type of the content of video url, “text/html” or “video/mp4”
:param message_text: Text of the message to be sent with the video, 1-512 characters
:param thumb_url: URL of the thumbnail (jpeg only) for the video
:param title: Title for the result
:param parse_mode: Send “Markdown”, if you want Telegram apps to show bold, italic and inline URLs in your bot's message.
:param disable_web_page_preview: Disables link previews for links in the sent message
:param video_width: Video width
:param video_height: Video height
:param video_duration: Video duration in seconds
:param description: Short description of the result
:return:
"""
self.type = 'video'
self.id = id
self.video_url = video_url
self.mime_type = mime_type
self.message_text = message_text
self.parse_mode = parse_mode
self.disable_web_page_preview = disable_web_page_preview
self.video_width = video_width
self.video_height = video_height
self.video_duration = video_duration
self.thumb_url = thumb_url
self.title = title
self.description = description
def to_json(self):
json_dict = {'type': self.type, 'id': self.id, 'video_url': self.video_url, 'mime_type': self.mime_type,
'message_text': self.message_text, 'thumb_url': self.thumb_url, 'title': self.title}
if self.parse_mode:
json_dict['parse_mode'] = self.parse_mode
if self.disable_web_page_preview:
json_dict['disable_web_page_preview'] = self.disable_web_page_preview
if self.video_width:
json_dict['video_width'] = self.video_width
if self.video_height:
json_dict['video_height'] = self.video_height
if self.video_duration:
json_dict['video_duration'] = self.video_duration
if self.description:
json_dict['description'] = self.description
return json.dumps(json_dict)