Merge branch 'develop' into asyncio

# Conflicts:
#	pyrogram/client/client.py
#	pyrogram/client/methods/messages/send_media_group.py
#	pyrogram/client/methods/utilities/download_media.py

compiler/error/source/400_BAD_REQUEST.tsv

@@ -51,7 +51,7 @@ BOT_INLINE_DISABLED	The inline feature of the bot is disabled
 INLINE_RESULT_EXPIRED	The inline bot query expired
 INVITE_HASH_INVALID	The invite link hash is invalid
 USER_ALREADY_PARTICIPANT	The user is already a participant of this chat
-TTL_MEDIA_INVALID	This kind of media does not support self-destruction
+TTL_MEDIA_INVALID	The media does not support self-destruction
 MAX_ID_INVALID	The max_id parameter is invalid
 CHANNEL_INVALID	The channel parameter is invalid
 DC_ID_INVALID	The dc_id parameter is invalid
@@ -59,7 +59,7 @@ LIMIT_INVALID	The limit parameter is invalid
 OFFSET_INVALID	The offset parameter is invalid
 EMAIL_INVALID	The email provided is invalid
 USER_IS_BOT	A bot cannot send messages to other bots or to itself
-WEBPAGE_CURL_FAILED	Telegram could not fetch the provided URL
+WEBPAGE_CURL_FAILED	Telegram server could not fetch the provided URL
 STICKERSET_INVALID	The requested sticker set is invalid
 PEER_FLOOD	The method can't be used because your account is limited
 MEDIA_CAPTION_TOO_LONG	The media caption is longer than 200 characters
@@ -68,4 +68,12 @@ USER_CHANNELS_TOO_MUCH	The user is already in too many channels or supergroups
 API_ID_PUBLISHED_FLOOD	You are using an API key that is limited on the server side
 USER_NOT_PARTICIPANT	The user is not a member of this chat
 CHANNEL_PRIVATE	The channel/supergroup is not accessible
-MESSAGE_IDS_EMPTY	The requested message doesn't exist
+MESSAGE_IDS_EMPTY	The requested message doesn't exist
+WEBPAGE_MEDIA_EMPTY	The URL doesn't contain any valid media
+QUERY_ID_INVALID	The callback query id is invalid
+MEDIA_EMPTY	The media is invalid
+USER_IS_BLOCKED	The user blocked you
+YOU_BLOCKED_USER	You blocked this user
+ADMINS_TOO_MUCH	The chat has too many administrators
+BOTS_TOO_MUCH	The chat has too many bots
+USER_ADMIN_INVALID	The action requires admin privileges

compiler/error/source/500_INTERNAL_SERVER_ERROR.tsv

@@ -4,4 +4,5 @@ RPC_CALL_FAIL	Telegram is having internal problems. Please try again later
 RPC_MCGET_FAIL	Telegram is having internal problems. Please try again later
 PERSISTENT_TIMESTAMP_OUTDATED	Telegram is having internal problems. Please try again later
 HISTORY_GET_FAILED	Telegram is having internal problems. Please try again later
-REG_ID_GENERATE_FAILED	Telegram is having internal problems. Please try again later
+REG_ID_GENERATE_FAILED	Telegram is having internal problems. Please try again later
+RANDOM_ID_DUPLICATE	Telegram is having internal problems. Please try again later

examples/welcome_bot.py

@@ -6,22 +6,40 @@ to make it only work for specific messages in a specific chat.
 
 from pyrogram import Client, Emoji, Filters
 
-MENTION = "[{}](tg://user?id={})"
-MESSAGE = "{} Welcome to [Pyrogram](https://docs.pyrogram.ml/)'s group chat {}!"
+USER = "**{}**"
+MESSAGE = "{} Welcome to [Pyrogram](https://docs.pyrogram.ml/)'s group chat {{}}!".format(Emoji.SPARKLES)
+
+enabled_groups = Filters.chat("PyrogramChat")
+last_welcomes = {}
 
 app = Client("my_account")
 
 
-@app.on_message(Filters.chat("PyrogramChat") & Filters.new_chat_members)
+@app.on_message(enabled_groups & Filters.new_chat_members)
 def welcome(client, message):
-    # Build the new members list (with mentions) by using their first_name
-    new_members = [MENTION.format(i.first_name, i.id) for i in message.new_chat_members]
+    chat_id = message.chat.id
 
-    # Build the welcome message by using an emoji and the list we built above
-    text = MESSAGE.format(Emoji.SPARKLES, ", ".join(new_members))
+    # Get the previous welcome message and members, if any
+    previous_welcome, previous_members = last_welcomes.pop(chat_id, (None, []))
 
-    # Send the welcome message
-    message.reply(text, disable_web_page_preview=True)
+    # Delete the previous message, if exists
+    if previous_welcome:
+        previous_welcome.delete()
+
+    # Build the new members list by using their first_name. Also append the previous members, if any
+    new_members = [USER.format(i.first_name) for i in message.new_chat_members] + previous_members
+
+    # Build the welcome message by using an emoji and the list we created above
+    text = MESSAGE.format(", ".join(new_members))
+
+    # Actually send the welcome and save the new message and the new members list
+    last_welcomes[message.chat.id] = message.reply(text, disable_web_page_preview=True), new_members
+
+
+@app.on_message(enabled_groups)
+def reset(client, message):
+    # Don't make the bot delete the previous welcome in case someone talks in the middle
+    last_welcomes.pop(message.chat.id, None)
 
 
 app.run()  # Automatically start() and idle()

pyrogram/client/client.py

@@ -199,10 +199,9 @@ class Client(Methods, BaseClient):
         self.dispatcher = Dispatcher(self, workers)
 
     def __enter__(self):
-        self.start()
-        return self
+        return self.start()
 
-    def __exit__(self, exc_type, exc_val, exc_tb):
+    def __exit__(self, *args):
         self.stop()
 
     @property
@@ -284,6 +283,8 @@ class Client(Methods, BaseClient):
 
         mimetypes.init()
 
+        return self
+
     async def stop(self):
         """Use this method to manually stop the Client.
         Requires no parameters.
@@ -318,6 +319,8 @@ class Client(Methods, BaseClient):
         self.is_started = False
         await self.session.stop()
 
+        return self
+
     async def idle(self, stop_signals: tuple = (SIGINT, SIGTERM, SIGABRT)):
         """Blocks the program execution until one of the signals are received,
         then gently stop the Client by closing the underlying connection.
@@ -439,6 +442,8 @@ class Client(Methods, BaseClient):
         else:
             self.user_id = r.user.id
 
+            print("Logged in successfully as @{}".format(r.user.username))
+
     async def authorize_user(self):
         phone_number_invalid_raises = self.phone_number is not None
         phone_code_invalid_raises = self.phone_code is not None
@@ -623,7 +628,7 @@ class Client(Methods, BaseClient):
         self.password = None
         self.user_id = r.user.id
 
-        print("Login successful")
+        print("Logged in successfully as {}".format(r.user.first_name))
 
     def fetch_peers(self, entities: list):
         for entity in entities:
@@ -1234,7 +1239,7 @@ class Client(Methods, BaseClient):
                        version: int = 0,
                        size: int = None,
                        progress: callable = None,
-                       progress_args: tuple = None) -> str:
+                       progress_args: tuple = ()) -> str:
         with await self.media_sessions_lock:
             session = self.media_sessions.get(dc_id, None)
 
@@ -1316,7 +1321,7 @@ class Client(Methods, BaseClient):
                         offset += limit
 
                         if progress:
-                            progress(self, min(offset, size), size, *progress_args)
+                            progress(self, min(offset, size) if size != 0 else offset, size, *progress_args)
 
                         r = await session.send(
                             functions.upload.GetFile(
@@ -1398,7 +1403,7 @@ class Client(Methods, BaseClient):
                             offset += limit
 
                             if progress:
-                                progress(self, min(offset, size), size, *progress_args)
+                                progress(self, min(offset, size) if size != 0 else offset, size, *progress_args)
 
                             if len(chunk) < limit:
                                 break

pyrogram/client/ext/utils.py

@@ -338,6 +338,7 @@ async def parse_messages(
             video_note = None
             sticker = None
             document = None
+            web_page = None
 
             media = message.media
 
@@ -585,6 +586,8 @@ async def parse_messages(
                                 file_size=doc.size,
                                 date=doc.date
                             )
+                elif isinstance(media, types.MessageMediaWebPage):
+                    web_page = True
                 else:
                     media = None
 
@@ -632,6 +635,7 @@ async def parse_messages(
                 video_note=video_note,
                 sticker=sticker,
                 document=document,
+                web_page=web_page,
                 views=message.views,
                 via_bot=parse_user(users.get(message.via_bot_id, None)),
                 outgoing=message.out,

pyrogram/client/filters/filters.py

@@ -118,6 +118,9 @@ class Filters:
     venue = create("Venue", lambda _, m: bool(m.venue))
     """Filter messages that contain :obj:`Venue <pyrogram.api.types.pyrogram.Venue>` objects."""
 
+    web_page = create("WebPage", lambda _, m: m.web_page)
+    """Filter messages sent with a webpage preview."""
+
     private = create("Private", lambda _, m: bool(m.chat and m.chat.type == "private"))
     """Filter messages sent in private chats."""
 
@@ -169,6 +172,9 @@ class Filters:
     mentioned = create("Mentioned", lambda _, m: bool(m.mentioned))
     """Filter messages containing mentions"""
 
+    via_bot = create("ViaBot", lambda _, m: bool(m.via_bot))
+    """Filter messages sent via inline bots"""
+
     service = create("Service", lambda _, m: bool(m.service))
     """Filter service messages. A service message contains any of the following fields set
     

pyrogram/client/methods/decorators/on_callback_query.py

@@ -27,6 +27,13 @@ class OnCallbackQuery(BaseClient):
         callback queries. This does the same thing as :meth:`add_handler` using the
         :class:`CallbackQueryHandler`.
 
+        .. note::
+            This decorator will wrap your defined function in a tuple consisting of *(Handler, group)*.
+
+            To reference your own function after it has been decorated, you need to access
+            *my_function[0].callback*, that is, the *callback* field of Handler object which is the the
+            first element in the tuple.
+
         Args:
             filters (:obj:`Filters <pyrogram.Filters>`):
                 Pass one or more filters to allow only a subset of callback queries to be passed

pyrogram/client/methods/decorators/on_deleted_messages.py

@@ -27,6 +27,13 @@ class OnDeletedMessages(BaseClient):
         deleted messages. This does the same thing as :meth:`add_handler` using the
         :class:`DeletedMessagesHandler`.
 
+        .. note::
+            This decorator will wrap your defined function in a tuple consisting of *(Handler, group)*.
+
+            To reference your own function after it has been decorated, you need to access
+            *my_function[0].callback*, that is, the *callback* field of Handler object which is the the
+            first element in the tuple.
+
         Args:
             filters (:obj:`Filters <pyrogram.Filters>`):
                 Pass one or more filters to allow only a subset of messages to be passed

pyrogram/client/methods/decorators/on_message.py

@@ -27,6 +27,13 @@ class OnMessage(BaseClient):
         messages. This does the same thing as :meth:`add_handler` using the
         :class:`MessageHandler`.
 
+        .. note::
+            This decorator will wrap your defined function in a tuple consisting of *(Handler, group)*.
+
+            To reference your own function after it has been decorated, you need to access
+            *my_function[0].callback*, that is, the *callback* field of Handler object which is the the
+            first element in the tuple.
+
         Args:
             filters (:obj:`Filters <pyrogram.Filters>`):
                 Pass one or more filters to allow only a subset of messages to be passed

pyrogram/client/methods/decorators/on_raw_update.py

@@ -26,6 +26,13 @@ class OnRawUpdate(BaseClient):
         raw updates. This does the same thing as :meth:`add_handler` using the
         :class:`RawUpdateHandler`.
 
+        .. note::
+            This decorator will wrap your defined function in a tuple consisting of *(Handler, group)*.
+
+            To reference your own function after it has been decorated, you need to access
+            *my_function[0].callback*, that is, the *callback* field of Handler object which is the the
+            first element in the tuple.
+
         Args:
             group (``int``, *optional*):
                 The group identifier, defaults to 0.

pyrogram/client/methods/decorators/on_user_status.py

@@ -27,6 +27,13 @@ class OnUserStatus(BaseClient):
         user status updates. This does the same thing as :meth:`add_handler` using the
         :class:`UserStatusHandler`.
 
+        .. note::
+            This decorator will wrap your defined function in a tuple consisting of *(Handler, group)*.
+
+            To reference your own function after it has been decorated, you need to access
+            *my_function[0].callback*, that is, the *callback* field of Handler object which is the the
+            first element in the tuple.
+
         Args:
             filters (:obj:`Filters <pyrogram.Filters>`):
                 Pass one or more filters to allow only a subset of UserStatus updated to be passed in your function.

pyrogram/client/methods/messages/send_media_group.py

@@ -108,6 +108,7 @@ class SendMediaGroup(BaseClient):
                             peer=await self.resolve_peer(chat_id),
                             media=types.InputMediaUploadedDocument(
                                 file=await self.save_file(i.media),
+                                thumb=None if i.thumb is None else self.save_file(i.thumb),
                                 mime_type=mimetypes.types_map[".mp4"],
                                 attributes=[
                                     types.DocumentAttributeVideo(

pyrogram/client/methods/utilities/download_media.py

@@ -28,7 +28,7 @@ class DownloadMedia(BaseClient):
                              file_name: str = "",
                              block: bool = True,
                              progress: callable = None,
-                             progress_args: tuple = None):
+                             progress_args: tuple = ()):
         """Use this method to download the media from a Message.
 
         Args:

pyrogram/client/types/messages_and_media/message.py

@@ -134,6 +134,12 @@ class Message(Object):
         venue (:obj:`Venue <pyrogram.Venue>`, *optional*):
             Message is a venue, information about the venue.
 
+        web_page (``bool``, *optional*):
+            Message was sent with a webpage preview.
+            **Note:** Support for web pages is still basic; a simple boolean is set in case the message contains a
+            web page preview. In future versions this property could turn into a full web page object that contains
+            more details.
+
         new_chat_members (List of :obj:`User <pyrogram.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).
@@ -246,6 +252,7 @@ class Message(Object):
             contact=None,
             location=None,
             venue=None,
+            web_page=None,
             new_chat_members: list = None,
             left_chat_member=None,
             new_chat_title: str = None,
@@ -297,6 +304,7 @@ class Message(Object):
         self.contact = contact  # flags.22?Contact
         self.location = location  # flags.23?Location
         self.venue = venue  # flags.24?Venue
+        self.web_page = web_page
         self.new_chat_members = new_chat_members  # flags.25?Vector<User>
         self.left_chat_member = left_chat_member  # flags.26?User
         self.new_chat_title = new_chat_title  # flags.27?string