Merge branch 'new-api' into new-api-docs

# Conflicts:
#	compiler/api/compiler.py
#	docs/source/pyrogram/index.rst

compiler/api/compiler.py

@@ -25,7 +25,7 @@ DESTINATION = "pyrogram/api"
 NOTICE_PATH = "NOTICE"
 SECTION_RE = re.compile(r"---(\w+)---")
 LAYER_RE = re.compile(r"//\sLAYER\s(\d+)")
-COMBINATOR_RE = re.compile(r"^([\w.]+)#([0-9a-f]+)\s(?:.*)=\s([\w<>.]+);$", re.MULTILINE)
+COMBINATOR_RE = re.compile(r"^([\w.]+)#([0-9a-f]+)\s(?:.*)=\s([\w<>.]+);(?: // Docs: (.+))?$", re.MULTILINE)
 ARGS_RE = re.compile("[^{](\w+):([\w?!.<>]+)")
 FLAGS_RE = re.compile(r"flags\.(\d+)\?")
 FLAGS_RE_2 = re.compile(r"flags\.(\d+)\?([\w<>.]+)")
@@ -38,7 +38,7 @@ types_to_functions = {}
 constructors_to_functions = {}
 
 
-def get_docstring_arg_type(t: str, is_list: bool = False):
+def get_docstring_arg_type(t: str, is_list: bool = False, is_pyrogram_type: bool = False):
     if t in core_types:
         if t == "long":
             return "``int`` ``64-bit``"
@@ -60,11 +60,17 @@ def get_docstring_arg_type(t: str, is_list: bool = False):
     elif t.startswith("Vector"):
         return "List of " + get_docstring_arg_type(t.split("<")[1][:-1], is_list=True)
     else:
+        if is_pyrogram_type:
+            t = "pyrogram." + t
+
         t = types_to_constructors.get(t, [t])
         n = len(t) - 1
 
         t = (("e" if is_list else "E") + "ither " if n else "") + ", ".join(
-            ":obj:`{0} <pyrogram.api.types.{0}>`".format(i)
+            ":obj:`{1} <pyrogram.api.types.{0}{1}>`".format(
+                "pyrogram." if is_pyrogram_type else "",
+                i.lstrip("pyrogram.")
+            )
             for i in t
         )
 
@@ -94,7 +100,15 @@ def get_references(t: str):
 
 
 class Combinator:
-    def __init__(self, section: str, namespace: str, name: str, id: str, args: list, has_flags: bool, return_type: str):
+    def __init__(self,
+                 section: str,
+                 namespace: str,
+                 name: str,
+                 id: str,
+                 args: list,
+                 has_flags: bool,
+                 return_type: str,
+                 docs: str):
         self.section = section
         self.namespace = namespace
         self.name = name
@@ -102,6 +116,7 @@ class Combinator:
         self.args = args
         self.has_flags = has_flags
         self.return_type = return_type
+        self.docs = docs
 
 
 def snek(s: str):
@@ -131,11 +146,15 @@ def start():
 
     with open("{}/source/auth_key.tl".format(HOME), encoding="utf-8") as auth, \
             open("{}/source/sys_msgs.tl".format(HOME), encoding="utf-8") as system, \
-            open("{}/source/main_api.tl".format(HOME), encoding="utf-8") as api:
+            open("{}/source/main_api.tl".format(HOME), encoding="utf-8") as api, \
-        schema = (auth.read() + system.read() + api.read()).splitlines()
+            open("{}/source/pyrogram.tl".format(HOME), encoding="utf-8") as pyrogram:
+        schema = (auth.read() + system.read() + api.read() + pyrogram.read()).splitlines()
 
-    with open("{}/template/class.txt".format(HOME), encoding="utf-8") as f:
+    with open("{}/template/mtproto.txt".format(HOME), encoding="utf-8") as f:
-        template = f.read()
+        mtproto_template = f.read()
+
+    with open("{}/template/pyrogram.txt".format(HOME), encoding="utf-8") as f:
+        pyrogram_template = f.read()
 
     with open(NOTICE_PATH, encoding="utf-8") as f:
         notice = []
@@ -165,9 +184,9 @@ def start():
 
         combinator = COMBINATOR_RE.match(line)
         if combinator:
-            name, id, return_type = combinator.groups()
+            name, id, return_type, docs = combinator.groups()
             namespace, name = name.split(".") if "." in name else ("", name)
-            args = ARGS_RE.findall(line)
+            args = ARGS_RE.findall(line.split(" //")[0])
 
             # Pingu!
             has_flags = not not FLAGS_RE_3.findall(line)
@@ -195,7 +214,8 @@ def start():
                     ".".join(
                         return_type.split(".")[:-1]
                         + [capit(return_type.split(".")[-1])]
-                    )
+                    ),
+                    docs
                 )
             )
 
@@ -254,6 +274,7 @@ def start():
         ) if c.args else "pass"
 
         docstring_args = []
+        docs = c.docs.split("|")[1:] if c.docs else None
 
         for i, arg in enumerate(sorted_args):
             arg_name, arg_type = arg
@@ -261,11 +282,21 @@ def start():
             flag_number = is_optional.group(1) if is_optional else -1
             arg_type = arg_type.split("?")[-1]
 
+            if docs:
                 docstring_args.append(
-                "{}{}: {}".format(
+                    "{} ({}{}):\n            {}\n".format(
                         arg_name,
-                    " (optional)".format(flag_number) if is_optional else "",
+                        get_docstring_arg_type(arg_type, is_pyrogram_type=True),
-                    get_docstring_arg_type(arg_type)
+                        ", optional" if "Optional" in docs[i] else "",
+                        re.sub("Optional\. ", "", docs[i].split("§")[1].rstrip(".") + ".")
+                    )
+                )
+            else:
+                docstring_args.append(
+                    "{}: {}{}".format(
+                        arg_name,
+                        "``optional`` ".format(flag_number) if is_optional else "",
+                        get_docstring_arg_type(arg_type, is_pyrogram_type=c.namespace == "pyrogram")
                     )
                 )
 
@@ -370,9 +401,25 @@ def start():
                     read_types += "\n        "
                     read_types += "{} = Object.read(b)\n        ".format(arg_name)
 
+        if c.docs:
+            description = c.docs.split("|")[0].split("§")[1]
+            docstring_args = description + "\n\n    " + docstring_args
+
         with open("{}/{}.py".format(path, snek(c.name)), "w", encoding="utf-8") as f:
+            if c.docs:
                 f.write(
-                template.format(
+                    pyrogram_template.format(
+                        notice=notice,
+                        class_name=capit(c.name),
+                        docstring_args=docstring_args,
+                        object_id=c.id,
+                        arguments=arguments,
+                        fields=fields
+                    )
+                )
+            else:
+                f.write(
+                    mtproto_template.format(
                         notice=notice,
                         class_name=capit(c.name),
                         docstring_args=docstring_args,

compiler/api/source/pyrogram.tl

@@ -0,0 +1,22 @@
+// Pyrogram
+
+---types---
+
+pyrogram.update#b0700000 flags:# update_id:int message:flags.0?Message edited_message:flags.1?Message channel_post:flags.2?Message edited_channel_post:flags.3?Message inline_query:flags.4?InlineQuery chosen_inline_result:flags.5?ChosenInlineResult callback_query:flags.6?CallbackQuery shipping_query:flags.7?ShippingQuery pre_checkout_query:flags.8?PreCheckoutQuery = pyrogram.Update;
+pyrogram.user#b0700001 flags:# id:int is_bot:Bool first_name:string last_name:flags.0?string username:flags.1?string language_code:flags.2?string phone_number:flags.3?string = pyrogram.User;
+pyrogram.chat#b0700002 flags:# id:int type:string title:flags.0?string username:flags.1?string first_name:flags.2?string last_name:flags.3?string all_members_are_administrators:flags.4?Bool photo:flags.5?ChatPhoto description:flags.6?string invite_link:flags.7?string pinned_message:flags.8?Message sticker_set_name:flags.9?string can_set_sticker_set:flags.10?Bool = pyrogram.Chat;
+pyrogram.message#b0700003 flags:# message_id:int from_user:flags.0?User date:int chat:Chat forward_from:flags.1?User forward_from_chat:flags.2?Chat forward_from_message_id:flags.3?int forward_signature:flags.4?string forward_date:flags.5?int reply_to_message:flags.6?Message edit_date:flags.7?int media_group_id:flags.8?string author_signature:flags.9?string text:flags.10?string entities:flags.11?Vector<MessageEntity> caption_entities:flags.12?Vector<MessageEntity> audio:flags.13?Audio document:flags.14?Document game:flags.15?Game photo:flags.16?Vector<PhotoSize> sticker:flags.17?Sticker video:flags.18?Video voice:flags.19?Voice video_note:flags.20?VideoNote caption:flags.21?string contact:flags.22?Contact location:flags.23?Location venue:flags.24?Venue new_chat_members:flags.25?Vector<User> left_chat_member:flags.26?User new_chat_title:flags.27?string new_chat_photo:flags.28?Vector<PhotoSize> delete_chat_photo:flags.29?true group_chat_created:flags.30?true supergroup_chat_created:flags.31?true channel_chat_created:flags.32?true migrate_to_chat_id:flags.33?int migrate_from_chat_id:flags.34?int pinned_message:flags.35?Message invoice:flags.36?Invoice successful_payment:flags.37?SuccessfulPayment connected_website:flags.38?string views:flags.39?int via_bot:flags.40?User = pyrogram.Message;
+pyrogram.messageEntity#b0700004 flags:# type:string offset:int length:int url:flags.0?string user:flags.1?User = pyrogram.MessageEntity;
+pyrogram.photoSize#b0700005 flags:# file_id:string width:int height:int file_size:flags.0?int = pyrogram.PhotoSize;
+pyrogram.audio#b0700006 flags:# file_id:string duration:int performer:flags.0?string title:flags.1?string mime_type:flags.2?string file_size:flags.3?int = pyrogram.Audio;
+pyrogram.document#b0700007 flags:# file_id:string thumb:flags.0?PhotoSize file_name:flags.1?string mime_type:flags.2?string file_size:flags.3?int = pyrogram.Document;
+pyrogram.video#b0700008 flags:# file_id:string width:int height:int duration:int thumb:flags.0?PhotoSize mime_type:flags.1?string file_size:flags.2?int = pyrogram.Video;
+pyrogram.voice#b0700009 flags:# file_id:string duration:int mime_type:flags.0?string file_size:flags.1?int = pyrogram.Voice;
+pyrogram.videoNote#b0700010 flags:# file_id:string length:int duration:int thumb:flags.0?PhotoSize file_size:flags.1?int = pyrogram.VideoNote;
+pyrogram.contact#b0700011 flags:# phone_number:string first_name:string last_name:flags.0?string user_id:flags.1?int = pyrogram.Contact;
+pyrogram.location#b0700012 longitude:double latitude:double = pyrogram.Location;
+pyrogram.venue#b0700013 flags:# location:Location title:string address:string foursquare_id:flags.0?string = pyrogram.Venue;
+pyrogram.userProfilePhotos#b0700014 total_count:int photos:Vector<Vector<PhotoSize>> = pyrogram.UserProfilePhotos;
+pyrogram.chatPhoto#b0700015 small_file_id:string big_file_id:string = pyrogram.ChatPhoto;
+pyrogram.chatMember#b0700016 flags:# user:User status:string until_date:flags.0?int can_be_edited:flags.1?Bool can_change_info:flags.2?Bool can_post_messages:flags.3?Bool can_edit_messages:flags.4?Bool can_delete_messages:flags.5?Bool can_invite_users:flags.6?Bool can_restrict_members:flags.7?Bool can_pin_messages:flags.8?Bool can_promote_members:flags.9?Bool can_send_messages:flags.10?Bool can_send_media_messages:flags.11?Bool can_send_other_messages:flags.12?Bool can_add_web_page_previews:flags.13?Bool = pyrogram.ChatMember;
+pyrogram.sticker#b0700017 flags:# file_id:string width:int height:int thumb:flags.0?PhotoSize emoji:flags.1?string set_name:flags.2?string mask_position:flags.3?MaskPosition file_size:flags.4?int = pyrogram.Sticker;

compiler/api/template/mtproto.txt

@@ -6,8 +6,7 @@ from pyrogram.api.core import *
 
 
 class {class_name}(Object):
-    """
+    """{docstring_args}
-    {docstring_args}
     """
     ID = {object_id}
 

compiler/api/template/pyrogram.txt

@@ -0,0 +1,11 @@
+{notice}
+
+from pyrogram.api.core import Object
+
+class {class_name}(Object):
+    """{docstring_args}
+    """
+    ID = {object_id}
+
+    def __init__(self{arguments}):
+        {fields}

docs/source/pyrogram/Filters.rst

@@ -0,0 +1,6 @@
+Filters
+=======
+
+.. autoclass:: pyrogram.Filters
+    :members:
+    :undoc-members:

docs/source/pyrogram/InputMedia.rst

@@ -1,6 +0,0 @@
-InputMedia
-==========
-
-.. autoclass:: pyrogram.InputMedia
-    :members:
-    :undoc-members:

docs/source/pyrogram/InputMediaPhoto.rst

@@ -0,0 +1,6 @@
+InputMediaPhoto
+===============
+
+.. autoclass:: pyrogram.InputMediaPhoto
+    :members:
+    :undoc-members:

docs/source/pyrogram/InputMediaVideo.rst

@@ -0,0 +1,6 @@
+InputMediaVideo
+===============
+
+.. autoclass:: pyrogram.InputMediaVideo
+    :members:
+    :undoc-members:

docs/source/pyrogram/MessageHandler.rst

@@ -0,0 +1,6 @@
+MessageHandler
+==============
+
+.. autoclass:: pyrogram.MessageHandler
+    :members:
+    :undoc-members:

docs/source/pyrogram/RawUpdateHandler.rst

@@ -0,0 +1,6 @@
+\RawUpdateHandler
+================
+
+.. autoclass:: pyrogram.RawUpdateHandler
+    :members:
+    :undoc-members:

docs/source/pyrogram/index.rst

@@ -9,11 +9,38 @@ the same parameters as well, thus offering a familiar look to Bot developers.
 
 .. toctree::
     Client
+    MessageHandler
+    RawUpdateHandler
+    Filters
     ChatAction
     ParseMode
     Emoji
-    InputMedia
-    InputPhoneContact
     Error
 
+Types
+-----
+
+.. toctree::
+    ../types/pyrogram/User
+    ../types/pyrogram/Chat
+    ../types/pyrogram/Message
+    ../types/pyrogram/MessageEntity
+    ../types/pyrogram/PhotoSize
+    ../types/pyrogram/Audio
+    ../types/pyrogram/Document
+    ../types/pyrogram/Video
+    ../types/pyrogram/Voice
+    ../types/pyrogram/VideoNote
+    ../types/pyrogram/Contact
+    ../types/pyrogram/Location
+    ../types/pyrogram/Venue
+    ../types/pyrogram/UserProfilePhotos
+    ../types/pyrogram/ChatPhoto
+    ../types/pyrogram/ChatMember
+    InputMediaPhoto
+    InputMediaVideo
+    InputPhoneContact
+    ../types/pyrogram/Sticker
+
+
 .. _Telegram Bot API: https://core.telegram.org/bots/api#available-methods

pyrogram/__init__.py

@@ -26,9 +26,13 @@ __license__ = "GNU Lesser General Public License v3 or later (LGPLv3+)"
 __version__ = "0.6.5"
 
 from .api.errors import Error
+from .api.types.pyrogram import *
 from .client import ChatAction
 from .client import Client
 from .client import ParseMode
-from .client.input_media import InputMedia
+from .client.input_media_photo import InputMediaPhoto
+from .client.input_media_video import InputMediaVideo
 from .client.input_phone_contact import InputPhoneContact
 from .client import Emoji
+from .client.handlers import MessageHandler, RawUpdateHandler
+from .client.filters import Filters

pyrogram/api/core/object.py

@@ -37,6 +37,9 @@ class Object:
     def __str__(self) -> str:
         return dumps(self, cls=Encoder, indent=4)
 
+    def __bool__(self) -> bool:
+        return True
+
     def __eq__(self, other) -> bool:
         return self.__dict__ == other.__dict__
 
@@ -47,6 +50,15 @@ class Object:
         pass
 
 
+def remove_none(obj):
+    if isinstance(obj, (list, tuple, set)):
+        return type(obj)(remove_none(x) for x in obj if x is not None)
+    elif isinstance(obj, dict):
+        return type(obj)((remove_none(k), remove_none(v)) for k, v in obj.items() if k is not None and v is not None)
+    else:
+        return obj
+
+
 class Encoder(JSONEncoder):
     def default(self, o: Object):
         try:
@@ -57,6 +69,9 @@ class Encoder(JSONEncoder):
             else:
                 return repr(o)
 
+        if "pyrogram" in objects.get(getattr(o, "ID", "")):
+            return remove_none(OrderedDict([i for i in content.items()]))
+        else:
             return OrderedDict(
                 [("_", objects.get(getattr(o, "ID", None), None))]
                 + [i for i in content.items()]

pyrogram/client/__init__.py

@@ -18,5 +18,5 @@
 
 from .chat_action import ChatAction
 from .client import Client
-from .parse_mode import ParseMode
 from .emoji import Emoji
+from .parse_mode import ParseMode

pyrogram/client/client.py

@@ -36,6 +36,7 @@ from queue import Queue
 from signal import signal, SIGINT, SIGTERM, SIGABRT
 from threading import Event, Thread
 
+import pyrogram
 from pyrogram.api import functions, types
 from pyrogram.api.core import Object
 from pyrogram.api.errors import (
@@ -44,12 +45,15 @@ from pyrogram.api.errors import (
     PhoneCodeExpired, PhoneCodeEmpty, SessionPasswordNeeded,
     PasswordHashInvalid, FloodWait, PeerIdInvalid, FilePartMissing,
     ChatAdminRequired, FirstnameInvalid, PhoneNumberBanned,
-    VolumeLocNotFound, UserMigrate)
+    VolumeLocNotFound, UserMigrate, FileIdInvalid)
 from pyrogram.crypto import AES
 from pyrogram.session import Auth, Session
 from pyrogram.session.internals import MsgId
+from . import message_parser
+from .dispatcher import Dispatcher
 from .input_media import InputMedia
 from .style import Markdown, HTML
+from .utils import decode
 
 log = logging.getLogger(__name__)
 
@@ -130,6 +134,18 @@ class Client:
     UPDATES_WORKERS = 1
     DOWNLOAD_WORKERS = 1
 
+    MEDIA_TYPE_ID = {
+        0: "Thumbnail",
+        2: "Photo",
+        3: "Voice",
+        4: "Video",
+        5: "Document",
+        8: "Sticker",
+        9: "Audio",
+        10: "GIF",
+        13: "VideoNote"
+    }
+
     def __init__(self,
                  session_name: str,
                  api_id: int or str = None,
@@ -181,10 +197,62 @@ class Client:
         self.is_idle = None
 
         self.updates_queue = Queue()
-        self.update_queue = Queue()
+        self.download_queue = Queue()
+
+        self.dispatcher = Dispatcher(self, workers)
         self.update_handler = None
 
-        self.download_queue = Queue()
+    def on_message(self, filters=None, group: int = 0):
+        """Use this decorator to automatically register a function for handling
+        messages. This does the same thing as :meth:`add_handler` using the
+        MessageHandler.
+
+        Args:
+            filters (:obj:`Filters <pyrogram.Filters>`):
+                Pass one or more filters to allow only a subset of messages to be passed
+                in your function.
+
+            group (``int``, optional):
+                The group identifier, defaults to 0.
+        """
+
+        def decorator(func):
+            self.add_handler(pyrogram.MessageHandler(func, filters), group)
+            return func
+
+        return decorator
+
+    def on_raw_update(self, group: int = 0):
+        """Use this decorator to automatically register a function for handling
+        raw updates. This does the same thing as :meth:`add_handler` using the
+        RawUpdateHandler.
+
+        Args:
+            group (``int``, optional):
+                The group identifier, defaults to 0.
+        """
+
+        def decorator(func):
+            self.add_handler(pyrogram.RawUpdateHandler(func), group)
+            return func
+
+        return decorator
+
+    def add_handler(self, handler, group: int = 0):
+        """Use this method to register an event handler.
+
+        You can register multiple handlers, but at most one handler within a group
+        will be used for a single event. To handle the same event more than once, register
+        your handler using a different group id (lower group id == higher priority).
+
+        Args:
+            handler (:obj:`Handler <pyrogram.handler.Handler>`):
+                The handler to be registered.
+
+            group (``int``, optional):
+                The group identifier, defaults to 0.
+        """
+        self.dispatcher.add_handler(handler, group)
 
     def start(self):
         """Use this method to start the Client after creating it.
@@ -232,12 +300,11 @@ class Client:
         for i in range(self.UPDATES_WORKERS):
             Thread(target=self.updates_worker, name="UpdatesWorker#{}".format(i + 1)).start()
 
-        for i in range(self.workers):
-            Thread(target=self.update_worker, name="UpdateWorker#{}".format(i + 1)).start()
-
         for i in range(self.DOWNLOAD_WORKERS):
             Thread(target=self.download_worker, name="DownloadWorker#{}".format(i + 1)).start()
 
+        self.dispatcher.start()
+
         mimetypes.init()
 
     def stop(self):
@@ -253,12 +320,11 @@ class Client:
         for _ in range(self.UPDATES_WORKERS):
             self.updates_queue.put(None)
 
-        for _ in range(self.workers):
-            self.update_queue.put(None)
-
         for _ in range(self.DOWNLOAD_WORKERS):
             self.download_queue.put(None)
 
+        self.dispatcher.stop()
+
     def authorize_bot(self):
         try:
             r = self.send(
@@ -682,7 +748,7 @@ class Client:
                             if len(self.channels_pts[channel_id]) > 50:
                                 self.channels_pts[channel_id] = self.channels_pts[channel_id][25:]
 
-                        self.update_queue.put((update, updates.users, updates.chats))
+                        self.dispatcher.updates.put((update, updates.users, updates.chats))
                 elif isinstance(updates, (types.UpdateShortMessage, types.UpdateShortChatMessage)):
                     diff = self.send(
                         functions.updates.GetDifference(
@@ -692,7 +758,7 @@ class Client:
                         )
                     )
 
-                    self.update_queue.put((
+                    self.dispatcher.updates.put((
                         types.UpdateNewMessage(
                             message=diff.new_messages[0],
                             pts=updates.pts,
@@ -702,30 +768,7 @@ class Client:
                         diff.chats
                     ))
                 elif isinstance(updates, types.UpdateShort):
-                    self.update_queue.put((updates.update, [], []))
+                    self.dispatcher.updates.put((updates.update, [], []))
-            except Exception as e:
-                log.error(e, exc_info=True)
-
-        log.debug("{} stopped".format(name))
-
-    def update_worker(self):
-        name = threading.current_thread().name
-        log.debug("{} started".format(name))
-
-        while True:
-            update = self.update_queue.get()
-
-            if update is None:
-                break
-
-            try:
-                if self.update_handler:
-                    self.update_handler(
-                        self,
-                        update[0],
-                        {i.id: i for i in update[1]},
-                        {i.id: i for i in update[2]}
-                    )
             except Exception as e:
                 log.error(e, exc_info=True)
 
@@ -752,47 +795,6 @@ class Client:
         while self.is_idle:
             time.sleep(1)
 
-    def set_update_handler(self, callback: callable):
-        """Use this method to set the update handler.
-
-        You must call this method *before* you *start()* the Client.
-
-        Args:
-            callback (``callable``):
-                A function that will be called when a new update is received from the server. It takes
-                *(client, update, users, chats)* as positional arguments (Look at the section below for
-                a detailed description).
-
-        Other Parameters:
-            client (:class:`Client <pyrogram.Client>`):
-                The Client itself, useful when you want to call other API methods inside the update handler.
-
-            update (``Update``):
-                The received update, which can be one of the many single Updates listed in the *updates*
-                field you see in the :obj:`Update <pyrogram.api.types.Update>` type.
-
-            users (``dict``):
-                Dictionary of all :obj:`User <pyrogram.api.types.User>` mentioned in the update.
-                You can access extra info about the user (such as *first_name*, *last_name*, etc...) by using
-                the IDs you find in the *update* argument (e.g.: *users[1768841572]*).
-
-            chats (``dict``):
-                Dictionary of all :obj:`Chat <pyrogram.api.types.Chat>` and
-                :obj:`Channel <pyrogram.api.types.Channel>` mentioned in the update.
-                You can access extra info about the chat (such as *title*, *participants_count*, etc...)
-                by using the IDs you find in the *update* argument (e.g.: *chats[1701277281]*).
-
-        Note:
-            The following Empty or Forbidden types may exist inside the *users* and *chats* dictionaries.
-            They mean you have been blocked by the user or banned from the group/channel.
-
-            - :obj:`UserEmpty <pyrogram.api.types.UserEmpty>`
-            - :obj:`ChatEmpty <pyrogram.api.types.ChatEmpty>`
-            - :obj:`ChatForbidden <pyrogram.api.types.ChatForbidden>`
-            - :obj:`ChannelForbidden <pyrogram.api.types.ChannelForbidden>`
-        """
-        self.update_handler = callback
-
     def send(self, data: Object):
         """Use this method to send Raw Function queries.
 
@@ -1122,7 +1124,9 @@ class Client:
 
             photo (``str``):
                 Photo to send.
-                Pass a file path as string to send a photo that exists on your local machine.
+                Pass a file_id as string to send a photo that exists on the Telegram servers,
+                pass an HTTP URL as a string for Telegram to get a photo from the Internet, or
+                pass a file path as string to upload a new photo that exists on your local machine.
 
             caption (``bool``, optional):
                 Photo caption, 0-200 characters.
@@ -1156,23 +1160,55 @@ class Client:
                 The size of the file.
 
         Returns:
-            On success, the sent Message is returned.
+            On success, the sent :obj:`Message <pyrogram.Message>` is returned.
 
         Raises:
             :class:`Error <pyrogram.Error>`
         """
+        file = None
         style = self.html if parse_mode.lower() == "html" else self.markdown
+
+        if os.path.exists(photo):
             file = self.save_file(photo, progress=progress)
+            media = types.InputMediaUploadedPhoto(
+                file=file,
+                ttl_seconds=ttl_seconds
+            )
+        elif photo.startswith("http"):
+            media = types.InputMediaPhotoExternal(
+                url=photo,
+                ttl_seconds=ttl_seconds
+            )
+        else:
+            try:
+                decoded = decode(photo)
+                fmt = "<iiqqqqi" if len(decoded) > 24 else "<iiqq"
+                unpacked = struct.unpack(fmt, decoded)
+            except (AssertionError, binascii.Error, struct.error):
+                raise FileIdInvalid from None
+            else:
+                if unpacked[0] != 2:
+                    media_type = Client.MEDIA_TYPE_ID.get(unpacked[0], None)
+
+                    if media_type:
+                        raise FileIdInvalid("The file_id belongs to a {}".format(media_type))
+                    else:
+                        raise FileIdInvalid("Unknown media type: {}".format(unpacked[0]))
+
+                media = types.InputMediaPhoto(
+                    id=types.InputPhoto(
+                        id=unpacked[2],
+                        access_hash=unpacked[3]
+                    ),
+                    ttl_seconds=ttl_seconds
+                )
 
         while True:
             try:
                 r = self.send(
                     functions.messages.SendMedia(
                         peer=self.resolve_peer(chat_id),
-                        media=types.InputMediaUploadedPhoto(
+                        media=media,
-                            file=file,
-                            ttl_seconds=ttl_seconds
-                        ),
                         silent=disable_notification or None,
                         reply_to_msg_id=reply_to_message_id,
                         random_id=self.rnd_id(),
@@ -1182,7 +1218,12 @@ class Client:
             except FilePartMissing as e:
                 self.save_file(photo, file_id=file.id, file_part=e.x)
             else:
-                return r
+                for i in r.updates:
+                    if isinstance(i, (types.UpdateNewMessage, types.UpdateNewChannelMessage)):
+                        users = {i.id: i for i in r.users}
+                        chats = {i.id: i for i in r.chats}
+
+                        return message_parser.parse_message(self, i.message, users, chats)
 
     def send_audio(self,
                    chat_id: int or str,
@@ -1208,7 +1249,9 @@ class Client:
 
             audio (``str``):
                 Audio file to send.
-                Pass a file path as string to send an audio file that exists on your local machine.
+                Pass a file_id as string to send an audio file that exists on the Telegram servers,
+                pass an HTTP URL as a string for Telegram to get an audio file from the Internet, or
+                pass a file path as string to upload a new audio file that exists on your local machine.
 
             caption (``str``, optional):
                 Audio caption, 0-200 characters.
@@ -1246,20 +1289,17 @@ class Client:
                 The size of the file.
 
         Returns:
-            On success, the sent Message is returned.
+            On success, the sent :obj:`Message <pyrogram.Message>` is returned.
 
         Raises:
             :class:`Error <pyrogram.Error>`
         """
+        file = None
         style = self.html if parse_mode.lower() == "html" else self.markdown
-        file = self.save_file(audio, progress=progress)
 
-        while True:
+        if os.path.exists(audio):
-            try:
+            file = self.save_file(audio, progress=progress)
-                r = self.send(
+            media = types.InputMediaUploadedDocument(
-                    functions.messages.SendMedia(
-                        peer=self.resolve_peer(chat_id),
-                        media=types.InputMediaUploadedDocument(
                 mime_type=mimetypes.types_map.get("." + audio.split(".")[-1], "audio/mpeg"),
                 file=file,
                 attributes=[
@@ -1270,7 +1310,40 @@ class Client:
                     ),
                     types.DocumentAttributeFilename(os.path.basename(audio))
                 ]
-                        ),
+            )
+        elif audio.startswith("http"):
+            media = types.InputMediaDocumentExternal(
+                url=audio
+            )
+        else:
+            try:
+                decoded = decode(audio)
+                fmt = "<iiqqqqi" if len(decoded) > 24 else "<iiqq"
+                unpacked = struct.unpack(fmt, decoded)
+            except (AssertionError, binascii.Error, struct.error):
+                raise FileIdInvalid from None
+            else:
+                if unpacked[0] != 9:
+                    media_type = Client.MEDIA_TYPE_ID.get(unpacked[0], None)
+
+                    if media_type:
+                        raise FileIdInvalid("The file_id belongs to a {}".format(media_type))
+                    else:
+                        raise FileIdInvalid("Unknown media type: {}".format(unpacked[0]))
+
+                media = types.InputMediaDocument(
+                    id=types.InputDocument(
+                        id=unpacked[2],
+                        access_hash=unpacked[3]
+                    )
+                )
+
+        while True:
+            try:
+                r = self.send(
+                    functions.messages.SendMedia(
+                        peer=self.resolve_peer(chat_id),
+                        media=media,
                         silent=disable_notification or None,
                         reply_to_msg_id=reply_to_message_id,
                         random_id=self.rnd_id(),
@@ -1280,7 +1353,12 @@ class Client:
             except FilePartMissing as e:
                 self.save_file(audio, file_id=file.id, file_part=e.x)
             else:
-                return r
+                for i in r.updates:
+                    if isinstance(i, (types.UpdateNewMessage, types.UpdateNewChannelMessage)):
+                        users = {i.id: i for i in r.users}
+                        chats = {i.id: i for i in r.chats}
+
+                        return message_parser.parse_message(self, i.message, users, chats)
 
     def send_document(self,
                       chat_id: int or str,

pyrogram/client/dispatcher/__init__.py

@@ -0,0 +1,19 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from .dispatcher import Dispatcher

pyrogram/client/dispatcher/dispatcher.py

@@ -0,0 +1,148 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+import threading
+from collections import OrderedDict
+from queue import Queue
+from threading import Thread
+
+import pyrogram
+from pyrogram.api import types
+from .. import message_parser
+from ..handlers import RawUpdateHandler
+
+log = logging.getLogger(__name__)
+
+
+class Dispatcher:
+    MESSAGE_UPDATES = (
+        types.UpdateNewMessage,
+        types.UpdateNewChannelMessage
+    )
+
+    EDIT_UPDATES = (
+        types.UpdateEditMessage,
+        types.UpdateEditChannelMessage
+    )
+
+    ALLOWED_UPDATES = MESSAGE_UPDATES + EDIT_UPDATES
+
+    def __init__(self, client, workers):
+        self.client = client
+        self.workers = workers
+        self.updates = Queue()
+        self.groups = OrderedDict()
+
+    def start(self):
+        for i in range(self.workers):
+            Thread(
+                target=self.update_worker,
+                name="UpdateWorker#{}".format(i + 1)
+            ).start()
+
+    def stop(self):
+        for _ in range(self.workers):
+            self.updates.put(None)
+
+    def add_handler(self, handler, group: int):
+        if group not in self.groups:
+            self.groups[group] = []
+            self.groups = OrderedDict(sorted(self.groups.items()))
+
+        self.groups[group].append(handler)
+
+    def dispatch(self, update, users: dict = None, chats: dict = None, is_raw: bool = False):
+        for group in self.groups.values():
+            for handler in group:
+                if is_raw:
+                    if not isinstance(handler, RawUpdateHandler):
+                        continue
+
+                    args = (self.client, update, users, chats)
+                else:
+                    message = (update.message
+                               or update.channel_post
+                               or update.edited_message
+                               or update.edited_channel_post)
+
+                    if not handler.check(message):
+                        continue
+
+                    args = (self.client, message)
+
+                handler.callback(*args)
+                break
+
+    def update_worker(self):
+        name = threading.current_thread().name
+        log.debug("{} started".format(name))
+
+        while True:
+            update = self.updates.get()
+
+            if update is None:
+                break
+
+            try:
+                users = {i.id: i for i in update[1]}
+                chats = {i.id: i for i in update[2]}
+                update = update[0]
+
+                self.dispatch(update, users=users, chats=chats, is_raw=True)
+
+                if isinstance(update, Dispatcher.ALLOWED_UPDATES):
+                    if isinstance(update.message, types.Message):
+                        parser = message_parser.parse_message
+                    elif isinstance(update.message, types.MessageService):
+                        parser = message_parser.parse_message_service
+                    else:
+                        continue
+
+                    message = parser(
+                        self.client,
+                        update.message,
+                        users,
+                        chats
+                    )
+                else:
+                    continue
+
+                is_edited_message = isinstance(update, Dispatcher.EDIT_UPDATES)
+
+                self.dispatch(
+                    pyrogram.Update(
+                        update_id=0,
+                        message=((message if message.chat.type != "channel"
+                                  else None) if not is_edited_message
+                                 else None),
+                        edited_message=((message if message.chat.type != "channel"
+                                         else None) if is_edited_message
+                                        else None),
+                        channel_post=((message if message.chat.type == "channel"
+                                       else None) if not is_edited_message
+                                      else None),
+                        edited_channel_post=((message if message.chat.type == "channel"
+                                              else None) if is_edited_message
+                                             else None)
+                    )
+                )
+            except Exception as e:
+                log.error(e, exc_info=True)
+
+        log.debug("{} stopped".format(name))

pyrogram/client/filters/__init__.py

@@ -0,0 +1,19 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from .filters import Filters

pyrogram/client/filters/filter.py

@@ -0,0 +1,57 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class Filter:
+    def __call__(self, message):
+        raise NotImplementedError
+
+    def __invert__(self):
+        return InvertFilter(self)
+
+    def __and__(self, other):
+        return AndFilter(self, other)
+
+    def __or__(self, other):
+        return OrFilter(self, other)
+
+
+class InvertFilter(Filter):
+    def __init__(self, base):
+        self.base = base
+
+    def __call__(self, message):
+        return not self.base(message)
+
+
+class AndFilter(Filter):
+    def __init__(self, base, other):
+        self.base = base
+        self.other = other
+
+    def __call__(self, message):
+        return self.base(message) and self.other(message)
+
+
+class OrFilter(Filter):
+    def __init__(self, base, other):
+        self.base = base
+        self.other = other
+
+    def __call__(self, message):
+        return self.base(message) or self.other(message)

pyrogram/client/filters/filters.py

@@ -0,0 +1,218 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+import re
+
+from .filter import Filter
+
+
+def build(name: str, func: callable, **kwargs) -> type:
+    d = {"__call__": func}
+    d.update(kwargs)
+
+    return type(name, (Filter,), d)()
+
+
+class Filters:
+    """This class provides access to all the Filters available in Pyrogram.
+    It is intended to be used when adding an handler."""
+
+    text = build("Text", lambda _, m: bool(m.text and not m.text.startswith("/")))
+    """Filter text messages."""
+
+    reply = build("Reply", lambda _, m: bool(m.reply_to_message))
+    """Filter messages that are replies to other messages."""
+
+    forwarded = build("Forwarded", lambda _, m: bool(m.forward_date))
+    """Filter messages that are forwarded."""
+
+    caption = build("Caption", lambda _, m: bool(m.caption))
+    """Filter media messages that contain captions."""
+
+    edited = build("Edited", lambda _, m: bool(m.edit_date))
+    """Filter edited messages."""
+
+    audio = build("Audio", lambda _, m: bool(m.audio))
+    """Filter messages that contain an :obj:`Audio <pyrogram.Audio>`."""
+
+    document = build("Document", lambda _, m: bool(m.document))
+    """Filter messages that contain a :obj:`Document <pyrogram.Document>`."""
+
+    photo = build("Photo", lambda _, m: bool(m.photo))
+    """Filter messages that contain a :obj:`Photo <pyrogram.Photo>`."""
+
+    sticker = build("Sticker", lambda _, m: bool(m.sticker))
+    """Filter messages that contain a :obj:`Sticker <pyrogram.Sticker>`."""
+
+    video = build("Video", lambda _, m: bool(m.video))
+    """Filter messages that contain a :obj:`Video <pyrogram.Video>`."""
+
+    voice = build("Voice", lambda _, m: bool(m.voice))
+    """Filter messages that contain a :obj:`Voice <pyrogram.Voice>` note."""
+
+    video_note = build("Voice", lambda _, m: bool(m.video_note))
+    """Filter messages that contain a :obj:`VideoNote <pyrogram.VideoNote>`."""
+
+    contact = build("Contact", lambda _, m: bool(m.contact))
+    """Filter messages that contain a :obj:`Contact <pyrogram.Contact>`."""
+
+    location = build("Location", lambda _, m: bool(m.location))
+    """Filter messages that contain a :obj:`Location <pyrogram.Location>`."""
+
+    venue = build("Venue", lambda _, m: bool(m.venue))
+    """Filter messages that contain a :obj:`Venue <pyrogram.Venue>`."""
+
+    private = build("Private", lambda _, m: bool(m.chat.type == "private"))
+    """Filter messages sent in private chats."""
+
+    group = build("Group", lambda _, m: bool(m.chat.type in {"group", "supergroup"}))
+    """Filter messages sent in group or supergroup chats."""
+
+    channel = build("Channel", lambda _, m: bool(m.chat.type == "channel"))
+    """Filter messages sent in channels."""
+
+    @staticmethod
+    def command(command: str or list):
+        """Filter commands, i.e.: text messages starting with '/'.
+
+        Args:
+            command (``str`` | ``list``):
+                The command or list of commands as strings the filter should look for.
+        """
+        return build(
+            "Command",
+            lambda _, m: bool(
+                m.text
+                and m.text.startswith("/")
+                and (m.text[1:].split()[0] in _.c)
+            ),
+            c=(
+                {command}
+                if not isinstance(command, list)
+                else {c for c in command}
+            )
+        )
+
+    @staticmethod
+    def regex(pattern, flags: int = 0):
+        """Filter messages that match a given RegEx pattern.
+
+        Args:
+            pattern (``str``):
+                The RegEx pattern.
+
+            flags (``int``, optional):
+                RegEx flags.
+        """
+        return build(
+            "Regex", lambda _, m: bool(_.p.search(m.text or "")),
+            p=re.compile(pattern, flags)
+        )
+
+    @staticmethod
+    def user(user: int or str or list):
+        """Filter messages coming from specific users.
+
+        Args:
+            user (``int`` | ``str`` | ``list``):
+                The user or list of user IDs (int) or usernames (str) the filter should look for.
+        """
+        return build(
+            "User",
+            lambda _, m: bool(m.from_user
+                              and (m.from_user.id in _.u
+                                   or (m.from_user.username
+                                       and m.from_user.username.lower() in _.u))),
+            u=(
+                {user.lower().strip("@") if type(user) is str else user}
+                if not isinstance(user, list)
+                else {i.lower().strip("@") if type(i) is str else i for i in user}
+            )
+        )
+
+    @staticmethod
+    def chat(chat: int or str or list):
+        """Filter messages coming from specific chats.
+
+        Args:
+            chat (``int`` | ``str`` | ``list``):
+                The chat or list of chat IDs (int) or usernames (str) the filter should look for.
+        """
+        return build(
+            "Chat",
+            lambda _, m: bool(m.chat
+                              and (m.chat.id in _.c
+                                   or (m.chat.username
+                                       and m.chat.username.lower() in _.c))),
+            c=(
+                {chat.lower().strip("@") if type(chat) is str else chat}
+                if not isinstance(chat, list)
+                else {i.lower().strip("@") if type(i) is str else i for i in chat}
+            )
+        )
+
+    new_chat_members = build("NewChatMembers", lambda _, m: bool(m.new_chat_members))
+    """Filter service messages for new chat members."""
+
+    left_chat_member = build("LeftChatMember", lambda _, m: bool(m.left_chat_member))
+    """Filter service messages for members that left the chat."""
+
+    new_chat_title = build("NewChatTitle", lambda _, m: bool(m.new_chat_title))
+    """Filter service messages for new chat titles."""
+
+    new_chat_photo = build("NewChatPhoto", lambda _, m: bool(m.new_chat_photo))
+    """Filter service messages for new chat photos."""
+
+    delete_chat_photo = build("DeleteChatPhoto", lambda _, m: bool(m.delete_chat_photo))
+    """Filter service messages for deleted photos."""
+
+    group_chat_created = build("GroupChatCreated", lambda _, m: bool(m.group_chat_created))
+    """Filter service messages for group chat creations."""
+
+    supergroup_chat_created = build("SupergroupChatCreated", lambda _, m: bool(m.supergroup_chat_created))
+    """Filter service messages for supergroup chat creations."""
+
+    channel_chat_created = build("ChannelChatCreated", lambda _, m: bool(m.channel_chat_created))
+    """Filter service messages for channel chat creations."""
+
+    migrate_to_chat_id = build("MigrateToChatId", lambda _, m: bool(m.migrate_to_chat_id))
+    """Filter service messages that contain migrate_to_chat_id."""
+
+    migrate_from_chat_id = build("MigrateFromChatId", lambda _, m: bool(m.migrate_from_chat_id))
+    """Filter service messages that contain migrate_from_chat_id."""
+
+    pinned_message = build("PinnedMessage", lambda _, m: bool(m.pinned_message))
+    """Filter service messages for pinned messages."""
+
+    service = build(
+        "Service",
+        lambda _, m: bool(
+            _.new_chat_members(m)
+            or _.left_chat_member(m)
+            or _.new_chat_title(m)
+            or _.new_chat_photo(m)
+            or _.delete_chat_photo(m)
+            or _.group_chat_created(m)
+            or _.supergroup_chat_created(m)
+            or _.channel_chat_created(m)
+            or _.migrate_to_chat_id(m)
+            or _.migrate_from_chat_id(m)
+            or _.pinned_m(m)
+        )
+    )
+    """Filter all service messages"""

pyrogram/client/handlers/__init__.py

@@ -0,0 +1,19 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from .handlers import MessageHandler, RawUpdateHandler

pyrogram/client/handlers/handler.py

@@ -0,0 +1,23 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class Handler:
+    def __init__(self, callback: callable, filters=None):
+        self.callback = callback
+        self.filters = filters

pyrogram/client/handlers/handlers.py

@@ -0,0 +1,93 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from .handler import Handler
+
+
+class MessageHandler(Handler):
+    """The Message handler class. It is used to handle text, media and service messages coming from
+    any chat (private, group, channel).
+
+    Args:
+        callback (``callable``):
+            Pass a function that will be called when a new Message arrives. It takes *(client, message)*
+            as positional arguments (look at the section below for a detailed description).
+
+        filters (:obj:`Filters <pyrogram.Filters>`):
+            Pass one or more filters to allow only a subset of messages to be passed
+            in your callback function.
+
+    Other parameters:
+        client (:obj:`Client <pyrogram.Client>`):
+            The Client itself, useful when you want to call other API methods inside the message handler.
+
+        message (:obj:`Message <pyrogram.Message>`):
+            The received message.
+    """
+
+    def __init__(self, callback: callable, filters=None):
+        super().__init__(callback, filters)
+
+    def check(self, message):
+        return (
+            self.filters(message)
+            if self.filters
+            else True
+        )
+
+
+class RawUpdateHandler(Handler):
+    """The Raw Update handler class. It is used to handle raw updates.
+
+    Args:
+        callback (``callable``):
+            A function that will be called when a new update is received from the server. It takes
+            *(client, update, users, chats)* as positional arguments (look at the section below for
+            a detailed description).
+
+    Other Parameters:
+        client (:class:`Client <pyrogram.Client>`):
+            The Client itself, useful when you want to call other API methods inside the update handler.
+
+        update (``Update``):
+            The received update, which can be one of the many single Updates listed in the *updates*
+            field you see in the :obj:`Update <pyrogram.api.types.Update>` type.
+
+        users (``dict``):
+            Dictionary of all :obj:`User <pyrogram.api.types.User>` mentioned in the update.
+            You can access extra info about the user (such as *first_name*, *last_name*, etc...) by using
+            the IDs you find in the *update* argument (e.g.: *users[1768841572]*).
+
+        chats (``dict``):
+            Dictionary of all :obj:`Chat <pyrogram.api.types.Chat>` and
+            :obj:`Channel <pyrogram.api.types.Channel>` mentioned in the update.
+            You can access extra info about the chat (such as *title*, *participants_count*, etc...)
+            by using the IDs you find in the *update* argument (e.g.: *chats[1701277281]*).
+
+    Note:
+        The following Empty or Forbidden types may exist inside the *users* and *chats* dictionaries.
+        They mean you have been blocked by the user or banned from the group/channel.
+
+        - :obj:`UserEmpty <pyrogram.api.types.UserEmpty>`
+        - :obj:`ChatEmpty <pyrogram.api.types.ChatEmpty>`
+        - :obj:`ChatForbidden <pyrogram.api.types.ChatForbidden>`
+        - :obj:`ChannelForbidden <pyrogram.api.types.ChannelForbidden>`
+    """
+
+    def __init__(self, callback: callable):
+        super().__init__(callback)

pyrogram/client/input_media_photo.py

@@ -0,0 +1,44 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class InputMediaPhoto:
+    """This object represents a photo to be sent inside an album.
+    It is intended to be used with :obj:`send_media_group <pyrogram.Client.send_media_group>`.
+
+    Args:
+        media (:obj:`str`):
+            Photo file to send.
+            Pass a file path as string to send a photo that exists on your local machine.
+
+        caption (:obj:`str`):
+            Caption of the photo to be sent, 0-200 characters
+
+        parse_mode (:obj:`str`):
+            Use :obj:`MARKDOWN <pyrogram.ParseMode.MARKDOWN>` or :obj:`HTML <pyrogram.ParseMode.HTML>`
+            if you want Telegram apps to show bold, italic, fixed-width text or inline URLs in your caption.
+            Defaults to Markdown.
+    """
+
+    def __init__(self,
+                 media: str,
+                 caption: str = "",
+                 parse_mode: str = ""):
+        self.media = media
+        self.caption = caption
+        self.parse_mode = parse_mode

pyrogram/client/input_media_video.py

@@ -0,0 +1,64 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class InputMediaVideo:
+    """This object represents a video to be sent inside an album.
+    It is intended to be used with :obj:`send_media_group <pyrogram.Client.send_media_group>`.
+
+    Args:
+        media (:obj:`str`):
+            Video file to send.
+            Pass a file path as string to send a video that exists on your local machine.
+
+        caption (:obj:`str`, optional):
+            Caption of the video to be sent, 0-200 characters
+
+        parse_mode (:obj:`str`, optional):
+            Use :obj:`MARKDOWN <pyrogram.ParseMode.MARKDOWN>` or :obj:`HTML <pyrogram.ParseMode.HTML>`
+            if you want Telegram apps to show bold, italic, fixed-width text or inline URLs in your caption.
+            Defaults to Markdown.
+
+        width (:obj:`int`, optional):
+            Video width.
+
+        height (:obj:`int`, optional):
+            Video height.
+
+        duration (:obj:`int`, optional):
+            Video duration.
+
+        supports_streaming (:obj:`bool`, optional):
+            Pass True, if the uploaded video is suitable for streaming.
+    """
+
+    def __init__(self,
+                 media: str,
+                 caption: str = "",
+                 parse_mode: str = "",
+                 width: int = 0,
+                 height: int = 0,
+                 duration: int = 0,
+                 supports_streaming: bool = True):
+        self.media = media
+        self.caption = caption
+        self.parse_mode = parse_mode
+        self.width = width
+        self.height = height
+        self.duration = duration
+        self.supports_streaming = supports_streaming

pyrogram/client/message_parser.py

@@ -0,0 +1,539 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from struct import pack
+
+import pyrogram
+from pyrogram.api import types
+from .utils import encode
+
+# TODO: Organize the code better?
+
+ENTITIES = {
+    types.MessageEntityMention.ID: "mention",
+    types.MessageEntityHashtag.ID: "hashtag",
+    types.MessageEntityBotCommand.ID: "bot_command",
+    types.MessageEntityUrl.ID: "url",
+    types.MessageEntityEmail.ID: "email",
+    types.MessageEntityBold.ID: "bold",
+    types.MessageEntityItalic.ID: "italic",
+    types.MessageEntityCode.ID: "code",
+    types.MessageEntityPre.ID: "pre",
+    types.MessageEntityTextUrl.ID: "text_link",
+    types.MessageEntityMentionName.ID: "text_mention"
+}
+
+
+def parse_entities(entities: list, users: dict) -> list:
+    output_entities = []
+
+    for entity in entities:
+        entity_type = ENTITIES.get(entity.ID, None)
+
+        if entity_type:
+            output_entities.append(pyrogram.MessageEntity(
+                type=entity_type,
+                offset=entity.offset,
+                length=entity.length,
+                url=getattr(entity, "url", None),
+                user=parse_user(
+                    users.get(
+                        getattr(entity, "user_id", None),
+                        None
+                    )
+                )
+            ))
+
+    return output_entities
+
+
+def parse_user(user: types.User) -> pyrogram.User or None:
+    return pyrogram.User(
+        id=user.id,
+        is_bot=user.bot,
+        first_name=user.first_name,
+        last_name=user.last_name,
+        username=user.username,
+        language_code=user.lang_code,
+        phone_number=user.phone
+    ) if user else None
+
+
+def parse_chat(message: types.Message, users: dict, chats: dict) -> pyrogram.Chat:
+    if isinstance(message.to_id, types.PeerUser):
+        return parse_user_chat(users[message.to_id.user_id if message.out else message.from_id])
+    elif isinstance(message.to_id, types.PeerChat):
+        return parse_chat_chat(chats[message.to_id.chat_id])
+    else:
+        return parse_channel_chat(chats[message.to_id.channel_id])
+
+
+def parse_user_chat(user: types.User) -> pyrogram.Chat:
+    return pyrogram.Chat(
+        id=user.id,
+        type="private",
+        username=user.username,
+        first_name=user.first_name,
+        last_name=user.last_name
+    )
+
+
+def parse_chat_chat(chat: types.Chat) -> pyrogram.Chat:
+    return pyrogram.Chat(
+        id=-chat.id,
+        type="group",
+        title=chat.title,
+        all_members_are_administrators=not chat.admins_enabled
+    )
+
+
+def parse_channel_chat(channel: types.Channel) -> pyrogram.Chat:
+    return pyrogram.Chat(
+        id=int("-100" + str(channel.id)),
+        type="supergroup" if channel.megagroup else "channel",
+        title=channel.title,
+        username=channel.username
+    )
+
+
+def parse_thumb(thumb: types.PhotoSize or types.PhotoCachedSize) -> pyrogram.PhotoSize or None:
+    if isinstance(thumb, (types.PhotoSize, types.PhotoCachedSize)):
+        loc = thumb.location
+
+        if isinstance(thumb, types.PhotoSize):
+            file_size = thumb.size
+        else:
+            file_size = len(thumb.bytes)
+
+        if isinstance(loc, types.FileLocation):
+            return pyrogram.PhotoSize(
+                file_id=encode(
+                    pack(
+                        "<iiqqqqi",
+                        0,
+                        loc.dc_id,
+                        0,
+                        0,
+                        loc.volume_id,
+                        loc.secret,
+                        loc.local_id
+                    )
+                ),
+                width=thumb.w,
+                height=thumb.h,
+                file_size=file_size
+            )
+
+
+# TODO: Reorganize code, maybe split parts as well
+def parse_message(
+        client,
+        message: types.Message,
+        users: dict,
+        chats: dict,
+        replies: int = 1
+) -> pyrogram.Message:
+    entities = parse_entities(message.entities, users)
+
+    forward_from = None
+    forward_from_chat = None
+    forward_from_message_id = None
+    forward_signature = None
+    forward_date = None
+
+    forward_header = message.fwd_from  # type: types.MessageFwdHeader
+
+    if forward_header:
+        forward_date = forward_header.date
+
+        if forward_header.from_id:
+            forward_from = parse_user(users[forward_header.from_id])
+        else:
+            forward_from_chat = parse_channel_chat(chats[forward_header.channel_id])
+            forward_from_message_id = forward_header.channel_post
+            forward_signature = forward_header.post_author
+
+    photo = None
+    location = None
+    contact = None
+    venue = None
+    audio = None
+    voice = None
+    video = None
+    video_note = None
+    sticker = None
+    document = None
+
+    media = message.media
+
+    if media:
+        if isinstance(media, types.MessageMediaPhoto):
+            photo = media.photo
+
+            if isinstance(photo, types.Photo):
+                sizes = photo.sizes
+                photo_sizes = []
+
+                for size in sizes:
+                    if isinstance(size, (types.PhotoSize, types.PhotoCachedSize)):
+                        loc = size.location
+
+                        if isinstance(size, types.PhotoSize):
+                            file_size = size.size
+                        else:
+                            file_size = len(size.bytes)
+
+                        if isinstance(loc, types.FileLocation):
+                            photo_size = pyrogram.PhotoSize(
+                                file_id=encode(
+                                    pack(
+                                        "<iiqqqqi",
+                                        2,
+                                        loc.dc_id,
+                                        photo.id,
+                                        photo.access_hash,
+                                        loc.volume_id,
+                                        loc.secret,
+                                        loc.local_id
+                                    )
+                                ),
+                                width=size.w,
+                                height=size.h,
+                                file_size=file_size
+                            )
+
+                            photo_sizes.append(photo_size)
+
+                photo = photo_sizes
+        elif isinstance(media, types.MessageMediaGeo):
+            geo_point = media.geo
+
+            if isinstance(geo_point, types.GeoPoint):
+                location = pyrogram.Location(
+                    longitude=geo_point.long,
+                    latitude=geo_point.lat
+                )
+        elif isinstance(media, types.MessageMediaContact):
+            contact = pyrogram.Contact(
+                phone_number=media.phone_number,
+                first_name=media.first_name,
+                last_name=media.last_name,
+                user_id=media.user_id
+            )
+        elif isinstance(media, types.MessageMediaVenue):
+            venue = pyrogram.Venue(
+                location=pyrogram.Location(
+                    longitude=media.geo.long,
+                    latitude=media.geo.lat
+                ),
+                title=media.title,
+                address=media.address,
+                foursquare_id=media.venue_id
+            )
+        elif isinstance(media, types.MessageMediaDocument):
+            doc = media.document
+
+            if isinstance(doc, types.Document):
+                attributes = {type(i): i for i in doc.attributes}
+
+                if types.DocumentAttributeAudio in attributes:
+                    audio_attributes = attributes[types.DocumentAttributeAudio]
+
+                    if audio_attributes.voice:
+                        voice = pyrogram.Voice(
+                            file_id=encode(
+                                pack(
+                                    "<iiqq",
+                                    3,
+                                    doc.dc_id,
+                                    doc.id,
+                                    doc.access_hash
+                                )
+                            ),
+                            duration=audio_attributes.duration,
+                            mime_type=doc.mime_type,
+                            file_size=doc.size
+                        )
+                    else:
+                        audio = pyrogram.Audio(
+                            file_id=encode(
+                                pack(
+                                    "<iiqq",
+                                    9,
+                                    doc.dc_id,
+                                    doc.id,
+                                    doc.access_hash
+                                )
+                            ),
+                            duration=audio_attributes.duration,
+                            performer=audio_attributes.performer,
+                            title=audio_attributes.title,
+                            mime_type=doc.mime_type,
+                            file_size=doc.size
+                        )
+                elif types.DocumentAttributeAnimated in attributes:
+                    document = pyrogram.Document(
+                        file_id=encode(
+                            pack(
+                                "<iiqq",
+                                10,
+                                doc.dc_id,
+                                doc.id,
+                                doc.access_hash
+                            )
+                        ),
+                        thumb=parse_thumb(doc.thumb),
+                        file_name=getattr(
+                            attributes.get(
+                                types.DocumentAttributeFilename, None
+                            ), "file_name", None
+                        ),
+                        mime_type=doc.mime_type,
+                        file_size=doc.size
+                    )
+                elif types.DocumentAttributeVideo in attributes:
+                    video_attributes = attributes[types.DocumentAttributeVideo]
+
+                    if video_attributes.round_message:
+                        video_note = pyrogram.VideoNote(
+                            file_id=encode(
+                                pack(
+                                    "<iiqq",
+                                    13,
+                                    doc.dc_id,
+                                    doc.id,
+                                    doc.access_hash
+                                )
+                            ),
+                            length=video_attributes.w,
+                            duration=video_attributes.duration,
+                            thumb=parse_thumb(doc.thumb),
+                            file_size=doc.size
+                        )
+                    else:
+                        video = pyrogram.Video(
+                            file_id=encode(
+                                pack(
+                                    "<iiqq",
+                                    4,
+                                    doc.dc_id,
+                                    doc.id,
+                                    doc.access_hash
+                                )
+                            ),
+                            width=video_attributes.w,
+                            height=video_attributes.h,
+                            duration=video_attributes.duration,
+                            thumb=parse_thumb(doc.thumb),
+                            mime_type=doc.mime_type,
+                            file_size=doc.size
+                        )
+                elif types.DocumentAttributeSticker in attributes:
+                    image_size_attributes = attributes[types.DocumentAttributeImageSize]
+
+                    sticker = pyrogram.Sticker(
+                        file_id=encode(
+                            pack(
+                                "<iiqq",
+                                8,
+                                doc.dc_id,
+                                doc.id,
+                                doc.access_hash
+                            )
+                        ),
+                        width=image_size_attributes.w,
+                        height=image_size_attributes.h,
+                        thumb=parse_thumb(doc.thumb),
+                        # TODO: Emoji, set_name and mask_position
+                        file_size=doc.size,
+                    )
+                else:
+                    document = pyrogram.Document(
+                        file_id=encode(
+                            pack(
+                                "<iiqq",
+                                5,
+                                doc.dc_id,
+                                doc.id,
+                                doc.access_hash
+                            )
+                        ),
+                        thumb=parse_thumb(doc.thumb),
+                        file_name=getattr(
+                            attributes.get(
+                                types.DocumentAttributeFilename, None
+                            ), "file_name", None
+                        ),
+                        mime_type=doc.mime_type,
+                        file_size=doc.size
+                    )
+        else:
+            media = None
+
+    m = pyrogram.Message(
+        message_id=message.id,
+        date=message.date,
+        chat=parse_chat(message, users, chats),
+        from_user=parse_user(users.get(message.from_id, None)),
+        text=message.message or None if media is None else None,
+        caption=message.message or None if media is not None else None,
+        entities=entities or None if media is None else None,
+        caption_entities=entities or None if media is not None else None,
+        author_signature=message.post_author,
+        forward_from=forward_from,
+        forward_from_chat=forward_from_chat,
+        forward_from_message_id=forward_from_message_id,
+        forward_signature=forward_signature,
+        forward_date=forward_date,
+        edit_date=message.edit_date,
+        media_group_id=message.grouped_id,
+        photo=photo,
+        location=location,
+        contact=contact,
+        venue=venue,
+        audio=audio,
+        voice=voice,
+        video=video,
+        video_note=video_note,
+        sticker=sticker,
+        document=document,
+        views=message.views,
+        via_bot=parse_user(users.get(message.via_bot_id, None))
+    )
+
+    if message.reply_to_msg_id and replies:
+        reply_to_message = client.get_messages(m.chat.id, [message.reply_to_msg_id])
+
+        message = reply_to_message.messages[0]
+        users = {i.id: i for i in reply_to_message.users}
+        chats = {i.id: i for i in reply_to_message.chats}
+
+        if isinstance(message, types.Message):
+            m.reply_to_message = parse_message(client, message, users, chats, replies - 1)
+        elif isinstance(message, types.MessageService):
+            m.reply_to_message = parse_message_service(client, message, users, chats)
+
+    return m
+
+
+def parse_message_service(
+        client,
+        message: types.MessageService,
+        users: dict,
+        chats: dict
+) -> pyrogram.Message:
+    action = message.action
+
+    new_chat_members = None
+    left_chat_member = None
+    new_chat_title = None
+    delete_chat_photo = None
+    migrate_to_chat_id = None
+    migrate_from_chat_id = None
+    group_chat_created = None
+    channel_chat_created = None
+    new_chat_photo = None
+
+    if isinstance(action, types.MessageActionChatAddUser):
+        new_chat_members = [parse_user(users[i]) for i in action.users]
+    elif isinstance(action, types.MessageActionChatJoinedByLink):
+        new_chat_members = [parse_user(users[action.inviter_id])]
+    elif isinstance(action, types.MessageActionChatDeleteUser):
+        left_chat_member = parse_user(users[action.user_id])
+    elif isinstance(action, types.MessageActionChatEditTitle):
+        new_chat_title = action.title
+    elif isinstance(action, types.MessageActionChatDeletePhoto):
+        delete_chat_photo = True
+    elif isinstance(action, types.MessageActionChatMigrateTo):
+        migrate_to_chat_id = action.channel_id
+    elif isinstance(action, types.MessageActionChannelMigrateFrom):
+        migrate_from_chat_id = action.chat_id
+    elif isinstance(action, types.MessageActionChatCreate):
+        group_chat_created = True
+    elif isinstance(action, types.MessageActionChannelCreate):
+        channel_chat_created = True
+    elif isinstance(action, types.MessageActionChatEditPhoto):
+        photo = action.photo
+
+        if isinstance(photo, types.Photo):
+            sizes = photo.sizes
+            photo_sizes = []
+
+            for size in sizes:
+                if isinstance(size, (types.PhotoSize, types.PhotoCachedSize)):
+                    loc = size.location
+
+                    if isinstance(size, types.PhotoSize):
+                        file_size = size.size
+                    else:
+                        file_size = len(size.bytes)
+
+                    if isinstance(loc, types.FileLocation):
+                        photo_size = pyrogram.PhotoSize(
+                            file_id=encode(
+                                pack(
+                                    "<iiqqqqi",
+                                    2,
+                                    loc.dc_id,
+                                    photo.id,
+                                    photo.access_hash,
+                                    loc.volume_id,
+                                    loc.secret,
+                                    loc.local_id
+                                )
+                            ),
+                            width=size.w,
+                            height=size.h,
+                            file_size=file_size
+                        )
+
+                        photo_sizes.append(photo_size)
+
+            new_chat_photo = photo_sizes
+
+    m = pyrogram.Message(
+        message_id=message.id,
+        date=message.date,
+        chat=parse_chat(message, users, chats),
+        from_user=parse_user(users.get(message.from_id, None)),
+        new_chat_members=new_chat_members,
+        left_chat_member=left_chat_member,
+        new_chat_title=new_chat_title,
+        new_chat_photo=new_chat_photo,
+        delete_chat_photo=delete_chat_photo,
+        migrate_to_chat_id=int("-100" + str(migrate_to_chat_id)) if migrate_to_chat_id else None,
+        migrate_from_chat_id=-migrate_from_chat_id if migrate_from_chat_id else None,
+        group_chat_created=group_chat_created,
+        channel_chat_created=channel_chat_created
+        # TODO: supergroup_chat_created
+    )
+
+    if isinstance(action, types.MessageActionPinMessage):
+        pin_message = client.get_messages(m.chat.id, [message.reply_to_msg_id])
+
+        message = pin_message.messages[0]
+        users = {i.id: i for i in pin_message.users}
+        chats = {i.id: i for i in pin_message.chats}
+
+        if isinstance(message, types.Message):
+            m.pinned_message = parse_message(client, message, users, chats)
+        elif isinstance(message, types.MessageService):
+            # TODO: We can't pin a service message, can we?
+            m.pinned_message = parse_message_service(client, message, users, chats)
+
+    return m

pyrogram/client/utils.py

@@ -0,0 +1,55 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from base64 import b64decode, b64encode
+
+
+def decode(s: str) -> bytes:
+    s = b64decode(s + "=" * (-len(s) % 4), "-_")
+    r = b""
+
+    assert s[-1] == 2
+
+    i = 0
+    while i < len(s) - 1:
+        if s[i] != 0:
+            r += bytes([s[i]])
+        else:
+            r += b"\x00" * s[i + 1]
+            i += 1
+
+        i += 1
+
+    return r
+
+
+def encode(s: bytes) -> str:
+    r = b""
+    n = 0
+
+    for i in s + bytes([2]):
+        if i == 0:
+            n += 1
+        else:
+            if n:
+                r += b"\x00" + bytes([n])
+                n = 0
+
+            r += bytes([i])
+
+    return b64encode(r, b"-_").decode().rstrip("=")