Provide proxy connection. Add example for proxy and emoji util

aiogram/__init__.py

@@ -2,6 +2,6 @@ from .utils.versions import Version, Stage
 from .bot import Bot
 
 
-VERSION = Version(0, 3, 3, stage=Stage.FINAL, build=0)
+VERSION = Version(0, 3, 4, stage=Stage.DEV, build=0)
 
 __version__ = VERSION.version

aiogram/bot/api.py

@@ -104,7 +104,7 @@ def _compose_data(params=None, files=None):
     return data
 
 
-async def request(session, token, method, data=None, files=None) -> bool or dict:
+async def request(session, token, method, data=None, files=None, **kwargs) -> bool or dict:
     """
     Make request to API
 
@@ -125,7 +125,7 @@ async def request(session, token, method, data=None, files=None) -> bool or dict
         method, data or {}, files or {}))
     data = _compose_data(data, files)
     url = Methods.api_url(token=token, method=method)
-    async with session.post(url, data=data) as response:
+    async with session.post(url, data=data, **kwargs) as response:
         return await _check_result(method, response)
 
 

aiogram/bot/base.py

@@ -6,6 +6,7 @@ import aiohttp
 
 from . import api
 from .. import types
+from ..utils import json
 from ..utils.payload import generate_payload, prepare_arg
 
 InputFile = TypeVar('InputFile', io.BytesIO, io.FileIO, str)
@@ -22,7 +23,7 @@ class BaseBot:
 
     def __init__(self, token: String,
                  loop: Optional[Union[asyncio.BaseEventLoop, asyncio.AbstractEventLoop]] = None,
-                 connections_limit: Optional[Integer] = 10):
+                 connections_limit: Optional[Integer] = 10, proxy=None, proxy_auth=None):
         """
         Instructions how to get Bot token is found here: https://core.telegram.org/bots#3-how-do-i-create-a-bot
 
@@ -32,6 +33,8 @@ class BaseBot:
         """
 
         self.__token = token
+        self.proxy = proxy
+        self.proxy_auth = proxy_auth
 
         if loop is None:
             loop = asyncio.get_event_loop()
@@ -39,7 +42,7 @@ class BaseBot:
         self.loop = loop
         self.session = aiohttp.ClientSession(
             connector=aiohttp.TCPConnector(limit=connections_limit),
-            loop=self.loop)
+            loop=self.loop, json_serialize=json.dumps)
         self._temp_sessions = []
         api.check_token(token)
 
@@ -93,7 +96,8 @@ class BaseBot:
         :return: Union[List, Dict]
         :raise: :class:`aiogram.exceptions.TelegramApiError`
         """
-        return await api.request(self.session, self.__token, method, data, files)
+        return await api.request(self.session, self.__token, method, data, files,
+                                 proxy=self.proxy, proxy_auth=self.proxy_auth)
 
     async def download_file(self, file_path: String,
                             destination: Optional[InputFile] = None,
@@ -121,7 +125,7 @@ class BaseBot:
 
         dest = destination if isinstance(destination, io.IOBase) else open(destination, 'wb')
         try:
-            async with session.get(url, timeout=timeout) as response:
+            async with session.get(url, timeout=timeout, proxy=self.proxy, proxy_auth=self.proxy_auth) as response:
                 while True:
                     chunk = await response.content.read(chunk_size)
                     if not chunk:

aiogram/types/message.py

@@ -1,5 +1,6 @@
 import datetime
 
+from aiogram.utils.helper import Item, HelperMode, Helper
 from .audio import Audio
 from .base import Deserializable
 from .chat import Chat
@@ -240,7 +241,7 @@ class Message(Deserializable):
         return await self.chat.pin_message(self.message_id, disable_notification)
 
 
-class ContentType:
+class ContentType(Helper):
     """
     List of message content types
     
@@ -258,24 +259,25 @@ class ContentType:
     :key: SUCCESSFUL_PAYMENT 
     :key: UNKNOWN
     """
+    mode = HelperMode.lower_case
 
-    TEXT = 'text'
-    AUDIO = 'audio'
-    DOCUMENT = 'document'
-    GAME = 'game'
-    PHOTO = 'photo'
-    STICKER = 'sticker'
-    VIDEO = 'video'
-    VOICE = 'voice'
-    NEW_CHAT_MEMBERS = 'new_chat_members'
-    LEFT_CHAT_MEMBER = 'left_chat_member'
-    INVOICE = 'invoice'
-    SUCCESSFUL_PAYMENT = 'successful_payment'
+    TEXT = Item()  # text
+    AUDIO = Item()  # audio
+    DOCUMENT = Item()  # document
+    GAME = Item()  # game
+    PHOTO = Item()  # photo
+    STICKER = Item()  # sticker
+    VIDEO = Item()  # video
+    VOICE = Item()  # voice
+    NEW_CHAT_MEMBERS = Item()  # new_chat_members
+    LEFT_CHAT_MEMBER = Item()  # left_chat_member
+    INVOICE = Item()  # invoice
+    SUCCESSFUL_PAYMENT = Item()  # successful_payment
 
     UNKNOWN = 'unknown'
 
 
-class ParseMode:
+class ParseMode(Helper):
     """
     Parse modes
     
@@ -283,5 +285,7 @@ class ParseMode:
     :key: HTML
     """
 
-    MARKDOWN = 'markdown'
-    HTML = 'html'
+    mode = HelperMode.lowercase
+
+    MARKDOWN = Item()
+    HTML = Item()