Stateful Message and remove Invite.xkcd since it is removed.

discord/abc.py

@@ -32,6 +32,7 @@ import asyncio
 from .message import Message
 from .iterators import LogsFromIterator
 from .context_managers import Typing
+from .errors import ClientException, NoMoreMessages
 
 class Snowflake(metaclass=abc.ABCMeta):
     __slots__ = ()
@@ -287,6 +288,40 @@ class MessageChannel(metaclass=abc.ABCMeta):
         data = yield from self._state.http.get_message(self.id, id)
         return Message(channel=self, state=self._state, data=data)
 
+    @asyncio.coroutine
+    def delete_messages(self, messages):
+        """|coro|
+
+        Deletes a list of messages. This is similar to :meth:`Message.delete`
+        except it bulk deletes multiple messages.
+
+        Usable only by bot accounts.
+
+        Parameters
+        -----------
+        messages : iterable of :class:`Message`
+            An iterable of messages denoting which ones to bulk delete.
+
+        Raises
+        ------
+        ClientException
+            The number of messages to delete is less than 2 or more than 100.
+        Forbidden
+            You do not have proper permissions to delete the messages or
+            you're not using a bot account.
+        HTTPException
+            Deleting the messages failed.
+        """
+
+        messages = list(messages)
+        if len(messages) > 100 or len(messages) < 2:
+            raise ClientException('Can only delete messages in the range of [2, 100]')
+
+        message_ids = [m.id for m in messages]
+        channel_id, guild_id = self._get_destination()
+
+        yield from self._state.http.delete_messages(channel_id, message_ids, guild_id)
+
     @asyncio.coroutine
     def pins(self):
         """|coro|
@@ -367,3 +402,91 @@ class MessageChannel(metaclass=abc.ABCMeta):
                         counter += 1
         """
         return LogsFromIterator(self, limit=limit, before=before, after=after, around=around, reverse=reverse)
+
+    @asyncio.coroutine
+    def purge(self, *, limit=100, check=None, before=None, after=None, around=None):
+        """|coro|
+
+        Purges a list of messages that meet the criteria given by the predicate
+        ``check``. If a ``check`` is not provided then all messages are deleted
+        without discrimination.
+
+        You must have :attr:`Permissions.manage_messages` permission to
+        delete messages even if they are your own. The
+        :attr:`Permissions.read_message_history` permission is also needed to
+        retrieve message history.
+
+        Usable only by bot accounts.
+
+        Parameters
+        -----------
+        limit: int
+            The number of messages to search through. This is not the number
+            of messages that will be deleted, though it can be.
+        check: predicate
+            The function used to check if a message should be deleted.
+            It must take a :class:`Message` as its sole parameter.
+        before
+            Same as ``before`` in :meth:`history`.
+        after
+            Same as ``after`` in :meth:`history`.
+        around
+            Same as ``around`` in :meth:`history`.
+
+        Raises
+        -------
+        Forbidden
+            You do not have proper permissions to do the actions required or
+            you're not using a bot account.
+        HTTPException
+            Purging the messages failed.
+
+        Examples
+        ---------
+
+        Deleting bot's messages ::
+
+            def is_me(m):
+                return m.author == client.user
+
+            deleted = await channel.purge(limit=100, check=is_me)
+            await channel.send_message('Deleted {} message(s)'.format(len(deleted)))
+
+        Returns
+        --------
+        list
+            The list of messages that were deleted.
+        """
+
+        if check is None:
+            check = lambda m: True
+
+        iterator = self.history(limit=limit, before=before, after=after, around=around)
+        ret = []
+        count = 0
+
+        while True:
+            try:
+                msg = yield from iterator.get()
+            except NoMoreMessages:
+                # no more messages to poll
+                if count >= 2:
+                    # more than 2 messages -> bulk delete
+                    to_delete = ret[-count:]
+                    yield from self.delete_messages(to_delete)
+                elif count == 1:
+                    # delete a single message
+                    yield from ret[-1].delete()
+
+                return ret
+            else:
+                if count == 100:
+                    # we've reached a full 'queue'
+                    to_delete = ret[-100:]
+                    yield from self.delete_messages(to_delete)
+                    count = 0
+                    yield from asyncio.sleep(1)
+
+                if check(msg):
+                    count += 1
+                    ret.append(msg)

discord/invite.py

@@ -50,34 +50,32 @@ class Invite(Hashable):
 
     Attributes
     -----------
-    max_age : int
+    max_age: int
         How long the before the invite expires in seconds. A value of 0 indicates that it doesn't expire.
-    code : str
+    code: str
         The URL fragment used for the invite. :attr:`xkcd` is also a possible fragment.
-    server : :class:`Server`
+    server: :class:`Server`
         The server the invite is for.
-    revoked : bool
+    revoked: bool
         Indicates if the invite has been revoked.
-    created_at : `datetime.datetime`
+    created_at: `datetime.datetime`
         A datetime object denoting the time the invite was created.
-    temporary : bool
+    temporary: bool
         Indicates that the invite grants temporary membership.
         If True, members who joined via this invite will be kicked upon disconnect.
-    uses : int
+    uses: int
         How many times the invite has been used.
-    max_uses : int
+    max_uses: int
         How many times the invite can be used.
-    xkcd : str
-        The URL fragment used for the invite if it is human readable.
-    inviter : :class:`User`
+    inviter: :class:`User`
         The user who created the invite.
-    channel : :class:`Channel`
+    channel: :class:`Channel`
         The channel the invite is for.
     """
 
 
     __slots__ = ( 'max_age', 'code', 'server', 'revoked', 'created_at', 'uses',
-                  'temporary', 'max_uses', 'xkcd', 'inviter', 'channel', '_state' )
+                  'temporary', 'max_uses', 'inviter', 'channel', '_state' )
 
     def __init__(self, *, state, data):
         self._state = state
@@ -89,7 +87,6 @@ class Invite(Hashable):
         self.temporary = data.get('temporary')
         self.uses = data.get('uses')
         self.max_uses = data.get('max_uses')
-        self.xkcd = data.get('xkcdpass')
 
         inviter_data = data.get('inviter')
         self.inviter = None if inviter_data is None else User(state=state, data=data)
@@ -101,7 +98,7 @@ class Invite(Hashable):
     @property
     def id(self):
         """Returns the proper code portion of the invite."""
-        return self.xkcd if self.xkcd else self.code
+        return self.code
 
     @property
     def url(self):

discord/message.py

@@ -24,12 +24,14 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.
 """
 
+import asyncio
+import re
+
 from .user import User
 from .reaction import Reaction
 from . import utils, abc
 from .object import Object
 from .calls import CallMessage
-import re
 from .enums import MessageType, try_enum
 
 class Message:
@@ -343,3 +345,86 @@ class Message:
                 return 'You missed a call from {0.author.name}'.format(self)
             else:
                 return '{0.author.name} started a call \N{EM DASH} Join the call.'.format(self)
+
+    @asyncio.coroutine
+    def delete(self):
+        """|coro|
+
+        Deletes the message.
+
+        Your own messages could be deleted without any proper permissions. However to
+        delete other people's messages, you need the :attr:`Permissions.manage_messages`
+        permission.
+
+        Raises
+        ------
+        Forbidden
+            You do not have proper permissions to delete the message.
+        HTTPException
+            Deleting the message failed.
+        """
+        yield from self._state.http.delete_message(self.channel.id, self.id, getattr(self.server, 'id', None))
+
+    @asyncio.coroutine
+    def edit(self, *, content: str):
+        """|coro|
+
+        Edits the message.
+
+        The content must be able to be transformed into a string via ``str(content)``.
+
+        Parameters
+        -----------
+        content: str
+            The new content to replace the message with.
+
+        Raises
+        -------
+        HTTPException
+            Editing the message failed.
+        """
+
+        guild_id = getattr(self.server, 'id', None)
+        data = yield from self._state.http.edit_message(self.id, self.channel.id, str(content), guild_id=guild_id)
+        self._update(channel=self.channel, data=data)
+
+    @asyncio.coroutine
+    def pin(self):
+        """|coro|
+
+        Pins the message. You must have :attr:`Permissions.manage_messages`
+        permissions to do this in a non-private channel context.
+
+        Raises
+        -------
+        Forbidden
+            You do not have permissions to pin the message.
+        NotFound
+            The message or channel was not found or deleted.
+        HTTPException
+            Pinning the message failed, probably due to the channel
+            having more than 50 pinned messages.
+        """
+
+        yield from self._state.http.pin_message(self.channel.id, self.id)
+        self.pinned = True
+
+    @asyncio.coroutine
+    def unpin(self):
+        """|coro|
+
+        Unpins the message. You must have :attr:`Permissions.manage_messages`
+        permissions to do this in a non-private channel context.
+
+        Raises
+        -------
+        Forbidden
+            You do not have permissions to unpin the message.
+        NotFound
+            The message or channel was not found or deleted.
+        HTTPException
+            Unpinning the message failed.
+        """
+
+        yield from self._state.http.unpin_message(self.channel.id, self.id)
+        self.pinned = False