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Fall back to single message delete in Messageable.purge

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Also make it work on user accounts.

Fixes #456.
This commit is contained in:
Rapptz 2017-02-23 00:23:40 -05:00
parent 2fe5da836c
commit 0e8b260d45
1 changed files with 30 additions and 9 deletions
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39
discord/abc.py
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@ -27,6 +27,7 @@ DEALINGS IN THE SOFTWARE.
import abc
import io
import os
import time
import asyncio
from collections import namedtuple
@ -45,6 +46,11 @@ class _Undefined:
_undefined = _Undefined()
@asyncio.coroutine
def _single_delete_strategy(messages):
for m in messages:
yield from m.delete()
class Snowflake(metaclass=abc.ABCMeta):
__slots__ = ()
@ -819,12 +825,14 @@ class Messageable(metaclass=abc.ABCMeta):
``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.
You must have :attr:`Permissions.manage_messages` permission to delete
messages even if they are your own (unless you are a user account).
The :attr:`Permissions.read_message_history` permission is also needed
to retrieve message history.
Usable only by bot accounts.
Internally, this employs a different number of strategies depending
on the conditions met such as if a bulk delete is possible or if
the account is a user bot or not.
Parameters
-----------
@ -844,8 +852,7 @@ class Messageable(metaclass=abc.ABCMeta):
Raises
-------
Forbidden
You do not have proper permissions to do the actions required or
you're not using a bot account.
You do not have proper permissions to do the actions required.
HTTPException
Purging the messages failed.
@ -873,6 +880,9 @@ class Messageable(metaclass=abc.ABCMeta):
ret = []
count = 0
minimum_time = int((time.time() - 14 * 24 * 60 * 60) * 1000.0 - 1420070400000) << 22
strategy = self.delete_messages if self._state.is_bot else _single_delete_strategy
while True:
try:
msg = yield from iterator.get()
@ -881,7 +891,7 @@ class Messageable(metaclass=abc.ABCMeta):
if count >= 2:
# more than 2 messages -> bulk delete
to_delete = ret[-count:]
yield from self.delete_messages(to_delete)
yield from strategy(to_delete)
elif count == 1:
# delete a single message
yield from ret[-1].delete()
@ -891,10 +901,21 @@ class Messageable(metaclass=abc.ABCMeta):
if count == 100:
# we've reached a full 'queue'
to_delete = ret[-100:]
yield from self.delete_messages(to_delete)
yield from strategy(to_delete)
count = 0
yield from asyncio.sleep(1)
if check(msg):
if msg.id < minimum_time:
# older than 14 days old
if count == 1:
yield from ret[-1].delete()
elif count >= 2:
to_delete = ret[-count:]
yield from strategy(to_delete)
count = 0
strategy = _single_delete_strategy
count += 1
ret.append(msg)