106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
|
||
|
|
"""
|
||
|
|
The MIT License (MIT)
|
||
|
|
|
||
|
|
Copyright (c) 2015-2019 Rapptz
|
||
|
|
|
||
|
|
Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
|
copy of this software and associated documentation files (the "Software"),
|
||
|
|
to deal in the Software without restriction, including without limitation
|
||
|
|
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||
|
|
and/or sell copies of the Software, and to permit persons to whom the
|
||
|
|
Software is furnished to do so, subject to the following conditions:
|
||
|
|
|
||
|
|
The above copyright notice and this permission notice shall be included in
|
||
|
|
all copies or substantial portions of the Software.
|
||
|
|
|
||
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||
|
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
|
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||
|
|
DEALINGS IN THE SOFTWARE.
|
||
|
|
"""
|
||
|
|
|
||
|
|
import os.path
|
||
|
|
import io
|
||
|
|
|
||
|
|
class File:
|
||
|
|
"""A parameter object used for :meth:`abc.Messageable.send`
|
||
|
|
for sending file objects.
|
||
|
|
|
||
|
|
Attributes
|
||
|
|
-----------
|
||
|
|
fp: Union[:class:`str`, :class:`io.BufferedIOBase`]
|
||
|
|
A file-like object opened in binary mode and read mode
|
||
|
|
or a filename representing a file in the hard drive to
|
||
|
|
open.
|
||
|
|
|
||
|
|
.. note::
|
||
|
|
|
||
|
|
If the file-like object passed is opened via ``open`` then the
|
||
|
|
modes 'rb' should be used.
|
||
|
|
|
||
|
|
To pass binary data, consider usage of ``io.BytesIO``.
|
||
|
|
|
||
|
|
filename: Optional[:class:`str`]
|
||
|
|
The filename to display when uploading to Discord.
|
||
|
|
If this is not given then it defaults to ``fp.name`` or if ``fp`` is
|
||
|
|
a string then the ``filename`` will default to the string given.
|
||
|
|
spoiler: :class:`bool`
|
||
|
|
Whether the attachment is a spoiler.
|
||
|
|
"""
|
||
|
|
|
||
|
|
__slots__ = ('fp', 'filename', '_original_pos', '_owner', '_closer')
|
||
|
|
|
||
|
|
def __init__(self, fp, filename=None, *, spoiler=False):
|
||
|
|
self.fp = fp
|
||
|
|
|
||
|
|
if isinstance(fp, io.IOBase):
|
||
|
|
if not (fp.seekable() and fp.readable()):
|
||
|
|
raise ValueError('File buffer {!r} must be seekable and readable'.format(fp))
|
||
|
|
self.fp = fp
|
||
|
|
self._original_pos = fp.tell()
|
||
|
|
self._owner = False
|
||
|
|
else:
|
||
|
|
self.fp = open(fp, 'rb')
|
||
|
|
self._original_pos = 0
|
||
|
|
self._owner = True
|
||
|
|
|
||
|
|
# aiohttp only uses two methods from IOBase
|
||
|
|
# read and close, since I want to control when the files
|
||
|
|
# close, I need to stub it so it doesn't close unless
|
||
|
|
# I tell it to
|
||
|
|
self._closer = self.fp.close
|
||
|
|
self.fp.close = lambda: None
|
||
|
|
|
||
|
|
if filename is None:
|
||
|
|
if isinstance(fp, str):
|
||
|
|
_, self.filename = os.path.split(fp)
|
||
|
|
else:
|
||
|
|
self.filename = getattr(fp, 'name', None)
|
||
|
|
else:
|
||
|
|
self.filename = filename
|
||
|
|
|
||
|
|
if spoiler and self.filename is not None and not self.filename.startswith('SPOILER_'):
|
||
|
|
self.filename = 'SPOILER_' + self.filename
|
||
|
|
|
||
|
|
def reset(self, *, seek=True):
|
||
|
|
# The `seek` parameter is needed because
|
||
|
|
# the retry-loop is iterated over multiple times
|
||
|
|
# starting from 0, as an implementation quirk
|
||
|
|
# the resetting must be done at the beginning
|
||
|
|
# before a request is done, since the first index
|
||
|
|
# is 0, and thus false, then this prevents an
|
||
|
|
# unnecessary seek since it's the first request
|
||
|
|
# done.
|
||
|
|
if seek:
|
||
|
|
self.fp.seek(self._original_pos)
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
self.fp.close = self._closer
|
||
|
|
if self._owner:
|
||
|
|
self._closer()
|