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254 lines
7.9 KiB
254 lines
7.9 KiB
"""
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The MIT License (MIT)
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Copyright (c) 2015-present Rapptz
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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"""
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from __future__ import annotations
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from typing import TYPE_CHECKING, List, Literal, Optional, TypeVar, Union
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from .item import Item
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from ..enums import ComponentType
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from ..components import (
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MediaGalleryItem,
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MediaGalleryComponent,
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UnfurledMediaItem,
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)
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if TYPE_CHECKING:
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from typing_extensions import Self
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from .view import LayoutView
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V = TypeVar('V', bound='LayoutView', covariant=True)
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__all__ = ('MediaGallery',)
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class MediaGallery(Item[V]):
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"""Represents a UI media gallery.
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Can contain up to 10 :class:`.MediaGalleryItem` 's.
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This is a top-level layout component that can only be used on :class:`LayoutView`.
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.. versionadded:: 2.6
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Parameters
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----------
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*items: :class:`.MediaGalleryItem`
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The initial items of this gallery.
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row: Optional[:class:`int`]
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The relative row this media gallery belongs to. By default
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items are arranged automatically into those rows. If you'd
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like to control the relative positioning of the row then
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passing an index is advised. For example, row=1 will show
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up before row=2. Defaults to ``None``, which is automatic
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ordering. The row number must be between 0 and 39 (i.e. zero indexed)
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id: Optional[:class:`int`]
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The ID of this component. This must be unique across the view.
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"""
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def __init__(
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self,
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*items: MediaGalleryItem,
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row: Optional[int] = None,
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id: Optional[int] = None,
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) -> None:
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super().__init__()
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self._underlying = MediaGalleryComponent._raw_construct(
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items=list(items),
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id=id,
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)
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self.row = row
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self.id = id
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@property
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def items(self) -> List[MediaGalleryItem]:
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"""List[:class:`.MediaGalleryItem`]: Returns a read-only list of this gallery's items."""
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return self._underlying.items.copy()
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@items.setter
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def items(self, value: List[MediaGalleryItem]) -> None:
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if len(value) > 10:
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raise ValueError('media gallery only accepts up to 10 items')
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self._underlying.items = value
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def to_component_dict(self):
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return self._underlying.to_dict()
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def _is_v2(self) -> bool:
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return True
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def add_item(
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self,
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*,
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media: Union[str, UnfurledMediaItem],
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description: Optional[str] = None,
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spoiler: bool = False,
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) -> Self:
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"""Adds an item to this gallery.
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This function returns the class instance to allow for fluent-style
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chaining.
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Parameters
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----------
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media: Union[:class:`str`, :class:`.UnfurledMediaItem`]
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The media item data. This can be a string representing a local
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file uploaded as an attachment in the message, which can be accessed
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using the ``attachment://<filename>`` format, or an arbitrary url.
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description: Optional[:class:`str`]
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The description to show within this item. Up to 256 characters. Defaults
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to ``None``.
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spoiler: :class:`bool`
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Whether this item should be flagged as a spoiler. Defaults to ``False``.
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Raises
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------
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ValueError
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Maximum number of items has been exceeded (10).
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"""
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if len(self._underlying.items) >= 10:
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raise ValueError('maximum number of items has been exceeded')
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item = MediaGalleryItem(media, description=description, spoiler=spoiler)
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self._underlying.items.append(item)
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return self
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def append_item(self, item: MediaGalleryItem) -> Self:
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"""Appends an item to this gallery.
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This function returns the class instance to allow for fluent-style
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chaining.
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Parameters
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----------
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item: :class:`.MediaGalleryItem`
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The item to add to the gallery.
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Raises
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------
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TypeError
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A :class:`.MediaGalleryItem` was not passed.
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ValueError
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Maximum number of items has been exceeded (10).
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"""
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if len(self._underlying.items) >= 10:
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raise ValueError('maximum number of items has been exceeded')
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if not isinstance(item, MediaGalleryItem):
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raise TypeError(f'expected MediaGalleryItem not {item.__class__.__name__}')
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self._underlying.items.append(item)
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return self
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def insert_item_at(
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self,
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index: int,
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*,
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media: Union[str, UnfurledMediaItem],
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description: Optional[str] = None,
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spoiler: bool = False,
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) -> Self:
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"""Inserts an item before a specified index to the media gallery.
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This function returns the class instance to allow for fluent-style
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chaining.
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Parameters
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----------
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index: :class:`int`
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The index of where to insert the field.
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media: Union[:class:`str`, :class:`.UnfurledMediaItem`]
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The media item data. This can be a string representing a local
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file uploaded as an attachment in the message, which can be accessed
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using the ``attachment://<filename>`` format, or an arbitrary url.
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description: Optional[:class:`str`]
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The description to show within this item. Up to 256 characters. Defaults
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to ``None``.
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spoiler: :class:`bool`
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Whether this item should be flagged as a spoiler. Defaults to ``False``.
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Raises
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------
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ValueError
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Maximum number of items has been exceeded (10).
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"""
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if len(self._underlying.items) >= 10:
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raise ValueError('maximum number of items has been exceeded')
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item = MediaGalleryItem(
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media,
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description=description,
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spoiler=spoiler,
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)
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self._underlying.items.insert(index, item)
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return self
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def remove_item(self, item: MediaGalleryItem) -> Self:
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"""Removes an item from the gallery.
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This function returns the class instance to allow for fluent-style
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chaining.
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Parameters
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----------
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item: :class:`.MediaGalleryItem`
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The item to remove from the gallery.
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"""
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try:
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self._underlying.items.remove(item)
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except ValueError:
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pass
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return self
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def clear_items(self) -> Self:
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"""Removes all items from the gallery.
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This function returns the class instance to allow for fluent-style
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chaining.
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"""
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self._underlying.items.clear()
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return self
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@property
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def type(self) -> Literal[ComponentType.media_gallery]:
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return self._underlying.type
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@property
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def width(self):
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return 5
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@classmethod
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def from_component(cls, component: MediaGalleryComponent) -> Self:
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return cls(
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*component.items,
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id=component.id,
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)
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