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# Copyright Pincer 2021-Present |
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# Full MIT License can be found in `LICENSE` at the project root. |
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from __future__ import annotations |
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from dataclasses import dataclass |
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from json import dumps |
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from typing import Dict, Tuple, Union, List, Optional, TYPE_CHECKING |
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from aiohttp import FormData, Payload |
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from ..app.interaction_base import CallbackType |
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from ..message.embed import Embed |
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from ..message.file import File |
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from ..message.user_message import AllowedMentions |
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from ...exceptions import CommandReturnIsEmpty |
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PILLOW_IMPORT = True |
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try: |
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from PIL.Image import Image |
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except (ModuleNotFoundError, ImportError): |
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PILLOW_IMPORT = False |
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if TYPE_CHECKING: |
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from ..app import InteractionFlags |
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from .component import MessageComponent |
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@dataclass |
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class Message: |
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# TODO: Docs for tts, allowed_mentions, components, flags, and type. |
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""" |
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A discord message that will be send to discord |
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:param content: |
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The text in the message. |
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:param attachments: |
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Attachments on the message. This is a File object. You can also attach |
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a Pillow Image or string. Pillow images will be converted to PNGs. They |
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will use the naming sceme ``image%`` where % is the images index in the |
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attachments array. Strings will be read as a filepath. The name of the |
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file that the string points to will be used as the name. |
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:param embeds: |
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Embed attached to the message. This is an Embed object. |
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""" |
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content: str = '' |
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attachments: Optional[List[File]] = None |
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tts: Optional[bool] = False |
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embeds: Optional[List[Embed]] = None |
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allowed_mentions: Optional[AllowedMentions] = None |
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components: Optional[List[MessageComponent]] = None |
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flags: Optional[InteractionFlags] = None |
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type: Optional[CallbackType] = None |
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def __post_init__(self): |
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if not self.attachments: |
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return |
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attch = [] |
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for count, value in enumerate(self.attachments): |
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if isinstance(value, File): |
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attch.append(value) |
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elif PILLOW_IMPORT and isinstance(value, Image): |
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attch.append(File.from_pillow_image( |
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value, |
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f"image{count}.png", |
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)) |
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elif isinstance(value, str): |
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attch.append(File.from_file(value)) |
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else: |
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raise ValueError(f"Attachment {count} is invalid type.") |
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self.attachments = attch |
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@property |
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def isempty(self) -> bool: |
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""" |
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:return: |
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Returns true if a message is empty. |
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""" |
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return ( |
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len(self.content) < 1 |
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and not self.embeds |
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and not self.attachments |
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) |
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def to_dict(self): |
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allowed_mentions = ( |
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self.allowed_mentions.to_dict() |
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if self.allowed_mentions else {} |
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) |
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# Attachments aren't serialized |
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# because they are not sent as part of the json |
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resp = { |
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"content": self.content, |
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"tts": self.tts, |
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"flags": self.flags, |
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"embeds": [embed.to_dict() for embed in (self.embeds or [])], |
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"allowed_mentions": allowed_mentions, |
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"components": [ |
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components.to_dict() for components in (self.components or []) |
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] |
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} |
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return { |
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"type": self.type or CallbackType.MESSAGE, |
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"data": {k: i for k, i in resp.items() if i} |
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} |
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def serialize(self) -> Tuple[str, Union[Payload, Dict]]: |
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""" |
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Creates the data that the discord API wants for the message object |
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:return: (content_type, data) |
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:raises CommandReturnIsEmpty: |
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Command does not have content, an embed, or attachment. |
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""" |
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if self.isempty: |
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raise CommandReturnIsEmpty("Cannot return empty message.") |
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if not self.attachments: |
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return "application/json", self.to_dict() |
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form = FormData() |
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form.add_field("payload_json", dumps(self.to_dict())) |
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for file in self.attachments: |
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form.add_field("file", file.content, filename=file.filename) |
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payload = form() |
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return payload.headers["Content-Type"], payload |
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Pincer-org /
Pincer
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