mastoposter-oss_images/mastoposter/integrations/telegram.py

217 lines
7.1 KiB
Python

from configparser import SectionProxy
from dataclasses import dataclass
from html import escape
from typing import Any, List, Mapping, Optional
from bs4 import BeautifulSoup, Tag, PageElement
from httpx import AsyncClient
from mastoposter.integrations.base import BaseIntegration
from mastoposter.types import Attachment, Poll, Status
@dataclass
class TGResponse:
ok: bool
params: dict
result: Optional[Any] = None
error: Optional[str] = None
@classmethod
def from_dict(cls, data: dict, params: dict) -> "TGResponse":
return cls(
ok=data["ok"],
params=params,
result=data.get("result"),
error=data.get("description"),
)
class TelegramIntegration(BaseIntegration):
API_URL: str = "https://api.telegram.org/bot{}/{}"
MEDIA_COMPATIBILITY: Mapping[str, set] = {
"image": {"image", "video"},
"video": {"image", "video"},
"gifv": {"gifv"},
"audio": {"audio"},
"unknown": {"unknown"},
}
MEDIA_MAPPING: Mapping[str, str] = {
"image": "photo",
"video": "video",
"gifv": "animation",
"audio": "audio",
"unknown": "document",
}
def __init__(self, sect: SectionProxy):
self.token = sect.get("token", "")
self.chat_id = sect.get("chat", "")
self.show_post_link = sect.getboolean("show_post_link", True)
self.show_boost_from = sect.getboolean("show_boost_from", True)
self.silent = sect.getboolean("silent", True)
async def _tg_request(self, method: str, **kwargs) -> TGResponse:
url = self.API_URL.format(self.token, method)
async with AsyncClient() as client:
return TGResponse.from_dict(
(await client.post(url, json=kwargs)).json(), kwargs
)
async def _post_plaintext(self, text: str) -> TGResponse:
return await self._tg_request(
"sendMessage",
parse_mode="HTML",
disable_notification=self.silent,
disable_web_page_preview=True,
chat_id=self.chat_id,
text=text,
)
async def _post_media(self, text: str, media: Attachment) -> TGResponse:
# Just to be safe
if media.type not in self.MEDIA_MAPPING:
return await self._post_plaintext(text)
return await self._tg_request(
"send%s" % self.MEDIA_MAPPING[media.type].title(),
parse_mode="HTML",
disable_notification=self.silent,
disable_web_page_preview=True,
chat_id=self.chat_id,
caption=text,
**{self.MEDIA_MAPPING[media.type]: media.url},
)
async def _post_mediagroup(
self, text: str, media: List[Attachment]
) -> TGResponse:
media_list: List[dict] = []
allowed_medias = {"image", "gifv", "video", "audio", "unknown"}
for attachment in media:
if attachment.type not in allowed_medias:
continue
if attachment.type not in self.MEDIA_COMPATIBILITY:
continue
allowed_medias &= self.MEDIA_COMPATIBILITY[attachment.type]
media_list.append(
{
"type": self.MEDIA_MAPPING[attachment.type],
"media": attachment.url,
}
)
if len(media_list) == 1:
media_list[0].update(
{
"caption": text,
"parse_mode": "HTML",
}
)
return await self._tg_request(
"sendMediaGroup",
disable_notification=self.silent,
disable_web_page_preview=True,
chat_id=self.chat_id,
media=media_list,
)
async def _post_poll(
self, poll: Poll, reply_to: Optional[str] = None
) -> TGResponse:
return await self._tg_request(
"sendPoll",
disable_notification=self.silent,
disable_web_page_preview=True,
chat_id=self.chat_id,
question=f"Poll:{poll.id}",
reply_to_message_id=reply_to,
allow_multiple_answers=poll.multiple,
options=[opt.title for opt in poll.options],
)
@classmethod
def node_to_text(cls, el: PageElement) -> str:
if isinstance(el, Tag):
if el.name == "a":
return '<a href="{}">{}</a>'.format(
escape(el.attrs["href"]),
str.join("", map(cls.node_to_text, el.children)),
)
elif el.name == "p":
return (
str.join("", map(cls.node_to_text, el.children)) + "\n\n"
)
elif el.name == "br":
return "\n"
return str.join("", map(cls.node_to_text, el.children))
return escape(str(el))
async def __call__(self, status: Status) -> Optional[str]:
source = status.reblog or status
text = self.node_to_text(
BeautifulSoup(source.content, features="lxml")
)
text = text.rstrip()
if source.spoiler_text:
text = "Spoiler: {cw}\n<tg-spoiler>{text}</tg-spoiler>".format(
cw=source.spoiler_text, text=text
)
if self.show_post_link:
text += '\n\n<a href="%s">Link to post</a>' % status.link
if status.reblog and self.show_boost_from:
text = (
'Boosted post from <a href="{}">{}</a>\n'.format(
source.account.url,
source.account.display_name or source.account.username,
)
+ text
)
ids = []
if not source.media_attachments:
if (res := await self._post_plaintext(text)).ok:
if res.result:
ids.append(res.result["message_id"])
elif len(source.media_attachments) == 1:
if (
res := await self._post_media(
text, source.media_attachments[0]
)
).ok and res.result is not None:
ids.append(res.result["message_id"])
else:
if (
res := await self._post_mediagroup(
text, source.media_attachments
)
).ok and res.result is not None:
ids.append(res.result["message_id"])
if source.poll:
if (
res := await self._post_poll(
source.poll, reply_to=ids[0] if ids else None
)
).ok and res.result:
ids.append(res.result["message_id"])
return str.join(",", map(str, ids))
def __repr__(self) -> str:
return (
"<TelegramIntegration "
"chat_id={chat!r} "
"show_post_link={show_post_link!r} "
"show_boost_from={show_boost_from!r} "
"silent={silent!r}>"
).format(
chat=self.chat_id,
show_post_link=self.show_post_link,
show_boost_from=self.show_boost_from,
silent=self.silent,
)