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stickerpicker/sticker/import.py
Tulir Asokan 78fdb6f175 Switch license to AGPLv3+
The license was initially MPLv2 as I expected the project to be a fairly
simple tiny web app, but it has already grown into multiple files. Now
that I'm going to add a server component, I'm switching the license for
future versions to AGPL like all my other non-library projects.
2020-10-30 23:18:55 +02:00

168 lines
6.5 KiB
Python

# maunium-stickerpicker - A fast and simple Matrix sticker picker widget.
# Copyright (C) 2020 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Dict
import argparse
import asyncio
import os.path
import json
import re
from telethon import TelegramClient
from telethon.tl.functions.messages import GetAllStickersRequest, GetStickerSetRequest
from telethon.tl.types.messages import AllStickers
from telethon.tl.types import InputStickerSetShortName, Document, DocumentAttributeSticker
from telethon.tl.types.messages import StickerSet as StickerSetFull
from .lib import matrix, util
async def reupload_document(client: TelegramClient, document: Document) -> matrix.StickerInfo:
print(f"Reuploading {document.id}", end="", flush=True)
data = await client.download_media(document, file=bytes)
print(".", end="", flush=True)
data, width, height = util.convert_image(data)
print(".", end="", flush=True)
mxc = await matrix.upload(data, "image/png", f"{document.id}.png")
print(".", flush=True)
return util.make_sticker(mxc, width, height, len(data))
def add_meta(document: Document, info: matrix.StickerInfo, pack: StickerSetFull) -> None:
for attr in document.attributes:
if isinstance(attr, DocumentAttributeSticker):
info["body"] = attr.alt
info["id"] = f"tg-{document.id}"
info["net.maunium.telegram.sticker"] = {
"pack": {
"id": str(pack.set.id),
"short_name": pack.set.short_name,
},
"id": str(document.id),
"emoticons": [],
}
async def reupload_pack(client: TelegramClient, pack: StickerSetFull, output_dir: str) -> None:
if pack.set.animated:
print("Animated stickerpacks are currently not supported")
return
pack_path = os.path.join(output_dir, f"{pack.set.short_name}.json")
try:
os.mkdir(os.path.dirname(pack_path))
except FileExistsError:
pass
print(f"Reuploading {pack.set.title} with {pack.set.count} stickers "
f"and writing output to {pack_path}")
already_uploaded = {}
try:
with open(pack_path) as pack_file:
existing_pack = json.load(pack_file)
already_uploaded = {int(sticker["net.maunium.telegram.sticker"]["id"]): sticker
for sticker in existing_pack["stickers"]}
print(f"Found {len(already_uploaded)} already reuploaded stickers")
except FileNotFoundError:
pass
reuploaded_documents: Dict[int, matrix.StickerInfo] = {}
for document in pack.documents:
try:
reuploaded_documents[document.id] = already_uploaded[document.id]
print(f"Skipped reuploading {document.id}")
except KeyError:
reuploaded_documents[document.id] = await reupload_document(client, document)
# Always ensure the body and telegram metadata is correct
add_meta(document, reuploaded_documents[document.id], pack)
for sticker in pack.packs:
if not sticker.emoticon:
continue
for document_id in sticker.documents:
doc = reuploaded_documents[document_id]
# If there was no sticker metadata, use the first emoji we find
if doc["body"] == "":
doc["body"] = sticker.emoticon
doc["net.maunium.telegram.sticker"]["emoticons"].append(sticker.emoticon)
with open(pack_path, "w") as pack_file:
json.dump({
"title": pack.set.title,
"id": f"tg-{pack.set.id}",
"net.maunium.telegram.pack": {
"short_name": pack.set.short_name,
"hash": str(pack.set.hash),
},
"stickers": list(reuploaded_documents.values()),
}, pack_file, ensure_ascii=False)
print(f"Saved {pack.set.title} as {pack.set.short_name}.json")
util.add_to_index(os.path.basename(pack_path), output_dir)
pack_url_regex = re.compile(r"^(?:(?:https?://)?(?:t|telegram)\.(?:me|dog)/addstickers/)?"
r"([A-Za-z0-9-_]+)"
r"(?:\.json)?$")
parser = argparse.ArgumentParser()
parser.add_argument("--list", help="List your saved sticker packs", action="store_true")
parser.add_argument("--session", help="Telethon session file name", default="sticker-import")
parser.add_argument("--config",
help="Path to JSON file with Matrix homeserver and access_token",
type=str, default="config.json")
parser.add_argument("--output-dir", help="Directory to write packs to", default="web/packs/",
type=str)
parser.add_argument("pack", help="Sticker pack URLs to import", action="append", nargs="*")
async def main(args: argparse.Namespace) -> None:
await matrix.load_config(args.config)
client = TelegramClient(args.session, 298751, "cb676d6bae20553c9996996a8f52b4d7")
await client.start()
if args.list:
stickers: AllStickers = await client(GetAllStickersRequest(hash=0))
index = 1
width = len(str(stickers.sets))
print("Your saved sticker packs:")
for saved_pack in stickers.sets:
print(f"{index:>{width}}. {saved_pack.title} "
f"(t.me/addstickers/{saved_pack.short_name})")
elif args.pack[0]:
input_packs = []
for pack_url in args.pack[0]:
match = pack_url_regex.match(pack_url)
if not match:
print(f"'{pack_url}' doesn't look like a sticker pack URL")
return
input_packs.append(InputStickerSetShortName(short_name=match.group(1)))
for input_pack in input_packs:
pack: StickerSetFull = await client(GetStickerSetRequest(input_pack))
await reupload_pack(client, pack, args.output_dir)
else:
parser.print_help()
await client.disconnect()
def cmd() -> None:
asyncio.get_event_loop().run_until_complete(main(parser.parse_args()))
if __name__ == "__main__":
cmd()