matrix-stickers/sticker/pack.py
2020-09-13 17:29:08 +03:00

105 lines
3.5 KiB
Python

# Copyright (c) 2020 Tulir Asokan
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from hashlib import sha256
import argparse
import os.path
import asyncio
import string
import json
import magic
from .lib import matrix, util
def convert_name(name: str) -> str:
name_translate = {
ord(" "): ord("_"),
}
allowed_chars = string.ascii_letters + string.digits + "_-/.#"
return "".join(filter(lambda char: char in allowed_chars, name.translate(name_translate)))
async def main(args: argparse.Namespace) -> None:
await matrix.load_config(args.config)
dirname = os.path.basename(os.path.abspath(args.path))
meta_path = os.path.join(args.path, "pack.json")
try:
with open(meta_path) as pack_file:
pack = json.load(pack_file)
print(f"Loaded existing pack meta from {meta_path}")
except FileNotFoundError:
pack = {
"title": args.title or dirname,
"id": args.id or convert_name(dirname),
"stickers": [],
}
old_stickers = {}
else:
old_stickers = {sticker["id"]: sticker for sticker in pack["stickers"]}
pack["stickers"] = []
for file in sorted(os.listdir(args.path)):
if file.startswith("."):
continue
path = os.path.join(args.path, file)
if not os.path.isfile(path):
continue
mime = magic.from_file(path, mime=True)
if not mime.startswith("image/"):
continue
try:
with open(path, "rb") as image_file:
image_data = image_file.read()
except Exception as e:
print(f"Failed to read {file}: {e}")
continue
print(f"Processing {file}", end="", flush=True)
name = os.path.splitext(file)[0]
# If the name starts with "number-", remove the prefix
name_split = name.split("-", 1)
if len(name_split) == 2 and name_split[0].isdecimal():
name = name_split[1]
sticker_id = f"sha256:{sha256(image_data).hexdigest()}"
print(".", end="", flush=True)
if sticker_id in old_stickers:
pack["stickers"].append({
**old_stickers[sticker_id],
"body": name,
})
print(f".. using existing upload")
else:
image_data, width, height = util.convert_image(image_data)
print(".", end="", flush=True)
mxc = await matrix.upload(image_data, "image/png", file)
print(".", end="", flush=True)
sticker = util.make_sticker(mxc, width, height, len(image_data), name)
sticker["id"] = sticker_id
pack["stickers"].append(sticker)
print(" uploaded", flush=True)
with open(meta_path, "w") as pack_file:
json.dump(pack, pack_file)
print(f"Wrote pack to {meta_path}")
parser = argparse.ArgumentParser()
parser.add_argument("--config",
help="Path to JSON file with Matrix homeserver and access_token",
type=str, default="config.json")
parser.add_argument("--title", help="Override the sticker pack displayname", type=str)
parser.add_argument("--id", help="Override the sticker pack ID", type=str)
parser.add_argument("path", help="Path to the sticker pack directory", type=str)
def cmd():
asyncio.get_event_loop().run_until_complete(main(parser.parse_args()))
if __name__ == "__main__":
cmd()