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Reorganize Python stuff and add command to create packs

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Fixes #11
This commit is contained in:
Tulir Asokan 2020-09-13 03:56:28 +03:00
parent de79aea535
commit 80bcf6d0ac
11 changed files with 356 additions and 154 deletions
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1
.gitignore vendored
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@ -4,6 +4,7 @@
/env
*.pyc
__pycache__
*.egg-info
node_modules

47
README.md
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@ -4,22 +4,43 @@ A fast and simple Matrix sticker picker widget. Tested on Element Web, Android &
## Discussion
Matrix room: [`#maunium:maunium.net`](https://matrix.to/#/#maunium:maunium.net)
## Importing packs from Telegram
1. (Optional) Set up a virtual environment.
1. Create with `virtualenv -p python3 .`
2. Activate with `source ./bin/activate`
2. Install dependencies with `pip install -r requirements.txt`
3. Run `python3 import.py <pack urls...>`
* On the first run, it'll prompt you to log in to Matrix and Telegram.
* The Matrix URL and access token are stored in `config.json` by default.
* The Telethon session data is stored in `sticker-import.session` by default.
* By default, the pack data will be written to `web/packs/`.
* You can pass as many pack URLs as you want.
* You can re-run the command with the same URLs to update packs.
## Utility commands
In addition to the sticker picker widget itself, this project includes some
utility scripts you can use to import and create sticker packs.
If you want to list the URLs of all your saved packs, use `python3 import.py --list`.
To get started, install the dependencies for using the commands:
0. Make sure you have Python 3.6 or higher.
1. (Optional) Set up a virtual environment.
1. Create with `virtualenv -p python3 .venv`
2. Activate with `source .venv/bin/activate`
2. Install the utility commands and their dependencies with `pip install .`
### Importing packs from Telegram
To import packs from Telegram, simply run `sticker-import <pack urls...>` with
one or more t.me/addstickers/... URLs.
If you want to list the URLs of all your saved packs, use `sticker-import --list`.
This requires logging in with your account instead of a bot token.
Notes:
* On the first run, it'll prompt you to log in to Matrix and Telegram.
* The Matrix URL and access token are stored in `config.json` by default.
* The Telethon session data is stored in `sticker-import.session` by default.
* By default, the pack data will be written to `web/packs/`.
* You can pass as many pack URLs as you want.
* You can re-run the command with the same URLs to update packs.
### Creating your own packs
1. Create a directory with your sticker images.
* The file name (excluding extension) will be used as the caption.
* The directory name will be used as the pack name/ID.
2. Run `sticker-pack <pack directory>`.
* If you want to override the pack displayname, pass `--title <custom title>`.
3. Copy `<pack directory>/pack.json` to `web/packs/your-pack-name.json`.
4. Add `your-pack-name.json` to the list in `web/packs/index.json`.
## Enabling the sticker widget
1. Serve everything under `web/` using your webserver of choice. Make sure not to serve the
top-level data, as `config.json` and the Telethon session file contain sensitive data.

1
requirements.txt
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@ -3,3 +3,4 @@ yarl
pillow
telethon
cryptg
python-magic

42
setup.py Normal file
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@ -0,0 +1,42 @@
import setuptools
with open("requirements.txt") as reqs:
install_requires = reqs.read().splitlines()
try:
long_desc = open("README.md").read()
except IOError:
long_desc = "Failed to read README.md"
setuptools.setup(
name="maunium-stickerpicker",
version="0.1.0",
url="https://github.com/maunium/stickerpicker",
author="Tulir Asokan",
author_email="tulir@maunium.net",
description="A fast and simple Matrix sticker picker widget",
long_description=long_desc,
long_description_content_type="text/markdown",
packages=setuptools.find_packages(),
install_requires=install_requires,
python_requires="~=3.6",
classifiers=[
"Development Status :: 4 - Beta",
"License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
"Framework :: AsyncIO",
"Programming Language :: Python",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
],
entry_points={"console_scripts": [
"sticker-import=sticker.import:cmd",
"sticker-pack=sticker.pack:cmd",
]},
)

0
sticker/__init__.py Normal file
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169
import.py → sticker/import.py
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@ -3,156 +3,34 @@
# 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 typing import Dict, Optional, TYPE_CHECKING
from io import BytesIO
from typing import Dict
import argparse
import os.path
import asyncio
import os.path
import json
import re
from aiohttp import ClientSession
from yarl import URL
from PIL import Image
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
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="*")
args = parser.parse_args()
loop = asyncio.get_event_loop()
from .lib import matrix, util
async def whoami(url: URL, access_token: str) -> str:
headers = {"Authorization": f"Bearer {access_token}"}
async with ClientSession() as sess, sess.get(url, headers=headers) as resp:
resp.raise_for_status()
user_id = (await resp.json())["user_id"]
print(f"Access token validated (user ID: {user_id})")
return user_id
try:
with open(args.config) as config_file:
config = json.load(config_file)
homeserver_url = config["homeserver"]
access_token = config["access_token"]
except FileNotFoundError:
print("Matrix config file not found. Please enter your homeserver and access token.")
homeserver_url = input("Homeserver URL: ")
access_token = input("Access token: ")
whoami_url = URL(homeserver_url) / "_matrix" / "client" / "r0" / "account" / "whoami"
user_id = loop.run_until_complete(whoami(whoami_url, access_token))
with open(args.config, "w") as config_file:
json.dump({
"homeserver": homeserver_url,
"user_id": user_id,
"access_token": access_token
}, config_file)
print(f"Wrote config to {args.config}")
upload_url = URL(homeserver_url) / "_matrix" / "media" / "r0" / "upload"
async def upload(data: bytes, mimetype: str, filename: str) -> str:
url = upload_url.with_query({"filename": filename})
headers = {"Content-Type": mimetype, "Authorization": f"Bearer {access_token}"}
async with ClientSession() as sess, sess.post(url, data=data, headers=headers) as resp:
return (await resp.json())["content_uri"]
if TYPE_CHECKING:
from typing import TypedDict
class MatrixMediaInfo(TypedDict):
w: int
h: int
size: int
mimetype: str
thumbnail_url: Optional[str]
thumbnail_info: Optional['MatrixMediaInfo']
class MatrixStickerInfo(TypedDict, total=False):
body: str
url: str
info: MatrixMediaInfo
id: str
def convert_image(data: bytes) -> (bytes, int, int):
image: Image.Image = Image.open(BytesIO(data)).convert("RGBA")
new_file = BytesIO()
image.save(new_file, "png")
w, h = image.size
return new_file.getvalue(), w, h
async def reupload_document(client: TelegramClient, document: Document) -> 'MatrixStickerInfo':
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 = convert_image(data)
data, width, height = util.convert_image(data)
print(".", end="", flush=True)
mxc = await upload(data, "image/png", f"{document.id}.png")
mxc = await matrix.upload(data, "image/png", f"{document.id}.png")
print(".", flush=True)
if width > 256 or height > 256:
# Set the width and height to lower values so clients wouldn't show them as huge images
if width > height:
height = int(height / (width / 256))
width = 256
else:
width = int(width / (height / 256))
height = 256
return {
"body": "",
"url": mxc,
"info": {
"w": width,
"h": height,
"size": len(data),
"mimetype": "image/png",
# Element iOS compatibility hack
"thumbnail_url": mxc,
"thumbnail_info": {
"w": width,
"h": height,
"size": len(data),
"mimetype": "image/png",
},
},
}
return util.make_sticker(mxc, width, height, len(data))
def add_to_index(name: str) -> None:
index_path = os.path.join(args.output_dir, "index.json")
try:
with open(index_path) as index_file:
index_data = json.load(index_file)
except (FileNotFoundError, json.JSONDecodeError):
index_data = {"packs": []}
if "homeserver_url" not in index_data:
index_data["homeserver_url"] = homeserver_url
if name not in index_data["packs"]:
index_data["packs"].append(name)
with open(index_path, "w") as index_file:
json.dump(index_data, index_file, indent=" ")
print(f"Added {name} to {index_path}")
def add_meta(document: Document, info: 'MatrixStickerInfo', pack: StickerSetFull) -> None:
def add_meta(document: Document, info: matrix.StickerInfo, pack: StickerSetFull) -> None:
for attr in document.attributes:
if isinstance(attr, DocumentAttributeSticker):
info["body"] = attr.alt
@ -167,12 +45,12 @@ def add_meta(document: Document, info: 'MatrixStickerInfo', pack: StickerSetFull
}
async def reupload_pack(client: TelegramClient, pack: StickerSetFull) -> None:
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(args.output_dir, f"{pack.set.short_name}.json")
pack_path = os.path.join(output_dir, f"{pack.set.short_name}.json")
try:
os.mkdir(os.path.dirname(pack_path))
except FileExistsError:
@ -191,7 +69,7 @@ async def reupload_pack(client: TelegramClient, pack: StickerSetFull) -> None:
except FileNotFoundError:
pass
reuploaded_documents: Dict[int, 'MatrixStickerInfo'] = {}
reuploaded_documents: Dict[int, matrix.StickerInfo] = {}
for document in pack.documents:
try:
reuploaded_documents[document.id] = already_uploaded[document.id]
@ -223,15 +101,27 @@ async def reupload_pack(client: TelegramClient, pack: StickerSetFull) -> None:
}, pack_file, ensure_ascii=False)
print(f"Saved {pack.set.title} as {pack.set.short_name}.json")
add_to_index(os.path.basename(pack_path))
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()
async def main():
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()
@ -253,11 +143,16 @@ async def main():
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)
await reupload_pack(client, pack, args.output_dir)
else:
parser.print_help()
await client.disconnect()
loop.run_until_complete(main())
def cmd() -> None:
asyncio.get_event_loop().run_until_complete(main(parser.parse_args()))
if __name__ == "__main__":
cmd()

0
sticker/lib/__init__.py Normal file
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77
sticker/lib/matrix.py Normal file
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@ -0,0 +1,77 @@
# 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 typing import Optional, TYPE_CHECKING
import json
from aiohttp import ClientSession
from yarl import URL
access_token: Optional[str] = None
homeserver_url: Optional[str] = None
upload_url: Optional[URL] = None
if TYPE_CHECKING:
from typing import TypedDict
class MediaInfo(TypedDict):
w: int
h: int
size: int
mimetype: str
thumbnail_url: Optional[str]
thumbnail_info: Optional['MediaInfo']
class StickerInfo(TypedDict, total=False):
body: str
url: str
info: MediaInfo
id: str
else:
MediaInfo = None
StickerInfo = None
async def load_config(path: str) -> None:
global access_token, homeserver_url, upload_url
try:
with open(path) as config_file:
config = json.load(config_file)
homeserver_url = config["homeserver"]
access_token = config["access_token"]
except FileNotFoundError:
print("Matrix config file not found. Please enter your homeserver and access token.")
homeserver_url = input("Homeserver URL: ")
access_token = input("Access token: ")
whoami_url = URL(homeserver_url) / "_matrix" / "client" / "r0" / "account" / "whoami"
user_id = await whoami(whoami_url, access_token)
with open(path, "w") as config_file:
json.dump({
"homeserver": homeserver_url,
"user_id": user_id,
"access_token": access_token
}, config_file)
print(f"Wrote config to {path}")
upload_url = URL(homeserver_url) / "_matrix" / "media" / "r0" / "upload"
async def whoami(url: URL, access_token: str) -> str:
headers = {"Authorization": f"Bearer {access_token}"}
async with ClientSession() as sess, sess.get(url, headers=headers) as resp:
resp.raise_for_status()
user_id = (await resp.json())["user_id"]
print(f"Access token validated (user ID: {user_id})")
return user_id
async def upload(data: bytes, mimetype: str, filename: str) -> str:
url = upload_url.with_query({"filename": filename})
headers = {"Content-Type": mimetype, "Authorization": f"Bearer {access_token}"}
async with ClientSession() as sess, sess.post(url, data=data, headers=headers) as resp:
return (await resp.json())["content_uri"]

67
sticker/lib/util.py Normal file
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@ -0,0 +1,67 @@
# 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 io import BytesIO
import os.path
import json
from PIL import Image
from . import matrix
def convert_image(data: bytes) -> (bytes, int, int):
image: Image.Image = Image.open(BytesIO(data)).convert("RGBA")
new_file = BytesIO()
image.save(new_file, "png")
w, h = image.size
if w > 256 or h > 256:
# Set the width and height to lower values so clients wouldn't show them as huge images
if w > h:
h = int(h / (w / 256))
w = 256
else:
w = int(w / (h / 256))
h = 256
return new_file.getvalue(), w, h
def add_to_index(name: str, output_dir: str) -> None:
index_path = os.path.join(output_dir, "index.json")
try:
with open(index_path) as index_file:
index_data = json.load(index_file)
except (FileNotFoundError, json.JSONDecodeError):
index_data = {"packs": []}
if "homeserver_url" not in index_data and matrix.homeserver_url:
index_data["homeserver_url"] = matrix.homeserver_url
if name not in index_data["packs"]:
index_data["packs"].append(name)
with open(index_path, "w") as index_file:
json.dump(index_data, index_file, indent=" ")
print(f"Added {name} to {index_path}")
def make_sticker(mxc: str, width: int, height: int, size: int,
body: str = "") -> matrix.StickerInfo:
return {
"body": body,
"url": mxc,
"info": {
"w": width,
"h": height,
"size": size,
"mimetype": "image/png",
# Element iOS compatibility hack
"thumbnail_url": mxc,
"thumbnail_info": {
"w": width,
"h": height,
"size": size,
"mimetype": "image/png",
},
},
}

99
sticker/pack.py Normal file
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@ -0,0 +1,99 @@
# 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 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]
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()

7
scalar-convert.py → sticker/scalar_convert.py
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@ -1,8 +1,7 @@
#!/usr/bin/env python3
import sys
import json
index_path = "web/packs/index.json"
index_path = "../web/packs/index.json"
try:
with open(index_path) as index_file:
@ -18,7 +17,7 @@ for pack in data["assets"]:
if "images" not in pack["data"]:
print(f"Skipping {title}")
continue
id = f"scalar-{pack['asset_id']}"
pack_id = f"scalar-{pack['asset_id']}"
stickers = []
for sticker in pack["data"]["images"]:
sticker_data = sticker["content"]
@ -26,7 +25,7 @@ for pack in data["assets"]:
stickers.append(sticker_data)
pack_data = {
"title": title,
"id": id,
"id": pack_id,
"stickers": stickers,
}
filename = f"scalar-{pack['name'].replace(' ', '_')}.json"