Script to get string telegram session

get_tg_session.py

#!/usr/bin/env -S uv run --script
# /// script
# dependencies = [ "pyrofork", "tgcrypto-pyrofork" ]
# ///

import sys
from pathlib import Path
from pyrogram.client import Client


tg_id: str = '1'
tg_hash: str = 'b6b154c3707471f5339bd661645ed3d6'


def get_output_path() -> Path:
    default_path = Path.cwd() / "session.txt"
    argv = sys.argv[1:]

    for flag in (
        "--output",
        "-o"
    ):
        if flag in argv:
            idx = argv.index(flag) + 1
            if idx < len(argv):
                return Path(argv[idx]).expanduser().resolve()
            print(
                "Error: --output/-o must be followed by a file path.",
                file=sys.stderr
            )
            sys.exit(1)

    return default_path


output_file: Path = get_output_path()


if not output_file.parent.exists():
    print(
        f"Error: directory '{output_file.parent}' does not exist.",
        file=sys.stderr
    )
    sys.exit(1)


with Client(
    name="dummy",
    api_id=tg_id,
    api_hash=tg_hash,
    in_memory=True
) as app:
    session_string = app.export_session_string()
    output_file.write_text(
        session_string,
        encoding="utf-8"
    )
    print(f"Session string saved to: {output_file}")