youtube-dl/logic.py

import os
import sys
import platform
import traceback
import subprocess
import sqlite3

from framework import db, path_app_root, path_data
from framework.logger import get_logger
from framework.util import Util

from .logic_normal import LogicNormal
from .model import ModelSetting

package_name = __name__.split(".", maxsplit=1)[0]
logger = get_logger(package_name)


class Logic(object):
    db_default = {
        "db_version": "2",
        "youtube_dl_package": "1",
        "ffmpeg_path": ""
        if platform.system() != "Windows"
        else os.path.join(path_app_root, "bin", "Windows", "ffmpeg.exe"),
        "temp_path": os.path.join(path_data, "download_tmp"),
        "save_path": os.path.join(path_data, "download"),
        "default_filename": "",
        "proxy": "",
    }

    @staticmethod
    def db_init():
        try:
            for key, value in Logic.db_default.items():
                if db.session.query(ModelSetting).filter_by(key=key).count() == 0:
                    db.session.add(ModelSetting(key, value))
            db.session.commit()
            Logic.migration()
        except Exception as error:
            logger.error("Exception:%s", error)
            logger.error(traceback.format_exc())

    @staticmethod
    def plugin_load():
        try:
            logger.debug("%s plugin_load", package_name)
            Logic.db_init()

            # youtube-dl 업데이트
            youtube_dl = LogicNormal.get_youtube_dl_package(
                ModelSetting.get("youtube_dl_package")
            )
            logger.debug(f"{youtube_dl} upgrade")
            logger.debug(
                subprocess.check_output(
                    [sys.executable, "-m", "pip", "install", "--upgrade", youtube_dl],
                    universal_newlines=True,
                )
            )

            # 편의를 위해 json 파일 생성
            from .plugin import plugin_info

            Util.save_from_dict_to_json(
                plugin_info, os.path.join(os.path.dirname(__file__), "info.json")
            )
        except Exception as error:
            logger.error("Exception:%s", error)
            logger.error(traceback.format_exc())

    @staticmethod
    def plugin_unload():
        try:
            logger.debug("%s plugin_unload", package_name)
        except Exception as error:
            logger.error("Exception:%s", error)
            logger.error(traceback.format_exc())

    @staticmethod
    def migration():
        try:
            db_version = ModelSetting.get_int("db_version")
            connect = sqlite3.connect(
                os.path.join(path_data, "db", f"{package_name}.db")
            )

            if db_version < 2:
                logger.debug("youtube-dlc uninstall")
                logger.debug(
                    subprocess.check_output(
                        [sys.executable, "-m", "pip", "uninstall", "-y", "youtube-dlc"],
                        universal_newlines=True,
                    )
                )

            connect.commit()
            connect.close()
            ModelSetting.set("db_version", Logic.db_default["db_version"])
            db.session.flush()
        except Exception as error:
            logger.error("Exception:%s", error)
            logger.error(traceback.format_exc())