TelegramPoster/modules/utils.py

from os import kill, path
from os import name as osname
from os import sep
from sys import exit
from traceback import print_exc
from typing import Any

from ujson import JSONDecodeError, dumps, loads

from modules.logger import logWrite


def jsonLoad(filename: str) -> Any:
    """Loads arg1 as json and returns its contents"""
    with open(filename, "r", encoding="utf8") as file:
        try:
            output = loads(file.read())
        except JSONDecodeError:
            logWrite(
                f"Could not load json file {filename}: file seems to be incorrect!\n{print_exc()}"
            )
            raise
        except FileNotFoundError:
            logWrite(
                f"Could not load json file {filename}: file does not seem to exist!\n{print_exc()}"
            )
            raise
        file.close()
    return output


def jsonSave(contents: Any, filename: str) -> None:
    """Dumps dict/list arg1 to file arg2"""
    try:
        with open(filename, "w", encoding="utf8") as file:
            file.write(
                dumps(
                    contents, ensure_ascii=False, indent=4, escape_forward_slashes=False
                )
            )
            file.close()
    except Exception as exp:
        logWrite(f"Could not save json file {filename}: {exp}\n{print_exc()}")
    return


def configSet(key: str, value, *args: str):
    """Set key to a value
    Args:
        * key (str): The last key of the keys path.
        * value (str/int/float/list/dict/None): Some needed value.
        * *args (str): Path to key like: dict[args][key].
    """
    this_dict = jsonLoad("config.json")
    string = "this_dict"
    for arg in args:
        string += f'["{arg}"]'
    if type(value) in [str]:
        string += f'["{key}"] = "{value}"'
    else:
        string += f'["{key}"] = {value}'
    exec(string)
    jsonSave(this_dict, "config.json")
    return


def configGet(key: str, *args: str):
    """Get value of the config key
    Args:
        * key (str): The last key of the keys path.
        * *args (str): Path to key like: dict[args][key].
    Returns:
        * any: Value of provided key
    """
    this_dict = jsonLoad("config.json")
    try:
        this_key = this_dict
        for dict_key in args:
            this_key = this_key[dict_key]
    except KeyError:
        print(
            f"Could not find config key '{key}' under path {args}: falling back to default config",
            flush=True,
        )
        fallback_dict = jsonLoad(path.join("modules", "default_config.json"))
        this_key = fallback_dict
        for dict_key in args:
            this_key = this_key[dict_key]
        configSet(key, this_key[key], args)
    return this_key[key]


def locale(key: str, *args: str, locale=configGet("locale")):
    """Get value of locale string
    Args:
        * key (str): The last key of the locale's keys path.
        * *args (list): Path to key like: dict[args][key].
        * locale (str): Locale to looked up in. Defaults to config's locale value.
    Returns:
        * any: Value of provided locale key
    """
    if locale == None:
        locale = configGet("locale")

    try:
        this_dict = jsonLoad(f'{configGet("locale", "locations")}{sep}{locale}.json')
    except FileNotFoundError:
        try:
            this_dict = jsonLoad(
                f'{configGet("locale", "locations")}{sep}{configGet("locale")}.json'
            )
        except FileNotFoundError:
            try:
                this_dict = jsonLoad(
                    f'{configGet("locale_fallback", "locations")}{sep}{configGet("locale")}.json'
                )
            except:
                return f'⚠️ Locale in config is invalid: could not get "{key}" in {str(args)} from locale "{locale}"'

    this_key = this_dict
    for dict_key in args:
        this_key = this_key[dict_key]

    try:
        return this_key[key]
    except KeyError:
        return f'⚠️ Locale in config is invalid: could not get "{key}" in {str(args)} from locale "{locale}"'


try:
    from psutil import Process
except ModuleNotFoundError:
    print(locale("deps_missing", "console", locale=configGet("locale")), flush=True)
    exit()


def killProc(pid: int) -> None:
    """Kill process by its PID. Meant to be used to kill the main process of bot itself.

    ### Args:
        * pid (`int`): PID of the target
    """
    if osname == "posix":
        from signal import SIGKILL

        kill(pid, SIGKILL)
    else:
        Process(pid).kill()