simple way for check or update python library to latest version based pypi.org api

module_updater.py

#!/usr/bin/env python3
# 10.10.2024 - python module version check
# © @github.com/motebaya

from typing import Any, Dict
import importlib.metadata
import requests, subprocess, sys

class ModuleManager:
  
  @staticmethod
  def get_latest_module(modulename: str) -> Any:
    """fresh install module

    :param str modulename: _description_
    :raises Exception: _description_
    :return Any: _description_
    """
    try:
      print(f"? installing module: {modulename}")
      subprocess.check_call([
        sys.executable, '-m', 'pip', 'install', modulename
      ])
    except subprocess.CalledProcessError as e:
      raise Exception(str(e))
  
  @staticmethod
  def update_current_module(modulename: str) -> None:
    """update current installed module to latest version

    :param str modulename: _description_
    :raises Exception: _description_
    """
    try:
      print(f'? updating module: {modulename}')
      subprocess.check_call([
        sys.executable, '-m', 'pip', 'install', '--upgrade', modulename
      ])
    except subprocess.CalledProcessError as e:
      raise Exception(str(e))

  @staticmethod
  def check_current_version(modulename: str) -> str:
    """check current version installed

    :param str modulename: _description_
    :return str: _description_
    """
    try:
      return importlib.metadata.version(modulename)
    except importlib.metadata.PackageNotFoundError:
      return
  
  @staticmethod
  def get_latest_version(modulename: str) -> Dict[str, Any]:
    current_version = ModuleManager.check_current_version(modulename)
    if current_version:
      print("? checking latest version update..")
      module = requests.get(
        f'https://pypi.org/pypi/{modulename}/json', headers={
          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
          'Content-Type': 'application/json'
        }
      ).json().get('info')
      if module:
        latest_version = module['version']
        if latest_version == current_version:
          print(f'! good, you have installed {modulename} with latest version: {latest_version}!')
          return True
        print(f"? current version: {current_version}, new version detected: {latest_version}..")
        return ModuleManager.update_current_module(
          modulename
        )
      else:
        raise ModuleNotFoundError(
          f'no module found for name: {modulename}'
        )
    else:
      ModuleManager.get_latest_module(modulename)

if __name__=="__main__":
  ModuleManager.get_latest_version(
    'requests'
  )