""" MIT License Copyright (C) 2023 ROCKY4546 https://github.com/rocky4546 This file is part of Cabernet Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. """ import functools import http import http.client import json import logging import os import re import requests.exceptions import sys import socket import time import traceback import urllib import urllib.parse import urllib.error import urllib3 from functools import update_wrapper def handle_url_except(f=None, timeout=None): """ timeout not currently used """ if f is None: return functools.partial(handle_url_except, timeout=timeout) def wrapper_func(self, *args, **kwargs): ex_save = None # arg0 = uri, arg1=retries if len(args) == 0: arg0 = 'None' retries = 2 elif len(args) == 1: arg0 = args[0] retries = 2 else: arg0 = args[0] retries = args[1] i = retries is_done = 0 while i > is_done: i -= 1 try: x = f(self, *args, **kwargs) return x except UnicodeDecodeError as ex: ex_save = ex self.logger.info("UnicodeDecodeError in function {}(), retrying {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0), )) except ConnectionRefusedError as ex: ex_save = ex self.logger.info("ConnectionRefusedError in function {}(), retrying (): {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except ConnectionResetError as ex: ex_save = ex self.logger.info("ConnectionResetError in function {}(), retrying {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except requests.exceptions.InvalidURL as ex: ex_save = ex self.logger.info("InvalidURL Error in function {}(), retrying {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except (socket.timeout, requests.exceptions.ConnectTimeout, requests.exceptions.ReadTimeout) as ex: ex_save = ex self.logger.info("Socket Timeout Error in function {}(), retrying {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except requests.exceptions.ConnectionError as ex: ex_save = ex if hasattr(ex.args[0], 'reason'): reason = ex.args[0].reason else: reason = None if isinstance(reason, urllib3.exceptions.NewConnectionError): self.logger.info("ConnectionError:ConnectionRefused in function {}(), retrying (): {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) time.sleep(2) else: self.logger.info("ConnectionError in function {}(), retrying (): {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except http.client.RemoteDisconnected as ex: ex_save = ex self.logger.info('Remote Server Disconnect Error in function {}(), retrying {} {} {}' .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except http.client.InvalidURL as ex: url_tuple = urllib.parse.urlparse(arg0) url_list = list(url_tuple) url_list[2] = urllib.parse.quote(url_list[2]) url_list[3] = urllib.parse.quote(url_list[3]) url_list[4] = urllib.parse.quote(url_list[4]) url_list[5] = urllib.parse.quote(url_list[5]) new_url = urllib.parse.urlunparse(url_list) args_list = list(args) args_list[0] = new_url args = tuple(args_list) ex_save = ex self.logger.info('InvalidURL Error, encoding and trying again. In function {}() {} {} {}' .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except (requests.exceptions.HTTPError, urllib.error.HTTPError) as ex: ex_save = ex self.logger.info("HTTPError in function {}(), retrying {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0), )) except urllib.error.URLError as ex: ex_save = ex if isinstance(ex.reason, ConnectionRefusedError): self.logger.info("URLError:ConnectionRefusedError in function {}(): {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) count = 5 while count > 0: try: x = f(self, *args, **kwargs) return x except urllib.error.URLError as ex2: self.logger.debug("{} URLError:ConnectionRefusedError in function {}(): {} {} {}" .format(count, f.__qualname__, os.getpid(), str(ex_save), str(arg0))) count -= 1 time.sleep(.5) except Exception as ex3: break else: self.logger.info("URLError in function {}(), retrying (): {} {} {}" .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except http.client.IncompleteRead as ex: ex_save = ex self.logger.info('Partial Data Error from url received in function {}(), retrying. {} {} {}' .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except ValueError as ex: ex_save = ex self.logger.info('ValueError in function {}(), aborting. {} {} {}' .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except (requests.exceptions.ProxyError, requests.exceptions.SSLError, \ requests.exceptions.TooManyRedirects, requests.exceptions.InvalidHeader, \ requests.exceptions.InvalidProxyURL, requests.exceptions.ChunkedEncodingError, \ requests.exceptions.ContentDecodingError, requests.exceptions.StreamConsumedError, \ requests.exceptions.RetryError, requests.exceptions.UnrewindableBodyError, \ requests.exceptions.RequestsWarning, requests.exceptions.FileModeWarning, \ requests.exceptions.RequestsDependencyWarning) as ex: ex_save = ex self.logger.info('General Requests Error in function {}(), retrying. {} {} {}' .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) except (requests.exceptions.MissingSchema, requests.exceptions.InvalidSchema) as ex: ex_save = ex self.logger.info('Missing Schema Error in function {}(), retrying. {} {} {}' .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) time.sleep(1.0) self.logger.notice('Multiple HTTP Errors, unable to get url data, skipping {}() {} {} {}' .format(f.__qualname__, os.getpid(), str(ex_save), str(arg0))) return None return update_wrapper(wrapper_func, f) def handle_json_except(f): def wrapper_func(self, *args, **kwargs): try: return f(self, *args, **kwargs) except (json.JSONDecodeError) as jsonError: self.logger.error("JSONError in function {}(): {}".format(f.__qualname__, str(jsonError))) return None return update_wrapper(wrapper_func, f) class Backup: """ Decorator for collecting and processing export/backup methods """ backup2func = {} def __init__(self, *pattern): self.pattern = pattern def __call__(self, call_class_fn): if call_class_fn is None: return call_class_fn else: for p in self.pattern: Backup.backup2func[p] = call_class_fn return call_class_fn @classmethod def log_backups(cls): logger = logging.getLogger(__name__) for name in Backup.backup2func.keys(): logger.debug('Registering BACKUP {}'.format(name)) @classmethod def call_backup(cls, _name, *args, **kwargs): """ Based on function, will create class instance and call the function with no parameters. *args are passed into the class constructor while **kwargs are passed into the instance function """ if _name in Backup.backup2func: fn = Backup.backup2func[_name] module = fn.__module__ class_fn = fn.__qualname__ (cls_name, fn_name) = class_fn.split('.') cls = vars(sys.modules[module])[cls_name] inst = cls(*args) inst_fn = getattr(inst, fn_name) inst_fn(**kwargs) return True else: return False class Restore: """ Decorator for collecting and processing import/restore methods """ restore2func = {} def __init__(self, *pattern): self.pattern = pattern def __call__(self, call_class_fn): if call_class_fn is None: return call_class_fn else: for p in self.pattern: Restore.restore2func[p] = call_class_fn return call_class_fn @classmethod def log_backups(cls): logger = logging.getLogger(__name__) for name in Restore.restore2func.keys(): logger.debug('Registering RESTORE {}'.format(name)) @classmethod def call_restore(cls, _name, *args, **kwargs): """ Based on function, will create class instance and call the function with no parameters. *args are passed into the class constructor while **kwargs are passed into the instance function """ if _name in Restore.restore2func: fn = Restore.restore2func[_name] module = fn.__module__ class_fn = fn.__qualname__ (cls_name, fn_name) = class_fn.split('.') cls = vars(sys.modules[module])[cls_name] inst = cls(*args) inst_fn = getattr(inst, fn_name) msg = inst_fn(**kwargs) return msg else: return None class Request: """ Adds urls to functions for GET and POST methods """ def __init__(self): self.url2func = {} self.method = None def route(self, *pattern): def wrap(func): for p in pattern: if p.startswith('RE:'): p = re.compile(p.replace('RE:', '')) self.url2func[p] = func return func return wrap def log_urls(self): logger = logging.getLogger(__name__) for name in self.url2func.keys(): logger.debug('Registering {} URL: {}'.format(self.method, name)) def call_url(self, _webserver, _name, *args, **kwargs): if _name in self.url2func: self.url2func[_name](_webserver, *args, **kwargs) return True else: for uri in self.url2func.keys(): if type(uri) is re.Pattern: if len(uri.findall(_name)) > 0: self.url2func[uri](_webserver, *args, **kwargs) return True return False class GetRequest(Request): def __init__(self): super().__init__() self.method = 'GET' class PostRequest(Request): def __init__(self): super().__init__() self.method = 'POST' class FileRequest(Request): """ Adds HTDOCS areas to be processed by function """ def __init__(self): super().__init__() self.method = 'GET' def call_url(self, _webserver, _name, *args, **kwargs): for key in self.url2func.keys(): if _name.startswith(key): self.url2func[key](_webserver, *args, **kwargs) return True return False getrequest = GetRequest() gettunerrequest = GetRequest() postrequest = PostRequest() filerequest = FileRequest()