395 lines
13 KiB
Python
395 lines
13 KiB
Python
from __future__ import annotations
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import asyncio
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import logging
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import re
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import sys
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from configparser import ConfigParser
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from pathlib import Path
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from random import shuffle
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from typing import (
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Callable,
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Dict,
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List,
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Optional,
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Set,
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Tuple,
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Type,
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TypeVar,
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Union,
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)
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from aiohttp import ClientSession, ClientTimeout, DummyCookieJar
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from aiohttp_socks import ProxyType
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from rich.console import Console
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from rich.progress import (
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BarColumn,
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MofNCompleteColumn,
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Progress,
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TaskID,
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TextColumn,
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)
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from rich.table import Table
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from . import sort
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from .folder import Folder
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from .proxy import Proxy
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logger = logging.getLogger(__name__)
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TProxyScraperChecker = TypeVar(
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"TProxyScraperChecker", bound="ProxyScraperChecker"
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)
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def validate_max_connections(value: int) -> int:
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if sys.platform != "win32":
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import resource
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soft_limit, hard_limit = resource.getrlimit(resource.RLIMIT_NOFILE)
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if soft_limit < hard_limit:
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resource.setrlimit(
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resource.RLIMIT_NOFILE, (hard_limit, hard_limit)
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)
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elif value > 512 and isinstance(
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asyncio.get_event_loop_policy(), asyncio.WindowsSelectorEventLoopPolicy
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):
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logger.warning(
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"MaxConnections value is too high. "
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+ "Windows supports a maximum of 512. "
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+ "The config value will be ignored and 512 will be used."
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)
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return 512
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return value
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class ProxyScraperChecker:
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"""HTTP, SOCKS4, SOCKS5 proxies scraper and checker."""
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__slots__ = (
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"console",
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"cookie_jar",
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"folders",
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"path",
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"proxies_count",
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"proxies",
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"regex",
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"sem",
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"sort_by_speed",
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"source_timeout",
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"sources",
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"timeout",
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)
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def __init__(
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self,
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*,
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timeout: float,
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source_timeout: float,
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max_connections: int,
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sort_by_speed: bool,
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save_path: Path,
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folders: Tuple[Folder, ...],
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sources: Dict[ProxyType, Optional[str]],
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console: Optional[Console] = None,
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) -> None:
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"""HTTP, SOCKS4, SOCKS5 proxies scraper and checker.
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Args:
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timeout: The number of seconds to wait for a proxied request.
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The higher the number, the longer the check will take
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and the more proxies you get.
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source_timeout: The number of seconds to wait for the proxies
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to be downloaded from the source.
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max_connections: Maximum concurrent connections.
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Windows supports maximum of 512.
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On *nix operating systems, this restriction is much looser.
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The limit on *nix can be seen with the command ulimit -Hn.
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Don't be in a hurry to set high values.
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Make sure you have enough RAM first, gradually
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increasing the default value.
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sort_by_speed: Set to False to sort proxies alphabetically.
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save_path: Path to the folder where the proxy folders will
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be saved. Leave empty to save the proxies to the current
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directory.
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"""
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self.path = save_path
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self.folders = folders
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if not any(folder for folder in self.folders if folder.is_enabled):
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raise ValueError("all folders are disabled in the config")
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self.regex = re.compile(
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r"(?:^|\D)?("
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+ r"(?:[1-9]|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])" # 1-255
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+ r"\.(?:\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])" * 3 # 0-255
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+ r"):"
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+ (
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r"(\d|[1-9]\d{1,3}|[1-5]\d{4}|6[0-4]\d{3}"
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+ r"|65[0-4]\d{2}|655[0-2]\d|6553[0-5])"
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) # 0-65535
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+ r"(?:\D|$)"
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)
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self.sort_by_speed = sort_by_speed
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self.timeout = ClientTimeout(total=timeout, sock_connect=float("inf"))
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self.source_timeout = source_timeout
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self.sources = {
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proto: frozenset(filter(None, sources.splitlines()))
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for proto, sources in sources.items()
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if sources
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}
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self.proxies: Dict[ProxyType, Set[Proxy]] = {
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proto: set() for proto in self.sources
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}
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self.cookie_jar = DummyCookieJar()
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self.console = console or Console()
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max_connections = validate_max_connections(max_connections)
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self.sem = asyncio.Semaphore(max_connections)
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@classmethod
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def from_ini(
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cls: Type[TProxyScraperChecker],
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file_name: str,
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*,
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console: Optional[Console] = None,
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) -> TProxyScraperChecker:
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cfg = ConfigParser(interpolation=None)
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cfg.read(file_name, encoding="utf-8")
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general = cfg["General"]
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folders = cfg["Folders"]
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http = cfg["HTTP"]
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socks4 = cfg["SOCKS4"]
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socks5 = cfg["SOCKS5"]
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save_path = Path(general.get("SavePath", ""))
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return cls(
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timeout=general.getfloat("Timeout", 5),
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source_timeout=general.getfloat("SourceTimeout", 15),
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max_connections=general.getint("MaxConnections", 512),
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sort_by_speed=general.getboolean("SortBySpeed", True),
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save_path=save_path,
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folders=(
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Folder(
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path=save_path / "proxies",
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is_enabled=folders.getboolean("proxies", True),
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for_anonymous=False,
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for_geolocation=False,
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),
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Folder(
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path=save_path / "proxies_anonymous",
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is_enabled=folders.getboolean("proxies_anonymous", True),
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for_anonymous=True,
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for_geolocation=False,
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),
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Folder(
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path=save_path / "proxies_geolocation",
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is_enabled=folders.getboolean("proxies_geolocation", True),
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for_anonymous=False,
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for_geolocation=True,
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),
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Folder(
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path=save_path / "proxies_geolocation_anonymous",
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is_enabled=folders.getboolean(
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"proxies_geolocation_anonymous", True
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),
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for_anonymous=True,
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for_geolocation=True,
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),
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),
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sources={
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ProxyType.HTTP: http.get("Sources")
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if http.getboolean("Enabled", True)
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else None,
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ProxyType.SOCKS4: socks4.get("Sources")
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if socks4.getboolean("Enabled", True)
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else None,
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ProxyType.SOCKS5: socks5.get("Sources")
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if socks5.getboolean("Enabled", True)
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else None,
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},
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console=console,
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)
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async def fetch_source(
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self,
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*,
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session: ClientSession,
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source: str,
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proto: ProxyType,
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progress: Progress,
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task: TaskID,
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) -> None:
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"""Get proxies from source.
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Args:
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source: Proxy list URL.
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"""
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try:
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async with session.get(source) as response:
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status = response.status
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text = await response.text()
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except Exception as e:
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logger.error("%s | %s | %s", source, e.__class__.__qualname__, e)
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else:
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proxies = tuple(self.regex.finditer(text))
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if proxies:
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for proxy in proxies:
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proxy_obj = Proxy(
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host=proxy.group(1), port=int(proxy.group(2))
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)
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self.proxies[proto].add(proxy_obj)
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else:
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logger.warning(
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"%s | No proxies found | HTTP status code %d",
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source,
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status,
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)
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progress.update(task, advance=1)
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async def check_proxy(
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self,
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*,
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proxy: Proxy,
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proto: ProxyType,
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progress: Progress,
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task: TaskID,
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) -> None:
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"""Check if proxy is alive."""
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try:
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await proxy.check(
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sem=self.sem,
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cookie_jar=self.cookie_jar,
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proto=proto,
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timeout=self.timeout,
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)
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except Exception as e:
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# Too many open files
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if isinstance(e, OSError) and e.errno == 24:
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logger.error("Please, set MaxConnections to lower value.")
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self.proxies[proto].remove(proxy)
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progress.update(task, advance=1)
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async def fetch_all_sources(self, progress: Progress) -> None:
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tasks = {
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proto: progress.add_task(
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f"[yellow]Scraper [red]:: [green]{proto.name}",
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total=len(sources),
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)
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for proto, sources in self.sources.items()
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}
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headers = {
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"User-Agent": (
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"Mozilla/5.0 (Windows NT 10.0; rv:108.0)"
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+ " Gecko/20100101 Firefox/108.0"
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)
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}
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async with ClientSession(
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headers=headers,
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cookie_jar=self.cookie_jar,
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timeout=ClientTimeout(total=self.source_timeout),
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) as session:
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coroutines = (
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self.fetch_source(
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session=session,
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source=source,
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proto=proto,
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progress=progress,
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task=tasks[proto],
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)
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for proto, sources in self.sources.items()
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for source in sources
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)
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await asyncio.gather(*coroutines)
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self.proxies_count = {
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proto: len(proxies) for proto, proxies in self.proxies.items()
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}
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async def check_all_proxies(self, progress: Progress) -> None:
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tasks = {
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proto: progress.add_task(
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f"[yellow]Checker [red]:: [green]{proto.name}",
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total=len(proxies),
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)
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for proto, proxies in self.proxies.items()
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}
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coroutines = [
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self.check_proxy(
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proxy=proxy, proto=proto, progress=progress, task=tasks[proto]
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)
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for proto, proxies in self.proxies.items()
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for proxy in proxies
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]
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shuffle(coroutines)
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await asyncio.gather(*coroutines)
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def save_proxies(self) -> None:
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"""Delete old proxies and save new ones."""
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sorted_proxies = self.get_sorted_proxies().items()
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for folder in self.folders:
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folder.remove()
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for folder in self.folders:
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if not folder.is_enabled:
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continue
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folder.create()
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for proto, proxies in sorted_proxies:
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text = "\n".join(
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proxy.as_str(include_geolocation=folder.for_geolocation)
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for proxy in proxies
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if (proxy.is_anonymous if folder.for_anonymous else True)
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)
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file = folder.path / f"{proto.name.lower()}.txt"
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file.write_text(text, encoding="utf-8")
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async def run(self) -> None:
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with self._get_progress_bar() as progress:
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await self.fetch_all_sources(progress)
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await self.check_all_proxies(progress)
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table = self._get_results_table()
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self.console.print(table)
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self.save_proxies()
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logger.info(
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"Proxy folders have been created in the %s folder."
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+ "\nThank you for using proxy-scraper-checker :)",
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self.path.resolve(),
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)
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def get_sorted_proxies(self) -> Dict[ProxyType, List[Proxy]]:
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key: Union[
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Callable[[Proxy], float], Callable[[Proxy], Tuple[int, ...]]
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] = (
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sort.timeout_sort_key
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if self.sort_by_speed
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else sort.natural_sort_key
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)
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return {
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proto: sorted(proxies, key=key)
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for proto, proxies in self.proxies.items()
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}
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def _get_results_table(self) -> Table:
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table = Table()
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table.add_column("Protocol", style="cyan")
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table.add_column("Working", style="magenta")
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table.add_column("Total", style="green")
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for proto, proxies in self.proxies.items():
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working = len(proxies)
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total = self.proxies_count[proto]
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percentage = working / total if total else 0
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table.add_row(
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proto.name, f"{working} ({percentage:.1%})", str(total)
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)
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return table
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def _get_progress_bar(self) -> Progress:
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return Progress(
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TextColumn("[progress.description]{task.description}"),
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BarColumn(),
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MofNCompleteColumn(),
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console=self.console,
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)
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