mirror of
https://github.com/Arrowar/StreamingCommunity.git
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386 lines
14 KiB
Python
386 lines
14 KiB
Python
# 18.04.24
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import os
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import sys
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import time
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import queue
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import logging
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import binascii
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import threading
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from queue import PriorityQueue
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from urllib.parse import urljoin, urlparse
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from concurrent.futures import ThreadPoolExecutor
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# External libraries
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import httpx
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from tqdm import tqdm
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# Internal utilities
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from Src.Util.console import console
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from Src.Util.headers import get_headers, random_headers
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from Src.Util.color import Colors
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from Src.Util._jsonConfig import config_manager
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from Src.Util.os import check_file_existence
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from Src.Util.call_stack import get_call_stack
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# Logic class
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from ...M3U8 import (
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M3U8_Decryption,
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M3U8_Ts_Estimator,
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M3U8_Parser,
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M3U8_UrlFix
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)
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from .proxyes import main_test_proxy
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# Config
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TQDM_DELAY_WORKER = config_manager.get_float('M3U8_DOWNLOAD', 'tqdm_delay')
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TQDM_USE_LARGE_BAR = config_manager.get_int('M3U8_DOWNLOAD', 'tqdm_use_large_bar')
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REQUEST_TIMEOUT = config_manager.get_float('REQUESTS', 'timeout')
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REQUEST_MAX_RETRY = config_manager.get_int('REQUESTS', 'max_retry')
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REQUEST_VERIFY = config_manager.get_bool('REQUESTS', 'verify_ssl')
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THERE_IS_PROXY_LIST = check_file_existence("list_proxy.txt")
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PROXY_START_MIN = config_manager.get_float('REQUESTS', 'proxy_start_min')
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PROXY_START_MAX = config_manager.get_float('REQUESTS', 'proxy_start_max')
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# Variable
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headers_index = config_manager.get_dict('REQUESTS', 'user-agent')
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class M3U8_Segments:
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def __init__(self, url: str, tmp_folder: str, is_index_url: bool = True):
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"""
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Initializes the M3U8_Segments object.
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Parameters:
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- url (str): The URL of the M3U8 playlist.
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- tmp_folder (str): The temporary folder to store downloaded segments.
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- is_index_url (bool): Flag indicating if `m3u8_index` is a URL (default True).
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"""
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self.url = url
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self.tmp_folder = tmp_folder
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self.is_index_url = is_index_url
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self.expected_real_time = None
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self.tmp_file_path = os.path.join(self.tmp_folder, "0.ts")
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os.makedirs(self.tmp_folder, exist_ok=True)
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# Util class
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self.decryption: M3U8_Decryption = None
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self.class_ts_estimator = M3U8_Ts_Estimator(0)
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self.class_url_fixer = M3U8_UrlFix(url)
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# Sync
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self.queue = PriorityQueue()
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self.stop_event = threading.Event()
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def __get_key__(self, m3u8_parser: M3U8_Parser) -> bytes:
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"""
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Retrieves the encryption key from the M3U8 playlist.
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Parameters:
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- m3u8_parser (M3U8_Parser): The parser object containing M3U8 playlist information.
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Returns:
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bytes: The encryption key in bytes.
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"""
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headers_index = {'user-agent': get_headers()}
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# Construct the full URL of the key
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key_uri = urljoin(self.url, m3u8_parser.keys.get('uri'))
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parsed_url = urlparse(key_uri)
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self.key_base_url = f"{parsed_url.scheme}://{parsed_url.netloc}/"
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logging.info(f"Uri key: {key_uri}")
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# Make request to get porxy
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try:
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response = httpx.get(key_uri, headers=headers_index)
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response.raise_for_status()
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except Exception as e:
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raise Exception(f"Failed to fetch key from {key_uri}: {e}")
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# Convert the content of the response to hexadecimal and then to bytes
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hex_content = binascii.hexlify(response.content).decode('utf-8')
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byte_content = bytes.fromhex(hex_content)
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return byte_content
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def parse_data(self, m3u8_content: str) -> None:
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"""
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Parses the M3U8 content to extract segment information.
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Parameters:
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- m3u8_content (str): The content of the M3U8 file.
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"""
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m3u8_parser = M3U8_Parser()
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m3u8_parser.parse_data(uri=self.url, raw_content=m3u8_content)
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self.expected_real_time = m3u8_parser.get_duration(return_string=False)
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self.expected_real_time_s = m3u8_parser.duration
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# Check if there is an encryption key in the playlis
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if m3u8_parser.keys is not None:
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try:
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# Extract byte from the key
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key = self.__get_key__(m3u8_parser)
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except Exception as e:
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raise Exception(f"Failed to retrieve encryption key {e}.")
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iv = m3u8_parser.keys.get('iv')
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method = m3u8_parser.keys.get('method')
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# Create a decryption object with the key and set the method
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self.decryption = M3U8_Decryption(key, iv, method)
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# Store the segment information parsed from the playlist
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self.segments = m3u8_parser.segments
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# Fix URL if it is incomplete (missing 'http')
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for i in range(len(self.segments)):
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segment_url = self.segments[i]
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if "http" not in segment_url:
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self.segments[i] = self.class_url_fixer.generate_full_url(segment_url)
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logging.info(f"Generated new URL: {self.segments[i]}, from: {segment_url}")
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# Update segments for estimator
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self.class_ts_estimator.total_segments = len(self.segments)
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logging.info(f"Segmnets to download: [{len(self.segments)}]")
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# Proxy
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if THERE_IS_PROXY_LIST:
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console.log("[red]Start validation proxy.")
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self.valid_proxy = main_test_proxy(self.segments[0])
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console.log(f"[cyan]N. Valid ip: [red]{len(self.valid_proxy)}")
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if len(self.valid_proxy) == 0:
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sys.exit(0)
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def get_info(self) -> None:
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"""
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Makes a request to the index M3U8 file to get information about segments.
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"""
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headers_index = {'user-agent': get_headers()}
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if self.is_index_url:
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# Send a GET request to retrieve the index M3U8 file
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response = httpx.get(self.url, headers=headers_index)
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response.raise_for_status()
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# Save the M3U8 file to the temporary folder
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if response.status_code == 200:
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path_m3u8_file = os.path.join(self.tmp_folder, "playlist.m3u8")
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open(path_m3u8_file, "w+").write(response.text)
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# Parse the text from the M3U8 index file
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self.parse_data(response.text)
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else:
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# Parser data of content of index pass in input to class
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self.parse_data(self.url)
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def make_requests_stream(self, ts_url: str, index: int, progress_bar: tqdm, retries: int = 3, backoff_factor: float = 1.5) -> None:
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"""
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Downloads a TS segment and adds it to the segment queue with retry logic.
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Parameters:
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- ts_url (str): The URL of the TS segment.
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- index (int): The index of the segment.
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- progress_bar (tqdm): Progress counter for tracking download progress.
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- retries (int): The number of times to retry on failure (default is 3).
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- backoff_factor (float): The backoff factor for exponential backoff (default is 1.5 seconds).
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"""
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need_verify = REQUEST_VERIFY
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for attempt in range(retries):
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try:
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start_time = time.time()
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# Make request to get content
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if THERE_IS_PROXY_LIST:
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# Get proxy from list
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proxy = self.valid_proxy[index % len(self.valid_proxy)]
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logging.info(f"Use proxy: {proxy}")
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with httpx.Client(proxies=proxy, verify=need_verify) as client:
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if 'key_base_url' in self.__dict__:
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response = client.get(ts_url, headers=random_headers(self.key_base_url), timeout=REQUEST_TIMEOUT, follow_redirects=True)
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else:
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response = client.get(ts_url, headers={'user-agent': get_headers()}, timeout=REQUEST_TIMEOUT, follow_redirects=True)
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else:
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with httpx.Client(verify=need_verify) as client_2:
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if 'key_base_url' in self.__dict__:
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response = client_2.get(ts_url, headers=random_headers(self.key_base_url), timeout=REQUEST_TIMEOUT, follow_redirects=True)
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else:
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response = client_2.get(ts_url, headers={'user-agent': get_headers()}, timeout=REQUEST_TIMEOUT, follow_redirects=True)
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# Get response content
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response.raise_for_status() # Raise exception for HTTP errors
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duration = time.time() - start_time
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segment_content = response.content
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# Update bar
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response_size = int(response.headers.get('Content-Length', 0)) or len(segment_content)
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# Update progress bar with custom Class
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self.class_ts_estimator.update_progress_bar(response_size, duration, progress_bar)
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# Decrypt the segment content if decryption is needed
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if self.decryption is not None:
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segment_content = self.decryption.decrypt(segment_content)
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# Add the segment to the queue
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self.queue.put((index, segment_content))
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progress_bar.update(1)
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# Break out of the loop on success
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return
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except (httpx.RequestError, httpx.HTTPStatusError) as e:
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console.print(f"\nAttempt {attempt + 1} failed for '{ts_url}' with error: {e}")
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if attempt + 1 == retries:
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console.print(f"\nFailed after {retries} attempts. Skipping '{ts_url}'")
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break
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# Exponential backoff before retrying
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sleep_time = backoff_factor * (2 ** attempt)
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console.print(f"Retrying in {sleep_time} seconds...")
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time.sleep(sleep_time)
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def write_segments_to_file(self):
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"""
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Writes downloaded segments to a file in the correct order.
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"""
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with open(self.tmp_file_path, 'wb') as f:
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expected_index = 0
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buffer = {}
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while not self.stop_event.is_set() or not self.queue.empty():
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try:
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index, segment_content = self.queue.get(timeout=1)
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if index == expected_index:
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f.write(segment_content)
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f.flush()
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expected_index += 1
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# Write any buffered segments in order
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while expected_index in buffer:
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f.write(buffer.pop(expected_index))
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f.flush()
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expected_index += 1
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else:
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buffer[index] = segment_content
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except queue.Empty:
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continue
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def download_streams(self, add_desc):
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"""
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Downloads all TS segments in parallel and writes them to a file.
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Parameters:
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- add_desc (str): Additional description for the progress bar.
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"""
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# Get config site from prev stack
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frames = get_call_stack()
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logging.info(f"Extract info from: {frames}")
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config_site = str(frames[-4]['folder_base'])
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logging.info(f"Use frame: {frames[-1]}")
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# Workers to use for downloading
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TQDM_MAX_WORKER = 0
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# Select audio workers from folder of frames stack prev call.
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try:
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VIDEO_WORKERS = int(config_manager.get_dict('SITE', config_site)['video_workers'])
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if VIDEO_WORKERS == -1: VIDEO_WORKERS = os.cpu_count()
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except:
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VIDEO_WORKERS = os.cpu_count()
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try:
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AUDIO_WORKERS = int(config_manager.get_dict('SITE', config_site)['audio_workers'])
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if AUDIO_WORKERS == -1: AUDIO_WORKERS = os.cpu_count()
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except:
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AUDIO_WORKERS = os.cpu_count()
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# Differnt workers for audio and video
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if "video" in str(add_desc):
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TQDM_MAX_WORKER = VIDEO_WORKERS
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if "audio" in str(add_desc):
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TQDM_MAX_WORKER = AUDIO_WORKERS
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# Custom bar for mobile and pc
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if TQDM_USE_LARGE_BAR:
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bar_format = (
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f"{Colors.YELLOW}[HLS] {Colors.WHITE}({Colors.CYAN}{add_desc}{Colors.WHITE}): "
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f"{Colors.RED}{{percentage:.2f}}% "
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f"{Colors.MAGENTA}{{bar}} "
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f"{Colors.WHITE}[ {Colors.YELLOW}{{n_fmt}}{Colors.WHITE} / {Colors.RED}{{total_fmt}} {Colors.WHITE}] "
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f"{Colors.YELLOW}{{elapsed}} {Colors.WHITE}< {Colors.CYAN}{{remaining}}{{postfix}} {Colors.WHITE}]"
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)
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else:
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bar_format = (
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f"{Colors.YELLOW}Proc{Colors.WHITE}: "
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f"{Colors.RED}{{percentage:.2f}}% "
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f"{Colors.WHITE}| "
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f"{Colors.CYAN}{{remaining}}{{postfix}} {Colors.WHITE}]"
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)
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# Create progress bar
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progress_bar = tqdm(
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total=len(self.segments),
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unit='s',
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ascii='░▒█',
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bar_format=bar_format,
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mininterval=0.05
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)
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# Start a separate thread to write segments to the file
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writer_thread = threading.Thread(target=self.write_segments_to_file)
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writer_thread.start()
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# Ff proxy avaiable set max_workers to number of proxy
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# else set max_workers to TQDM_MAX_WORKER
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max_workers = len(self.valid_proxy) if THERE_IS_PROXY_LIST else TQDM_MAX_WORKER
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# if proxy avaiable set timeout to variable time
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# else set timeout to TDQM_DELAY_WORKER
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if THERE_IS_PROXY_LIST:
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num_proxies = len(self.valid_proxy)
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self.working_proxy_list = self.valid_proxy
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if num_proxies > 0:
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# calculate delay based on number of proxies
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# dalay should be between 0.5 and 1
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delay = max(PROXY_START_MIN, min(PROXY_START_MAX, 1 / (num_proxies + 1)))
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else:
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delay = TQDM_DELAY_WORKER
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else:
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delay = TQDM_DELAY_WORKER
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# Start all workers
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with ThreadPoolExecutor(max_workers=max_workers) as executor:
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for index, segment_url in enumerate(self.segments):
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time.sleep(delay)
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executor.submit(self.make_requests_stream, segment_url, index, progress_bar)
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# Wait for all tasks to complete
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executor.shutdown(wait=True)
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self.stop_event.set()
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writer_thread.join()
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progress_bar.close()
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