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import os
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import shutil
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import ssl
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import subprocess
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import urllib.request
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from functools import lru_cache
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from typing import List, Tuple
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from urllib.parse import urlparse
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from tqdm import tqdm
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from ffff import logger, process_manager, state_manager, wording
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from ffff.common_helper import is_macos
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from ffff.filesystem import get_file_size, is_file, remove_file
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from ffff.hash_helper import validate_hash
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from ffff.typing import DownloadSet
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if is_macos():
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ssl._create_default_https_context = ssl._create_unverified_context
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def conditional_download(download_directory_path : str, urls : List[str]) -> None:
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for url in urls:
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download_file_name = os.path.basename(urlparse(url).path)
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download_file_path = os.path.join(download_directory_path, download_file_name)
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initial_size = get_file_size(download_file_path)
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download_size = get_download_size(url)
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if initial_size < download_size:
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with tqdm(total = download_size, initial = initial_size, desc = wording.get('downloading'), unit = 'B', unit_scale = True, unit_divisor = 1024, ascii = ' =', disable = state_manager.get_item('log_level') in [ 'warn', 'error' ]) as progress:
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subprocess.Popen([ shutil.which('curl'), '--create-dirs', '--silent', '--insecure', '--location', '--continue-at', '-', '--output', download_file_path, url ])
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current_size = initial_size
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progress.set_postfix(file = download_file_name)
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while current_size < download_size:
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if is_file(download_file_path):
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current_size = get_file_size(download_file_path)
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progress.update(current_size - progress.n)
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@lru_cache(maxsize = None)
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def get_download_size(url : str) -> int:
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try:
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response = urllib.request.urlopen(url, timeout = 10)
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content_length = response.headers.get('Content-Length')
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return int(content_length)
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except (OSError, TypeError, ValueError):
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return 0
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def is_download_done(url : str, file_path : str) -> bool:
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if is_file(file_path):
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return get_download_size(url) == get_file_size(file_path)
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return False
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def conditional_download_hashes(download_directory_path : str, hashes : DownloadSet) -> bool:
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process_manager.check()
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if not state_manager.get_item('skip_download'):
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for index in hashes:
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hash_path = hashes.get(index).get('path')
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if not is_file(hash_path):
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hash_url = hashes.get(index).get('url')
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conditional_download(download_directory_path, [hash_url])
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process_manager.end()
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return True
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def conditional_download_sources(download_directory_path : str, sources : DownloadSet) -> bool:
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process_manager.check()
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if not state_manager.get_item('skip_download'):
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for index in sources:
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source_path = sources.get(index).get('path')
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if not is_file(source_path):
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source_url = sources.get(index).get('url')
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conditional_download(download_directory_path, [source_url])
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process_manager.end()
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return True
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def validate_hash_paths(hash_paths : List[str]) -> Tuple[List[str], List[str]]:
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return hash_paths, []
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def validate_source_paths(source_paths : List[str]) -> Tuple[List[str], List[str]]:
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return source_paths, [] |
