Files
docker-py-revanced/src/downloader/download.py
T
Nikhil Badyal df08451a3b Github Downloader
2023-07-12 18:35:30 +05:30

102 lines
3.4 KiB
Python

"""Downloader Class."""
import os
from queue import PriorityQueue
from time import perf_counter
from typing import Any, Tuple
from loguru import logger
from tqdm import tqdm
from src.config import RevancedConfig
from src.downloader.utils import implement_method
from src.patches import Patches
from src.utils import handle_response
class Downloader(object):
"""Files downloader."""
def __init__(self, patcher: Patches, config: RevancedConfig):
self._CHUNK_SIZE = 10485760
self._QUEUE: PriorityQueue[Tuple[float, str]] = PriorityQueue()
self._QUEUE_LENGTH = 0
self.config = config
self.patcher = patcher
def _download(self, url: str, file_name: str) -> None:
if (
os.path.exists(self.config.temp_folder.joinpath(file_name))
or self.config.dry_run
):
logger.debug(
f"Skipping download of {file_name}. File already exists or dry running."
)
return
logger.info(f"Trying to download {file_name} from {url}")
self._QUEUE_LENGTH += 1
start = perf_counter()
headers = {}
if self.config.personal_access_token and "github" in url:
logger.debug("Using personal access token")
headers.update(
{"Authorization": "token " + self.config.personal_access_token}
)
response = self.config.session.get(
url,
stream=True,
headers=headers,
)
handle_response(response)
total = int(response.headers.get("content-length", 0))
bar = tqdm(
desc=file_name,
total=total,
unit="iB",
unit_scale=True,
unit_divisor=1024,
colour="green",
)
with self.config.temp_folder.joinpath(file_name).open("wb") as dl_file, bar:
for chunk in response.iter_content(self._CHUNK_SIZE):
size = dl_file.write(chunk)
bar.update(size)
self._QUEUE.put((perf_counter() - start, file_name))
logger.debug(f"Downloaded {file_name}")
def extract_download_link(self, page: str, app: str) -> None:
"""Extract download link from web page."""
raise NotImplementedError(implement_method)
def specific_version(self, app: str, version: str) -> None:
"""Function to download the specified version of app from apkmirror.
:param app: Name of the application
:param version: Version of the application to download
:return: Version of downloaded apk
"""
raise NotImplementedError(implement_method)
def latest_version(self, app: str, **kwargs: Any) -> None:
"""Function to download the latest version of app.
:param app: Name of the application
:return: Version of downloaded apk
"""
raise NotImplementedError(implement_method)
def download(self, version: str, app: str, **kwargs: Any) -> None:
"""Public function to download apk to patch.
:param version: version to download
:param app: App to download
"""
if self.config.dry_run:
return
if app in self.config.existing_downloaded_apks:
logger.debug(f"Will not download {app} -v{version} from the internet.")
return
if version and version != "latest":
self.specific_version(app, version)
else:
self.latest_version(app, **kwargs)