Files
OpCore-Simplify/Scripts/resource_fetcher.py
2024-12-10 16:44:40 +07:00

75 lines
2.2 KiB
Python

import os
import json
import plistlib
import socket
import sys
if sys.version_info >= (3, 0):
from urllib.request import urlopen, Request
else:
import urllib2
from urllib2 import urlopen, Request
class ResourceFetcher:
def __init__(self, headers={}):
self.request_headers = headers
self.buffer_size = 16 * 1024
def is_connected(self, timeout=5):
socket.create_connection(("github.com", 443), timeout=timeout)
def _make_request(self, resource_url):
self.is_connected()
try:
return urlopen(Request(resource_url, headers=self.request_headers))
except Exception as e:
pass
return None
def fetch_and_parse_content(self, resource_url, content_type=None):
response = self._make_request(resource_url)
if not response:
return None
content = response.read()
if content_type == 'json':
return json.loads(content)
elif content_type == 'plist':
return plistlib.loads(content)
else:
return content.decode('utf-8')
def _download_with_progress(self, response, local_file):
total_size = response.getheader('Content-Length')
if total_size:
total_size = int(total_size)
bytes_downloaded = 0
while True:
chunk = response.read(self.buffer_size)
if not chunk:
break
local_file.write(chunk)
bytes_downloaded += len(chunk)
if total_size:
percent = int(bytes_downloaded / total_size * 100)
progress = f"[{'=' * (percent // 2):50s}] {percent}% {bytes_downloaded / (1024 * 1024):.2f}/{total_size / (1024 * 1024):.2f} MB"
else:
progress = f"Downloaded {bytes_downloaded / (1024 * 1024):.2f} MB"
print(progress, end='\r')
print()
def download_and_save_file(self, resource_url, destination_path):
response = self._make_request(resource_url)
if not response:
return None
with open(destination_path, 'wb') as local_file:
print(f"Downloading from {resource_url}")
self._download_with_progress(response, local_file)