download_sdks.py

   1 #!/usr/bin/env python3
   2 from zipfile import ZipFile
   3 from tarfile import TarFile
   4 from urllib import request
   5
   6 import os
   7 import platform
   8
   9
  10 def print_progress(current, maxprogress):
  11     status = "%10d  [%3.2f%%]" % (current, current * 100. / maxprogress)
  12     print(status, end='\r')
  13
  14
  15 def read_chunks(url, block_sz=8192 * 8):
  16     with request.urlopen(url) as openurl:
  17         while True:
  18             data = openurl.read(block_sz)
  19             if data:
  20                 yield data
  21             else:
  22                 return
  23
  24
  25 BASE_URL = 'https://github.com/CRYTEK/CRYENGINE/releases/download/5.5.0_preview4/CRYENGINE_v5.5.0_SDKs'
  26
  27
  28 def main():
  29     # use ZIP on windows and tar on other platforms
  30     if platform.system() == 'Windows':
  31         url = BASE_URL + '.zip'
  32         ArchiveFile = ZipFile
  33         list_archive = ZipFile.namelist
  34     else:
  35         url = BASE_URL + '.tar.gz'
  36         ArchiveFile = TarFile.open
  37         list_archive = TarFile.getnames
  38
  39     temp_folder = '.'
  40     file_name = url.split('/')[-1]
  41     temp_file = os.path.join(temp_folder, file_name)
  42
  43     u = request.urlopen(url)
  44     meta = u.info()
  45     file_size = int(u.getheader("Content-Length"))
  46
  47     print("Downloading: %s Bytes: %s" % (file_name, file_size))
  48
  49     with open(temp_file, 'wb') as tfile:
  50         downloaded_bytes = 0
  51         for chunk in read_chunks(url):
  52             downloaded_bytes += len(chunk)
  53             tfile.write(chunk)
  54
  55             print_progress(downloaded_bytes, file_size)
  56
  57     print()
  58
  59     with ArchiveFile(temp_file) as zf:
  60         nameList = list_archive(zf)
  61         num_files = len(nameList)
  62         output_path = 'Code/SDKs'
  63
  64         print('Extracting %d files to:"%s"' % (num_files, output_path))
  65
  66         for counter, item in enumerate(nameList, start=1):
  67             zf.extract(item, output_path)
  68             print_progress(counter, num_files)
  69
  70     print()
  71     os.remove(temp_file)
  72
  73 if __name__== '__main__':
  74     main()
  75