1  # Purges the Fastly cache for Windows download files
       2  #
       3  # Usage:
       4  #   py -3 purge.py 3.5.1rc1
       5  #
       6  
       7  __author__ = 'Steve Dower <steve.dower@python.org>'
       8  __version__ = '1.0.0'
       9  
      10  import re
      11  import sys
      12  
      13  from urllib.request import *
      14  
      15  VERSION_RE = re.compile(r'(\d+\.\d+\.\d+)([A-Za-z_]+\d+)?$')
      16  
      17  try:
      18      m = VERSION_RE.match(sys.argv[1])
      19      if not m:
      20          print('Invalid version:', sys.argv[1])
      21          print('Expected something like "3.5.1rc1"')
      22          sys.exit(1)
      23  except LookupError:
      24      print('Missing version argument. Expected something like "3.5.1rc1"')
      25      sys.exit(1)
      26  
      27  URL = "https://www.python.org/ftp/python/{}/".format(m.group(1))
      28  REL = m.group(2) or ''
      29  
      30  FILES = [
      31      "core.msi",
      32      "core_d.msi",
      33      "core_pdb.msi",
      34      "dev.msi",
      35      "dev_d.msi",
      36      "doc.msi",
      37      "exe.msi",
      38      "exe_d.msi",
      39      "exe_pdb.msi",
      40      "launcher.msi",
      41      "lib.msi",
      42      "lib_d.msi",
      43      "lib_pdb.msi",
      44      "path.msi",
      45      "pip.msi",
      46      "tcltk.msi",
      47      "tcltk_d.msi",
      48      "tcltk_pdb.msi",
      49      "test.msi",
      50      "test_d.msi",
      51      "test_pdb.msi",
      52      "tools.msi",
      53      "ucrt.msi",
      54      "Windows6.0-KB2999226-x64.msu",
      55      "Windows6.0-KB2999226-x86.msu",
      56      "Windows6.1-KB2999226-x64.msu",
      57      "Windows6.1-KB2999226-x86.msu",
      58      "Windows8.1-KB2999226-x64.msu",
      59      "Windows8.1-KB2999226-x86.msu",
      60      "Windows8-RT-KB2999226-x64.msu",
      61      "Windows8-RT-KB2999226-x86.msu",
      62  ]
      63  PATHS = [
      64      "python-{}.exe".format(m.group(0)),
      65      "python-{}-webinstall.exe".format(m.group(0)),
      66      "python-{}-amd64.exe".format(m.group(0)),
      67      "python-{}-amd64-webinstall.exe".format(m.group(0)),
      68      "python-{}-arm64.exe".format(m.group(0)),
      69      "python-{}-arm64-webinstall.exe".format(m.group(0)),
      70      "python-{}-embed-amd64.zip".format(m.group(0)),
      71      "python-{}-embed-win32.zip".format(m.group(0)),
      72      "python-{}-embed-arm64.zip".format(m.group(0)),
      73      *["win32{}/{}".format(REL, f) for f in FILES],
      74      *["amd64{}/{}".format(REL, f) for f in FILES],
      75      *["arm64{}/{}".format(REL, f) for f in FILES],
      76  ]
      77  PATHS = PATHS + [p + ".asc" for p in PATHS]
      78  
      79  print('Purged:')
      80  for n in PATHS:
      81      u = URL + n
      82      with urlopen(Request(u, method='PURGE', headers={'Fastly-Soft-Purge': 1})) as r:
      83          r.read()
      84      print('  ', u)