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# Purges the Fastly cache for Windows download files

# Usage:

# py -3 purge.py 3.5.1rc1

__author__ = 'Steve Dower <steve.dower@python.org>'

__version__ = '1.0.0'

import re

import sys

from urllib.request import *

VERSION_RE = re.compile(r'(\d+\.\d+\.\d+)(\w+\d+)?$')

try:

m = VERSION_RE.match(sys.argv[1])

if not m:

print('Invalid version:', sys.argv[1])

print('Expected something like "3.5.1rc1"')

sys.exit(1)

except LookupError:

print('Missing version argument. Expected something like "3.5.1rc1"')

sys.exit(1)

URL = "https://www.python.org/ftp/python/{}/".format(m.group(1))

REL = m.group(2) or ''

FILES = [

"core.msi",

"core_d.msi",

"core_pdb.msi",

"dev.msi",

"dev_d.msi",

"doc.msi",

"exe.msi",

"exe_d.msi",

"exe_pdb.msi",

"launcher.msi",

"lib.msi",

"lib_d.msi",

"lib_pdb.msi",

"path.msi",

"pip.msi",

"tcltk.msi",

"tcltk_d.msi",

"tcltk_pdb.msi",

"test.msi",

"test_d.msi",

"test_pdb.msi",

"tools.msi",

"ucrt.msi",

"Windows6.0-KB2999226-x64.msu",

"Windows6.0-KB2999226-x86.msu",

"Windows6.1-KB2999226-x64.msu",

"Windows6.1-KB2999226-x86.msu",

"Windows8.1-KB2999226-x64.msu",

"Windows8.1-KB2999226-x86.msu",

"Windows8-RT-KB2999226-x64.msu",

"Windows8-RT-KB2999226-x86.msu",

]

PATHS = [

"python-{}.exe".format(m.group(0)),

"python-{}-webinstall.exe".format(m.group(0)),

"python-{}-amd64.exe".format(m.group(0)),

"python-{}-amd64-webinstall.exe".format(m.group(0)),

] + ["win32{}/{}".format(REL, f) for f in FILES] + ["amd64{}/{}".format(REL, f) for f in FILES]

print('Purged:')

for n in PATHS:

u = URL + n

with urlopen(Request(u, method='PURGE', headers={'Fastly-Soft-Purge': 1})) as r:

r.read()

print(' ', u)

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