import contextlib
import math
import socket
import sys
import time
import urllib2
HASHES_URL = 'https://pdfium-gold.skia.org/_/hashes'
RETRIES = 5
TIMEOUT = 60
WAIT_BASE = 15
socket.setdefaulttimeout(TIMEOUT)
for retry in range(RETRIES):
try:
with contextlib.closing(
urllib2.urlopen(HASHES_URL, timeout=TIMEOUT)) as w:
hashes = w.read()
with open(sys.argv[1], 'w') as f:
f.write(hashes)
break
except Exception as e:
print 'Failed to get uninteresting hashes from %s:' % HASHES_URL
print e
if retry == RETRIES:
raise
waittime = WAIT_BASE * math.pow(2, retry)
print 'Retry in %d seconds.' % waittime
time.sleep(waittime)