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Check sha256 sums via hashlib

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This commit is contained in:
Daniel Martí 2014-01-10 19:54:53 +01:00
parent ca7cea37f8
commit 6daeb625ab
1 changed files with 15 additions and 4 deletions
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19
makebuildserver
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@ -4,6 +4,7 @@ import os
import sys import sys
import subprocess import subprocess
import time import time
import hashlib
from optparse import OptionParser from optparse import OptionParser
def vagrant(params, cwd=None, printout=False): def vagrant(params, cwd=None, printout=False):
@ -98,16 +99,26 @@ else:
'http://dl.google.com/android/ndk/android-ndk-r9b-linux-x86-legacy-toolchains.tar.bz2', 'http://dl.google.com/android/ndk/android-ndk-r9b-linux-x86-legacy-toolchains.tar.bz2',
'606aadf815ae28cc7b0154996247c70d609f111b14e44bcbcd6cad4c87fefb6f')]) '606aadf815ae28cc7b0154996247c70d609f111b14e44bcbcd6cad4c87fefb6f')])
wanted = [] wanted = []
def sha256_for_file(path):
with open(path, 'r') as f:
s = hashlib.sha256()
while True:
data = f.read(4096)
if not data:
break
s.update(data)
return s.hexdigest()
for f, src, shasum in cachefiles: for f, src, shasum in cachefiles:
if not os.path.exists(os.path.join(cachedir, f)): relpath = os.path.join(cachedir, f)
if not os.path.exists(relpath):
print "Downloading " + f + " to cache" print "Downloading " + f + " to cache"
if subprocess.call(['wget', src], cwd=cachedir) != 0: if subprocess.call(['wget', src], cwd=cachedir) != 0:
print "...download of " + f + " failed." print "...download of " + f + " failed."
sys.exit(1) sys.exit(1)
if shasum: if shasum:
p = subprocess.Popen(['shasum', '-a', '256', os.path.join(cachedir, f)], v = sha256_for_file(relpath)
stdout=subprocess.PIPE)
v = p.communicate()[0].split(' ')[0]
if v != shasum: if v != shasum:
print "Invalid shasum of '" + v + "' detected for " + f print "Invalid shasum of '" + v + "' detected for " + f
sys.exit(1) sys.exit(1)