gstreamer/subprojects/win-nasm/download-binary.py
Nirbheek Chauhan 352b838121 win-nasm: Use gstreamer mirror as primary source
nasm.us went down today and broke all our CI. Use the gstreamer mirror
as the primary source and fallback to nasm.us if that's down.
2020-01-18 17:54:48 +05:30

66 lines
2 KiB
Python

#!/usr/bin/env python3
import os
import sys
import ssl
import zipfile
import hashlib
import urllib.request
import urllib.error
# Disable certificate checking because it always fails on Windows
# We verify the checksum anyway.
ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
BASENAME = 'nasm-{}-{}.zip'
UPSTREAM_URL = 'https://www.nasm.us/pub/nasm/releasebuilds/{}/{}/{}'
GSTREAMER_URL = 'https://gstreamer.freedesktop.org/src/mirror/{}'
version = sys.argv[1]
arch = 'win64' if sys.argv[2] == 'x86_64' else 'win32'
zip_sha256 = sys.argv[3]
source_dir = os.path.join(os.environ['MESON_SOURCE_ROOT'], os.environ['MESON_SUBDIR'])
dest = BASENAME.format(version, arch)
dest_path = os.path.join(source_dir, dest)
def get_sha256(zipf):
hasher = hashlib.sha256()
with open(zipf, 'rb') as f:
hasher.update(f.read())
return hasher.hexdigest()
if os.path.isfile(dest_path):
found_sha256 = get_sha256(dest_path)
if found_sha256 == zip_sha256:
print('{} already downloaded'.format(dest))
sys.exit(0)
else:
print('{} checksum mismatch, redownloading'.format(dest))
for url in (GSTREAMER_URL.format(dest), UPSTREAM_URL.format(version, arch, dest)):
print('Downloading {} to {}'.format(url, dest))
try:
with open(dest_path, 'wb') as d:
f = urllib.request.urlopen(url, context=ctx)
d.write(f.read())
break
except urllib.error.URLError as ex:
print(ex)
print('Failed to download from {!r}, trying mirror...'.format(url))
continue
else:
curdir = os.path.dirname(sys.argv[0])
print('Couldn\'t download {!r}! Try downloading it manually and '
'placing it into {!r}'.format(dest, curdir))
found_sha256 = get_sha256(dest_path)
if found_sha256 != zip_sha256:
print('SHA256 of downloaded file {} was {} instead of {}'
''.format(dest, found_sha256, zip_sha256))
sys.exit(1)
print('Extracting {}'.format(dest))
zf = zipfile.ZipFile(dest_path, "r")
zf.extractall(path=source_dir)