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