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85e49c19d4
This subproject will download and provide win32 binaries for flex and/or bison if they aren't found at configure time on Windows.
51 lines
1.4 KiB
Python
51 lines
1.4 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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# 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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base_url = 'https://sourceforge.net/projects/winflexbison/files/win_flex_bison-{}.zip'
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url = base_url.format(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 = os.path.basename(url)
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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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print('Downloading {} to {}'.format(url, dest))
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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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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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