78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
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#!/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 tarfile
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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 requires custom Python setup on macOS
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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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EXTRACTDIR = 'bison-{}-macos-{}'
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BASENAME = '{}.tar.bz2'.format(EXTRACTDIR)
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GSTREAMER_URL = 'https://gstreamer.freedesktop.org/src/mirror/{}'
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version = sys.argv[1]
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arch = sys.argv[2]
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tar_sha256 = sys.argv[3]
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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, arch)
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dest_path = os.path.join(source_dir, dest)
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extract_path = EXTRACTDIR.format(version, arch)
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def get_sha256(tarf):
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hasher = hashlib.sha256()
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with open(tarf, 'rb') as f:
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hasher.update(f.read())
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return hasher.hexdigest()
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def download():
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for url in (GSTREAMER_URL.format(dest),):
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print('Downloading {} to {}'.format(url, dest), file=sys.stderr)
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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, file=sys.stderr)
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print('Failed to download from {!r}, trying mirror...'.format(url), file=sys.stderr)
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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), file=sys.stderr)
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def print_extract_dir():
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'Print the extracted directory name'
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print(extract_path, end='')
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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 == tar_sha256:
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if os.path.isdir(os.path.join(source_dir, extract_path)):
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print('{} already downloaded and extracted'.format(dest), file=sys.stderr)
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print_extract_dir()
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sys.exit(0)
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else:
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print('{} checksum mismatch, redownloading'.format(dest), file=sys.stderr)
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download()
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else:
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download()
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found_sha256 = get_sha256(dest_path)
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if found_sha256 != tar_sha256:
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print('SHA256 of downloaded file {} was {} instead of {}'
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''.format(dest, found_sha256, tar_sha256), file=sys.stderr)
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sys.exit(1)
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print('Extracting {}'.format(dest), file=sys.stderr)
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tf = tarfile.open(dest_path, "r")
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tf.extractall(path=source_dir)
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print_extract_dir()
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