mirror of
https://github.com/mpv-player/mpv
synced 2024-11-14 22:48:35 +01:00
57 lines
1.8 KiB
Python
Executable File
57 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# This script simply downloads waf to the current directory
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import os, sys, stat, hashlib, subprocess
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from urllib.request import urlopen, URLError
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WAFRELEASE = "waf-2.0.25"
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WAFURLS = ["https://waf.io/" + WAFRELEASE,
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"https://www.freehackers.org/~tnagy/release/" + WAFRELEASE]
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SHA256HASH = "21199cd220ccf60434133e1fd2ab8c8e5217c3799199c82722543970dc8e38d5"
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if os.path.exists("waf"):
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wafver = subprocess.check_output([sys.executable, './waf', '--version']).decode()
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if WAFRELEASE.split('-')[1] == wafver.split(' ')[1]:
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print("Found 'waf', skipping download.")
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sys.exit(0)
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if "--no-download" in sys.argv[1:]:
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print("Did not find {} and no download was requested.".format(WAFRELEASE))
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sys.exit(1)
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waf = None
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for WAFURL in WAFURLS:
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try:
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print("Downloading {}...".format(WAFURL))
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waf = urlopen(WAFURL).read()
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break
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except URLError as err:
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print("Download failed! ({})".format(err))
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if not waf:
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print("Could not download {}.".format(WAFRELEASE))
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sys.exit(1)
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if SHA256HASH == hashlib.sha256(waf).hexdigest():
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# Upstream waf is not changing the default interpreter during
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# 2.0.x line due to compatibility reasons apparently. So manually
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# convert it to use python3 (the script works with both).
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expected = b"#!/usr/bin/env python\n"
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assert waf.startswith(expected)
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waf = b"#!/usr/bin/env python3\n" + waf[len(expected):]
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with open("waf", "wb") as wf:
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wf.write(waf)
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os.chmod("waf", os.stat("waf").st_mode | stat.S_IXUSR)
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print("Checksum verified.")
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else:
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print("The checksum of the downloaded file does not match!")
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print(" - got: {}".format(hashlib.sha256(waf).hexdigest()))
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print(" - expected: {}".format(SHA256HASH))
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print("Please download and verify the file manually.")
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sys.exit(1)
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