mirror of
https://github.com/clearlinux/clr-avx-tools.git
synced 2026-09-06 21:51:36 +00:00
William Douglas
f76aa44d80
In cases where nothing was written to the filemap, delete it as it just creates extra package waste if it is left behind. Signed-off-by: William Douglas <william.douglas@intel.com>
146 lines
4.8 KiB
Python
Executable File
146 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import hashlib
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import itertools
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import os
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from collections import OrderedDict
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def setup_parser():
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"""Create commandline argument parser."""
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parser = argparse.ArgumentParser()
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parser.add_argument("type", default="", nargs=1,
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help="Binary type [avx, avx2, avx512]")
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parser.add_argument("installdir", default="", nargs=1,
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help="Content directory to scan")
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parser.add_argument("targetdir", default="", nargs=1,
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help="Target directory for output")
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parser.add_argument("outfile", default="", nargs=1,
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help="Output file name")
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parser.add_argument("-s", "--skip", action="store_true",
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default=False,
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help="Don't process elf binaries")
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parser.add_argument("-S", "--skip-path", default=[], nargs=1,
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action="append",
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help="Don't process files with the target path(s)")
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parser.add_argument("-p", "--path", default=[], nargs=1,
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action="append",
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help="Handle path regardless of file type (overrides skip)")
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return parser
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def process_install(args):
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"""Create output based on the installdir.
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Also output to stdout the non-elf file paths and hashes (useful to compare
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different build types).
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"""
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always_process = set()
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for item in args.path:
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always_process.add(item[0])
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args.path = always_process
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filemap = OrderedDict()
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for root, _, files in os.walk(args.installdir[0]):
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for name in files:
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filepath = os.path.join(root, name)
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# if os.path.islink(filepath) and "/usr/lib64/" not in filepath:
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# continue
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try:
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if os.stat(filepath).st_mode & os.path.stat.S_ISUID != 0:
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continue
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except:
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continue
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sha = hashlib.sha256()
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data = bytearray(4096)
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memv = memoryview(data)
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virtpath = os.path.join('/',
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filepath.removeprefix(args.installdir[0]))
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with open(filepath, 'rb', buffering=0) as ifile:
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blk = ifile.readinto(memv)
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# some files have the same contents so include the full path
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# in the hash
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sha.update(filepath.encode())
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sha.update(memv[:blk])
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elf = memv[:4] == b'\x7fELF'
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while blk := ifile.readinto(memv):
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sha.update(memv[:blk])
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if elf or virtpath in args.path:
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filemap[virtpath] = [args.type[0],
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filepath,
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sha.hexdigest()]
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else:
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filemap[virtpath] = [None,
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filepath,
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sha.hexdigest()]
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return filemap
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def write_outfile(args, filemap):
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"""Use the filemap to populate targetidr."""
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if len(filemap) == 0:
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return
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skips = set(itertools.chain.from_iterable(args.skip_path))
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os.makedirs(args.targetdir[0], exist_ok=True)
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if os.path.basename(args.outfile[0]) != args.outfile[0]:
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os.makedirs(os.path.dirname(args.outfile[0]), exist_ok=True)
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with open(args.outfile[0], 'a', encoding='utf-8') as ofile:
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for virtpath, val in filemap.items():
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btype = val[0]
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source = val[1]
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shasum = val[2]
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if virtpath in skips:
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continue
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# prefix files from /usr/bin with a bin prefix so autospec can put
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# them in the right subpackage
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if "/usr/bin/" in source:
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shasum = "bin" + shasum
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elif "/libexec/installed-tests" in source:
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shasum = "tests" + shasum
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elif "/libexec/" in source:
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shasum = "exec" + shasum
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elif "/usr/lib64/" in source:
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shasum = "lib" + shasum
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else:
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shasum = "other" + shasum
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if btype:
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if args.skip and virtpath not in args.path:
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continue
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ofile.write(f"{btype}\n")
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ofile.write(f"{virtpath}\n")
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ofile.write(f"{shasum}\n")
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os.rename(source, os.path.join(args.targetdir[0], shasum))
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else:
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print(f"{virtpath} {shasum}")
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# Don't leave around empty filemaps
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if os.path.getsize(args.outfile[0]) == 0:
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os.remove(args.outfile[0])
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def main():
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"""Entry point function."""
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parser = setup_parser()
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args = parser.parse_args()
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filemap = process_install(args)
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write_outfile(args, filemap)
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if __name__ == '__main__':
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main()
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