LXR dpdk/devtools/update-patches.py

   1#!/usr/bin/env python3
   2# SPDX-License-Identifier: BSD-3-Clause
   3# Copyright(c) 2021 Intel Corporation
   4
   5import os
   6import sys
   7import shutil
   8from os.path import abspath, dirname, join
   9
  10def fixup_library_renames(contents):
  11    """since library directory names have dropped the 'librte_' prefix,
  12    add those prefixes back in for patches than need it"""
  13    modified = False
  14
  15    # first get all the DPDK libs to build up replacement list
  16    # stored in function attribute between calls
  17    try:
  18        libdirs = fixup_library_renames.libdirs
  19    except AttributeError:
  20        dpdk_libdir = abspath(join(dirname(sys.argv[0]), '..', 'lib'))
  21        for root, dirs, files in os.walk(dpdk_libdir):
  22            fixup_library_renames.libdirs = dirs
  23            libdirs = dirs
  24            break
  25
  26    for i in range(len(contents)):
  27        # skip over any lines which don't have lib in it
  28        if not "lib/" in contents[i]:
  29            continue
  30        for d in libdirs:
  31            if f'lib/{d}' in contents[i]:
  32                modified = True
  33                contents[i] = contents[i].replace(f'lib/{d}', f'lib/librte_{d}')
  34    return modified
  35
  36def main():
  37    "takes list of patches off argv and processes each"
  38    for patch in sys.argv[1:]:
  39        modified = False
  40        with open(patch) as f:
  41            contents = f.readlines()
  42
  43        modified |= fixup_library_renames(contents)
  44        # other functions to change the patch go here
  45
  46        if not modified:
  47            continue
  48        shutil.copyfile(f'{patch}', f'{patch}.bak')
  49        with open(patch, 'w') as f:
  50            f.writelines(contents)
  51
  52if __name__ == "__main__":
  53    main()
  54