tools/fixup-deprecated.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 # SPDX-License-Identifier: NONE
   4 #
   5 # Script used to replace deprecated quagga/frr mactors/types/etc.
   6 #
   7 # loosly based on indent.py, 2017 by David Lamparter
   8 # 2018 by Lou Berger, placed in public domain
   9
  10 import sys, re, subprocess, os
  11
  12
  13 class replaceEntry:
  14     compiled = None  # compiled regex
  15     repl = None  # regex
  16
  17     def __init__(self, c, r):
  18         self.compiled = c
  19         self.repl = r
  20
  21
  22 rList = [
  23     # old #define VNL, VTYNL, VTY_NEWLINE
  24     replaceEntry(re.compile(r"(VNL|VTYNL|VTY_NEWLINE)"), r'"\\n"'),
  25     # old #define VTY_GET_INTEGER(desc, v, str)
  26     # old #define VTY_GET_INTEGER_RANGE(desc, v, str, min, max)
  27     # old #define VTY_GET_ULONG(desc, v, str)
  28     replaceEntry(
  29         re.compile(
  30             r"(VTY_GET_INTEGER(_RANGE|)|VTY_GET_ULONG)[\s\(]*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)(\s*|)(\)|,).*?;",
  31             re.M | re.S,
  32         ),
  33         r"(\4) = strtoul((\5), NULL, 10);\t/* \3 */",
  34     ),
  35     # old #define VTY_GET_ULL(desc, v, str)
  36     replaceEntry(
  37         re.compile(
  38             r"VTY_GET_ULL[\s\(]*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)(\s*|)(\)|,).*?;",
  39             re.M | re.S,
  40         ),
  41         r"(\2) = strtoull((\3), NULL, 10);\t/* \1 */",
  42     ),
  43     # old #define VTY_GET_IPV4_ADDRESS(desc, v, str)
  44     replaceEntry(
  45         re.compile(
  46             r"VTY_GET_IPV4_ADDRESS[\s\(]*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)(\s*|)(\)|,).*?;",
  47             re.M | re.S,
  48         ),
  49         r"inet_aton((\3), &(\2));\t/* \1 */",
  50     ),
  51     # old #define VTY_GET_IPV4_PREFIX(desc, v, str)
  52     replaceEntry(
  53         re.compile(
  54             r"VTY_GET_IPV4_PREFIX[\s\(]*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)(\s*|)(\)|,).*?;",
  55             re.M | re.S,
  56         ),
  57         r"str2prefix_ipv4((\3), &(\2));\t/* \1 */",
  58     ),
  59     # old #define vty_outln(vty, str, ...)
  60     replaceEntry(
  61         re.compile(r'vty_outln[\s\(]*(.*?)\s*,\s*(".*?"|.*?)\s*(\)|,)', re.M | re.S),
  62         r'vty_out(\1, \2 "\\n"\3',
  63     ),
  64 ]
  65
  66
  67 def fixup_file(fn):
  68     with open(fn, "r") as fd:
  69         text = fd.read()
  70
  71         for re in rList:
  72             text = re.compiled.sub(re.repl, text)
  73
  74         tmpname = fn + ".fixup"
  75         with open(tmpname, "w") as ofd:
  76             ofd.write(text)
  77         os.rename(tmpname, fn)
  78
  79
  80 if __name__ == "__main__":
  81     for fn in sys.argv[1:]:
  82         fixup_file(fn)