tools/fixup-deprecated.py

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