File: wi.py
   1 #!/usr/bin/python3
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright © 2024 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the “Software”), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 # wi [pattern] [folders...]
  27 #
  28 # Where Is looks at all file/folder names in the folders given, trying to
  29 # case-insensitively match them to the regex-pattern given.
  30 #
  31 # All folders are searched into recursively; when no folders are given, the
  32 # current one is searched into by default.
  33 
  34 
  35 from os import walk
  36 from re import compile as compile_re, IGNORECASE, Pattern
  37 from sys import argv, exit, stderr, stdin, stdout
  38 
  39 
  40 # info is the help message shown when asked to
  41 info = '''
  42 wi [pattern] [folders...]
  43 
  44 Where Is looks at all file/folder names in the folders given, trying to
  45 case-insensitively match them to the regex-pattern given.
  46 
  47 All folders are searched into recursively; when no folders are given, the
  48 current one is searched into by default.
  49 '''.strip()
  50 
  51 # handle standard help cmd-line options, quitting right away in that case
  52 if len(argv) == 2 and argv[1] in ('-h', '--h', '-help', '--help'):
  53     print(info, file=stderr)
  54     exit(0)
  55 
  56 
  57 
  58 def match_names(folder: str, expr: Pattern) -> None:
  59     if folder.endswith('/'):
  60         folder = folder[:-1]
  61 
  62     for (cur, subfolders, files) in walk(folder):
  63         for f in subfolders:
  64             s = f'{cur}/{f}/'
  65             if not expr.search(s) is None:
  66                 print(s)
  67         for f in files:
  68             s = f'{cur}/{f}'
  69             if not expr.search(s) is None:
  70                 print(s)
  71 
  72 
  73 try:
  74     if len(argv) < 2:
  75         expr = compile_re('.')
  76     else:
  77         expr = compile_re(argv[1], flags=IGNORECASE)
  78 
  79     stdout.reconfigure(newline='\n', encoding='utf-8')
  80 
  81     # search all folders given
  82     for folder in argv[2:]:
  83         match_names(folder, expr)
  84 
  85     # when no folders are given, use the current one
  86     if len(argv) < 3:
  87         match_names('.', expr)
  88 except (BrokenPipeError, KeyboardInterrupt):
  89     # quit quietly, instead of showing a confusing error message
  90     stderr.flush()
  91     stderr.close()
  92 except Exception as e:
  93     print(f'\x1b[31m{e}\x1b[0m', file=stderr)
  94     exit(1)