process-text-files.py: Support --name and --maxdepth

Add support for --name (globbing pattern) and --maxdepth (as in
find(1)).

Signed-off-by: Jan Lindemann <jan@janware.com>
This commit is contained in:
Jan Lindemann 2019-12-20 11:39:40 +01:00
commit bdb6d48f59

View file

@ -2,7 +2,9 @@
# -*- coding: utf-8 -*-
from __future__ import print_function
import sys
import re
import fnmatch
import argparse
from abc import abstractmethod
import os
@ -12,13 +14,24 @@ import subprocess
import jwutils
from jwutils.log import *
def _regexify(l):
return '|'.join(x.replace('.', '\.') + '$' for x in l)
_exts_h = set([ '.h', '.H', '.hxx', '.HXX', '.hpp'])
_exts_cpp = set([ '.cpp', '.CPP', '.c', '.C', '.cxx', '.CXX' ])
_exts_h_cpp = _exts_h | _exts_cpp
def _regexify(l):
return '|'.join(x.replace('.', '\.') + '$' for x in l)
def _scantree(path, maxdepth=sys.maxsize, depth=0):
if depth == maxdepth:
return path
if depth > maxdepth:
return []
for entry in os.scandir(path):
if entry.is_dir(follow_symlinks=False):
yield from _scantree(entry.path, maxdepth, depth+1)
else:
yield entry
# ----------------------------------------------------------------------------------- Base class
class Cmd(jwutils.Cmd):
@ -338,7 +351,9 @@ class Cmd(jwutils.Cmd):
def add_parser(self, parsers):
p = super(Cmd, self).add_parser(parsers)
p.add_argument('-r', "--root", help="Point in file system from which to start search", default='.')
p.add_argument("--name", help="Globbing pattern to select input file names", default=None)
p.add_argument("--name-regex", help="Regular expression to select input file names", default=None)
p.add_argument("--maxdepth", help="Maximum directory search depth", default=sys.maxsize)
p.add_argument("--replace-patterns-from", help="File with patterns to replace, side by side, divided by '->'", default=None)
p.add_argument("--backup", help="Backup extension", default='rep')
p.add_argument('-g', '--git', help="Use git mv for renaming files", action='store_true', default=False)
@ -357,11 +372,17 @@ class Cmd(jwutils.Cmd):
async def run(self, args):
self._init(args)
files = []
if args.name_regex is not None:
for root, dirs, names in os.walk(args.root):
for name in names:
if re.search(args.name_regex, name):
files.append((root, name))
if args.name:
regex = fnmatch.translate(args.name)
else:
regex = args.name_regex
if regex is not None:
for entry in _scantree(args.root, args.maxdepth):
if re.search(regex, entry.name):
root = os.dirname(entry.path)
if not root:
root = '.'
files.append((root, entry.path))
self.process(args, files)
@abstractmethod