#!/usr/bin/env python
import os
import fnmatch
import sys
import shutil
import re
import argparse
def find_replace(cfg):
search_pattern = re.compile(cfg.search_regex)
for path, dirs, files in os.walk(os.path.abspath(cfg.dir)):
for filename in fnmatch.filter(files, cfg.glob):
pardir = os.path.normpath(os.path.join(path, '..'))
pardir = os.path.split(pardir)[-1]
print '[%s]' % pardir,
filepath = os.path.join(path, filename)
#backup orig file
if cfg.create_backup:
backup_path = filepath + '.bak'
while os.path.exists(backup_path):
backup_path += '.bak'
print 'DBG: creating backup', backup_path
shutil.copyfile(filepath, backup_path)
with open(filepath) as f:
data = f.read()
all_matches = search_pattern.findall(data)
if all_matches:
one_match = all_matches[0]
print 'Found {} matches in file {}'.format(len(all_matches), filename)
if not cfg.dryrun:
with open(filepath, "w") as f:
print 'DBG: replacing in file', filepath
# s = s.replace(search_pattern, replacement)
new_data = search_pattern.sub(cfg.replace_regex, data)
f.write(new_data)
else:
for line in data.split('\n'):
if one_match in line:
print " OLD: {}".format(line.strip())
print " NEW: {}".format(search_pattern.sub(cfg.replace_regex, line).strip())
else:
print 'File {} does not contain search regex "{}"'.format(filename, cfg.search_regex)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='''DESCRIPTION:
Find and replace recursively from the given folder using regular expressions''',
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog='''USAGE:
{0} -d [my_folder] -s <search_regex> -r <replace_regex> -g [glob_pattern]'''.format(os.path.basename(sys.argv[0])))
parser.add_argument('--dir', '-d',
help='folder to search in; by default current folder',
default='.')
parser.add_argument('--search-regex', '-s',
help='search regex',
required=True)
parser.add_argument('--replace-regex', '-r',
help='replacement regex',
required=True)
parser.add_argument('--glob', '-g',
help='glob pattern, i.e. *.html',
default="*.*")
parser.add_argument('--dryrun', '-dr',
action='store_true',
help="don't replace anything just show what is going to be done",
default=False)
parser.add_argument('--create-backup', '-b',
action='store_true',
help='Create backup files',
default=False)
config = parser.parse_args(sys.argv[1:])
find_replace(config)
Diff to Previous Revision
--- revision 4 2016-04-28 13:19:29
+++ revision 5 2016-04-28 13:24:15
@@ -60,7 +60,7 @@
Find and replace recursively from the given folder using regular expressions''',
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog='''USAGE:
- {0} [my_folder] <search_regex> <replace_regex> [glob_pattern]'''.format(os.path.basename(sys.argv[0])))
+ {0} -d [my_folder] -s <search_regex> -r <replace_regex> -g [glob_pattern]'''.format(os.path.basename(sys.argv[0])))
parser.add_argument('--dir', '-d',
help='folder to search in; by default current folder',
