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#! /usr/bin/env python
#
# Mass string translation for java/xml files (change Wanted re for other files)
#
# Author: Peter Donald <donaldp@apache.org>
#
# Adapted from fixid.py in python distribution under Tools
#
import sys
import re
import string
import os
from stat import *
import getopt
err = sys.stderr.write
dbg = err
out = sys.stdout.write
def usage():
progname = sys.argv[0]
err('Usage: ' + progname + ' [-s file] ... file-or-directory ...\n')
err('\n')
err('-s substfile : add a file of substitutions\n')
err('\n')
err('Each non-empty non-comment line in a substitution file must\n')
err('contain exactly two words separated by a | character.\n')
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], 'crs:')
except getopt.error, msg:
err('Options error: ' + str(msg) + '\n')
usage()
sys.exit(2)
bad = 0
if not args: # No arguments
usage()
sys.exit(2)
for opt, arg in opts:
if opt == '-s':
addsubst(arg)
initre()
for arg in args:
if os.path.isdir(arg):
if recursedown(arg): bad = 1
elif os.path.islink(arg):
err(arg + ': will not process symbolic links\n')
bad = 1
else:
if fix(arg): bad = 1
sys.exit(bad)
# Change this regular expression to select a different set of files
Wanted = '^[a-zA-Z0-9_\-]+\.(java|xml|xinfo)$'
def wanted(name):
return None <> re.match(Wanted, name)
def recursedown(dirname):
dbg('recursedown(' + `dirname` + ')\n')
bad = 0
try:
names = os.listdir(dirname)
except os.error, msg:
err(dirname + ': cannot list directory: ' + str(msg) + '\n')
return 1
names.sort()
subdirs = []
for name in names:
if name in (os.curdir, os.pardir): continue
fullname = os.path.join(dirname, name)
if os.path.islink(fullname): pass
elif os.path.isdir(fullname):
subdirs.append(fullname)
elif wanted(name):
if fix(fullname): bad = 1
for fullname in subdirs:
if recursedown(fullname): bad = 1
return bad
def fix(filename):
dbg('fix(' + `filename` + ')\n')
# File replacement mode
try:
f = open(filename, 'r')
except IOError, msg:
err(filename + ': cannot open: ' + str(msg) + '\n')
return 1
head, tail = os.path.split(filename)
tempname = os.path.join(head, '@' + tail)
# If we find a match, we rewind the file and start over but
# now copy everything to a temp file.
lineno = 0
g = None
while 1:
line = f.readline()
if not line: break
lineno = lineno + 1
newline = fixline(line)
if newline != line:
if g is None:
try:
g = open(tempname, 'w')
except IOError, msg:
f.close()
err(tempname+': cannot create: '+
str(msg)+'\n')
return 1
f.seek(0)
lineno = 0
out(filename + ':\n')
continue # restart from the beginning
out(`lineno` + '\n')
out('< ' + line)
out('> ' + newline)
if g is not None:
g.write(newline)
# End of file
f.close()
if not g: return 0 # No changes
# Finishing touch -- move files
# First copy the file's mode to the temp file
try:
statbuf = os.stat(filename)
os.chmod(tempname, statbuf[ST_MODE] & 07777)
except os.error, msg:
err(tempname + ': warning: chmod failed (' + str(msg) + ')\n')
# Then make a backup of the original file as filename~
try:
os.rename(filename, filename + '~')
except os.error, msg:
err(filename + ': warning: backup failed (' + str(msg) + ')\n')
# Now move the temp file to the original file
try:
os.rename(tempname, filename)
except os.error, msg:
err(filename + ': rename failed (' + str(msg) + ')\n')
return 1
# Return succes
return 0
def initre():
global SearcherExpr
keys = Dict.keys()
keyCount = len(keys)
i = 0
reStr = ""
while i < len(keys):
if i != 0: reStr = reStr + '|'
reStr = reStr + keys[i]
i = i + 1
SearcherExpr = re.compile( reStr )
def fixline(line):
global Program
## print '-->', `line`
i = 0
while i < len(line):
match = SearcherExpr.search(line, i)
if match == None: break
found = match.group(0)
i = match.start()
n = len(found)
if Dict.has_key(found):
subst = Dict[found]
line = line[:i] + subst + line[i+n:]
n = len(subst)
i = i + n
return line
Dict = {}
NotInComment = {}
def addsubst(substfile):
try:
fp = open(substfile, 'r')
except IOError, msg:
err(substfile + ': cannot read substfile: ' + str(msg) + '\n')
sys.exit(1)
lineno = 0
while 1:
line = fp.readline()
if not line: break
lineno = lineno + 1
try:
i = string.index(line, '#')
except string.index_error:
i = -1 # Happens to delete trailing \n
words = string.split(line[:i],'|')
if not words: continue
if len(words) <> 2:
err(substfile + ':' + `lineno` + ': warning: bad line: ' + line)
continue
[key, value] = words
## print 'Will replace ', key, ' with ', value
Dict[key] = value
fp.close()
main()
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