#!/usr/bin/env python## Add unique ID attributes to para tags. This script should only be# run by one person, since otherwise it introduces the possibility of# chaotic conflicts among tags.import glob, os, re, systagged = re.compile('<para[^>]* id="x_([0-9a-f]+)"[^>]*>', re.M)untagged = re.compile('<para>')names = glob.glob('ch*.xml') + glob.glob('app*.xml')# First pass: find the highest-numbered paragraph ID.biggest_id = 0seen = set()errs = 0for name in names: for m in tagged.finditer(open(name).read()): i = int(m.group(1),16) if i in seen: print >> sys.stderr, '%s: duplication of ID %s' % (name, i) errs += 1 seen.add(i) if i > biggest_id: biggest_id = idef retag(s): global biggest_id biggest_id += 1 return '<para id="x_%x">' % biggest_id# Second pass: add IDs to paragraphs that currently lack them.for name in names: f = open(name).read() f1 = untagged.sub(retag, f) if f1 != f: tmpname = name + '.tmp' fp = open(tmpname, 'w') fp.write(f1) fp.close() os.rename(tmpname, name)sys.exit(errs)