Revert "py3: merge-event-log-tags"

-h to display this usage message and exit.

"""

from __future__ import print_function

import cStringIO

import getopt

try:

  import hashlib

import struct

import sys

try:

  from cStringIO import StringIO

except ImportError:

  from io import StringIO

import event_log_tags

def itermitems(obj):

  if hasattr(obj, 'iteritems'):

    return obj.iteritems()

  return obj.items()

errors = []

warnings = []

try:

  opts, args = getopt.getopt(sys.argv[1:], "ho:m:")

except getopt.GetoptError as err:

  print(str(err))

  print(__doc__)

except getopt.GetoptError, err:

  print str(err)

  print __doc__

  sys.exit(2)

for o, a in opts:

  if o == "-h":

    print(__doc__)

    print __doc__

    sys.exit(2)

  elif o == "-o":

    output_file = a

  elif o == "-m":

    pre_merged_file = a

  else:

    print("unhandled option %s" % (o,), file=sys.stderr)

    print >> sys.stderr, "unhandled option %s" % (o,)

    sys.exit(1)

# Restrictions on tags:

if errors:

  for fn, ln, msg in errors:

    print("%s:%d: error: %s" % (fn, ln, msg), file=sys.stderr)

    print >> sys.stderr, "%s:%d: error: %s" % (fn, ln, msg)

  sys.exit(1)

if warnings:

  for fn, ln, msg in warnings:

    print("%s:%d: warning: %s" % (fn, ln, msg), file=sys.stderr)

    print >> sys.stderr, "%s:%d: warning: %s" % (fn, ln, msg)

# Python's hash function (a) isn't great and (b) varies between

# versions of python.  Using md5 is overkill here but is the same from

# If we were provided pre-merged tags (w/ the -m option), then don't

# ever try to allocate one, just fail if we don't have a number

for name, t in sorted(iteritems(by_tagname)):

for name, t in sorted(by_tagname.iteritems()):

  if t.tagnum is None:

    if pre_merged_tags:

      try:

        t.tagnum = pre_merged_tags[t.tagname]

      except KeyError:

        print("Error: Tag number not defined for tag `%s'."

              " Have you done a full build?" % t.tagname, file=sys.stderr)

        print >> sys.stderr, ("Error: Tag number not defined for tag `%s'."

            +" Have you done a full build?") % t.tagname

        sys.exit(1)

    else:

      while True:

# by_tagnum should be complete now; we've assigned numbers to all tags.

buffer = StringIO()

for n, t in sorted(iteritems(by_tagnum)):

buffer = cStringIO.StringIO()

for n, t in sorted(by_tagnum.iteritems()):

  if t.description:

    buffer.write("%d %s %s\n" % (t.tagnum, t.tagname, t.description))

  else: