py3: parsedeps

#!/usr/bin/env python

# vim: ts=2 sw=2

from __future__ import print_function

import optparse

import re

import sys

      return None

  def __iter__(self):

    if hasattr(self.lines, 'iteritems'):

      return self.lines.iteritems()

    return iter(self.lines.items())

  def trace(self, tgt, prereq):

    self.__visit = self.__visit + 1

    return result

def help():

  print "Commands:"

  print "  dep TARGET             Print the prerequisites for TARGET"

  print "  trace TARGET PREREQ    Print the paths from TARGET to PREREQ"

  print("Commands:")

  print("  dep TARGET             Print the prerequisites for TARGET")

  print("  trace TARGET PREREQ    Print the paths from TARGET to PREREQ")

def main(argv):

  deps = Dependencies()

  filename = args[0]

  print "Reading %s" % filename

  print("Reading %s" % filename)

  if True:

    f = open(filename)

          deps.add(tgt, prereq)

    f.close()

  print "Read %d dependencies. %d targets." % (deps.count, len(deps.lines))

  print("Read %d dependencies. %d targets." % (deps.count, len(deps.lines)))

  while True:

    line = raw_input("target> ")

    if not line.strip():

      d = deps.get(tgt)

      if d:

        for prereq in d.prereqs:

          print prereq.tgt

          print(prereq.tgt)

    elif len(split) == 3 and cmd == "trace":

      tgt = split[1]

      prereq = split[2]

      if False:

        print "from %s to %s" % (tgt, prereq)

        print("from %s to %s" % (tgt, prereq))

      trace = deps.trace(tgt, prereq)

      if trace:

        width = 0

        for g in trace:

          for t in g:

            if t.pos:

              print t.tgt, " " * (width-len(t.tgt)), "  #", t.pos

              print(t.tgt, " " * (width-len(t.tgt)), "  #", t.pos)

            else:

              print t.tgt

          print

              print(t.tgt)

          print()

    else:

      help()

  try:

    main(sys.argv)

  except KeyboardInterrupt:

    print

    print()

  except EOFError:

    print

    print()