#!/usr/bin/env python
#
# Copyright (c) 2009 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import optparse
import os
import re
import subprocess
import sys

variable_re = re.compile('^VARIABLE: (.*)$', re.M)
elapsed_re = re.compile('^ELAPSED: (.*)$', re.M)

def main(argv=None):
    if argv is None:
        argv = sys.argv

    parser = optparse.OptionParser(usage="calibrate.py [-h] [--min time] [--max time] timings/*/*-run.py")
    parser.add_option('--min', type='float', default=9.5,
                      help="minimum acceptable execution time (default 9.5)")
    parser.add_option('--max', type='float', default=10.00,
                      help="maximum acceptable execution time (default 10.00)")
    opts, args = parser.parse_args(argv[1:])

    os.environ['TIMESCONS_CALIBRATE'] = '1'

    for arg in args:
        if len(args) > 1:
            print arg + ':'

        command = [sys.executable, 'runtest.py', '--noqmtest', arg]

        run = 1
        good = 0
        while good < 3:
            p = subprocess.Popen(command,
                                 stdout=subprocess.PIPE,
                                 stderr=subprocess.STDOUT)
            output = p.communicate()[0]
            vm = variable_re.search(output)
            em = elapsed_re.search(output)
            elapsed = float(em.group(1))
            print "run %3d: %7.3f:  %s" % (run, elapsed, ' '.join(vm.groups()))
            if opts.min < elapsed and elapsed < opts.max:
                good += 1
            else:
                good = 0
                for v in vm.groups():
                    var, value = v.split('=', 1)
                    value = int((int(value) * opts.max) / elapsed)
                    os.environ[var] = str(value)
            run += 1

    return 0

if __name__ == "__main__":
    sys.exit(main())

@@ -1412,16 +1412,30 @@
 .py %5B-h%5D
+ %5B-p PACKAGE%5D,
  %5B--min 
@@ -1474,16 +1474,16 @@
 un.py%22)%0A
-
     pars
@@ -1746,24 +1746,123 @@
 lt 10.00)%22)%0A
+    parser.add_option('-p', '--package', type=%22string%22,%0A                      help=%22package type%22)%0A
     opts, ar
@@ -2081,14 +2081,111 @@
 est'
-, arg%5D
+%5D%0A        if opts.package:%0A            command.extend(%5B'-p', opts.package%5D)%0A        command.append(arg)
 %0A%0A  

Add a -p option to support calibrating against build SCons packages.