def importAndBisect(self,
good,
bad,
testcondition=None,
args_for_condition=[]):
#Convenience function for API use only
conditionscript = ximport.importRelativeOrAbsolute(testcondition)
self.bisect(good,
bad,
testcondition=conditionscript,
args_for_condition=args_for_condition)
def interesting(cliArgs, tempPrefix):
(options, rangeMin, rangeMax, arguments) = parseOptions(cliArgs)
conditionScript = ximport.importRelativeOrAbsolute(arguments[0])
conditionArgs = arguments[1:]
if hasattr(conditionScript, "init"):
conditionScript.init(conditionArgs)
assert (rangeMax - rangeMin) >= 0
for i in xrange(rangeMin, rangeMax + 1):
# This doesn't do anything if RANGENUM is not found.
replacedConditionArgs = [s.replace('RANGENUM', str(i)) for s in conditionArgs]
print 'Range number ' + str(i) + ':',
if conditionScript.interesting(replacedConditionArgs, tempPrefix):
return True
return False
def interesting(cliArgs, tempPrefix):
(rangeMin, rangeMax, arguments) = parseOptions(cliArgs)
conditionScript = ximport.importRelativeOrAbsolute(arguments[0])
conditionArgs = arguments[1:]
if hasattr(conditionScript, "init"):
conditionScript.init(conditionArgs)
assert (rangeMax - rangeMin) >= 0
for i in xrange(rangeMin, rangeMax + 1):
# This doesn't do anything if RANGENUM is not found.
replacedConditionArgs = [
s.replace('RANGENUM', str(i)) for s in conditionArgs
]
print 'Range number ' + str(i) + ':',
if conditionScript.interesting(replacedConditionArgs, tempPrefix):
return True
return False
def externalTestAndLabel(options, interestingness):
'''Make use of interestingness scripts to decide whether the changeset is good or bad.'''
conditionScript = ximport.importRelativeOrAbsolute(interestingness[0])
conditionArgPrefix = interestingness[1:]
def inner(shellFilename, hgHash):
conditionArgs = conditionArgPrefix + [shellFilename] + options.paramList
tempDir = tempfile.mkdtemp(prefix="abExtTestAndLabel-" + hgHash)
tempPrefix = os.path.join(tempDir, 't')
if hasattr(conditionScript, "init"):
# Since we're changing the js shell name, call init() again!
conditionScript.init(conditionArgs)
if conditionScript.interesting(conditionArgs, tempPrefix):
innerResult = ('bad', 'interesting')
else:
innerResult = ('good', 'not interesting')
if os.path.isdir(tempDir):
sps.rmTreeIncludingReadOnly(tempDir)
return innerResult
return inner
def externalTestAndLabel(options, interestingness):
'''Make use of interestingness scripts to decide whether the changeset is good or bad.'''
conditionScript = ximport.importRelativeOrAbsolute(interestingness[0])
conditionArgPrefix = interestingness[1:]
def inner(shellFilename, hgHash):
conditionArgs = conditionArgPrefix + [shellFilename] + options.paramList
tempDir = tempfile.mkdtemp(prefix="abExtTestAndLabel-" + hgHash)
tempPrefix = os.path.join(tempDir, 't')
if hasattr(conditionScript, "init"):
# Since we're changing the js shell name, call init() again!
conditionScript.init(conditionArgs)
if conditionScript.interesting(conditionArgs, tempPrefix):
innerResult = ('bad', 'interesting')
else:
innerResult = ('good', 'not interesting')
if os.path.isdir(tempDir):
sps.rmTreeIncludingReadOnly(tempDir)
return innerResult
return inner
def cli():
#Command line interface
usage = """usage: %prog --good=[changeset] --bad=[changeset] [options] \n %prog --single=[changeset] -e
"""
parser = OptionParser(usage=usage, version="%prog " + progVersion)
parser.disable_interspersed_args()
group1 = OptionGroup(parser, "Global Options", "")
group1.add_option(
"-j",
"--cores",
dest="cores",
default=cpuCount(),
help=
"Max simultaneous make jobs (default: %default, the number of cores on this system)",
metavar="[numjobs]")
group1.add_option("-m",
"--mozconfig",
dest="mozconf",
help="external mozconfig if so desired",
metavar="[mozconf path]",
default=False)
group1.add_option("-f",
"--freshtrunk",
action="store_true",
dest="makeClean",
default=False,
help="Delete old trunk and use a fresh one")
group1.add_option(
"-d",
"--deletetrunk",
action="store_true",
dest="deleteTrunk",
default=False,
help=
"Cleanup Flag: deletes the temp directory / trunk generated. Do not use with other flags, this is just for convenient cleanup."
)
group2 = OptionGroup(parser, "Bisector Options",
"These are options for bisecting on changesets. Dates are retrieved from pushlog " \
"and are not as reliable as exact changeset numbers.")
group2.add_option("-g",
"--good",
dest="good",
help="Last known good revision",
metavar="[changeset or date]")
group2.add_option("-b",
"--bad",
dest="bad",
help="Broken commit revision",
metavar="[changeset or date]")
group3 = OptionGroup(parser, "Single Changeset Options",
"These are options for building a single changeset")
group3.add_option("-s",
"--single",
dest="single",
help="Build a single changeset",
metavar="[changeset]")
group3.add_option("-e",
"--run",
action="store_true",
dest="run",
default=False,
help="run a single changeset")
group4 = OptionGroup(
parser, "Binary building options",
"These are options for building binaries from a single changeset")
group4.add_option("-x",
"--binary",
action="store_true",
dest="binary",
default=False,
help="build binary and return path to it")
group4.add_option(
"-q",
"--revision",
dest="revision",
default=None,
metavar="[changeset]",
help="revision number for single changeset to build binary from")
group5 = OptionGroup(parser, "Automatic Testing Options",
"Options for using an automated test instead of interactive prompting for bisection. " \
"Please read documentation on how to write testing functions for this script.")
group5.add_option("-c", "--condition", dest="condition", default=None, metavar="[condtest.py -opt1 -opt2]",
help="External condition for bisecting. " \
"Note: THIS MUST BE THE LAST OPTION CALLED.")
group6 = OptionGroup(
parser, "Remote Options",
"If you don't have a build environment you can push to tryserver to build. Warning: not recommended -- very very slow. Uses a trypusher server (see http://github.com/samliu/moztrypusher). Another option here is to use mozilla's remote build cache to avoid a lot of building. Warning: breaks support for the automated test."
)
group6.add_option("-t",
"--try",
action="store_true",
dest="trypusher",
help="Build remotely with trypusher",
default=False)
group6.add_option("-n",
"--host",
dest="tryhost",
metavar="[trypusher server hostname]",
help="Trypusher host",
default="localhost")
group6.add_option("-p",
"--port",
dest="tryport",
metavar="[trypusher server port]",
help="Trypusher Port",
default=8080)
group2.add_option(
"-r",
"--remote",
action="store_true",
dest="remote",
help="Use remote build cache to avoid extra builds (NOT YET WORKING)",
default=False)
group7 = OptionGroup(
parser, "Broken and Unstable Options",
"Caution: use these options at your own risk. "
"They aren't recommended.")
group7.add_option(
"-R",
"--repo",
dest="repoURL",
help="alternative mercurial repo to bisect NOTE: NEVER BEEN TESTED",
metavar="valid repository url")
parser.add_option_group(group1)
parser.add_option_group(group2)
parser.add_option_group(group3)
parser.add_option_group(group4)
parser.add_option_group(group5)
parser.add_option_group(group6)
parser.add_option_group(group7)
(options, args_for_condition) = parser.parse_args()
# If a user only wants to make clean or has supplied no options:
if (not options.good or not options.bad
) and not options.single and not options.deleteTrunk:
if options.makeClean:
#Make a clean trunk and quit.
commitBuilder = Builder(clean=options.makeClean)
else:
# Not enough relevant parameters were given
# Print a help message and quit.
print """Use -h flag for available options."""
print """To bisect, you must specify both a good and a bad date. (-g and -b flags are not optional)."""
print """You can also use the --single=[chset] flag to build and --run to run a single changeset."""
quit()
# Set up a trunk for either bisection or build.
mozConfiguration = options.mozconf
commitBuilder = Builder(clean=options.makeClean,
mozconf=mozConfiguration,
tryhost=options.tryhost,
tryport=options.tryport,
remote=options.remote,
tryPusher=options.trypusher,
deleteTrunk=options.deleteTrunk)
if options.cores:
commitBuilder.cores = options.cores
commitBuilder.mozconfigure()
# For building single commits:
if options.single:
if options.run:
commitBuilder.buildAndRun(changeset=options.single)
print "Firefox successfully built and ran!"
elif options.binary:
commitBuilder.getBinary(revision=options.single)
else:
commitBuilder.build(changeset=options.single)
print "Local trunk built. Not running."
# For bisections:
elif options.good and options.bad:
print "Begin interactive commit bisect!\n"
if options.repoURL:
commitBuilder.repoURL = options.repoURL
print "Using alternative repository " + options.repoURL
conditionscript = None
if options.condition:
conditionscript = ximport.importRelativeOrAbsolute(
options.condition)
if options.remote:
#Build remotely!
pass
commitBuilder.bisect(options.good,
options.bad,
testcondition=conditionscript,
args_for_condition=args_for_condition)
# Should not get here.
else:
print "Invalid input. Please try again."
allPositionalArgs = args
if len(args) == 0:
# No arguments; not even a condition was specified
usage()
return
if len(args) > 1:
testcaseFilename = args[-1] # can be overridden by --testcase in processOptions
processOptions(opts)
if testcaseFilename == None:
usageError("No testcase specified (use --testcase or last condition arg)")
conditionScript = ximport.importRelativeOrAbsolute(args[0])
conditionArgs = args[1:]
e = testcaseFilename.rsplit(".", 1)
if len(e) > 1:
testcaseExtension = "." + e[1]
readTestcase()
if hasattr(conditionScript, "init"):
conditionScript.init(conditionArgs)
try:
if tempDir == None:
createTempDir()
def cli():
#Command line interface
usage = """usage: %prog --good=[changeset] --bad=[changeset] [options] \n %prog --single=[changeset] -e
"""
parser = OptionParser(usage=usage,version="%prog "+progVersion)
parser.disable_interspersed_args()
group1 = OptionGroup(parser, "Global Options",
"")
group1.add_option("-j", "--cores", dest="cores", default=cpuCount(),
help="Max simultaneous make jobs (default: %default, the number of cores on this system)",
metavar="[numjobs]")
group1.add_option("-m", "--mozconfig", dest="mozconf",
help="external mozconfig if so desired",
metavar="[mozconf path]", default=False)
group1.add_option("-f", "--freshtrunk", action = "store_true", dest="makeClean", default=False,
help="Delete old trunk and use a fresh one")
group2 = OptionGroup(parser, "Bisector Options",
"These are options for bisecting on changesets. Dates are retrieved from pushlog " \
"and are not as reliable as exact changeset numbers.")
group2.add_option("-g", "--good", dest="good",
help="Last known good revision",
metavar="[changeset or date]")
group2.add_option("-b", "--bad", dest="bad",
help="Broken commit revision",
metavar="[changeset or date]")
group3 = OptionGroup(parser, "Single Changeset Options",
"These are options for building a single changeset")
group3.add_option("-s", "--single", dest="single",
help="Build a single changeset",
metavar="[changeset]")
group3.add_option("-e", "--run", action="store_true", dest="run", default=False,
help="run a single changeset")
group4 = OptionGroup(parser, "Binary building options",
"These are options for building binaries from a single changeset")
group4.add_option("-x", "--binary", action="store_true", dest="binary", default=False,
help="build binary and return path to it")
group4.add_option("-q", "--revision", dest="revision", default=None, metavar="[changeset]",
help="revision number for single changeset to build binary from")
group5 = OptionGroup(parser, "Automatic Testing Options",
"Options for using an automated test instead of interactive prompting for bisection. " \
"Please read documentation on how to write testing functions for this script.")
group5.add_option("-c", "--condition", dest="condition", default=None, metavar="[condtest.py -opt1 -opt2]",
help="External condition for bisecting. " \
"Note: THIS MUST BE THE LAST OPTION CALLED.")
group6 = OptionGroup(parser, "Remote Options",
"If you don't have a build environment you can push to tryserver to build. Warning: not recommended -- very very slow. Uses a trypusher server (see http://github.com/samliu/moztrypusher). Another option here is to use mozilla's remote build cache to avoid a lot of building. Warning: breaks support for the automated test.")
group6.add_option("-t", "--try", action="store_true", dest="trypusher",
help="Build remotely with trypusher",
default=False)
group6.add_option("-n", "--host",dest="tryhost", metavar="[trypusher server hostname]",
help="Trypusher host",
default="localhost")
group6.add_option("-p", "--port", dest="tryport", metavar="[trypusher server port]",
help="Trypusher Port",
default=8080)
group2.add_option("-r", "--remote", action="store_true", dest="remote",
help="Use remote build cache to avoid extra builds (NOT YET WORKING)",
default=False)
group7 = OptionGroup(parser, "Broken and Unstable Options",
"Caution: use these options at your own risk. "
"They aren't recommended.")
group7.add_option("-R", "--repo", dest="repoURL",
help="alternative mercurial repo to bisect NOTE: NEVER BEEN TESTED",
metavar="valid repository url")
parser.add_option_group(group1)
parser.add_option_group(group2)
parser.add_option_group(group3)
parser.add_option_group(group4)
parser.add_option_group(group5)
parser.add_option_group(group6)
parser.add_option_group(group7)
(options, args_for_condition) = parser.parse_args()
# If a user only wants to make clean or has supplied no options:
if (not options.good or not options.bad) and not options.single:
if options.makeClean:
#Make a clean trunk and quit.
commitBuilder = Builder(clean=options.makeClean)
else:
# Not enough relevant parameters were given
# Print a help message and quit.
print """Use -h flag for available options."""
print """To bisect, you must specify both a good and a bad date. (-g and -b flags are not optional)."""
print """You can also use the --single=[chset] flag to build and --run to run a single changeset."""
quit()
# Set up a trunk for either bisection or build.
mozConfiguration = options.mozconf
commitBuilder = Builder(clean=options.makeClean, mozconf=mozConfiguration, tryhost=options.tryhost, tryport=options.tryport, remote=options.remote, tryPusher=options.trypusher)
if options.cores:
commitBuilder.cores = options.cores
commitBuilder.mozconfigure()
# For building single commits:
if options.single:
if options.run:
commitBuilder.buildAndRun(changeset=options.single)
print "Firefox successfully built and ran!"
elif options.binary:
commitBuilder.getBinary(revision=options.single)
else:
commitBuilder.build(changeset=options.single)
print "Local trunk built. Not running."
# For bisections:
elif options.good and options.bad:
print "Begin interactive commit bisect!\n"
if options.repoURL:
commitBuilder.repoURL = options.repoURL
print "Using alternative repository "+options.repoURL
conditionscript = None
if options.condition:
conditionscript = ximport.importRelativeOrAbsolute(options.condition)
if options.remote:
#Build remotely!
pass
commitBuilder.bisect(options.good,options.bad, testcondition=conditionscript, args_for_condition=args_for_condition)
# Should not get here.
else:
print "Invalid input. Please try again."
def importAndBisect(self, good, bad, testcondition=None, args_for_condition=[]):
#Convenience function for API use only
conditionscript = ximport.importRelativeOrAbsolute(testcondition)
self.bisect(good,bad, testcondition=conditionscript, args_for_condition=args_for_condition)
def processOptions():
global atom, conditionArgs, conditionScript, strategy, testcaseExtension, testcaseFilename, tempDir
global minimizeRepeat, minimizeMin, minimizeMax, minimizeChunkStart, minimizeRepeatFirstRound, stopAfterTime
parser = argparse.ArgumentParser(
description="Lithium, an automated testcase reduction tool by Jesse Ruderman.",
epilog="See doc/using.html for more information.",
usage="./lithium.py [options] condition [condition options] file-to-reduce\n\n"
"example: "
"./lithium.py crashes 120 ~/tracemonkey/js/src/debug/js -j a.js\n"
" Lithium will reduce a.js subject to the condition that the following\n"
" crashes in 120 seconds:\n"
" ~/tracemonkey/js/src/debug/js -j a.js")
grp_opt = parser.add_argument_group(description="Lithium options")
grp_opt.add_argument(
"--testcase",
help="testcase file. default: last argument is used.")
grp_opt.add_argument(
"--tempdir",
help="specify the directory to use as temporary directory.")
grp_opt.add_argument(
"-c", "--char",
action="store_true",
help="Don't treat lines as atomic units; treat the file as a sequence of characters rather than a sequence of lines.")
grp_opt.add_argument(
"--strategy",
default="minimize",
choices=["minimize", "check-only"],
help="reduction strategy to use. default: minimize")
grp_add = parser.add_argument_group(description="Additional options for the default strategy")
grp_add.add_argument(
"--min", type=int,
default=1,
help="must be a power of two. default: 1")
grp_add.add_argument(
"--max", type=int,
default=pow(2, 30),
help="must be a power of two. default: about half of the file")
grp_add.add_argument(
"--repeat",
default="last",
choices=["always", "last", "never"],
help="Whether to repeat a chunk size if chunks are removed. default: last")
grp_add.add_argument(
"--chunksize", type=int,
default=None,
help="Shortcut for repeat=never, min=n, max=n. chunk size must be a power of two.")
grp_add.add_argument(
"--chunkstart", type=int,
default=0,
help="For the first round only, start n chars/lines into the file. Best for max to divide n. [Mostly intended for internal use]")
grp_add.add_argument(
"--repeatfirstround", default=False, action="store_true",
help="Treat the first round as if it removed chunks; possibly repeat it. [Mostly intended for internal use]")
grp_add.add_argument(
"--maxruntime", type=int,
default=None,
help="If reduction takes more than n seconds, stop (and print instructions for continuing).")
grp_ext = parser.add_argument_group(description="Condition, condition options and file-to-reduce")
grp_ext.add_argument(
"extra_args",
action="append",
nargs=argparse.REMAINDER,
help="condition [condition options] file-to-reduce")
args = parser.parse_args()
tempDir = args.tempdir
atom = "char" if args.char else "line"
strategy = args.strategy
if args.chunksize:
minimizeMin = args.chunksize
minimizeMax = args.chunksize
minimizeRepeat = "never"
else:
minimizeMin = args.min
minimizeMax = args.max
minimizeRepeat = args.repeat
minimizeChunkStart = args.chunkstart
minimizeRepeatFirstRound = args.repeatfirstround
if args.maxruntime:
stopAfterTime = time.time() + args.maxruntime
extra_args = args.extra_args[0]
if args.testcase:
testcaseFilename = args.testcase
elif len(extra_args) > 0:
testcaseFilename = extra_args[-1] # can be overridden by --testcase in processOptions
else:
print "No testcase specified (use --testcase or last condition arg)"
return False
testcaseExtension = os.path.splitext(testcaseFilename)[1]
if not isPowerOfTwo(minimizeMin) or not isPowerOfTwo(minimizeMax):
print "Min/Max must be powers of two."
return False
conditionScript = ximport.importRelativeOrAbsolute(extra_args[0])
conditionArgs = extra_args[1:]
return True
def bisectRecurse(self, testfile=None, testpath=None, testcondition=None, args_for_condition=[]):
#Recursively build, run, and prompt
verdict = ""
try:
self.build()
except Exception:
verdict = "skip"
if verdict == "skip":
pass
elif testfile==None and testpath==None and testcondition==None:
#Not using a test, interactive bisect begin!
self.run()
elif testcondition != None:
#Using Jesse's idea: import any testing script and run it as the truth condition
conditionscript = ximport.importRelativeOrAbsolute(testcondition)
args_to_pass = [self.objdir] + args_for_condition
conditionscript.init(args_to_pass)
#TODO: refactor to use directories with revision numbers
tmpdir = tempfile.mkdtemp()
#If conditionscript is true, that means there was a bug.
#If conditionscript is false, that means the bug is not present.
verdict = conditionscript.interesting(args_to_pass,tmpdir)
verdict = "bad" if verdict else "good"
else:
if testfile == None:
#Using External testfile
#1. Clear self.mochitest_tmp
try:
shutil.rmtree(self.mochitest_tmp)
except:
pass
#2. Move file from testpath to self.mochitest_tmp
try:
os.mkdir(self.mochitest_tmp)
dst = os.path.join(self.mochitest_tmp,"test_bug999999.html")
subprocess.call(['touch',dst])
print "copy " + str(testpath) + " to " +dst
shutil.copy(str(testpath),dst)
except:
print "Unable to generate test path, quitting. Is your inputted test a valid mochitest?"
quit()
#3. Make mochitest use the commitbuilder directory.
testfile="commitbuilder"
#DEBUG
#testfile = "content/base/test/test_CrossSiteXHR.html"
print "Trying testfile "+str(testfile)
#TODO:
# 1. Copy relevant test to a directory of my choice
#sts = os.system("TEST_PATH="+testpath+" EXTRA_TEST_ARGS='--close-when-done' make -C " +self.objdir+ " mochitest-plain")
sts = subprocess.call(['make','-C',self.objdir,'mochitest-plain'],stdout=open('/dev/null','w'),env={'TEST_PATH': testfile, 'EXTRA_TEST_ARGS':"--close-when-done"})
shutil.rmtree(self.mochitest_tmp) #cleanup
if sts != 0:
verdict = "bad"
print "============================"
print "Verdict: FAILED test, bad changeset detected!"
print "============================"
else:
verdict = "good"
print "============================"
print "Verdict: PASSED test, good changeset detected!"
print "============================"
while verdict not in ["good", "bad", "skip"]:
verdict = raw_input("Was this commit good or bad? (type 'good', 'bad', or 'skip'): ")
# do hg bisect --good, --bad, or --skip
verdictCommand = self.hgPrefix+["bisect","--"+verdict]
print " ".join(verdictCommand)
retval = captureStdout(verdictCommand)
print str(retval)
# HACK
if retval[1] == 'h': #if retval starts with "the" then we can quit
quit()
elif retval[1] == 'e': #if retval starts with "testing" then it needs to keep going
print "\n"
else:
print "Something went wrong! :("
quit()
self.bisectRecurse(testfile=testfile, testpath=testpath, testcondition=testcondition, args_for_condition=args_for_condition)
def processOptions():
global atom, conditionArgs, conditionScript, strategy, testcaseExtension, testcaseFilename, tempDir
global minimizeRepeat, minimizeMin, minimizeMax, minimizeChunkStart, minimizeRepeatFirstRound, stopAfterTime
parser = argparse.ArgumentParser(
description=
"Lithium, an automated testcase reduction tool by Jesse Ruderman.",
epilog="See doc/using.html for more information.",
usage=
"./lithium.py [options] condition [condition options] file-to-reduce\n\n"
"example: "
"./lithium.py crashes 120 ~/tracemonkey/js/src/debug/js -j a.js\n"
" Lithium will reduce a.js subject to the condition that the following\n"
" crashes in 120 seconds:\n"
" ~/tracemonkey/js/src/debug/js -j a.js")
grp_opt = parser.add_argument_group(description="Lithium options")
grp_opt.add_argument("--testcase",
help="testcase file. default: last argument is used.")
grp_opt.add_argument(
"--tempdir",
help="specify the directory to use as temporary directory.")
grp_opt.add_argument(
"-c",
"--char",
action="store_true",
help=
"Don't treat lines as atomic units; treat the file as a sequence of characters rather than a sequence of lines."
)
grp_opt.add_argument("--strategy",
default="minimize",
choices=["minimize", "check-only"],
help="reduction strategy to use. default: minimize")
grp_add = parser.add_argument_group(
description="Additional options for the default strategy")
grp_add.add_argument("--min",
type=int,
default=1,
help="must be a power of two. default: 1")
grp_add.add_argument(
"--max",
type=int,
default=pow(2, 30),
help="must be a power of two. default: about half of the file")
grp_add.add_argument(
"--repeat",
default="last",
choices=["always", "last", "never"],
help=
"Whether to repeat a chunk size if chunks are removed. default: last")
grp_add.add_argument(
"--chunksize",
type=int,
default=None,
help=
"Shortcut for repeat=never, min=n, max=n. chunk size must be a power of two."
)
grp_add.add_argument(
"--chunkstart",
type=int,
default=0,
help=
"For the first round only, start n chars/lines into the file. Best for max to divide n. [Mostly intended for internal use]"
)
grp_add.add_argument(
"--repeatfirstround",
default=False,
action="store_true",
help=
"Treat the first round as if it removed chunks; possibly repeat it. [Mostly intended for internal use]"
)
grp_add.add_argument(
"--maxruntime",
type=int,
default=None,
help=
"If reduction takes more than n seconds, stop (and print instructions for continuing)."
)
grp_ext = parser.add_argument_group(
description="Condition, condition options and file-to-reduce")
grp_ext.add_argument("extra_args",
action="append",
nargs=argparse.REMAINDER,
help="condition [condition options] file-to-reduce")
args = parser.parse_args()
tempDir = args.tempdir
atom = "char" if args.char else "line"
strategy = args.strategy
if args.chunksize:
minimizeMin = args.chunksize
minimizeMax = args.chunksize
minimizeRepeat = "never"
else:
minimizeMin = args.min
minimizeMax = args.max
minimizeRepeat = args.repeat
minimizeChunkStart = args.chunkstart
minimizeRepeatFirstRound = args.repeatfirstround
if args.maxruntime:
stopAfterTime = time.time() + args.maxruntime
extra_args = args.extra_args[0]
if args.testcase:
testcaseFilename = args.testcase
elif len(extra_args) > 0:
testcaseFilename = extra_args[
-1] # can be overridden by --testcase in processOptions
else:
print "No testcase specified (use --testcase or last condition arg)"
return False
testcaseExtension = os.path.splitext(testcaseFilename)[1]
if not isPowerOfTwo(minimizeMin) or not isPowerOfTwo(minimizeMax):
print "Min/Max must be powers of two."
return False
conditionScript = ximport.importRelativeOrAbsolute(extra_args[0])
conditionArgs = extra_args[1:]
return True
