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#!/usr/bin/env python
import os
import struct
import sys
version_no=3
class KTestError(Exception):
pass
class KTest:
@staticmethod
def fromfile(path):
if not os.path.exists(path):
print("ERROR: file %s not found" % (path))
sys.exit(1)
f = open(path,'rb')
hdr = f.read(5)
if len(hdr)!=5 or (hdr!=b'KTEST' and hdr != b"BOUT\n"):
raise KTestError('unrecognized file')
version, = struct.unpack('>i', f.read(4))
if version > version_no:
raise KTestError('unrecognized version')
numArgs, = struct.unpack('>i', f.read(4))
args = []
for i in range(numArgs):
size, = struct.unpack('>i', f.read(4))
args.append(str(f.read(size).decode(encoding='ascii')))
if version >= 2:
symArgvs, = struct.unpack('>i', f.read(4))
symArgvLen, = struct.unpack('>i', f.read(4))
else:
symArgvs = 0
symArgvLen = 0
numObjects, = struct.unpack('>i', f.read(4))
objects = []
for i in range(numObjects):
size, = struct.unpack('>i', f.read(4))
name = f.read(size)
size, = struct.unpack('>i', f.read(4))
bytes = f.read(size)
objects.append( (name,bytes) )
# Create an instance
b = KTest(version, args, symArgvs, symArgvLen, objects)
# Augment with extra filename field
b.filename = path
return b
def __init__(self, version, args, symArgvs, symArgvLen, objects):
self.version = version
self.symArgvs = symArgvs
self.symArgvLen = symArgvLen
self.args = args
self.objects = objects
# add a field that represents the name of the program used to
# generate this .ktest file:
program_full_path = self.args[0]
program_name = os.path.basename(program_full_path)
# sometimes program names end in .bc, so strip them
if program_name.endswith('.bc'):
program_name = program_name[:-3]
self.programName = program_name
def trimZeros(str):
for i in range(len(str))[::-1]:
if str[i] != '\x00':
return str[:i+1]
return ''
def main(args):
from optparse import OptionParser
op = OptionParser("usage: %prog [options] files")
op.add_option('','--trim-zeros', dest='trimZeros', action='store_true',
default=False,
help='trim trailing zeros')
op.add_option('','--write-ints', dest='writeInts', action='store_true',
default=False,
help='convert 4-byte sequences to integers')
opts,args = op.parse_args()
if not args:
op.error("incorrect number of arguments")
for file in args:
b = KTest.fromfile(file)
pos = 0
print('ktest file : %r' % file)
print('args : %r' % b.args)
print('num objects: %r' % len(b.objects))
for i,(name,data) in enumerate(b.objects):
if opts.trimZeros:
str = trimZeros(data)
else:
str = data
print('object %4d: name: %r' % (i, name))
print('object %4d: size: %r' % (i, len(data)))
if opts.writeInts and len(data) == 4:
print('object %4d: data: %r' % (i, struct.unpack('i',str)[0]))
else:
print('object %4d: data: %r' % (i, str))
if file != args[-1]:
print()
if __name__=='__main__':
main(sys.argv)
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