mirror of
https://gitlab.com/ita1024/waf.git
synced 2024-11-22 01:46:15 +01:00
123 lines
2.5 KiB
Python
Executable File
123 lines
2.5 KiB
Python
Executable File
#! /usr/bin/env python
|
|
|
|
import os, subprocess, shutil, random, optparse
|
|
|
|
comp = {
|
|
'bz2': 'cjf',
|
|
'xz' : 'cJf',
|
|
'gz' : 'czf',
|
|
}
|
|
|
|
def read_wafdir():
|
|
try:
|
|
os.listdir('waflib')
|
|
except:
|
|
raise ImportError('please provide a waflib directory in the current folder')
|
|
|
|
d = 'waflib'
|
|
lst = [d + os.sep + x for x in os.listdir(d) if x.endswith('.py')]
|
|
e = d + os.sep + 'Tools'
|
|
lst.extend([e + os.sep + x for x in os.listdir(e) if x.endswith('.py')])
|
|
f = d + os.sep + 'extras'
|
|
lst.extend([f + os.sep + x for x in os.listdir(f) if x.endswith('.py')])
|
|
|
|
random.shuffle(lst)
|
|
#lst.sort()
|
|
return lst
|
|
|
|
def gen(lst, options):
|
|
|
|
if options.maxi:
|
|
opti_ref = 0
|
|
filename = 'max.tar.%s' % options.kind
|
|
def compare(a, b):
|
|
return a > b
|
|
else:
|
|
opti_ref = 1000000000
|
|
filename = 'min.tar.%s' % options.kind
|
|
def compare(a, b):
|
|
return a < b
|
|
cmd = 'tar %s %s ' % (comp[options.kind], filename)
|
|
opti = [opti_ref]
|
|
|
|
LEN = len(lst)
|
|
|
|
POP = 3*LEN + 1
|
|
popul = [range(LEN) for x in range(POP)]
|
|
fitn = [0 for x in range(POP)]
|
|
|
|
def rnd():
|
|
return random.randint(0, LEN -1)
|
|
|
|
def mutate():
|
|
for x in range(LEN):
|
|
# rotate the previous element by one
|
|
v = popul[x+LEN] = popul[x+LEN - 1]
|
|
a = v.pop(0)
|
|
v.append(a)
|
|
|
|
for x in range(LEN):
|
|
# swap elements
|
|
a = rnd()
|
|
b = rnd()
|
|
|
|
v = popul[x]
|
|
c = v[a]
|
|
v[a] = v[b]
|
|
v[b] = c
|
|
|
|
for x in range(LEN):
|
|
# get one element out, add at the end
|
|
v = popul[x+2*LEN]
|
|
|
|
a = rnd()
|
|
c = v[a]
|
|
del v[a]
|
|
v.append(c)
|
|
|
|
def evil():
|
|
|
|
best = opti_ref
|
|
pos = -1
|
|
for x in range(len(popul)):
|
|
v = popul[x]
|
|
arr = [lst[a] for a in v]
|
|
tmp = '%s %s' % (cmd, ' '.join(arr))
|
|
subprocess.Popen(tmp, shell=True).wait()
|
|
siz = os.stat(filename).st_size
|
|
|
|
fitn[x] = siz
|
|
if compare(siz, best):
|
|
best = siz
|
|
pos = x
|
|
|
|
if compare(siz, opti[0]):
|
|
opti[0] = siz
|
|
shutil.copy2(filename, 'best_' + filename)
|
|
|
|
#print popul[x], sum(popul[x]), sum(range(LEN))
|
|
assert (sum(popul[x]) == sum(range(LEN)))
|
|
|
|
#print pos
|
|
for x in range(len(popul)):
|
|
if x == pos:
|
|
continue
|
|
popul[x] = popul[pos][:]
|
|
assert(len(popul[x]) == LEN)
|
|
return best
|
|
|
|
for i in range(10000):
|
|
mutate()
|
|
print(evil())
|
|
|
|
if __name__ == '__main__':
|
|
|
|
parser = optparse.OptionParser()
|
|
parser.add_option('--max', dest='maxi', default=False, action='store_true', help='maximize the file size (default is minimize)')
|
|
parser.add_option('--kind', dest='kind', default='bz2', action='store', help='bz2, xz or gz')
|
|
(options, args) = parser.parse_args()
|
|
|
|
lst = read_wafdir()
|
|
gen(lst, options)
|
|
|