cppcheck/tools/daca2.py

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#!/usr/bin/python
#
# 1. Create a folder daca2 in your HOME folder
# 2. Put cppcheck-O2 in daca2. It should be built with all optimisations.
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# 3. Optional: Put a file called "suppressions.txt" in the daca2 folder.
# 4. Optional: tweak FTPSERVER and FTPPATH in this script below.
# 5. Run the daca2 script: python daca2.py FOLDER
import subprocess
import sys
import shutil
import glob
import os
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import datetime
import time
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DEBIAN = ['ftp://ftp.se.debian.org/debian/',
'ftp://ftp.debian.org/debian/']
def wget(filepath):
filename = filepath
if filepath.find('/') >= 0:
filename = filename[filename.rfind('/') + 1:]
for d in DEBIAN:
subprocess.call(
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['nice', 'wget', '--tries=10', '--timeout=300', '-O', filename, d + filepath])
if os.path.isfile(filename):
return True
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print('Sleep for 10 seconds..')
time.sleep(10)
return False
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def getpackages(folder):
if not wget('ls-lR.gz'):
return []
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subprocess.call(['nice', 'gunzip', 'ls-lR.gz'])
f = open('ls-lR', 'rt')
lines = f.readlines()
f.close()
subprocess.call(['rm', 'ls-lR'])
path = None
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archives = []
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filename = None
for line in lines:
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line = line.strip()
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if len(line) < 4:
if filename:
archives.append(path + '/' + filename)
path = None
filename = None
elif line[:13 + len(folder)] == './pool/main/' + folder + '/':
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path = line[2:-1]
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elif path and line.find('.orig.tar.') > 0:
filename = line[1 + line.rfind(' '):]
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for a in archives:
print(a)
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return archives
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def handleRemoveReadonly(func, path, exc):
import stat
if not os.access(path, os.W_OK):
# Is the error an access error ?
os.chmod(path, stat.S_IWUSR)
func(path)
else:
raise
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def removeAllExceptResults():
filenames = []
for g in glob.glob('[A-Za-z0-9]*'):
filenames.append(g)
for g in glob.glob('.[a-z]*'):
filenames.append(g)
for filename in filenames:
count = 5
while count > 0:
count = count - 1
try:
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if os.path.isdir(filename):
shutil.rmtree(filename, onerror=handleRemoveReadonly)
elif filename != 'results.txt':
os.remove(filename)
break
except WindowsError as err:
time.sleep(30)
if count == 0:
f = open('results.txt','at')
f.write('Failed to cleanup ' + filename + ': ' + str(err))
f.close()
except OSError as err:
time.sleep(30)
if count == 0:
f = open('results.txt','at')
f.write('Failed to cleanup ' + filename + ': ' + str(err))
f.close()
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def removeLargeFiles(path):
for g in glob.glob(path + '*'):
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if g == '.' or g == '..':
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continue
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if os.path.islink(g):
continue
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if os.path.isdir(g):
# Remove test code
if g.endswith('/testsuite') or g.endswith('/clang/INPUTS'):
shutil.rmtree(g, onerror=handleRemoveReadonly)
else:
removeLargeFiles(g + '/')
elif os.path.isfile(g) and g[-4:] != '.txt':
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statinfo = os.stat(g)
if statinfo.st_size > 1000000:
try:
os.remove(g)
except OSError as err:
f = open('results.txt','at')
f.write('Failed to remove ' + g + ': ' + str(err))
f.close()
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def strfCurrTime(fmt):
return datetime.time.strftime(datetime.datetime.now().time(), fmt)
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def scanarchive(filepath, jobs, cpulimit):
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# remove all files/folders except results.txt
removeAllExceptResults()
results = open('results.txt', 'at')
results.write(DEBIAN[0] + filepath + '\n')
results.close()
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if not wget(filepath):
if not wget(filepath):
results = open('results.txt', 'at')
results.write('wget failed\n')
results.close()
return
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filename = filepath[filepath.rfind('/') + 1:]
if filename[-3:] == '.gz':
subprocess.call(['tar', 'xzvf', filename])
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elif filename[-3:] == '.xz':
subprocess.call(['tar', 'xJvf', filename])
elif filename[-4:] == '.bz2':
subprocess.call(['tar', 'xjvf', filename])
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removeLargeFiles('')
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print(strfCurrTime('[%H:%M] cppcheck ') + filename)
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cmd = '../cppcheck-O2 -D__GCC__ --enable=style --error-exitcode=0 --exception-handling=stderr ' + jobs + ' .'
if cpulimit:
cmd = 'cpulimit --limit=' + cpulimit + ' ' + cmd
else:
cmd = 'nice --adjustment=1000 ' + cmd
p = subprocess.Popen(cmd.split(' '), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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comm = p.communicate()
results = open('results.txt', 'at')
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if p.returncode == 0:
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results.write(comm[1] + strfCurrTime('[%H:%M]') + '\n')
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elif comm[0].find('cppcheck: error: could not find or open any of the paths given.') < 0:
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results.write(comm[1] + strfCurrTime('[%H:%M]') + '\n')
results.write('Exit code is not zero! Crash?\n')
results.write('\n')
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results.close()
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FOLDER = None
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JOBS = '-j1'
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REV = None
SKIP = []
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WORKDIR = os.path.expanduser('~/daca2')
CPULIMIT = None
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for arg in sys.argv[1:]:
if arg[:6] == '--rev=':
REV = arg[6:]
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elif arg[:2] == '-j':
JOBS = arg
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elif arg.startswith('--skip='):
SKIP.append(arg[7:])
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elif arg.startswith('--workdir='):
WORKDIR = arg[10:]
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elif arg.startswith('--cpulimit='):
CPULIMIT = arg[11:]
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else:
FOLDER = arg
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if not FOLDER:
print('no folder given')
sys.exit(1)
if not os.path.isdir(WORKDIR):
print('workdir \'' + WORKDIR + '\' is not a folder')
sys.exit(1)
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archives = getpackages(FOLDER)
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if len(archives) == 0:
print('failed to load packages')
sys.exit(1)
if not WORKDIR.endswith('/'):
WORKDIR = WORKDIR + '/'
print('~/daca2/' + FOLDER)
if not os.path.isdir(WORKDIR + FOLDER):
os.makedirs(WORKDIR + FOLDER)
os.chdir(WORKDIR + FOLDER)
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try:
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results = open('results.txt', 'wt')
results.write('STARTDATE ' + str(datetime.date.today()) + '\n')
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results.write('STARTTIME ' + strfCurrTime('%H:%M:%S') + '\n')
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if REV:
results.write('GIT-REVISION ' + REV + '\n')
results.write('\n')
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results.close()
for archive in archives:
if len(SKIP) > 0:
a = archive[:archive.rfind('/')]
a = a[a.rfind('/')+1:]
if a in SKIP:
continue
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scanarchive(archive, JOBS, CPULIMIT)
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results = open('results.txt', 'at')
results.write('DATE ' + str(datetime.date.today()) + '\n')
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results.write('TIME ' + strfCurrTime('%H:%M:%S') + '\n')
results.close()
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except EOFError:
pass
# remove all files/folders except results.txt
removeAllExceptResults()