class AVScanner(object):
def __init__(self):
self.multi_av = CMultiAV("%s/cmultiav.cfg" % os.path.dirname(__file__))
def has_virus(self, file, parallel=True):
with tempfile.NamedTemporaryFile(delete=False) as temporaryfile:
temporaryfile.write(file.read())
temporaryfile.close()
permission = 0o664 # PEP 3127: octal literals
os.chmod(temporaryfile.name, permission) # clamav needs permission to scan
if parallel:
# TODO: Handle the case for when no scanner is installed ...
# Currently we say that nothing was found...
# The single core case works as expected
ret = self.multi_av.scan(temporaryfile.name, AV_SPEED_MEDIUM)
else:
try:
ret = self.multi_av.single_scan(temporaryfile.name, AV_SPEED_MEDIUM)
except OSError:
# It would seem a scanner is not installed...
return True, "No virus scanner was found on the system..."
os.unlink(temporaryfile.name)
for x in list(ret.values()):
if x != {}:
# all is lost as soon as one scanner finds something
return True, ret
return False, None
