def sig_facility(self):
"""
Returns the current signature facility instance if present,
otherwise creates one and caches it.
"""
if not self.sig_fac:
self.sig_fac = md5_facility()
return self.sig_fac
def sig_facility(self):
"""
Returns a signature facility for generating hash signatures for
files. Currently this is an md5 facility that returns md5 sums
for files.
"""
if not self.sig_fac:
self.sig_fac = md5_facility()
return self.sig_fac
