author | Alexandre Fayolle |
Thu, 22 Dec 2011 17:56:04 +0100 | |
branch | stable |
changeset 8145 | e88a24f88143 |
parent 6198 | f8dea560703f |
child 10589 | 7c23b7de2b8d |
permissions | -rw-r--r-- |
try: rtype, = __args__ except ValueError: print 'USAGE: cubicweb-ctl shell <instance> detect_cycle.py -- <relation type>' print graph = {} for fromeid, toeid in rql('Any X,Y WHERE X %s Y' % rtype): graph.setdefault(fromeid, []).append(toeid) from logilab.common.graph import get_cycles for cycle in get_cycles(graph): print 'cycle', '->'.join(str(n) for n in cycle)