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Fixed #24883 -- Added MigrationGraph.__repr__()

This commit is contained in:
Yoong Kang Lim 2015-06-01 22:46:45 +10:00 committed by Tim Graham
parent bf07ba523a
commit 076a63e672
2 changed files with 9 additions and 4 deletions
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12
django/db/migrations/graph.py
View File

@ -247,10 +247,14 @@ class MigrationGraph(object):
node = stack.pop()
def __str__(self):
return "Graph: %s nodes, %s edges" % (
len(self.nodes),
sum(len(node.parents) for node in self.node_map.values()),
)
return 'Graph: %s nodes, %s edges' % self._nodes_and_edges()
def __repr__(self):
nodes, edges = self._nodes_and_edges()
return '<%s: nodes=%s, edges=%s>' % (self.__class__.__name__, nodes, edges)
def _nodes_and_edges(self):
return len(self.nodes), sum(len(node.parents) for node in self.node_map.values())
def make_state(self, nodes=None, at_end=True, real_apps=None):
"""

1
tests/migrations/test_graph.py
View File

@ -283,3 +283,4 @@ class GraphTests(SimpleTestCase):
graph.add_dependency("app_a.0003", ("app_a", "0003"), ("app_b", "0002"))
self.assertEqual(force_text(graph), "Graph: 5 nodes, 3 edges")
self.assertEqual(repr(graph), "<MigrationGraph: nodes=5, edges=3>")