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ipapython/graph.py String formatting

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Changed string formatting for Value Errors raise.

Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Martin Basti <mbasti@redhat.com>
This commit is contained in:
Aleksei Slaikovskii 2017-07-07 15:50:37 +02:00 committed by Tomas Krizek
parent 52a435978b
commit fe913b9c9f
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GPG Key ID: 22A2A94B5E49415A
1 changed files with 7 additions and 2 deletions
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9
ipapython/graph.py
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@ -24,8 +24,10 @@ class Graph(object):
def add_edge(self, tail, head): def add_edge(self, tail, head):
if tail not in self.vertices: if tail not in self.vertices:
raise ValueError("tail is not a vertex") raise ValueError("tail is not a vertex")
if head not in self.vertices: if head not in self.vertices:
raise ValueError("head is not a vertex") raise ValueError("head is not a vertex")
self.edges.append((tail, head)) self.edges.append((tail, head))
self._adj[tail].append(head) self._adj[tail].append(head)
@ -34,14 +36,17 @@ class Graph(object):
self.edges.remove((tail, head)) self.edges.remove((tail, head))
except KeyError: except KeyError:
raise ValueError( raise ValueError(
"graph does not contain edge: (%s, %s)" % (tail, head)) "graph does not contain edge: ({0}, {1})".format(tail, head)
)
self._adj[tail].remove(head) self._adj[tail].remove(head)
def remove_vertex(self, vertex): def remove_vertex(self, vertex):
try: try:
self.vertices.remove(vertex) self.vertices.remove(vertex)
except KeyError: except KeyError:
raise ValueError("graph does not contain vertex: %s" % vertex) raise ValueError(
"graph does not contain vertex: {0}".format(vertex)
)
# delete _adjacencies # delete _adjacencies
del self._adj[vertex] del self._adj[vertex]