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[FIX] Table.__repr__: Fix for sparse data with < 5 instances #1951

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Merged
lanzagar merged 1 commit into from
Jan 25, 2017
Merged

[FIX] Table.__repr__: Fix for sparse data with < 5 instances #1951

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7 changes: 5 additions & 2 deletions Orange/data/table.py
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Original file line number Diff line number Diff line change
Expand Up @@ -803,8 +803,11 @@ def __str__(self):
return "[" + ",\n ".join(str(ex) for ex in self)

def __repr__(self):
s = "[" + ",\n ".join(repr(ex) for ex in self[:5])
if len(self) > 5:
head = 5
if self.is_sparse():
head = min(self.X.shape[0], head)
s = "[" + ",\n ".join(repr(ex) for ex in self[:head])
if len(self) > head:
s += ",\n ..."
s += "\n]"
return s
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5 changes: 5 additions & 0 deletions Orange/tests/test_table.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1213,6 +1213,11 @@ def test_is_sparse(self):
table.X = sp.csr_matrix(table.X)
self.assertTrue(table.is_sparse())

def test_repr_sparse_with_one_row(self):
table = data.Table("iris")[:1]
table.X = sp.csr_matrix(table.X)
repr(table) # make sure repr does not crash


def column_sizes(table):
return (len(table.domain.attributes),
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