def test_records():
table = (('foo', 'bar'), ('a', 1), ('b', 2), ('c', 3))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
eq_('a', o['foo'])
eq_(1, o['bar'])
o = next(it)
eq_('b', o['foo'])
eq_(2, o['bar'])
# access attributes
it = iter(actual)
o = next(it)
eq_('a', o.foo)
eq_(1, o.bar)
o = next(it)
eq_('b', o.foo)
eq_(2, o.bar)
# access with get() method
it = iter(actual)
o = next(it)
eq_('a', o.get('foo'))
eq_(1, o.get('bar'))
eq_(None, o.get('baz'))
eq_('qux', o.get('baz', default='qux'))
def test_records():
table = (('foo', 'bar'), ('a', 1), ('b', 2), ('c', 3))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
eq_('a', o['foo'])
eq_(1, o['bar'])
o = next(it)
eq_('b', o['foo'])
eq_(2, o['bar'])
# access attributes
it = iter(actual)
o = next(it)
eq_('a', o.foo)
eq_(1, o.bar)
o = next(it)
eq_('b', o.foo)
eq_(2, o.bar)
# access with get() method
it = iter(actual)
o = next(it)
eq_('a', o.get('foo'))
eq_(1, o.get('bar'))
eq_(None, o.get('baz'))
eq_('qux', o.get('baz', default='qux'))
def recordtree(table, start='start', stop='stop'):
"""
Construct an interval tree for the given table, where each node in the
tree is a row of the table represented as a record object.
"""
import intervaltree
getstart = attrgetter(start)
getstop = attrgetter(stop)
tree = intervaltree.IntervalTree()
for rec in records(table):
tree.addi(getstart(rec), getstop(rec), rec)
return tree
def recordtree(table, start='start', stop='stop'):
"""
Construct an interval tree for the given table, where each node in the
tree is a row of the table represented as a record object.
"""
import intervaltree
getstart = attrgetter(start)
getstop = attrgetter(stop)
tree = intervaltree.IntervalTree()
for rec in records(table):
tree.addi(getstart(rec), getstop(rec), rec)
return tree
def test_records_errors():
table = (('foo', 'bar'), ('a', 1), ('b', 2))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
try:
o['baz']
except KeyError:
pass
else:
raise Exception('expected exception not raised')
try:
o.baz
except AttributeError:
pass
else:
raise Exception('expected exception not raised')
def facetrecordtrees(table, key, start='start', stop='stop'):
"""
Construct faceted interval trees for the given table, where each node in
the tree is a record.
"""
import intervaltree
getstart = attrgetter(start)
getstop = attrgetter(stop)
getkey = attrgetter(key)
trees = dict()
for rec in records(table):
k = getkey(rec)
if k not in trees:
trees[k] = intervaltree.IntervalTree()
trees[k].addi(getstart(rec), getstop(rec), rec)
return trees
def test_records_errors():
table = (('foo', 'bar'), ('a', 1), ('b', 2))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
try:
o['baz']
except KeyError:
pass
else:
raise Exception('expected exception not raised')
try:
o.baz
except AttributeError:
pass
else:
raise Exception('expected exception not raised')
def facetrecordtrees(table, key, start='start', stop='stop'):
"""
Construct faceted interval trees for the given table, where each node in
the tree is a record.
"""
import intervaltree
getstart = attrgetter(start)
getstop = attrgetter(stop)
getkey = attrgetter(key)
trees = dict()
for rec in records(table):
k = getkey(rec)
if k not in trees:
trees[k] = intervaltree.IntervalTree()
trees[k].addi(getstart(rec), getstop(rec), rec)
return trees
def test_records():
table = (('foo', 'bar'), ('a', 1), ('b', 2))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
eq_('a', o['foo'])
eq_(1, o['bar'])
o = next(it)
eq_('b', o['foo'])
eq_(2, o['bar'])
# access attributes
it = iter(actual)
o = next(it)
eq_('a', o.foo)
eq_(1, o.bar)
o = next(it)
eq_('b', o.foo)
eq_(2, o.bar)
def test_records_unevenrows():
table = (('foo', 'bar'), ('a', 1, True), ('b', ))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
eq_('a', o['foo'])
eq_(1, o['bar'])
o = next(it)
eq_('b', o['foo'])
eq_(None, o['bar'])
# access attributes
it = iter(actual)
o = next(it)
eq_('a', o.foo)
eq_(1, o.bar)
o = next(it)
eq_('b', o.foo)
eq_(None, o.bar)
def test_records_unevenrows():
table = (('foo', 'bar'), ('a', 1, True), ('b',))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
eq_('a', o['foo'])
eq_(1, o['bar'])
o = next(it)
eq_('b', o['foo'])
eq_(None, o['bar'])
# access attributes
it = iter(actual)
o = next(it)
eq_('a', o.foo)
eq_(1, o.bar)
o = next(it)
eq_('b', o.foo)
eq_(None, o.bar)
def test_records():
table = (('foo', 'bar'), ('a', 1), ('b', 2))
actual = records(table)
# access items
it = iter(actual)
o = next(it)
eq_('a', o['foo'])
eq_(1, o['bar'])
o = next(it)
eq_('b', o['foo'])
eq_(2, o['bar'])
# access attributes
it = iter(actual)
o = next(it)
eq_('a', o.foo)
eq_(1, o.bar)
o = next(it)
eq_('b', o.foo)
eq_(2, o.bar)
