本文整理汇总了Python中castra.Castra.extend方法的典型用法代码示例。如果您正苦于以下问题：Python Castra.extend方法的具体用法？Python Castra.extend怎么用？Python Castra.extend使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类castra.Castra的用法示例。
在下文中一共展示了Castra.extend方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_get_empty_result
# 需要导入模块: from castra import Castra [as 别名]
# 或者: from castra.Castra import extend [as 别名]
def test_get_empty_result(base):
c = Castra(path=base, template=A)
c.extend(A)
df = c[100:200]
assert (df.columns == A.columns).all()示例2: test_pickle_Castra
# 需要导入模块: from castra import Castra [as 别名]
# 或者: from castra.Castra import extend [as 别名]
def test_pickle_Castra():
path = tempfile.mkdtemp(prefix='castra-')
c = Castra(path=path, template=A)
c.extend(A)
c.extend(B)
dumped = pickle.dumps(c)
undumped = pickle.loads(dumped)
tm.assert_frame_equal(pd.concat([A, B]), undumped[:])示例3: test_reload
# 需要导入模块: from castra import Castra [as 别名]
# 或者: from castra.Castra import extend [as 别名]
def test_reload():
path = tempfile.mkdtemp(prefix='castra-')
try:
c = Castra(template=A, path=path)
c.extend(A)
d = Castra(path=path)
assert c.columns == d.columns
assert (c.partitions == d.partitions).all()
assert c.minimum == d.minimum
finally:
shutil.rmtree(path)示例4: test_Castra
# 需要导入模块: from castra import Castra [as 别名]
# 或者: from castra.Castra import extend [as 别名]
def test_Castra():
c = Castra(template=A)
c.extend(A)
c.extend(B)
assert c.columns == ['x', 'y']
tm.assert_frame_equal(c[0:100], pd.concat([A, B]))
tm.assert_frame_equal(c[:5], A)
tm.assert_frame_equal(c[5:], B)
tm.assert_frame_equal(c[2:5], A[1:])
tm.assert_frame_equal(c[2:15], pd.concat([A[1:], B[:1]]))示例5: test_readonly
# 需要导入模块: from castra import Castra [as 别名]
# 或者: from castra.Castra import extend [as 别名]
def test_readonly():
path = tempfile.mkdtemp(prefix='castra-')
try:
c = Castra(path=path, template=A)
c.extend(A)
d = Castra(path=path, readonly=True)
with pytest.raises(IOError):
d.extend(B)
with pytest.raises(IOError):
d.extend_sequence([B])
with pytest.raises(IOError):
d.flush()
with pytest.raises(IOError):
d.drop()
with pytest.raises(IOError):
d.save_partitions()
with pytest.raises(IOError):
d.flush_meta()
assert c.columns == d.columns
assert (c.partitions == d.partitions).all()
assert c.minimum == d.minimum
finally:
shutil.rmtree(path)示例6: test_get_slice
# 需要导入模块: from castra import Castra [as 别名]
# 或者: from castra.Castra import extend [as 别名]
def test_get_slice(base):
c = Castra(path=base, template=A)
c.extend(A)
tm.assert_frame_equal(c[:], c[:, :])
tm.assert_frame_equal(c[:, 1:], c[:][['y']])