本文整理匯總了Python中castra.Castra.extend方法的典型用法代碼示例。如果您正苦於以下問題:Python Castra.extend方法的具體用法?Python Castra.extend怎麽用?Python Castra.extend使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類castra.Castra
的用法示例。
在下文中一共展示了Castra.extend方法的6個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_get_empty_result
# 需要導入模塊: from castra import Castra [as 別名]
# 或者: from castra.Castra import extend [as 別名]
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
# 需要導入模塊: from castra import Castra [as 別名]
# 或者: from castra.Castra import extend [as 別名]
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
# 需要導入模塊: from castra import Castra [as 別名]
# 或者: from castra.Castra import extend [as 別名]
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
# 需要導入模塊: from castra import Castra [as 別名]
# 或者: from castra.Castra import extend [as 別名]
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
# 需要導入模塊: from castra import Castra [as 別名]
# 或者: from castra.Castra import extend [as 別名]
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
# 需要導入模塊: from castra import Castra [as 別名]
# 或者: from castra.Castra import extend [as 別名]
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']])