本文整理汇总了Python中numpy.lib.format.read_array_header_1_0方法的典型用法代码示例。如果您正苦于以下问题：Python format.read_array_header_1_0方法的具体用法？Python format.read_array_header_1_0怎么用？Python format.read_array_header_1_0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numpy.lib.format的用法示例。
在下文中一共展示了format.read_array_header_1_0方法的5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_bad_header
# 需要导入模块: from numpy.lib import format [as 别名]
# 或者: from numpy.lib.format import read_array_header_1_0 [as 别名]
def test_bad_header():
# header of length less than 2 should fail
s = BytesIO()
assert_raises(ValueError, format.read_array_header_1_0, s)
s = BytesIO(b'1')
assert_raises(ValueError, format.read_array_header_1_0, s)
# header shorter than indicated size should fail
s = BytesIO(b'\x01\x00')
assert_raises(ValueError, format.read_array_header_1_0, s)
# headers without the exact keys required should fail
d = {"shape": (1, 2),
"descr": "x"}
s = BytesIO()
format.write_array_header_1_0(s, d)
assert_raises(ValueError, format.read_array_header_1_0, s)
d = {"shape": (1, 2),
"fortran_order": False,
"descr": "x",
"extrakey": -1}
s = BytesIO()
format.write_array_header_1_0(s, d)
assert_raises(ValueError, format.read_array_header_1_0, s) 示例2: test_bad_header
# 需要导入模块: from numpy.lib import format [as 别名]
# 或者: from numpy.lib.format import read_array_header_1_0 [as 别名]
def test_bad_header():
# header of length less than 2 should fail
s = BytesIO()
assert_raises(ValueError, format.read_array_header_1_0, s)
s = BytesIO(asbytes('1'))
assert_raises(ValueError, format.read_array_header_1_0, s)
# header shorter than indicated size should fail
s = BytesIO(asbytes('\x01\x00'))
assert_raises(ValueError, format.read_array_header_1_0, s)
# headers without the exact keys required should fail
d = {"shape": (1, 2),
"descr": "x"}
s = BytesIO()
format.write_array_header_1_0(s, d)
assert_raises(ValueError, format.read_array_header_1_0, s)
d = {"shape": (1, 2),
"fortran_order": False,
"descr": "x",
"extrakey": -1}
s = BytesIO()
format.write_array_header_1_0(s, d)
assert_raises(ValueError, format.read_array_header_1_0, s) 示例3: test_bad_header
# 需要导入模块: from numpy.lib import format [as 别名]
# 或者: from numpy.lib.format import read_array_header_1_0 [as 别名]
def test_bad_header():
# header of length less than 2 should fail
s = BytesIO()
assert_raises(ValueError, format.read_array_header_1_0, s)
s = BytesIO(asbytes('1'))
assert_raises(ValueError, format.read_array_header_1_0, s)
# header shorter than indicated size should fail
s = BytesIO(asbytes('\x01\x00'))
assert_raises(ValueError, format.read_array_header_1_0, s)
# headers without the exact keys required should fail
d = {"shape":(1, 2),
"descr":"x"}
s = BytesIO()
format.write_array_header_1_0(s, d)
assert_raises(ValueError, format.read_array_header_1_0, s)
d = {"shape":(1, 2),
"fortran_order":False,
"descr":"x",
"extrakey":-1}
s = BytesIO()
format.write_array_header_1_0(s, d)
assert_raises(ValueError, format.read_array_header_1_0, s) 示例4: test_read_array_header_1_0
# 需要导入模块: from numpy.lib import format [as 别名]
# 或者: from numpy.lib.format import read_array_header_1_0 [as 别名]
def test_read_array_header_1_0():
s = BytesIO()
arr = np.ones((3, 6), dtype=float)
format.write_array(s, arr, version=(1, 0))
s.seek(format.MAGIC_LEN)
shape, fortran, dtype = format.read_array_header_1_0(s)
assert_(s.tell() % format.ARRAY_ALIGN == 0)
assert_((shape, fortran, dtype) == ((3, 6), False, float)) 示例5: test_read_array_header_1_0
# 需要导入模块: from numpy.lib import format [as 别名]
# 或者: from numpy.lib.format import read_array_header_1_0 [as 别名]
def test_read_array_header_1_0():
s = BytesIO()
arr = np.ones((3, 6), dtype=float)
format.write_array(s, arr, version=(1, 0))
s.seek(format.MAGIC_LEN)
shape, fortran, dtype = format.read_array_header_1_0(s)
assert_((shape, fortran, dtype) == ((3, 6), False, float))