本文整理汇总了Python中pyudev.Devices.from_name方法的典型用法代码示例。如果您正苦于以下问题：Python Devices.from_name方法的具体用法？Python Devices.from_name怎么用？Python Devices.from_name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pyudev.Devices的用法示例。
在下文中一共展示了Devices.from_name方法的4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_from_name_nonexisting_subsystem
# 需要导入模块: from pyudev import Devices [as 别名]
# 或者: from pyudev.Devices import from_name [as 别名]
def test_from_name_nonexisting_subsystem(self, a_context):
with pytest.raises(DeviceNotFoundByNameError) as exc_info:
Devices.from_name(a_context, 'no_such_subsystem', 'foobar')
error = exc_info.value
assert error.subsystem == 'no_such_subsystem'
assert error.sys_name == 'foobar'
assert str(error) == 'No device {0!r} in {1!r}'.format(
error.sys_name, error.subsystem)示例2: test_from_name_is_path
# 需要导入模块: from pyudev import Devices [as 别名]
# 或者: from pyudev.Devices import from_name [as 别名]
def test_from_name_is_path(self, a_context, a_device):
"""
Lookup using a sys_name which is actually a path should always fail.
See: rhbz#1263351.
"""
with pytest.raises(DeviceNotFoundByNameError):
Devices.from_name(a_context, a_device.subsystem, a_device.sys_name)示例3: test_from_journal_name
# 需要导入模块: from pyudev import Devices [as 别名]
# 或者: from pyudev.Devices import from_name [as 别名]
def test_from_journal_name(self, a_context, entry):
"""
Test that kernel subsystem combined with udev sysname yields
a device.
"""
udev_sysname = entry['_UDEV_SYSNAME']
subsystem = entry['_KERNEL_SUBSYSTEM']
device = Devices.from_name(a_context, subsystem, udev_sysname)
assert device is not None示例4: test_from_name
# 需要导入模块: from pyudev import Devices [as 别名]
# 或者: from pyudev.Devices import from_name [as 别名]
def test_from_name(self, a_context, a_device):
"""
Test that getting a new device based on the name and subsystem
yields an equivalent device.
"""
new_device = Devices.from_name(
a_context,
a_device.subsystem,
a_device.sys_name
)
assert new_device == a_device