用SUDS在Python中处理错误
我一直在尝试使用肥皂水通过wsdl文件控制摄像头。我已经让代码工作,但我想把错误处理放入脚本中。我尝试了不同的异常,但无法使脚本正常工作。当我输入一个无效的坐标时,我会得到一个错误。下面是我使用的代码,后面是我收到的错误用SUDS在Python中处理错误,python,web-services,suds,Python,Web Services,Suds,我一直在尝试使用肥皂水通过wsdl文件控制摄像头。我已经让代码工作,但我想把错误处理放入脚本中。我尝试了不同的异常,但无法使脚本正常工作。当我输入一个无效的坐标时,我会得到一个错误。下面是我使用的代码,后面是我收到的错误 #!/home/build/Python-2.6.4/python import suds from suds.client import Client ############################################################
#!/home/build/Python-2.6.4/python
import suds
from suds.client import Client
####################################################################
#
# Python SUDS Script that controls movement of Camera
#
####################################################################
#
# Absolute Move Function
#
####################################################################
def absoluteMove():
# connects to WSDL file and stores location in variable 'client'
client = Client('http://file.wsdl')
# Create 'token' object to pass as an argument using the 'factory' namespace
token = client.factory.create('ns4:ReferenceToken')
print token
# Create 'dest' object to pass as an argument and values passed to this object
dest = client.factory.create('ns4:PTZVector')
dest.PanTilt._x=400
dest.PanTilt._y=0
dest.Zoom._x=1
print dest
# Create 'speed' object to pass as an argument and values passed to this object
speed = client.factory.create('ns4:PTZSpeed')
speed.PanTilt._x=0
speed.PanTilt._y=0
speed.Zoom._x=1
print speed
# 'AbsoluteMove' method invoked passing in the new values entered in the above objects
try:
result = client.service.AbsoluteMove(token, dest, speed)
except RuntimeError as detail:
print 'Handling run-time error:', detail
print "absoluteMove result ", result
result = absoluteMove()
错误如下:
No handlers could be found for logger "suds.client"
Traceback (most recent call last):
File "ptztest.py", line 48, in <module>
if __name__ == '__main__': result = absoluteMove()
File "ptztest.py", line 42, in absoluteMove
result = client.service.AbsoluteMove(token, dest, speed)
File "build/bdist.linux-i686/egg/suds/client.py", line 537, in __call__
File "build/bdist.linux-i686/egg/suds/client.py", line 597, in invoke
File "build/bdist.linux-i686/egg/suds/client.py", line 632, in send
File "build/bdist.linux-i686/egg/suds/client.py", line 683, in failed
File "build/bdist.linux-i686/egg/suds/bindings/binding.py", line 235, in get_fault
suds.WebFault: Server raised fault: 'Error setting requested pan'
在客户机定义中,它捕获故障并给出故障发生的原因。该行应为:
client = Client('http://file.wsdl', faults=False)
我标记为正确答案的帖子也能够捕捉到问题已经发生
谢谢大家你需要通过追踪的外观来捕捉。错误本身似乎是合法的,即,您的请求正在正确执行,但在给定的上下文中,您的参数可能是错误的。如果您想捕获该异常,应该将
try:
result = client.service.AbsoluteMove(token, dest, speed)
except suds.WebFault as detail:
...
我相信你在评论中提到了一个无害的诊断信息。我可以通过将
logging.INFO
分配给basicConfig
和logging.CRITICAL
分配给suds.client
来抑制来自suds调用logging.error()
的消息
如果您处理了代码中的所有异常和错误,并且代码工作正常,但您仍然可以通过正确的输出获得下面的消息 Msg:“找不到记录器
suds.client
的处理程序”
那么一个简单的解决方案就是添加这一行
logging.getLogger('suds.client').setLevel(logging.CRITICAL)
在导入语句之后的
yourclient.py
文件中。我将faults=False并尝试捕获suds.WebFault,但仍然得到错误“找不到记录器的处理程序”suds.client别忘了:导入日志记录
如果删除了客户端调试,则无法解决问题。要运行suds.client日志记录工具,必须首先执行logging.basicConfig调用。例如:logging.basicConfig(level=logging.INFO)
try:
result = client.service.AbsoluteMove(token, dest, speed)
except suds.WebFault as detail:
...