Develop Reference

how to use trigger.adddependencies in pyzabbix

i'm a newbie in python and coding,i'm trying to use pyzabbix to add trigger dependecies,but some error occusrs.
When i run
zapi.trigger.addDependencies(triggerid, dependsOnTriggerid)
an error occurs
pyzabbix.ZabbixAPIException: ('Error -32500: Application error., No permissions to referred object or it does not exist!', -32500)
i get the "triggerid" and "dependsOnTriggerid" by trigger.get:
triggerid_info = zapi.trigger.get(filter={'host': 'xx','description': 'xx'},output=['triggerid'], selectDependencies=['description'])
triggerid = triggerid_info[0]['triggerid']
dependsOnTriggerid = trigger_info[0]['dependencies'][0]['triggerid']
The results are as follws:
Traceback (most recent call last): File "E:/10.python/2019-03-07/1.py", line 14, in zapi.trigger.addDependencies(triggerid, dependsOnTriggerid) File "D:\Program Files\Python37\lib\site-packages\pyzabbix__init__.py", line 166, in fn args or kwargs File "D:\Program Files\Python37\lib\site-packages\pyzabbix__init__.py", line 143, in do_request raise ZabbixAPIException(msg, response_json['error']['code']) pyzabbix.ZabbixAPIException: ('Error -32500: Application error., No permissions to referred object or it does not exist!', -32500)
Did i get the wrong triggerid? or the i use the method in a wrong way? Thanks so much

To add a dependancy means that you need to link two different triggers (from the same host or from another one) with a master-dependent logic.
You are trying to add the dependancy triggerid -> dependsOnTriggerid, which is obtained from a supposed existing dependancy (trigger_info[0]['dependencies'][0]['triggerid']), and this makes little sense and I suppose it's the cause of the error.
You need to get both trigger's triggerid and then add the dependancy:
masterTriggerObj = zapi.trigger.get( /* filter to get your master trigger here */ )
dependentTriggerObj = zapi.trigger.get( /* filter to get your dependent trigger here */)
result = zapi.trigger.adddependencies(triggerid=dependentTriggerObj[0]['triggerid'], dependsOnTriggerid=masterTriggerObj[0]['triggerid'])

The method "trigger.addDependencies" need only one parameter，and it should be a dict or some other object/array.The following code solves the problem.
trigger_info = zapi.trigger.get(filter={xx},output=['triggerid'])
trigger_depends_info_193 = zapi.trigger.get(filter={xx},output=['triggerid'])
trigger_dependson_193 = {"triggerid": trigger_info[0]['triggerid'], "dependsOnTriggerid": trigger_depends_info_193[0]['triggerid']}
zapi.trigger.adddependencies(trigger_dependson_193)

Attaching Python debugger

I'd like to attach a Python debugger to a running process. Following this comment, I tried pdb-clone but have gotten confused. Here's the script I'm attaching to:
import os
import time
from pdb_clone import pdbhandler
pdbhandler.register()
def loop(my_pid):
print("Entering loop")
while True:
x = 'frog'
time.sleep(0.5)
print("Out of Loop")
if __name__ == '__main__':
my_pid = os.getpid()
print("pid = ", my_pid)
loop(my_pid)
If I run python3 target_code_1.py in one terminal and see PID = 95439, then in a second terminal try
sudo pdb-attach --kill --pid 95439
I get an error message (which I include below).
However, suppose I simultaneously run python3 target_code_1.py in a third terminal. I can now run sudo pdb-attach --kill --pid 95439 without error, but when I print my_pid, the value is 95440. On the other hand, if I run sudo pdb-attach --kill --pid 95440 and print my_pid, the value is 95439. (In other words, it looks like pdb-attach has swapped which thread it is attaching to.) This behavior appears to be repeatable. What is going on?
For the record, the initial error message is as follows:
sudo pdb-attach --kill --pid 95440
Traceback (most recent call last):
File "/usr/local/bin/pdb-attach", line 4, in <module>
attach.main()
File "/usr/local/lib/python3.7/site-packages/pdb_clone/attach.py", line 646, in main
attach(address)
File "/usr/local/lib/python3.7/site-packages/pdb_clone/attach.py", line 596, in attach
for count in asock.connect_retry(address, verbose):
File "/usr/local/lib/python3.7/site-packages/pdb_clone/attach.py", line 115, in connect_retry
self.connect(address)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/asyncore.py", line 342, in connect
raise OSError(err, errorcode[err])
OSError: [Errno 22] EINVAL
FWIW, I'm running on macOS Mojave 10.14.2, Python 3.7.0, Clang 9.1.0.
(If I am solving this problem the wrong way, e.g., if there is a better Python module to use that can attach to live process, I'd be happy to use it instead.)

Error on Python serial import

When I try to import the serial I get the following error:
Traceback (most recent call last):
File "C:\Documents and Settings\eduardo.pereira\workspace\thgspeak\tst.py", line 7, in <module>
import serial
File "C:\Python27\lib\site-packages\serial\__init__.py", line 27, in <module>
from serial.serialwin32 import Serial
File "C:\Python27\lib\site-packages\serial\serialwin32.py", line 15, in <module>
from serial import win32
File "C:\Python27\lib\site-packages\serial\win32.py", line 182, in <module>
CancelIoEx = _stdcall_libraries['kernel32'].CancelIoEx
File "C:\Python27\lib\ctypes\__init__.py", line 375, in __getattr__
func = self.__getitem__(name)
File "C:\Python27\lib\ctypes\__init__.py", line 380, in __getitem__
func = self._FuncPtr((name_or_ordinal, self))
AttributeError: function 'CancelIoEx' not found
I have installed the latest version of pySerial, Python 2.7 runing on a WinXP laptop. Tried everywhere and found no similar problem. Is there any solution for that?
Thanks in advance...

The version of pySerial that you're using is trying to call a function that's only available in Windows Vista, whereas you're running Windows XP.
It might be worth experimenting with using an older version of pySerial.
The code in question was added to pySerial on 3 May 2016, so a version just prior to that might be a good start.

Older versions seem unavailable. But, this worked for me (assuming nanpy version 3.1.1):
open file \lib\site-packages\serial\serialwin32.py
delete methods _cancel_overlapped_io(), cancel_read(), cancel_write() in lines 436-455 nearly at the botton of the file
change method _close() als follows:
(Python)
def _close(self):
"""internal close port helper"""
if self._port_handle is not None:
# Restore original timeout values:
win32.SetCommTimeouts(self._port_handle, self._orgTimeouts)
# Close COM-Port:
if self._overlapped_read is not None:
win32.CloseHandle(self._overlapped_read.hEvent)
self._overlapped_read = None
if self._overlapped_write is not None:
win32.CloseHandle(self._overlapped_write.hEvent)
self._overlapped_write = None
win32.CloseHandle(self._port_handle)
self._port_handle = None
Additionally, create a non-default serial connection when starting the communication, otherwise you'll be bound to some linux device:
a = ArduinoApi(SerialManager("COM5:"))
for i in range(10):
a.pinMode(13, a.OUTPUT)
a.digitalWrite(13, a.HIGH)
# etc.

And in serial\win32.py comments
#CancelIoEx = _stdcall_libraries['kernel32'].CancelIoEx
#CancelIoEx.restype = BOOL
#CancelIoEx.argtypes = [HANDLE, LPOVERLAPPED]

There is no obvious reason why CancelIO was replaced with the cross-thread version CancelIOex, which allows code in one thread to cancel IO in another thread. Certainly cpython 2.x is single threaded.
To get pySerial to run on python 2.7 on Win2K, I just changed CancelIOex in serial back to CancelIO.

Something wrong with ViewClient.connectToDeviceOrExit()

I'm recently started to use python with mobile app automation, as i decided to use python, the main instruments that I've found were monkeyrunner and androidviewclient.
But there is the first issue with which i dont know what to do:
package = 'com.mypackage.android'
activity = '.launchActivity'
component = package + "/" + activity
device, serialno = ViewClient.connectToDeviceOrExit()
device.startActivity(component=component)
time.sleep(3)
vc = ViewClient(device, serialno)
vc.dump()
showMenu = vc.findViewById("id/no_id/8")
showMenu.touch()
as i'm running it in windows cmd - monkeyrunner mypath\test-case1.py
i receive an exception:
131213 18:42:32.555:S [MainThread] [com.android.monkeyrunner.MonkeyRunnerOptions] Script terminated due to an exception
131213 18:42:32.555:S [MainThread] [com.android.monkeyrunner.MonkeyRunnerOptions]Traceback (most recent call last):
File "C:\Python27\tests\1.py", line 26, in <module>
device, serialno = ViewClient.connectToDeviceOrExit()
File "C:\Program Files (x86)\Android\AndroidViewClient\AndroidViewClient-maste
r\AndroidViewClient\src\com\dtmilano\android\viewclient.py", line 1381, in conne
ctToDeviceOrExit
ViewClient.setAlarm(timeout+5)
File "C:\Program Files (x86)\Android\AndroidViewClient\AndroidViewClient-maste
r\AndroidViewClient\src\com\dtmilano\android\viewclient.py", line 1341, in setAl
arm
signal.alarm(timeout)
File "C:\Program Files (x86)\Android\android-sdk\tools\lib\jython-standalone-2
.5.3.jar\Lib\signal.py", line 222, in alarm
NotImplementedError: alarm not implemented on this platform
am I doing something wrong? Please help.
Thank you a lot!

This is how setAlarm looks like
#staticmethod
def setAlarm(timeout):
osName = platform.system()
if osName.startswith('Windows'): # alarm is not implemented in Windows
return
signal.alarm(timeout)
so, it tries to identify that is Windows and then not invoking signal.alarm() which is not implemented, but for some reason it fails in your case.
Try to print the result of osName to see what went wrong.
UPDATE
Now I see, you are using monkeyrunner as the interpreter but AndroidViewClient >= 4.0.0 is 100% pure python, so you should run your scripts using a python 2.x interpreter.

Error Handling in Python with SUDS

I have been trying to control a camera through a wsdl file using SUDS. I have got the code working but I want to place error handling into the script. I have tried different exceptions but am unable to get the script working. When I enter an invalid coordinate I get an error. The code I am using is below followed by the error I am recieving.
#!/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()
The error is below:
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'
I am not sure which exception I should be using here. Does anyone know how to catch this error. The x coordinate with the value 400 is in degree's that is why the error happens.
Thanks
Okay I have found the solution. In SUDS if you enter:
faults=False
into the client definition, this catches faults and gives the reason why the fault happened. The line should read:
client = Client('http://file.wsdl', faults=False)
The post that I have marked as the correct answer also is able to catch that a problem has happened.
Thanks all

If you handled all exceptions and errors in your code and your code is working fine but still you are getting below message with your correct output.
Msg : "No handlers could be found for logger suds.client "
Then a simple solution is to add this line
logging.getLogger('suds.client').setLevel(logging.CRITICAL)
in yourclient.py file just after all import statement.

If you want to catch that exception you should put
try:
result = client.service.AbsoluteMove(token, dest, speed)
except suds.WebFault as detail:
...

You need to catch suds.WebFault by the looks of that traceback. The error itself seems legitimate, IE, your requests are being executed correctly, but perhaps your parameters are wrong in the given context.

I believe you refer to a harmless diagnostic message in your comment. I could suppress messages from suds calling logging.error() by assigning logging.INFO to basicConfig and logging.CRITICAL to suds.client.
https://fedorahosted.org/suds/wiki/Documentation