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[ "FreeOpcUa", "opcua-asyncio" ]
Is there a way to know if the connection is still active? I tried with `send_hello` but when I send that message, the connection drops after a while. (wondering why) Is there any way? will make sense to have that functionality?
How can I know if the connection is still active?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/155/comments
4
2020-02-26T11:40:40Z
2021-10-27T10:03:12Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/155
571,274,426
155
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, Can you tell me more about the release schedule? The last release was 1 and half month ago and there are some changes that I need to incorporate in my project. I want to know if you plan to release often or not. If not, I will have to fork this repo and go from that.
Release schedule
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/152/comments
1
2020-02-20T18:59:35Z
2020-02-20T19:01:40Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/152
568,504,136
152
[ "FreeOpcUa", "opcua-asyncio" ]
Read History method is returning the wrong values. In this example, I'm trying to get values that may not be stored (server only stores 20 minutes or so): `tools/uahistoryread -u "opc.tcp://opcuaserver.com:48010" -n "ns=2;s=Demo.History.ByteWithHistory" --starttime "2020-02-20 11:04:00" --endtime "2020-02-20 11:06...
Read History Raw is displaying wrong information
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/151/comments
5
2020-02-20T12:17:01Z
2023-03-29T08:22:41Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/151
568,260,094
151
[ "FreeOpcUa", "opcua-asyncio" ]
I tried: `uahistoryread -u "opc.tcp://opcuaserver.com:48010" -n "ns=2;s=Demo.History.ByteWithHistory" --starttime "2020-02-20 11:04" --endtime "2020-02-20 11:06"` The result: ``` Reading raw history of node Node(StringNodeId(ns=2;s=Demo.History.ByteWithHistory)) at opc.tcp://opcuaserver.com:48010; start at 2020-0...
uahistory read does not work
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/149/comments
3
2020-02-20T11:09:22Z
2020-02-20T19:02:00Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/149
568,223,704
149
[ "FreeOpcUa", "opcua-asyncio" ]
The disconnect method of the sync Client is obvioulsy broken. When calling disconnect, I'm getting the following exception: 2020-02-17 10:00:17.626 Thread-10 - client - INFO - disconnect 2020-02-17 10:00:17.626 Thread-10 - ua_client - INFO - Request to close socket rec...
Exception when trying to disconnect from the server with sync client.
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/146/comments
6
2020-02-17T09:10:15Z
2020-02-19T09:30:59Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/146
566,156,016
146
[ "FreeOpcUa", "opcua-asyncio" ]
Would it be possible to expose the `timeout` parameter in the function `UASocketProtocol.send_request` to higher-level functions, such as `UaClient.call()`? Currently, if I call `Node.call_method()` the timeout will always be 10 seconds. In my work we have to communicate with a single-threaded simulator with built-...
Client timeout on node.call_method()
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/141/comments
10
2020-02-06T08:09:49Z
2020-09-18T11:30:41Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/141
560,845,394
141
[ "FreeOpcUa", "opcua-asyncio" ]
I am using the code in the [client-subscription.py](https://github.com/FreeOpcUa/opcua-asyncio/blob/master/examples/client-subscription.py). I want to watch change values in a forever loop. Is that a bad design pattern ? If yes then how should I watch event changes for infinite time.
Subscibing to change events forever
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/139/comments
6
2020-02-05T07:55:13Z
2020-02-11T18:26:29Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/139
560,200,206
139
[ "FreeOpcUa", "opcua-asyncio" ]
I'm restricted to use the client token policy `Basic256Sha256` to be able to authenticate by username and password. How can I do that?
configure client token policy to Basic256Sha256
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/137/comments
1
2020-01-31T08:10:16Z
2023-03-29T08:21:44Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/137
557,978,200
137
[ "FreeOpcUa", "opcua-asyncio" ]
What would be the appropriate way to update a variable on an interval using the server? I have a few weather api calls that I'd like to update on the server. `w_wind_speed = await myobj.add_variable(idx, 'Wind Speed', wind_speed)` I'd like these values to be updated by the server every x seconds for consumption....
Server update variable
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/135/comments
19
2020-01-27T17:50:51Z
2021-03-11T14:35:52Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/135
555,734,310
135
[ "FreeOpcUa", "opcua-asyncio" ]
Ahoi, just wanted to ask if `self.value_callback` shall be a possibility to add (lambda) functions or coroutines as callback, in case of an AttributeValue request? If yes, is there a clean way to add them in anywhere? ``` class AttributeValue(object): def __init__(self, value): self.value = value...
self.value_callback - for AttributeValue requests? And how to add them?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/134/comments
4
2020-01-23T14:45:03Z
2020-12-15T08:00:16Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/134
554,202,477
134
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, first of all, thanks for the library. It seems really good in my first days studying it. I have one question. Is it possible to retrieve the tree of objects of a server? Without getting children recursively, of course.
Get Tree of objects
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/133/comments
4
2020-01-22T15:12:38Z
2020-12-15T07:55:44Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/133
553,606,012
133
[ "FreeOpcUa", "opcua-asyncio" ]
Hi there, Does anyone knows how to exchange certificate between Client and Server. What I need is to get the certificate of Client and save it on my Linux machine for Server in Trusted folder.
Certificate exchange
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/131/comments
2
2020-01-21T10:16:56Z
2023-03-29T10:05:05Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/131
552,778,361
131
[ "FreeOpcUa", "opcua-asyncio" ]
Hello together, I try to export a Server via `await server.export_xml_by_ns(path,[namespaces])` and import this xml file in another program via `await server.import_xml(path)`. It works fine with values, folders etc. (haven't tried it with events tbh), but when it comes to methods it raises this error: `asyncua....
Ex/Import Server via XML - dealing with Methods
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/129/comments
5
2020-01-13T16:50:22Z
2020-01-15T12:19:27Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/129
549,055,253
129
[ "FreeOpcUa", "opcua-asyncio" ]
Dear, Thanks for opcua-asyncio In your examples you comment out a line such as: https://github.com/FreeOpcUa/opcua-asyncio/blob/master/examples/client-example.py Line 46 #var.read_value() # get value of node as a python builtin When connected to an OPC UA server (Beckhoff CX8091) this fuction yields: >...
AttributeError: 'Node' object has no attribute 'read_value'
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/123/comments
5
2020-01-06T16:07:23Z
2020-12-16T06:58:50Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/123
545,806,333
123
[ "FreeOpcUa", "opcua-asyncio" ]
null
generate_address_space is broken. It generates wrong LocalizedText constructors...
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/121/comments
0
2019-12-21T11:27:47Z
2023-03-29T08:20:54Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/121
541,316,617
121
[ "FreeOpcUa", "opcua-asyncio" ]
When running client_mininal.py example against a Milo OPCUA server with security settings off ( security mode = None e security Policy = None) I got an error on find_endpoint call: ``` packages/asyncua/client/client.py", line 87, in find_endpoint raise ua.UaError("No matching endpoints: {0}, {1}".format(securi...
Error on find_endpoint client call against a Milo OPC-UA server
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/119/comments
3
2019-12-19T22:07:03Z
2023-04-22T08:15:44Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/119
540,600,754
119
[ "FreeOpcUa", "opcua-asyncio" ]
We've noticed that in our production environment, where we run multiple instances (19 right now) of asyncua-based OPC UA servers, some instances enter some strange mode from which recovery is difficult. A symptom of this runaway mode is memory ballooning until the limit is reached. From the moment the issue mani...
Memory balloons after "Subscription Subscription(id:<id>) has expired."
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/116/comments
13
2019-12-17T17:45:21Z
2024-06-20T13:12:01Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/116
539,216,828
116
[ "FreeOpcUa", "opcua-asyncio" ]
Hi guys, I found a big problem with all the written tests. After each test we are deleting the subscriptions, but we leave the nodes and the eventgenerator at the server. Therefore we have some unexpected behavior. While a later test we got all nodes and everything expect the subscriptions of the previous tests. ...
Faults in the test script
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/111/comments
2
2019-12-16T10:54:14Z
2019-12-16T12:30:15Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/111
538,335,878
111
[ "FreeOpcUa", "opcua-asyncio" ]
`get_node` of `asyncua.sync.Server` raises an `AttributeError` see this Stacktrace for details: ```python File "/root/.local/share/virtualenvs/app-4PlAip0Q/lib/python3.7/site-packages/asyncua/sync.py", line 212, in get_node return Node(self.tloop, server.Server.get_node(self, nodeid)) ...
`get_node` of `sync.Server` is broken
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/108/comments
1
2019-12-03T09:24:13Z
2019-12-03T13:05:13Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/108
531,841,301
108
[ "FreeOpcUa", "opcua-asyncio" ]
I don't know it this is possible at all. If it is i'm not able to solve how to do it. I want to create a uamethod on the server that i call from the client (no problem). In this method i want to set a value on a node variable (problem). Is this even possible? Has combed the internet for an answer without any success...
Question: Set a object variable value from uamethod method?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/107/comments
4
2019-12-02T00:56:12Z
2019-12-04T00:34:55Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/107
530,831,035
107
[ "FreeOpcUa", "opcua-asyncio" ]
!! N00b alert !! I'm just getting into the OPC world, and one of the very first things I'm doing is to try and run a test OPC-UA server using this repo. I created a docker image with the given [Dockerfile](https://github.com/FreeOpcUa/opcua-asyncio/blob/master/Dockerfile) using: ``` docker build -t test-opc-ser...
Running a test OPC-UA server
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/106/comments
3
2019-11-29T18:15:23Z
2020-12-09T08:35:55Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/106
530,454,308
106
[ "FreeOpcUa", "opcua-asyncio" ]
Hi guys, I realized that the implementation of the events isn´t complete at the moment. According to the specs each event should be received if you subscribe to the server node. At the moment there is no way to implement an event hierarchy. Here is a event hierarchy from the specs: ![image](https://user-images...
HasNotifier implementation for events
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/105/comments
3
2019-11-29T10:38:27Z
2025-02-08T17:45:33Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/105
530,275,565
105
[ "FreeOpcUa", "opcua-asyncio" ]
As discussed in #1 I have problems with some of the examples. Most of them are not updated for asyncio. E.g. `server-custom-object.py` fails with ``` Traceback (most recent call last): File "./server-custom-object.py", line 42, in <module> mycustomobj_type.add_variable(0, "var_should_be_there_after_instantiat...
examples not working
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/103/comments
6
2019-11-25T13:26:28Z
2023-03-28T19:52:54Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/103
528,086,107
103
[ "FreeOpcUa", "opcua-asyncio" ]
I have a local opc ua server running (https://www.unified-automation.com/products/server-sdk/c-ua-server-sdk.html) and I can connect to it via ```python from asyncua import Client client = Client(url='opc.tcp://XXXX:48010') await client.connect() ``` then I navigate to the root node via ```python root =...
Can't access attributes and values from nodes
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/100/comments
3
2019-11-07T13:57:57Z
2021-01-14T14:14:51Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/100
519,282,612
100
[ "FreeOpcUa", "opcua-asyncio" ]
with the code : loop = asyncio.get_event_loop() loop.run_until_complete(one()) I can not add an other one hope help; tks
how can i connect more then one server use opcua-asyncio
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/99/comments
2
2019-11-06T11:38:33Z
2020-09-14T14:24:18Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/99
518,416,922
99
[ "FreeOpcUa", "opcua-asyncio" ]
Hello, I'm trying to implement Alarms & Conditions in opcua-asyncio. For that I have created a condition instance with add_object function and I saw a latency when I add a new instance in address space. For example to create 30 condition instances inheriting of `OffNormalAlarmType` it takes 4s approximately on I7 p...
Latency to add object instance of object type
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/97/comments
1
2019-10-30T09:39:12Z
2020-01-07T14:23:40Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/97
514,520,192
97
[ "FreeOpcUa", "opcua-asyncio" ]
Hello, After having studied this library (very good job by the way), I don't understand why coroutines (with asyncio) are used on node access and node management functions. Indeed, these functions read or write on address space that is loaded in RAM and I think using coroutines increases latency when I create new no...
Questtion about asyncio usage for node management
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/96/comments
3
2019-10-24T15:40:38Z
2023-03-29T09:47:20Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/96
512,027,471
96
[ "FreeOpcUa", "opcua-asyncio" ]
@oroulet I am trying to diagnose why I am seeing a latency (~0.2s, even when I decrease the publishing interval in the client to 1ms) between when I trigger an event and when the event is received on the client side. I suspect that this is probably an acceptable latency (especially because I am running the server on a ...
`_trigger_publish` Question
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/93/comments
2
2019-10-17T23:59:10Z
2019-10-25T17:22:25Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/93
508,779,785
93
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, Many thanks for this awesome work!!! I am new to async in python so please excuse me if my expectation does not make sense... I created a class and in the init I wanted to make the connection (once) and then in every call to a method in that class I can use the connected client to perform a node read or metho...
How can I avoid connect and disconnect of client for every operation?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/88/comments
1
2019-10-03T15:34:05Z
2021-01-14T14:11:46Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/88
502,140,946
88
[ "FreeOpcUa", "opcua-asyncio" ]
Hello, In `struct_to_binary` function an AttributeError is throw with LocalizedText object that are initialized like this in standard_address_space files: `ua.Variant([('Locale', 'en'), ('Text', 'Inactive')], ua.VariantType.LocalizedText)` When I use the same way used on python-opcua it work fine: `ua.Varian...
Attribute Error in struct_to_binary with LocalizedText
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/87/comments
1
2019-10-03T07:34:40Z
2023-03-28T19:51:54Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/87
501,901,262
87
[ "FreeOpcUa", "opcua-asyncio" ]
Title is pretty explanatory: current setup script [requires](https://github.com/FreeOpcUa/opcua-asyncio/blob/08861799d3413345dcc5b4ae387427739b864bad/setup.py#L38) `pytest-runner` on installation. But this requirement is only true if you want to run tests and is an unnecessary burden on production devices. PR would ...
Can we move pytest-runner requirement to tests_require instead of setup_requires?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/86/comments
4
2019-10-03T04:00:12Z
2019-10-04T00:47:57Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/86
501,837,815
86
[ "FreeOpcUa", "opcua-asyncio" ]
I got second hand report that B&R OPC-UA client (of unknown version) was unable to connect to opcua-asyncio server. UA_Connect() fails with Bad_TypeMismatch 0x80740000. The reported error was on MaxBrowseContinuationPoints that returns Variant Type Null as the value instead of the the UInt16 that was expected. The s...
MaxBrowseContinuationPoints null value breaks B&R client compatibility
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/85/comments
3
2019-10-02T12:47:58Z
2023-03-28T19:50:50Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/85
501,467,687
85
[ "FreeOpcUa", "opcua-asyncio" ]
Hi Guys, thanks for a great package! I'm struggling a little with the certificate handling. The server always accepts self signed certificates, shouldn't the certificates have to be moved to a trust list prior to it being trusted? And hence the client will be rejected and not able to view the server nodes? Cheers...
Certificate handling
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/82/comments
4
2019-09-23T05:45:34Z
2020-05-11T12:32:11Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/82
496,904,885
82
[ "FreeOpcUa", "opcua-asyncio" ]
I downloaded asyncua, however when I Debug the code the message "Exception has occurred: ModuleNotFoundError" pops up. If I do pip3 list, I can see asyncua 0.5.1 has been loaded.
asyncua module not loaded
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/81/comments
2
2019-09-10T00:17:38Z
2020-09-14T14:22:41Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/81
491,385,392
81
[ "FreeOpcUa", "opcua-asyncio" ]
We've observed process memory ballooning to several GBs over time, starting from an initial 80 MB, running an asyncio OPC UA server. The process is very active doing other things as well, but as long as no OPC UA clients connect, memory stays constant. A burn-in test app was created to perform a continuous conne...
Memory increases monotonically from repetitive client connects and disconnects.
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/79/comments
17
2019-08-27T07:42:53Z
2019-10-25T17:24:00Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/79
485,641,502
79
[ "FreeOpcUa", "opcua-asyncio" ]
In async.ua.uatypes at line 21 we have: `FILETIME_EPOCH_AS_DATETIME = datetime(1601, 1, 1)` I am happy to be corrected, but to me this creates what the Python documentation calls a naive datetime, that is, without time zone information, and this will return the time local to my time zone. In other words, thes...
SourceTimestamp and ServerTimestamp created as naive Datetime?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/77/comments
8
2019-08-07T19:58:44Z
2023-03-29T09:46:40Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/77
478,112,586
77
[ "FreeOpcUa", "opcua-asyncio" ]
I get `RuntimeWarning: coroutine 'InternalSession.add_method_callback' was never awaited` message when using the link_method() function of server.py This works for me: async def link_method(self, node, callback): """ Link a python function to a UA method in the address space; required when a UA me...
Missing await in server.link_method
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/74/comments
1
2019-07-23T15:29:20Z
2019-08-02T14:24:50Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/74
471,766,344
74
[ "FreeOpcUa", "opcua-asyncio" ]
I've installed Python 3.7 and 3.6 but I'm not able to run the example client code from the documentation. ``` from asyncua import Client async with Client(url='opc.tcp://172.16.3.51:4840/freeopcua/server/') as client: while True: # Do something with client node = client.get_node('i=85') ...
Syntax Error: Client examples
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/73/comments
1
2019-07-23T06:58:51Z
2019-07-23T07:37:09Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/73
471,518,476
73
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, I'm trying to implement binary/https opc-ua server by using Tornado https server. But I don't know how subscription mechanism should be processed over HTTPS that is a stateless protocol. How is processed a publish request ? How is sent a publish response ? (Maybe Websocket ?) Have you an idea about this sub...
Subscription mechanism and Publish on binary HTTPS server ?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/72/comments
2
2019-07-18T13:28:14Z
2019-08-22T13:32:09Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/72
469,769,834
72
[ "FreeOpcUa", "opcua-asyncio" ]
Hello, I try to test history function and I use `server-datavalue-history.py` from #63 . I see in log information that the datachange notifications are never acknowledged: see attached file: [log.txt](https://github.com/FreeOpcUa/opcua-asyncio/files/3397317/log.txt) We see that `AvailableSequenceNumbers` list i...
Datachange not acknowledged in History
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/71/comments
2
2019-07-16T13:57:24Z
2019-09-02T09:51:17Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/71
468,670,723
71
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, We see a warning printed by our client, whenever our OPC UA server restarts. [WARNING] asyncua.client.ua_client.UASocketProtocol - ServiceFault from server received in response to PublishRequest Once this happens, the client's data change subscriptions no longer work. Is there any particular configurat...
Client reconnect behaviour?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/70/comments
5
2019-07-12T15:27:16Z
2022-07-29T11:46:23Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/70
467,474,045
70
[ "FreeOpcUa", "opcua-asyncio" ]
read and write are more explicit and are the words used by spec. so it would be better. I always regretted choosing get and set originally, but that is an incompatible API change that might make some users not really happing @cbergmiller
rename get_value to read and set_value to write?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/68/comments
4
2019-06-29T07:45:16Z
2020-09-14T14:20:08Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/68
462,277,292
68
[ "FreeOpcUa", "opcua-asyncio" ]
My application creates several driver client instances connected to the same OPC server. An issue I found migrating from `python-opcua` is that every time a client session is closed, the other connected clients would stop getting updates from their subscriptions. After digging through the code a bit, I found that th...
All subscriptions on server are deleted when a client session is closed
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/67/comments
1
2019-06-26T01:27:17Z
2019-07-02T17:59:22Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/67
460,715,971
67
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, I am in the process of converting our codebase from `python-opcua`, and we rely on a feature to be able to pass in an event loop into the server from [this commit](https://github.com/FreeOpcUa/opcua-asyncio/commit/56cf68dfc51cb80418ed7a94e6b84edac2ffaabe#diff-85f90aee7fd78d5c077634c3b26eb9bd). I noticed this is...
Next planned release?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/64/comments
3
2019-06-20T18:00:22Z
2019-06-21T20:24:03Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/64
458,793,471
64
[ "FreeOpcUa", "opcua-asyncio" ]
Is there a possibility to create a subscription and await data changes (in an endless loop) instead of triggering the `datachange_notification` method in a subscription handler class?
Await datachange?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/61/comments
8
2019-06-16T20:14:44Z
2020-12-15T07:57:20Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/61
456,677,656
61
[ "FreeOpcUa", "opcua-asyncio" ]
Hello, I try do test history feature on the asyncio-server unsuccessfully. I use the `server-datavalue-history.py` example script that I modify like this: ``` import asyncio import sys sys.path.insert(0, "..") import time import math from asyncua import ua, Server from asyncua.server.history_sql imp...
history data are never saved in sqlite database
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/60/comments
8
2019-06-14T14:42:32Z
2019-09-01T06:14:06Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/60
456,284,911
60
[ "FreeOpcUa", "opcua-asyncio" ]
At the moment `SecureConnection._check_incoming_chunk` checks if the `SecurityToken` that was received along a message is the current token or if it is a valid previous token. If it is an previous token than all even older tokens are removed and thus declared invalid (if there are any). I don't think this behaviour co...
Accept SecurityTokens for some time after they expire in SecureConnection
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/59/comments
3
2019-06-06T10:39:50Z
2019-06-07T13:15:36Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/59
452,958,668
59
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, Do you guys think that the client is production ready? :)
Question: Client, production ready?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/58/comments
5
2019-06-05T08:42:58Z
2019-06-18T09:07:55Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/58
452,380,787
58
[ "FreeOpcUa", "opcua-asyncio" ]
In case of an _Acknowledge: or an _ErrorMessage_ `_call_callback` gets always called with an message id of zero. There is no special handling of message id zero in `_call_callback` though. There will be not future to resolve or cancel with id zero in the callback map. The right thing to do may be to cancel all request...
Special handling message id 0 in _call_callback
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/57/comments
0
2019-06-05T06:10:41Z
2023-03-29T09:44:38Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/57
452,329,760
57
[ "FreeOpcUa", "opcua-asyncio" ]
Hi, We're using a long-running client subscription loop which connects to a SIMATIC WinCC OA server in order to log events. After several days, an error internal to the library is raised, which does not propagate to the subscriber handler. As a result, the entire process stops logging events, while the subscriber...
Long-running loop sees internal subscription processing error
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/56/comments
10
2019-06-04T09:22:21Z
2023-03-28T19:48:38Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/56
451,887,867
56
[ "FreeOpcUa", "opcua-asyncio" ]
_callbackmap is never emptied! it might be possible to simply remove objects after a callback is used, but isnt'it any cases where _callbackmap is reused? I am thinking at subscriptions for examples.... @cbergmiller
memory leack in UaSocketProtocol
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/55/comments
2
2019-06-03T10:13:27Z
2019-06-03T10:50:39Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/55
451,400,666
55
[ "FreeOpcUa", "opcua-asyncio" ]
https://github.com/MagicStack/uvloop @cbergmiller we should try it, especially on server it might help a lot
try and benchmark uvloop
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/54/comments
3
2019-06-02T14:46:25Z
2019-10-25T17:22:13Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/54
451,199,675
54
[ "FreeOpcUa", "opcua-asyncio" ]
I created a thread (`from threading import Thread`) for loop in order to run asyncio it with Qt. I do a lot (1000/Sec) of **asyncio.run_coroutine_threadsafe(node.setvalue(), loop)** . In some circumstances I got an error. May be it's something obvious for you guys what can be wrong? ERROR:asyncua.client.ua_client...
Future for request id {request_id} is already done
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/53/comments
22
2019-05-25T07:58:59Z
2020-07-14T16:48:56Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/53
448,435,821
53
[ "FreeOpcUa", "opcua-asyncio" ]
When try to use a Node that is instantiated wit a GUID type string: ```python var = client.get_node("ns=4;g=35d5f86f-2777-4550-9d48-b098f5ee285c") ``` an exception is raised when it is converted to binary: ``` Traceback (most recent call last): File "client-minimal.py", line 30, in main print("My variable...
NodeId of type GUID that is parsed from string can't be converted to binary
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/49/comments
1
2019-05-08T12:55:38Z
2021-03-09T09:47:01Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/49
441,720,996
49
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller I found this one: https://github.com/FreeOpcUa/opcua-asyncio/pull/41/commits/3126dc89d5aef8a1bc62fef83bf8bea8f0fad24e This fixes one bug, BUT there is one more. If an exception is raised at that line in code, then the write call hangs forever, nothing printed in stdout and nothing is sent back to client. ...
lost exception in AttributeService.write
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/42/comments
10
2019-04-29T07:42:07Z
2019-05-15T07:57:29Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/42
438,186,525
42
[ "FreeOpcUa", "opcua-asyncio" ]
I got an error when I got a lot of nodes. This error is not necessarily happening,It may take a few more runs to happen. I have a device and thousands of nodes in my kepserver. **stack trace** ```111Node(StringNodeId(ns=2;s=Collection)) 222Node(StringNodeId(ns=2;s=Collection.ANDON1)) 333Node(StringNodeId(ns=2;s...
I got an error when I got a lot of nodes asyncua.ua.uaerrors._base.UaError: Wrong sequence 518 -> 518 (server bug or replay attack)
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/40/comments
7
2019-04-28T14:36:23Z
2019-05-04T10:24:16Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/40
438,063,226
40
[ "FreeOpcUa", "opcua-asyncio" ]
Since e.g. `Subscription.subscribe_data_change()` returns a list of handles it would be nice if `Subscription.unsubscribe()` would accept this list in addition to a single handle. This requires minimal code changes. Typings for the `handle` parameters could further help to clarify the usage of the subscription handles...
Support single handle or list of handles in Subscription.unsubscribe()
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/39/comments
0
2019-04-28T11:49:25Z
2019-05-01T15:34:22Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/39
438,047,954
39
[ "FreeOpcUa", "opcua-asyncio" ]
Scrutinizer complains a lot about the code in the __init__,py files. @cbergmiller you wrote/changed them. I am not sure how they should be. Someone should find out what the best practices are... https://scrutinizer-ci.com/g/FreeOpcUa/opcua-asyncio/
need cleaner module/class import in __init__.py(s) files
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/36/comments
3
2019-04-20T15:26:48Z
2019-04-24T07:29:05Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/36
435,410,703
36
[ "FreeOpcUa", "opcua-asyncio" ]
Hi guys, I am trying to make the opcua subscription working with the code below. The code is just the same as is in the example folder. (ofcourse there are some adjustments for making it work on my hardware) But after a fixed time, approximately 10 secs it comes with the following error. When I play with the sle...
UaStatusCodeError(self.value) after a fixed time
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/33/comments
24
2019-04-17T20:41:12Z
2019-05-15T07:58:13Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/33
434,476,572
33
[ "FreeOpcUa", "opcua-asyncio" ]
I've started one of your simple server examples. I have easy access with your own provided client. I also have access with some Android Apps. If I try with the test client, provided by Bosch Rexroth, then I can't manage to get a connection to my server. https://www.boschrexroth.com/en/xc/products/product-groups/ele...
No access to server with Bosch Rexroth OPC UA test client
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/32/comments
8
2019-04-17T13:21:38Z
2019-04-28T08:55:25Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/32
434,280,276
32
[ "FreeOpcUa", "opcua-asyncio" ]
Hi I have a UA OPC Server running in python (using the server-example.py) python script. I am able to read tags from the server using one of the example client scripts. In Kepware I get an error when I try to add browsed tags and when I try to manually add tags using their address I am also not able to view th...
[Bug Report] Kepware (and OPC Expert) can't read tags from Python OPC Server
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/31/comments
1
2019-04-16T08:14:55Z
2023-03-28T19:48:00Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/31
433,643,282
31
[ "FreeOpcUa", "opcua-asyncio" ]
Hi I'm getting an error when I try to set a value using set_value() in a client. I have a Kepware UA OPC Server running and connecting using a simple UA Client in python When I try to use: `tag1.set_value(5)` I get: `asyncua.ua.uaerrors._auto.BadWriteNotSupported: The server does not support writing the com...
Error when trying to set_value() of a tag
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/30/comments
11
2019-04-15T13:22:52Z
2022-09-05T06:41:50Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/30
433,279,754
30
[ "FreeOpcUa", "opcua-asyncio" ]
Hi I'm running an OPC Server in python (server-example.py) and trying to connect to it using an OPC UA Client in Kepware (KEPServerEX6). The connection works but I get an error message when I browse for tags and try to add them. If I manually try to add them using their address (eg. ns=2;i=13) then it works fine. ...
Kepware tag browsing issue
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/29/comments
4
2019-04-15T08:14:32Z
2020-08-22T07:39:41Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/29
433,150,629
29
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller Why do we have dependency to https://pypi.org/project/asyncio-contextmanager/ ? It seems to be used at one place in https://github.com/FreeOpcUa/opcua-asyncio/blob/master/asyncua/server/history_sql.py What was the issue that made it needed?
dependency to context manager
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/28/comments
3
2019-04-04T11:23:47Z
2019-04-20T06:40:41Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/28
429,224,647
28
[ "FreeOpcUa", "opcua-asyncio" ]
I am trying to write value to opcua. Basically my code is like this in example: var = client.get_node("ns=3;i=2002") print(var) var.get_data_value() # get value of node as a DataValue object var.get_value() # get value of node as a python builtin var.set_value(3.9) # set node value using implicit data type ...
BadWriteNotSupported
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/26/comments
3
2019-03-18T09:43:22Z
2021-11-10T12:09:46Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/26
422,120,934
26
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller looks like scrutinizer code checker does not like you. ![image](https://user-images.githubusercontent.com/2564046/54419278-5650f480-4707-11e9-9ac6-4997562d0d49.png) https://scrutinizer-ci.com/g/FreeOpcUa/opcua-asyncio/issues/master?orderField=issueCount&order=desc&honorSelectedPaths=0&page=1
scrutinizer report
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/25/comments
3
2019-03-15T08:47:39Z
2020-12-16T06:53:51Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/25
421,411,059
25
[ "FreeOpcUa", "opcua-asyncio" ]
should we have explicit start_thread_loop() and stop_thread_loop() or can we hide it in __del__ etc... hidding it might generate some fancy error cases....
sync-api
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/23/comments
1
2019-03-04T09:53:50Z
2019-10-25T17:21:25Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/23
416,717,730
23
[ "FreeOpcUa", "opcua-asyncio" ]
`opcua.ua.uaerrors._auto.BadTimeout: The operation timed out.(BadTimeout)` For a better understandig, with the asyncronious client I get that timeout error. See attachment of the output.dump file [output.zip](https://github.com/FreeOpcUa/opcua-asyncio/files/2905280/output.zip) The client IP is 10.2.202.253, the ...
BadTimeout Error connecting to Frako PQM-1588 OPC-UA DA Server
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/22/comments
10
2019-02-26T09:46:58Z
2019-04-20T07:23:32Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/22
414,519,574
22
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller is returning a coroutine from sync methods really more efficient flagging that method async? I see that you often do not declare methods returning coroutine with async.... Is really ``` async def toto(): await asyncio.sleep(1) def whaterver(): return toto() await whatever ``` ...
is returning a coroutine from sync methods really more efficient flagging that method async?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/21/comments
4
2019-02-25T20:20:43Z
2019-03-03T07:11:06Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/21
414,288,994
21
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller do you have any overview of what tests are missing in asyncua compared to python-opcua? Now that I have sync wrapper that seem to completely working, it should in theary be possible to just copy the missing files to this repository, although it would be better to port them to pytest too
missing tests from python-opcua
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/20/comments
4
2019-02-25T20:15:46Z
2020-12-15T08:25:58Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/20
414,286,894
20
[ "FreeOpcUa", "opcua-asyncio" ]
@oroulet Sorry for the empty merge commit aa8105b297044d124e37913a9baf5e091bed0c6f I pulled the master and accidentally pushed it again. As far as can see no files have been changed by this - should i try to remove the commit?
Accidental empty merge commit aa8105b
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/19/comments
2
2019-02-25T10:53:02Z
2019-02-25T12:00:03Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/19
414,045,277
19
[ "FreeOpcUa", "opcua-asyncio" ]
Hello, opcua-asyncio version stops with error on connection to server step in ` async with Client(url=url) as client`. At the same time opcua works well. ```python import asyncio import sys sys.path.insert(0, "..") import logging from asyncua import Client, Node, ua logging.basicConfig(level=logging.DEBUG) ...
Can't connect to Rockwell OPCUA server
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/18/comments
14
2019-02-24T09:14:55Z
2019-05-03T16:06:28Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/18
413,800,481
18
[ "FreeOpcUa", "opcua-asyncio" ]
Use dataclasses to remove code
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/14/comments
5
2019-02-17T12:21:02Z
2021-04-26T09:10:15Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/14
411,181,711
14
[ "FreeOpcUa", "opcua-asyncio" ]
This is going to be a lot of renaming...
Rename namespace opcua. It must be possible to install both sync and asynchronous versions..
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/13/comments
4
2019-02-17T11:24:22Z
2019-02-23T16:28:50Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/13
411,176,995
13
[ "FreeOpcUa", "opcua-asyncio" ]
I would like to propose the usage of type hints [https://www.python.org/dev/peps/pep-0484/](https://www.python.org/dev/peps/pep-0484/) (at least for the complex types). For example: ```python def publish_callback(self, publishresult: ua.PublishResult): self.logger.info("Publish callback called with re...
Type hints
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/12/comments
1
2019-02-17T11:17:33Z
2019-02-17T11:42:34Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/12
411,176,481
12
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller In fact I was trying to debug exactly that stuff right now. but I am not really sure how to do this correctly. I see that you implemented the connection renewal using create_task and recursion. This kind of fire and forget stuff in asyncio is asking for trouble. I believe, but correct me if I am wrong, th...
background tasks and subcriptions
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/10/comments
2
2019-02-17T10:16:33Z
2019-02-24T11:36:55Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/10
411,171,412
10
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller I am now looking at the asyncio stuff. and I now see that you completely remove the KeepAlive thread. Why? How do you then keep the secure session alive?
keepalive status?
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/9/comments
1
2019-02-17T08:32:39Z
2019-02-17T08:48:41Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/9
411,162,711
9
[ "FreeOpcUa", "opcua-asyncio" ]
@cbergmiller you have some changes in your own work
make PR for cbergmiller:make/asyncio
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/8/comments
0
2018-08-12T12:48:52Z
2019-02-23T16:29:12Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/8
349,810,097
8
[ "FreeOpcUa", "opcua-asyncio" ]
We need to write status somewhere (README?) so people are clear over current state. does the client work? does the server work? for what?
opcua-asyncio status
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/7/comments
1
2018-08-12T12:44:49Z
2019-03-03T07:12:02Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/7
349,809,827
7
[ "FreeOpcUa", "opcua-asyncio" ]
port changes from python-opcua that have not been ported yet
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/6/comments
0
2018-08-12T12:43:45Z
2019-02-23T16:29:22Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/6
349,809,744
6
[ "FreeOpcUa", "opcua-asyncio" ]
It would be great to make a sync API so we do not need to maintain two branches. I am expected many users to be more than happy with sync and not everybody want to use asyncio. If we do that we may not even need to port all examples and tests It should be possible (and little work) to make wrapper around Client, Ser...
sync API
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/5/comments
1
2018-08-12T12:43:15Z
2019-04-29T07:06:03Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/5
349,809,716
5
[ "FreeOpcUa", "opcua-asyncio" ]
When trying to re-import the nodes from the created XML file, the tests fails with the error `BadParentNodeIdInvalid: The parent node id does not to refer to a valid node.(BadParentNodeIdInvalid)`.
Test `test_xml_method` is failing.
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/4/comments
1
2018-08-12T11:19:15Z
2019-02-17T11:18:36Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/4
349,804,540
4
[ "FreeOpcUa", "opcua-asyncio" ]
Changes to the API need to be documented.
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/3/comments
0
2018-08-12T11:17:37Z
2019-05-05T05:24:55Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/3
349,804,460
3
[ "FreeOpcUa", "opcua-asyncio" ]
All command line tools need to be refactored for use with the async. API.
Command line tools are outdated
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/2/comments
1
2018-08-12T11:17:02Z
2019-04-30T11:38:08Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/2
349,804,430
2
[ "FreeOpcUa", "opcua-asyncio" ]
Most of the examples still use the synchronous API and won't work.
Most examples are outdated
https://api.github.com/repos/FreeOpcUa/opcua-asyncio/issues/1/comments
2
2018-08-12T11:15:24Z
2019-05-05T05:24:39Z
https://github.com/FreeOpcUa/opcua-asyncio/issues/1
349,804,320
1