yaws | Yet Another AWS Tools | AWS library
kandi X-RAY | yaws Summary
kandi X-RAY | yaws Summary
Yet Another AWS Tools. This tool is to add functionalities that are blocked in PullRequest on official client.
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Community Discussions
Trending Discussions on yaws
QUESTION
I have a NodeShape with a sh:SPARQLTarget . I tried to run the Target SPARQL query in an ontology editor and it delivered results, but when I'm executing the same query in my custom target node shape in sh:select, it won't validate the target nodes returned by the SPARQL query. I am using pySHACL. Did I do something wrong? I'm out of ideas. Here is my Nodeshape and data graph:
I have used “” for sh:select instead of “”” “””, since I am defining the shapes_graph as a variable in my python code and it is already encoded in """ """. I have also enabled meta_shacl=True in pyShacl to ensure that my shapes_graph is valid. Also the nodeShape (snomed:dob363698007Shape) works well when provided with a normal TargetClass or TargetNode. What am I missing?
I have already referred SPARQLRule not constructing
...ANSWER
Answered 2022-Mar-12 at 10:21I've put your shacl shapes file and data graph into PySHACL to isolate the issue you are seeing.
There are two problems with your given setup that I have found.
Firstly, SPARQL-Based Targets is a feature from the SHACL Advanced Specification. PySHACL does not enable the Advanced-Spec features by default. You can enable "advanced mode" by passing advanced=True to the validation module, or -a or --advanced on the commandline tool.
That is the main reason your SPARQL target was not selecting the nodes you expected.
Next, after enabling advanced mode, you will see that PySHACL fails when loading your SHACL Shape Graph. That is because your prefix namespace is not declared correctly.
See the examples in the SPARQL-Prefixes section of the Spec document. The specification states
"The values of sh:namespace are literals of datatype xsd:anyURI."
Your sh:namespace is a URIRef, not a Literal. Changing the namespace declaration to the following, fixes the error.
QUESTION
I have a yaws webserver. I'm trying to connect via https in local network. When I setup my server in yaws.conf for http, as follows, all works fine when I connect via http://0.0.0.0:80/myappmod in browser
...ANSWER
Answered 2022-Feb-01 at 18:15In your yaws.conf file, your keyfile parameter in the block refers to a file with a .key suffix. According to the Erlang ssl module man page, that file should instead be in PEM format (i.e., a .pem file).
- The
sslman page says if you leave out thekeyfileparameter, it defaults to the same ascertfile, so you could try droppingkeyfilefrom youryaws.conffile to see if that helps. - If that doesn't work, you likely need to convert the
.keyfile to a.pemfile; this answer describes how to do it.
QUESTION
Trying to understand Yaws and my docker stack.
I have 3 servers in yaws.conf: domain.tld, my.domain.tld and sm.domain.tld. These correspond to containers www, wmy and wsm. I want Yaws to process data from domain.tld via appmod and pass through the other two.
With nginx as proxy this was not hard to do. How to do it right with Yaws?
Currently I pass the same appmod to all three and let that appmod decide what to do.
...ANSWER
Answered 2021-Oct-18 at 12:54Instead of using a redirect, you can use the Yaws reverse proxy feature, as it will essentially do what your appmod is doing in its "no glue" sections.
For my.domain.tld and sm.domain.tld, add a virtual server to your yaws.conf file, and within each, specify revproxy:
QUESTION
I have a domain in stealth mode, protected by basic auth. Basic auth is not supported by Letsencrypt and probably never will (https://github.com/certbot/certbot/issues/1744#issuecomment-162038303).
After moving from Nginx to Yaws, the next Letsencrypt renewal is scheduled. So here is a problem. I could disable basic auth in Yaws, do the renewal and then enable again, but that is no real solution.
There are easy workarounds for Apache and Nginx, i.e. define an exception to basic auth for the directory /.well-known/acme-challenge.
How to do that in Yaws? The basic auth definition for my domain in yaws.conf is now
ANSWER
Answered 2021-Oct-17 at 20:50For each subdirectory you want to exclude, add a .yaws_auth file to that subdirectory with the contents
QUESTION
I am using XE2 and trying to parse a JSON file sent by a robot to a URL. I've looked at several solutions, but most don't apply due to my version of Delphi. I tried to apply the solution I found here: How to parse nested JSON object in Delphi XE2?, but I can't seem to figure out how to get the information I need.
JSON string:
...ANSWER
Answered 2021-Jun-02 at 19:39Well, for starters, you don't need to convert your downloaded string to an ASCII encoded TBytes. TJSONObject.ParseJSONValue() has an overload that takes a string as input.
Second, LJsonObj.Get('ATTITUDE').JsonValue will return a TJSONObject, which you are incorrectly type-casting to a TJSONPair. But that doesn't matter, since you are then ignoring that TJSONPair and instead incorrectly type-casting the input parameter sVALUE from a string to a TJSONPair and then trying to access its children. That is why you are getting the Access Violation.
But even if you were able to find the TJSONPair for the roll value, you are returning the string value of its JsonString (name) property, not the string value of its JsonValue (value) property.
Try this instead:
QUESTION
I have to prepare Logger class which will be saving data from 3 structs in interval of 10-15 ms. My approach to this problem is below:
...ANSWER
Answered 2020-Nov-17 at 15:27The biggest issue is probably using DateTime.Now, this has poor resolution and is not appropriate for this kind of task.
A simple alternative that would be more appropriate is a stopwatch.
QUESTION
Is it possible to keep a UDP server running as an asynchronous function receiving data and then passing it to an (PyQt5) widget which is also running as an asynchronous function??
The idea is that when the data coming into the server is updated, it also updates the widget.
I have got a simple UDP server and a (PyQt5) widget already which are working fine independently but I am struggling trying to combine them and keep them both running asynchronously and exchanging data(Server transmitting data to widget)
[UPDATE]
Below is a widget that I am trying out
...ANSWER
Answered 2020-May-18 at 15:11It should be clear that your UDP server does not run asynchronously.
The logic of asyncio is that everything uses an eventloop as a base, and by default Qt does not support it, so you must use libraries such as qasync(python -m pip install qasync) and asyncqt(python -m pip install asyncqt)
Considering the above, the solution is:
speedometer.py
QUESTION
My sole method of debugging (io:format/2) is not working in YAWS. I'm at a loss. My supervisor starts three processes: ETS Manager, YAWS Init, and Ratelimiter. This is successful. I can play around with the rate limiter in the shell... calling the same functions YAWS should be. The difference being the shell behaves as I would expect and I have no idea what is happening in YAWS.
I do know if I spam the command in shell: ratelimiter:limit(IP) it will return true eventually. I can execute the following and it will also return true: ratelimiter:lockout(IP), ratelimiter:blacklist(IP). The limiter is a gen_server.
The functions do the following:
limit/1: Check ETS table if counter > threshold; update counter. If counter > blacklist threshold make entry in mnesia tableblacklist/1: Check mnesia table if entry exists; Yes: reset timerlockout/1: Immediately enters ID into mnesia table
In my arg_rewrite_mod module I'm doing some checks to ensure I'm getting the HTTP requests I expect, namely GET, POST, and HEAD. I thought this would be a nice place to also do the rate limiting. Do it as soon as possible in the web server's chain of events.
All the changes I've made to the arg_rewrite module seem to work except using "printf"s and the limiter. I'm new to the language so I'm not sure my mistake is obvious or not.
Skeleton of my arg_rewrite_mod:
ANSWER
Answered 2020-Apr-12 at 21:39When starting Yaws as part of another application, it's important to use its embedding support. One important thing the Yaws embedding startup code does is set the application environment variable embedded to true:
QUESTION
I'm kind of at a loss. YAWS works fine starting as a service during boot in LXQt 19.04. But I intended on using a rate limiter; setting it in arg_rewrite_mod. Having one VM run YAWS and another my application, setting code paths appropriately, I believe would yield subpar performance because the rate limiting calls would use OS-based IPC and not Erlang IPC. Hence there should be OS IPC overhead and not EVM overhead, correct?
I basically just wanted everything under one hood to eliminate that. This is one thing were there are probably a few ways to approach the problem (i.e. split up my project and duplicate pieces where needed) but I like the "simplicity" of everything in one place.
I'm getting an error, {badmatch, {error, enoent}}, in the shell after:
ANSWER
Answered 2020-Mar-28 at 13:29The source code line 548 shown in your question can't return {error, enoent}, but line 548 of yaws_server.erl for version 2.0.6 is
QUESTION
I am going for a RuneScape-style camera that rotates around the player using WASD. Rotating horizontally works fine but when I mix the two (as in pitching up or down) the camera rotates around the player really awkwardly, the camera might invert or will sort of gimbal I guess.
Here's my code:
...ANSWER
Answered 2020-Feb-10 at 07:46It looks to me that you are using currentPitch, but rotating it around the forward axis? Which would create roll on the world foward axis?
If your up vector is always world up, then the yaw you have will work. But what you want to do is recalculate the right vector from your current location to your target after you apply the yaw.
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Install yaws
You can use yaws like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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