flask-caching | A caching extension for Flask | Caching library
kandi X-RAY | flask-caching Summary
kandi X-RAY | flask-caching Summary
[Code style: black] Adds easy cache support to Flask. This is a fork of the [Flask-Cache] extension. Flask-Caching also includes the `cache` module from werkzeug licensed under a BSD-3 Clause License.
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QUESTION
I am using Airflow 2.0 and have installed the slack module through requirements.txt in MWAA. I have installed all the below packages, but still, it says package not found
...ANSWER
Answered 2022-Apr-10 at 04:33By default, MWAA is constrained to using version 3.0.0
for the package apache-airflow-providers-slack
. If you specify version 4.2.3
in requirements.txt
, it will not be installed (error logs should be available in CloudWatch). You'll have to downgrade to version 3.0.0
.
apache-airflow-providers-slack
(constraints.txt)
OR
Add constraints file to the top of requirements.txt
to use version 4.2.3
of apache-airflow-providers-slack
.
Add the constraints file for your Apache Airflow v2 environment to the top of your requirements.txt file.
QUESTION
I am currently building a basic application in which I am carrying out measurements with a sensor connected to the hosting Raspberry Pi. To do so, I have decided to go for Quart, as it allows me to run them in the background. I am currently trying to use the cache such that the data can be used by the JS frontend (eg. for downloading, live plotting) through eg. websockets and by other requests. I want to do this with the extension Flask-Caching, which is supported by Quart according to pgjones. However, once I try to initialize the extensions, I get
...ANSWER
Answered 2022-Feb-08 at 20:22The CACHE
attribute in the Config
is missing CACHE_DIR
, which will define where the FileSystemCache stores cached data. For example, if the CACHE
attribute Config
was the dictionary {'CACHE_TYPE': 'FileSystemCache', 'CACHE_DIR': '/tmp'}
QUESTION
I try the example on: https://github.com/Azure-Samples/ms-identity-python-webapp with Windows 10, but I get an error with ModuleNotFoundError: No module named 'flask_caching.backends.filesystem'
(Flask-Caching is already installed with pip).
Version: Python 3.9.9, Flask 1.1.4 and Werkzeug 1.0.1.
I only changed the code with Client_ID, CLient_Secret and domain name in app_config.py
.
Has anybody an idea?
ANSWER
Answered 2021-Dec-07 at 08:25The error ModuleNotFoundError means python interpreter cannot find the libraries which you are referring to in the code although the module is already installed.
Common causes of this error:
- Using modules meant for different python versions but Installing python 2.x modules in python 3.x and vice a versa.
- When not properly setting PATH variable.
(Or)
If you are using a python virtual environment. It need to be installed after creating a virtual environment as commented by @grumpyp . The libraries will reside inside the folder created for the virtual environment. And can installed according to requirements.txt file
QUESTION
I am implementing a flask based webpage and my CSS is failing to load. When I start the flask program and access the test page, I can see the HTML content, but the CSS fails to load at all,and shows a 404 error in the command line. I am using the recommended file structure for holding static webpages, and I am holding all of my CSS files in the static folder. My HTML templates work, and I'm accessing them in the same way. My flask code is included below as well.
...ANSWER
Answered 2021-Oct-23 at 17:04I would recommend you to use relative paths for now. When in production, use the static paths.
Also, make sure you are requesting the correct urls from the static files itself.
QUESTION
I am experimenting with a Flask App to return some json data that is cached with Flask-caching.
This end point works, as well as the flask-caching to cache the get_payload
without having to re-run the function:
ANSWER
Answered 2021-Aug-31 at 16:52There is a trailing comma in your last URL: '/payload/hourly,'
Just remove it and it should work.
QUESTION
I have built a flask app and i would like to create a test suite. Reading around it looks like pytest is the way to go; however, I am finding it very difficult to understand how to get going, I have looked at https://flask.palletsprojects.com/en/2.0.x/testing/ but am struggling to relate it to my app.
my project has a run.py at its base:
...ANSWER
Answered 2021-Jul-05 at 08:39Use Dotenv package
QUESTION
I have Airflow deployed in virtual env and in case I try to execute PythonVirtualenvOperator with import of the Airflow module (to get Variables for example) it gives me the AttributeError. Guess I do not fully understand how Airflow executes VirtualenvOperator, and therefore what to do to overcome it, so any suggestions and insights will be highly appreciated
My test DAG code
...ANSWER
Answered 2021-Apr-19 at 16:29It seems that you are confusing the use-cases for PythonVirtualenvOperator and PythonOperator.
If you simply want to run a Python callable in a task (callable_virtualenv()
in your case) you can use PythonOperator. In this case, it does not matter if you installed Airflow in a virtual environment, system wide, or using Docker.
What happens in your code is the following: PythonVirtualenvOperator
creates another virtual environment (which is completely unrelated to the one in which you run Airflow), installs Airflow into it, and tries to import Variable
. But this another Airflow installation is not configured and that is why you get those exceptions. You could set the AIRFLOW_HOME
environment variable for this second Airflow installation to the same directory as used by the first Airflow installation, and this should actually work, but it looks like an overkill to me.
So, what you can do is install colorama
into the same environment in which you installed Airflow and replace PythonVirtualenvOperator
by PythonOperator
.
BTW, those print()
inside the callable would be redirected into a log file and not printed to terminal, so it probably does not make much sense to use colorama
with them.
QUESTION
I'm trying to configure OAuth authentication with GitHub apis, on Superset 1.0.1. Following the docs, I added the following lines in superset_config.py
ANSWER
Answered 2021-Mar-31 at 10:48Maybe I shouldn't have posted the question so early, since it was a very simple error ...
The OAUTH_PROVIDERS
variable should be an array!
QUESTION
I'm trying to find some help installing apache-airflow.
I am on MacOS 10.15.7, Python version 3.8.2, and I keep getting an error:
ERROR: Could not build wheels for setproctitle which use PEP 517 and cannot be installed directly
I have tried using earlier versions of pip and python to no avail.
Does anyone know what I can do in this situation? I have looked at all the stack overflow questions that popped up with these search terms but none have presented a solution that worked for me so far.
Any help would be much appreciated.
...ANSWER
Answered 2021-Mar-04 at 00:26I am on MacOS 10.15.7 Python version 3.8.2
I'm guessing you used the Python 3 bundled/pre-installed with macOS Catalina.
QUESTION
I have a flask application, in which I use "flask-caching" with redis. I save some values in the cache and retrieve it for processing. I have to write unittest for this. How can I mock the redis instance and pass the host for that server in the flask caching config.
I did try "fakeredis", but that does not give me the redis host, which I can use in flask caching and test my application.
How can I go about writing unit test cases for this ?
...ANSWER
Answered 2020-Dec-31 at 16:16The mock object library can be used to create a Mock instance for Redis that returns a value for a particular method call, for example:
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