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How can Jinja2 read a function without passing it explicitly?

In the flask:flashing documentation, I encounter the following situation. And here is the Jinja2 used HTML file. So I wonder that even if there is no function passed in to the HTML file by using return statement in Python file, Jinja2 can read get_flashed_messages() function, which is a function under the fla…

Getting Key in Nested Dictionary

I have a dictionary like this: Now I want to extract the key whenever a value from that key is searched. For example if user inputs mango it should print fruit How can I do this? Answer There is no way to directly do this to my knowledge, but you can try an iterative approach over the dictionary’s value…

tkinter, pack inside grid and propagation not working

I am trying to create a button with a fixed size. So, I created a Frame (grid) with the size I want and then a child Button (pack) inside of the Frame that takes all the space. Here is a minimal example: Without the commented line above, I expected that it would work (having a rectangle of the specified size)…

monitor chrome tabs – python selenium

I’m writing a script where I need you to monitor the number of open tabs. The script reads a table and each information in the table opens a new tab in the browser. It turns out that in order not to have thousands of tabs open, I need the script to monitor the tabs to have only 3 open, when

Connect to MS access database using PyQt5

I’m trying to connect to a MS access database using the following code: I have office 2019 installed. I cannot figure out what is wrong in the connection string or the driver. Answer I figured out that this problem happened because I have a 64-bit of python and a 32-bit of access database engine driver.…

Flask testing with pytest, ENV is set to production?

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 proj…