I have a dataclass foo which has a member item_li: list[item], item is a dataclass which has a member sub_item_li: list[sub_item] I want to return list[sub_item] from a method of foo. I am primarily looking for a solution with list comprehension. I got it already working with the following list comprehension …
Flask: unable to serve rendered pages from specific directory
I have a bunch of files in a directory that I wish to render and serve to the user, but have been unable to. Going to the path always returns just the ‘page_template.htm’ and not the rendered file. Here’s my code: What I wish to do is to grab raw text files from the ‘Special_Data’…
check if JSON response has an object
I’m trying to filter out if a JSON response has objects, and do something if it has. My Problem is that even if it has objects, it won’t trigger the break. Here is my code: Answer print(email.get_list_of_emails()) return None. This is why you never get the break. Try to remove the print Try to cha…
Share the output of one class to another class python
I have two DNNs the first one returns two outputs. I want to use one of these outputs in a second class that represents another DNN as in the following example: I want to pass the output (x) to the second class to be concatenated to another variable (v). I found a solution to make the variable (x) as a
Django – issue with loading css
I’ve recently started learning Django and I’ve been having a lot of issues with implementing css into my code. I’ve found a lot of people with the same issue as me but I am still unable to find an answer. Currently when I run open the website it give me this https://imgur.com/a/0N23s7b And I…
Pandas coverting columns of several dataframes to datetime doesn’t work in a loop
For some reason I cannot convert columns of different dataframes: although str can be converted to datetime. But it works ok if I write And if I call it returns a Timestamp. Is this the point? Answer pd.to_datetime returns a new Series and you assigned that series to i, which you never used after the conversi…
How to update xml file using python beautifulsoup
I have a xml file for which I have to update a value of tag. Below is the content of the file In the above content, I have to update the value of path with new valueBelow is the code I have: But its not getting updated in xml file. Can anyone please help. Thanks Answer Using ElementTree (no need
Use the same websocket connection in multiple asynchronous loops (Python)
I am running two loops asynchronously, and want both to have access to the same websocket connection. One function periodic_fetch() fetches some data periodically (every 60 seconds) and sends a message to the websocket if a condition is met. The other retrieve_websocket() receives messages from the websocket …
How can a busy-wait loop be avoided for an event driven program?
I’m coding a chess game in python using pygame. One of the common tasks is the need to handle events, and the only way I know how to do it is like this: The while loop just keeps spinning, which is inefficient. In embedded programming, you can send the cpu to sleep until there is an interrupt. Is there …
getting, TypeError: json cannot serialize object of type ‘byte. When loading table to big query via server
When I run the following code on the server (I think, when reading the json file with google application credentials), I get the following error: Json as( source here ): My Code: When I run it with spyder IDE on my local computer with windows installed, there is no problem. Answer I solved the problem. The py…