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How to parse and match with multiple regexes

I have an input data of the form: I need to parse through this data and the IN: / OUT: /INOUT: depending on three regexes given as: My output should be: The code I tried: The problem I face is that it does not parse correctly and it is not getting matched for each subdata beginning with [2] Answer Though

How to timeit.timeit multi-line output without EOL error?

I have the following code stored in a .py file: This code executes perfectly fine. But now I want to measure the time it takes to execute the code. So I try to insert it into timeit.timeit in the following way: And now I get the following error: So apparently, it seems like the python code is giving me EOL

Accessing Files from User Device using Flutter or Python

I am making a music player with flutter so, I wanna to ask how to access all the files of a particular extension ( mp3, wav ) with it’s details in Flutter or if not in Flutter then Python to play those music files with details like song name, author name Answer In python, you can basically do: By doing

How should I capture multiple similar exceptions in such a case?

For example, I am parsing an xml file element, and all 4 elements are required. My code this like this with minidom library: If the xml document lack any of the 4 tags, I want to throw an IndexError exception. Should I use 4 try … except blocks to capture each element exception, or I should just capture…

pandas sorting by subtotal

I have a multi indexed dataframe like below. I’ m giving the full data consciously, because when I try this solution pandas multi index sort with several conditions with small data it is OK, but when I try with full data, it doesn’t work. Multi-indexes are: ‘MATERIALNAME’ and ‘CU…

Formset Not Saving on UpdateView Django

I’m having problem on formset not saving on UpdateView. This has been discussed in several SO post, and so far I can summarized them to following Make sure to pass an instance. Hence. Reference context[‘formset’] = journal_entry_formset(self.request.POST, instance=self.object) Override the P…

Pandas dataframe slice left assignment

I want to do a left assignment of one column’s values between DataFrame slices where the indexes don’t match. Is there a single expression that will work whether the left slice’s indexes are a subset or a superset of the right slice’s? The following attempt fails when left is a subset:…

Pandas count number of rows since value > current cell

I have a Dataframe df: I would like to count the number of rows backwards until a value greater than the current value is found, or until the first row is reached. For example, the result would be: I am basically trying to find the value of n in df[‘col_1’].rolling(n).max() for each value of the s…