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Tag: python

Mocking sqlobject function call for test db

I am trying to mock sqlbuilder.func for test cases with pytest I successfully mocked sqlbuilder.func.TO_BASE64 with correct output but when I tried mocking sqlbuilder.func.FROM_UNIXTIME I didn’t get any error but the resulted output is incorrect with the generated query. Below is the minimal working exa…

How to extend the color palette in matplotlib?

I coded the following function: And then the for-loop: As the for loop iterates over num_columns which has 40 variables, the standard palette only offers 10 colors. However, I want to have every variable its own color. Is there a way to code it also being flexible when it comes to the number of variables? Ans…

Creating a function that works like “zip”

I am trying to make a function that does something similar to “zip”. My problem is that the part doesn’t work. In the case below, it should take every third element from the L4, and append it to a new list, so I ended up with [[1, 4, 7], [2, 5, 8], [3, 6, 9]], but that is not really

Grouping python dataframe by multiple column name

My goal in to split python dataframe by multiple columns. In the case of one column, data frame can be splitted by column ‘X1’ as below, using the groupby method. However, how to split dataframe according to columns X1 and X2? Answer If pass another column name is necessary select dfs by tuples: I…