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python

Parse a .py file, read the AST, modify it, then write back the modified source code

August 20, 2022 by Magenaut

I want to programmatically edit python source code. Basically I want to read a .py file, generate the AST, and then write back the modified python source code (i.e. another .py file).

Categories Python, Q&A Tags abstract-syntax-tree, compiler-construction, python Leave a comment

Take a screenshot via a Python script on Linux

August 20, 2022 by Magenaut

I want to take a screenshot via a python script and unobtrusively save it.

Categories Python, Q&A Tags linux, python, screenshot Leave a comment

What is __main__.py?

August 20, 2022 by Magenaut

What is the __main__.py file for, what sort of code should I put into it, and when should I have one?

Categories Python, Q&A Tags python Leave a comment

Python Variable Declaration

August 20, 2022 by Magenaut

Learning Python, and has some basic doubts.

Categories Python, Q&A Tags python, python-2.7, python-3.x, variable-declaration Leave a comment

Update value of a nested dictionary of varying depth

August 20, 2022 by Magenaut

I’m looking for a way to update dict dictionary1 with the contents of dict update wihout overwriting levelA

Categories Python, Q&A Tags python Leave a comment

Split cell into multiple rows in pandas dataframe

August 20, 2022 by Magenaut

I have a dataframe contains orders data, each order has multiple packages stored as comma separated string [package & package_code] columns

Categories Python, Q&A Tags dataframe, pandas, python Leave a comment

pandas: filter rows of DataFrame with operator chaining

August 20, 2022 by Magenaut

Most operations in pandas can be accomplished with operator chaining (groupby, aggregate, apply, etc), but the only way I’ve found to filter rows is via normal bracket indexing

Categories Python, Q&A Tags dataframe, pandas, python Leave a comment

removing emojis from a string in Python

August 20, 2022 by Magenaut

I found this code in Python for removing emojis but it is not working. Can you help with other codes or fix to this?

Categories Python, Q&A Tags emoji, python, special-characters, string, unicode Leave a comment

Turn string into operator

August 20, 2022 by Magenaut

How can I turn a string such as "+" into the operator plus?

Categories Python, Q&A Tags evaluation, python Leave a comment

Creating dataframe from a dictionary where entries have different lengths

August 20, 2022 by Magenaut

Say I have a dictionary with 10 key-value pairs. Each entry holds a numpy array. However, the length of the array is not the same for all of them.

Categories Python, Q&A Tags pandas, python Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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