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contextmanager

Context manager for Python’s MySQLdb

November 21, 2022 by Magenaut

I am used to (spoiled by?) python’s SQLite interface to deal with SQL databases. One nice feature in python’s SQLite’s API the “context manager,” i.e., python’s with statement. I usually execute queries in the following way:

Categories MySQL, Q&A Tags contextmanager, mysql, python, with-statement Leave a comment

By using context manager, my code writes the text in descending order (second line first instead of first line) into the file

November 14, 2022 by Magenaut

I am trying to write html using class in Python. Some guidance have been given by my lecturer. When I try to use with function to write text into the HTML file, the lines below the first initiation are written into the file first. Can I know how to solve it?

Categories HTML, Q&A Tags contextmanager, file, flush, html, python Leave a comment

Create a “with” block on several context managers?

August 19, 2022 by Magenaut

With more than one item, the context managers are processed as if multiple with statements were nested:

Categories Python, Q&A Tags contextmanager, python, with-statement Leave a comment

Explaining Python’s ‘__enter__’ and ‘__exit__’

August 18, 2022 by Magenaut

I saw this in someone’s code. What does it mean?

Categories Python, Q&A Tags contextmanager, oop, python, with-statement Leave a comment

Understanding the Python with statement and context managers

August 15, 2022 by Magenaut

I am trying to understand the with statement. I understand that it is supposed to replace the try/except block.

Categories Python, Q&A Tags contextmanager, python, with-statement Leave a comment

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