/* Code Comments */24 posts tagged with "python"
serializing non serializable objects in python
2022-11-28
|~3 min read
|460 words
A problem I’ve run into a number of times when working with Python is when I have a object that I want to include in an API call. The first…
converting timestamps to utc in python
2022-11-28
|~8 min read
|1402 words
Recently, I was working on a project where the API I was using would sometimes decide to include an offset for the timestamp and other times…
asserting errors in pytest
2022-11-28
|~6 min read
|1053 words
Imagine a function that, under certain conditions expects to throw an error. How might we test that with Pytest? Pytest offers two…
pytest marker basics
2022-11-28
|~10 min read
|1825 words
Within Python’s testing framework , markers can decorate a test method (i.e. a method which has a name beginning and inside a file prefixed…
python virtual environments - absolute basics
2022-11-28
|~3 min read
|518 words
Python’s virtual environments are a way to avoid conflicting dependencies. For example - imagine you have two Python projects that both use…
passing arguments into exceptions in python
2022-11-28
|~1 min read
|146 words
Previously, I wrote about raising custom exceptions, but it was a hamstrung approach. It didn’t actually enable any information to be passed…
running scripts with poetry
2022-11-28
|~2 min read
|365 words
I’ve been exploring Poetry as an alternative to pip and pipenv recently. As pleasant as it has been, I knew I wasn’t taking advantage of all…
using non-default and multiple aws profiles with boto3
2022-11-28
|~2 min read
|249 words
I was recently working on a Python script that needed to access AWS resources. Fortunately, that’s exactly what the library boto3 is for…
raising (custom) exceptions in python
2022-11-28
|~2 min read
|281 words
If a Python program receives values it cannot handle, it can abort by raising an exception. Most of errors in Python are built on the…
a looping cheatsheet for python
2022-11-28
|~2 min read
|309 words
The following post is inspired by Trey Hunner’s great post on looping with indexes in Python. What’s below: Standard loop through an…
list comprehension and chunking in python
2022-11-28
|~2 min read
|225 words
Previously, I wrote about basic use cases of list comprehension in Python. Today’s example is slightly different and has to do with chunking…
logging in python: an introduction
2022-11-28
|~5 min read
|872 words
Logging in Python is quite easy (once you know the basics). Unlike Javascript, where you’ll need to build your own logger, or use a third…
packing and unpacking tuples in python
2022-11-28
|~3 min read
|447 words
Unlike a list or a dictionary, in Python, tuples are immutable.1 This is clear when investigating the methods available on the object…
exploring python methods with help and dir
2022-11-28
|~3 min read
|469 words
Over the past few days I’ve been exploring different data structures and built-in methods with Python. I looked at strings, lists basics…
pretty print json with python
2022-11-28
|~1 min read
|186 words
I like pretty things. Particularly when they hold the answer to my questions! As a result, when working with objects (aka Dictionaries in…
list comprehension in python (with comparisons in javascript)
2022-11-28
|~5 min read
|994 words
Python has a very concise syntax for creating new lists called List Comprehension. List comprehension is a way to define a new list based on…
list basics in python
2022-11-28
|~3 min read
|601 words
Lists in Python are similar to arrays, though there are some idiosyncrasies to how the methods work in Python (at least relative to…
basic flow control in python
2022-11-28
|~2 min read
|371 words
Continuing my basics education of Python, here are some examples of flow control. I’ll explore the following: If, else if, and else…
removing null values from a dictionary
2022-11-28
|~2 min read
|304 words
I recently was converting a Python dictionary to a JSON object to include in the body of a POST request. Unfortunately, this triggered a…
formatting strings in python
2022-11-28
|~1 min read
|198 words
There are a number of different ways to write / format strings in Python. Template Strings This GeeksforGeeks article is a helpful…
truthy and falsey: python edition
2022-11-28
|~1 min read
|159 words
Just like Javascript, in Python, not everything’s black and white. Here too there are truthy things and falsey values. Also, like Javascript…
getting up and running with python on macos
2022-11-28
|~5 min read
|968 words
It looks like I’ll be doing some more python development in the near future, so time to brush up! First things first though: getting a…
determining a process run time with python
2022-11-28
|~2 min read
|240 words
I was recently trying to find the parts of my python application that were lagging in performance and so I went in search of a way to…
pyenv - a python equivalent to nvm and rbenv
2022-11-28
|~2 min read
|326 words
I recently had to run an application built with Python 3.6. Unfortunately, when I looked at the installed version of python on my OS, it was…