Python Code Tips

How to upgrade PIP

python -m pip install --upgrade pip

Upgrade an individual package

pip install <package name> --upgrade

Install packages from a requirements file

pip install -r requirements.txt

The requirements file is a line delimited with the package name and optional parameter for the version

Example: Get the latest package version
pandas
scikit-learn
scipy

Example: Get a specific version
pandas==0.22.0
scikit-learn==0.19.1
scipy==1.1.0

Traverse a directory structure

import os
for dir_name, sub_dir_list, file_list in os.walk(input_folder_path, topdown=False):
for file_name in file_list:
print(file_name)