How to Ignore Python .PYC Files in Git
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Use a
.gitignoreFile to Ignore Python.pycFiles in Git -
Remove Existing
.pycFiles to Ignore Python.pycFiles in Git -
Use a Global
.gitignoreFile to Ignore Python.pycFiles in Git -
Use Git Attributes to Ignore Python
.pycFiles in Git -
Use Git Hooks to Ignore Python
.pycFiles in Git - Conclusion
When working with Python projects, you may have encountered the presence of .pyc files. These files are compiled Python files and are often generated automatically. Including them in your Git repository can lead to clutter and potential versioning issues.
In this guide, we will explore different methods to ignore .pyc files in Git effectively.
Use a .gitignore File to Ignore Python .pyc Files in Git
Typically, in a development environment, many temporary and intermediate files are created as part of the development process.
Python interpreter creates .pyc files when a .py file is imported. The .pyc files contain the compiled bytecode of the imported programs so that the translation from source code to bytecode can be skipped on subsequent imports.
These .pyc files don’t need to be tracked in the Git repository. We can ignore and avoid tracking the .pyc files in the Git repository.
The most common way to ignore files in Git is by using a .gitignore file. This file specifies patterns for files and directories that Git should ignore.
To ignore .pyc files, you simply add a pattern for them.
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Create or Edit the
.gitignoreFileIf you don’t have a
.gitignorefile in your project, create one in the root directory. If it already exists, open it for editing.touch .gitignore -
Add Patterns for
.pycFilesOpen the
.gitignorefile and add the following line to ignore.pycfiles:*.pycWhen the Git tool encounters the above line in the
.gitignorefile, it skips the files with the.pycextension and ignores those from being included in the Git repository. Thus, the Git tool will avoid tracking the.pycfiles in the Git repository. -
Commit and Push Changes
Finally, commit the
.gitignorefile and push it to your repository.git add .gitignore git commit -m "Added .gitignore to ignore .pyc files" git push origin master
Remove Existing .pyc Files to Ignore Python .pyc Files in Git
Typically, the .gitignore file is kept in the root directory of the Git repository. In some cases, we might have added the *.pyc line in the .gitignore file after already adding the .pyc files in the Git repository.
If .pyc files have already been committed to your repository, you can remove them using Git. We need to use the Git command git rm with the --cached option.
git rm --cached '*.pyc'
git commit -m "Removed .pyc files"
The --cached option given to the Git command git rm will unstage and remove the paths of the .pyc files from the index. Working tree files are not removed.
To untrack all the .pyc files from the project directory in the Git repository, we need to execute the command below.
find . -name '*.pyc' | xargs -n 1 git rm --cached
Executing the above command in the project’s root directory that is tracked in the Git repository will cause the removal of all .pyc files from tracking.
Use a Global .gitignore File to Ignore Python .pyc Files in Git
Git allows you to set global configurations that apply to all your repositories. You can configure Git to ignore .pyc files globally.
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Create/Edit Global
.gitignoreCreate or edit the global
.gitignorefile. This file is typically located in your home directory.touch ~/.gitignore_global -
Add Patterns for
.pycFilesOpen the global
.gitignorefile and add the pattern for the.pycfiles:*.pyc -
Configure Git to Use Global
.gitignoreTell Git to use this global
.gitignorefile.git config --global core.excludesfile ~/.gitignore_globalThis command sets a global configuration for Git. It tells Git to use the
.gitignore_globalfile to exclude files and directories.
Use Git Attributes to Ignore Python .pyc Files in Git
Git attributes are configuration settings that can be set at various levels (repository, user, system) and can affect how Git interacts with files. They are defined in a file named .gitattributes.
Git attributes allow you to customize how Git handles certain files. You can use attributes to specify patterns for files that should be ignored.
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Create or Edit the
.gitattributesFileIf you don’t already have a
.gitattributesfile in your project, create one in the root directory of your repository.touch .gitattributes -
Define a Pattern to Ignore
.pycFilesThis code specifies that files matching the pattern
*.pycshould be treated as generated files by Git. This can help Git identify and ignore them.*.pyc linguist-generated=true -
Commit and Push Changes
After saving the
.gitattributesfile, add it to your repository, then commit and push the changes.git add .gitattributes git commit -m "Added .gitattributes to ignore .pyc files" git push origin master
Use Git Hooks to Ignore Python .pyc Files in Git
Git hooks allow you to run custom scripts before or after certain Git events. You can use a pre-commit hook to automatically remove .pyc files before each commit.
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Create a Pre-commit Hook
Create a file named
pre-commitin the.git/hooksdirectory of your repository.touch .git/hooks/pre-commit -
Add Script to Remove
.pycFilesEdit the
pre-commitfile and add the following code to remove.pycfiles before each commit:#!/bin/bash find . -type f -name "*.pyc" -delete -
Make the Hook Executable
Make the
pre-commithook executable.chmod +x .git/hooks/pre-commitNow, every time you commit, this script will run and remove any
.pycfiles.
Conclusion
Effectively managing .pyc files in your Python projects is crucial for maintaining a clean version control system. Good thing there are a bunch of methods available to do this; here are the ones discussed in this article:
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.gitignoreFile: Use it for project-specific exclusions. Add*.pycto ignore compiled Python files. -
Global
.gitignore: Apply exclusions across all repositories by setting up a global.gitignorefile. -
Git Attributes: Fine-tune how Git interacts with files. Add
*.pyc linguist-generated=trueto the.gitattributesfile. -
Git Hooks: Use pre-commit hooks to automatically remove
.pycfiles before each commit.
Choose the method that best fits your workflow and project needs. With these strategies, you’ll maintain a more organized and efficient repository.