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Contributing to HTTPie

Bug reports and code and documentation patches are welcome. You can help this project also by using the development version of HTTPie and by reporting any bugs you might encounter.

1. Reporting bugs

It's important that you provide the full command argument list as well as the output of the failing command. Use the --debug flag and copy&paste both the command and its output to your bug report, e.g.:

$ http --debug <COMPLETE ARGUMENT LIST THAT TRIGGERS THE ERROR>

<COMPLETE OUTPUT>

2. Contributing Code and Docs

Before working on a new feature or a bug, please browse existing issues to see whether it has previously been discussed.

If your change alters HTTPie’s behaviour or interface, it's a good idea to discuss it before you start working on it.

If you are fixing an issue, the first step should be to create a test case that reproduces the incorrect behaviour. That will also help you to build an understanding of the issue at hand.

Pull requests introducing code changes without tests will generally not get merged. The same goes for PRs changing HTTPie’s behaviour and not providing documentation.

Conversely, PRs consisting of documentation improvements or tests for existing-yet-previously-untested behavior will very likely be merged. Therefore, docs and tests improvements are a great candidate for your first contribution.

Consider also adding a CHANGELOG entry for your changes.

Development Environment

Getting the code

Go to https://github.com/jakubroztocil/httpie and fork the project repository.

# Clone your fork
git clone [email protected]:<YOU>/httpie.git

# Enter the project directory
cd httpie

# Create a branch for your changes
git checkout -b my_topical_branch

Setup

The Makefile contains a bunch of tasks to get you started. Just run the following command, which:

  • Creates an isolated Python virtual environment inside ./venv (via the standard library venv tool);
  • installs all dependencies and also installs HTTPie (in editable mode so that the http command will point to your working copy).
  • and runs tests (It is the same as running make install test).
make

Python virtual environment

Activate the Python virtual environment—created via the make install task during setup—for your active shell session using the following command:

source venv/bin/activate

(If you use virtualenvwrapper, you can also use workon httpie to activate the environment — we have created a symlink for you. It’s a bit of a hack but it works™.)

You should now see (httpie) next to your shell prompt, and the http command should point to your development copy:

(httpie) ~/Code/httpie $ which http
/Users/jakub/Code/httpie/venv/bin/http
(httpie) ~/Code/httpie $ http --version
2.0.0-dev

(Btw, you don’t need to activate the virtual environment if you just want run some of the make tasks. You can also invoke the development version of HTTPie directly with ./venv/bin/http without having to activate the environment first. The same goes for ./venv/bin/py.test, etc.).

Making Changes

Please make sure your changes conform to Style Guide for Python Code (PEP8) and that make pycodestyle passes.

Testing & CI

Please add tests for any new features and bug fixes.

When you open a pull request, GitHub Actions will automatically run HTTPie’s test suite against your code so please make sure all checks pass.

Running tests locally

HTTPie uses the pytest runner.

# Run tests on the current Python interpreter with coverage.
make test

# Run tests with coverage
make test-cover

# Test PEP8 compliance
make pycodestyle

# Run extended tests — for code as well as .rst files syntax, packaging, etc.
make test-all

Running specific tests

After you have activated your virtual environment (see setup), you can run specific tests from the terminal:

# Run specific tests on the current Python
py.test tests/test_uploads.py
py.test tests/test_uploads.py::TestMultipartFormDataFileUpload
py.test tests/test_uploads.py::TestMultipartFormDataFileUpload::test_upload_ok

See Makefile for additional development utilities.

Windows

If you are on a Windows machine and not able to run make, follow the next steps for a basic setup. As a prerequisite, you need to have Python 3.6+ installed.

Create a virtual environment and activate it:

python -m venv --prompt httpie venv
venv\Scripts\activate

Install HTTPie in editable mode with all the dependencies:

pip install --upgrade -e . -r requirements-dev.txt

You should now see (httpie) next to your shell prompt, and the http command should point to your development copy:

# In PowerShell:
(httpie) PS C:\Users\ovezovs\httpie> Get-Command http
CommandType     Name                                               Version    Source
-----------     ----                                               -------    ------
Application     http.exe                                           0.0.0.0    C:\Users\ovezovs\httpie\venv\Scripts\http.exe
# In CMD:
(httpie) C:\Users\ovezovs\httpie> where http
C:\Users\ovezovs\httpie\venv\Scripts\http.exe
C:\Users\ovezovs\AppData\Local\Programs\Python\Python38-32\Scripts\http.exe

(httpie) C:\Users\ovezovs\httpie> http --version
2.3.0-dev

Use pytest to run tests locally with an active virtual environment:

# Run all tests
py.test

Finally, feel free to add yourself to AUTHORS!