• :file:`requirements/default.txt`

  Default requirements for Python 2.7+.

• :file:`requirements/test.txt`

  Requirements needed to run the full unittest suite via ./runtests.py

• :file:`requirements/test-ci.txt`

  Extra test requirements required by the CI suite (Tox).

• :file:`requirements/doc.txt`

  Extra requirements required to build the Sphinx documentation.

• :file:`requirements/pkgutils.txt`

  Extra requirements required to perform package distribution maintenance.

• :file:`requirements/dev.txt`

  Requirement file installing the current master branch of Celery and deps.

$ pip install -U -r requirements/default.txt

$ pip install -U -r requirements/default.txt
$ pip install -U -r requirements/test.txt