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Pipfile May 2026

| Specifier | Meaning | |-----------|---------| | "*" | Any version | | "==1.2.3" | Exact version | | ">=2.0" | Minimum version | | "~=4.2" | Compatible release (same major & minor) | | "!=3.0" | Exclude a version |

pipenv install pytest --dev
  • Poetry / pyproject.toml
  • pyproject.toml (PEP 621)
  • Pip-tools (pip-compile)

    • (If comparing 3+ options in a table is needed, I can produce a comparison table.)

    Pipfile is a TOML-formatted file introduced by the Python Packaging Authority (via the pipenv project) to replace the traditional requirements.txt for application dependency declaration. It aims to be more human-friendly and to separate application/runtime dependencies from development-only tooling.

    pipenv remove requests

    This removes the entry from the Pipfile and uninstalls the package from your environment. Crucially, it triggers a re-generation of the lock file.

    | Specifier | Meaning | |-----------|---------| | "*" | Any version | | "==1.2.3" | Exact version | | ">=2.0" | Minimum version | | "~=4.2" | Compatible release (same major & minor) | | "!=3.0" | Exclude a version |

    pipenv install pytest --dev
  • Poetry / pyproject.toml
  • pyproject.toml (PEP 621)
  • Pip-tools (pip-compile)

    • (If comparing 3+ options in a table is needed, I can produce a comparison table.)

    Pipfile is a TOML-formatted file introduced by the Python Packaging Authority (via the pipenv project) to replace the traditional requirements.txt for application dependency declaration. It aims to be more human-friendly and to separate application/runtime dependencies from development-only tooling.

    pipenv remove requests

    This removes the entry from the Pipfile and uninstalls the package from your environment. Crucially, it triggers a re-generation of the lock file.