Index B | C | D | E | I | K | L | M | P | R | S | V | W B Binary Distribution Build Backend Build Frontend Built Distribution Built Metadata C Core Metadata Core Metadata Field D Distribution Archive Distribution Package E Egg environment variable PATH, [1], [2] Extension Module I Import Package Installed Project K Known Good Set (KGS) L License Classifier License Directory License Expression License Identifier M Module P Package Index PATH, [1], [2] Per Project Index Project Project Root Directory Project Source Metadata Project Source Tree Pure Module pypi.org Pyproject Metadata Pyproject Metadata Key Pyproject Metadata Subkey pyproject.toml Python Enhancement Proposals PEP 241, [1] PEP 301 PEP 314, [1] PEP 345, [1], [2], [3], [4], [5] PEP 376 PEP 386, [1] PEP 396 PEP 405, [1], [2] PEP 420, [1], [2] PEP 425, [1], [2] PEP 426, [1] PEP 427, [1], [2], [3] PEP 438 PEP 440, [1], [2] PEP 441, [1] PEP 458, [1], [2], [3], [4] PEP 459 PEP 503, [1] PEP 503#normalized-names PEP 508, [1], [2], [3], [4], [5], [6], [7], [8] PEP 508#names PEP 513, [1] PEP 517, [1], [2], [3] PEP 518, [1], [2], [3], [4], [5] PEP 566, [1], [2] PEP 571 PEP 592 PEP 599 PEP 600 PEP 610, [1], [2] PEP 621, [1], [2], [3], [4] PEP 625, [1] PEP 627 PEP 629, [1] PEP 632 PEP 639, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [19] PEP 643, [1], [2] PEP 656 PEP 658, [1], [2] PEP 668 PEP 685, [1], [2], [3] PEP 691 PEP 700, [1] PEP 706 PEP 708 PEP 714, [1], [2] PEP 721 PEP 723, [1] PEP 730 PEP 735 PEP 738 PEP 740, [1], [2], [3] PEP 753, [1], [2], [3], [4] Python Package Index (PyPI) Python Packaging Authority (PyPA) R Release Requirement Requirement Specifier Requirements File RFC RFC 2119, [1] RFC 3161 RFC 3986 RFC 5280 RFC 7763 RFC 7764#section-3.2 RFC 7764#section-3.5 RFC 8089 RFC 822 RFC 822#section-3.1.1 RFC 8259, [1] Root License Directory S setup.cfg setup.py Source Archive Source Distribution (or "sdist") SPDX Expression SPDX Identifier System Package V Version Specifier Virtual Environment W Wheel Wheel Format Wheel Project Working Set