| 8 | Style Guide for Python Code | Code for the standard libraries must adhere to PEP 8. |
| 249 | Python Database API Specification v2.0 | My notes about PEP 249 are here. |
| 263 | Defining Python Source Code Encodings | See also PEP 3120 and this. |
| 343 | The with statement | Due to overlap, PEPs 310 and 319 were rejected, PEPs 340 and 346 were withdrawn. |
| 376 | Database of Installed Python Distributions | A historical document, the up-to-date, canonical spec is the Core metadata specification. |
| 380 | Syntax for Delegating to a Subgenerator | |
| 397 | Python launcher for Windows | See also C:\Windows\py.exe |
| 427 | The Wheel Binary Package Format 1.0 | Description of a built-package format for Python called wheel. |
| 503 | Simple Repository API | Simple refers to the fact that PyPI's base URL is https://pypi.org/simple/. |
| 405 | Virtual Environments | See also PEP 486 (Make the Python Launcher aware of virtual environments) |
| 427 | The Wheel Binary Package Format 1.0 | A historical document, the up-to-date, canonical spec is maintained on the PyPA specs page. |
| 465 | A dedicated infix operator for matrix multiplication | This pep proposes the at symbol (@) as binary operater (to be typically used for matrix multiplications) and the corresponding methods __matmul__, __rmatmul__ and __imatmul__. Compare with (the rejected) PEP 211 (Adding A New Outer Product Operator) and (also rejected) PEP 225 (Elementwise/Objectwise Operators) |
| 482 | Literature Overview for Type Hints | |
| 484 | Type hints | Introduction of type hints (aka type annotations), see also PEP 3107 (Function Annotations) |
| 492 | Coroutines with async and await syntax | See also the asyncio standard library, async def, and PEPs 342 and 3156. |
| 498 | Literal String Interpolation | F-Strings |
| 517 | A build-system independent format for source trees | See also the command line options --use-pep517 and --check-build-dependencies of pip install, these notes and Packaging/deployment of modules. |
| 518 | Specifying Minimum Build System Requirements for Python Projects | See also the command line option --no-build-isolation of pip install and Packaging/deployment of modules. |
| 572 | Assignment Expressions | Introduction of the walrus operator. |
| 584 | Add Union Operators To dict | Add the merge (|) and update (|=) operators to the built-in dict (and other) classes. |
| 594 | Removing dead batteries from the standard library | |
| 602 | Annual Release Cycle for Python | Each year, a major Python version (3.x) is released in October (see also this example release calendar). |
| 622, 634, 635, 636 | Structural Pattern Matching: Specification, Motivation and Rationale, Tutorial | See the notes on Structurual Pattern Matching. |
| 668 | Marking Python base environments as “externally managed” | See also these notes |
| 686 | Make UTF-8 mode default | UTF-8 will be the default encoding for files, stdio and pipes starting with Python 3.15. Compare with PEP 263 |
| 3107 | Function annotations | Support for arbitrary annotations to function definitions (without meaning to the interpreter) |
| 3120 | Using UTF-8 as the default source encoding | See also PEP 263 |
| 3156 | Asynchronous IO Support Rebooted: the “asyncio” Module | Implementation of Guido von Rossum's vision for asynchronous I/O, implemented as asyncio module in Python 3.3. Compare with PEP 492 |
| 3333 | Python Web Server Gateway Interface v1.0.1 (WSGI) | Notably, Tornado is not based on WSGI. PEP 3333 supersedes 333. See also web app frameworks. My notes about PEP 3333 are here. |
