About this page

PEP 649 – Deferred Evaluation Of Annotations Using Descriptors | peps.python.org

https://peps.python.org/pep-0649

“Annotations are a Python technology that allows expressing type information and other metadata about Python functions, classes, and modules. But Python’s original semantics for annotations required them to be eagerly evaluated, at the time the annotate...” (the page’s own description)

Topic: Software Development
Quality: Quality 86 scored 12 Aug 2025
Language: english
Text on page: 56,883 characters
Page size: 124 kB
Answered: OK (200), HTML
Last read: 7 Jul 2025
In our index since: 6 Jul 2025
Safe search: Not checked yet
Links to it: Linked from 2 sites

More from peps.python.org

This site's best pages we know: ranked by how many other sites link to them.

PEP 738 – Adding Android as a supported platform | peps.python.org linked from 4 sites About ›
PEP 594 – Removing dead batteries from the standard library | peps.python.org linked from 3 sites About ›
PEP 600 – Future ‘manylinux’ Platform Tags for Portable Linux Built Distributions |... linked from 3 sites About ›
PEP 730 – Adding iOS as a supported platform | peps.python.org linked from 3 sites About ›
PEP 3333 – Python Web Server Gateway Interface v1.0.1 | peps.python.org linked from 3 sites About ›
PEP 750 – Template Strings | peps.python.org linked from 3 sites About ›
PEP 1 – PEP Purpose and Guidelines | peps.python.org linked from 2 sites About ›
PEP 695 – Type Parameter Syntax | peps.python.org linked from 2 sites About ›

All pages from this site ›

Tools for this page

Other sites that can tell you more. Plain links: we don't track where you go.

Archive

Cached copy Internet Archive: every snapshot
archive.today second archive

About the site

Domain owner ICANN registration lookup
Certificates certificate transparency, subdomains
Safety check Safe Browsing status
Trackers The Markup's Blacklight
Is it down? for everyone, or just you

Discussions

Hacker News stories linking here
Reddit posts from this site
Wikipedia articles mentioning the site

For web makers

PageSpeed Lighthouse report
HTML validator W3C
Accessibility WAVE by WebAIM
Security headers

Who links to it

We haven't seen any links to this page yet. That usually means we haven't crawled the pages that link to it, not that there are none.

“Not rated yet” and similar notes are shown on purpose: we say what we haven't measured, so the page doesn't look emptier or better than it is.