ExtensionClass
Metaclass for subclassable extension types
v6.2
AI Health Summary — Claude-generated analysis of download trends, maintenance, and risk signals.
Upgrade to PRONo known vulnerabilities in the latest version
Based on latest version 6.2. If you're running an older version, check OSV for your specific version.
Exclude CI/CDPRO
Best Day
12.1K
Apr 7
Worst Day
2.2K
Apr 4
Peaks On
Weds
8.0K avg
Quietest
Sats
2.7K avg
Download Trend
By Version
Version Downloads
By Python Version
Version Downloads
Badge
Markdown
[](/packages/ExtensionClass)
HTML
<a href="/packages/ExtensionClass"><img src="/api/badges/ExtensionClass?period=month" alt="PyPI Stats"></a>