pip install pdfsearch==0.0.1

pdf - Search Tool, searches for a keyword in the filename ,the n first pages of the file or in the keyword section of the metadata.

Source
Among fairly niche packages on PyPI.
Over 199 downloads in the last 90 days.

Version usage of pdfsearch

Proportion of downloaded versions in the last 3 months (only versions over 1%).

0.0.1

100.00%