Diagnostics - Seeing Inside Your Application Without Logging
summary
Claims a lightweight, on‑demand diagnostics layer embedded in a Python app that replies with human‑readable text over a simple UDP protocol; a 40‑line client sends a page number (table of contents typically at 255) and the app returns plain text. Implementation notes include a UDP page‑number API, a circular buffer logger to retain 100 lines of context, a decorator to capture crashes, use of the blessed package for terminal color, and references to pdb and Twisted manhole for deeper inspection.
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chapters (7)
- 0:00Application diagnostics intro
- 1:05Reliability and repairability
- 6:57Good diagnostic tools
- 13:55Diagnostics in IoT systems
- 16:24Embedding diagnostics in Python
- 27:02Quick fixes and reboots
- 28:08Q&A
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