Project documentation

Engineering Glossary

Glossary index with an alphabetical rail and short term entries.

Plain-English definitions of common crawler, Python, infrastructure, cloud, and design-pattern terms used across our engineering documentation. more

Time Management and Productivity

Working day split into focus, review and escalation timeboxes.

Guidelines for productive engineering work, escalation, learning, documentation, and team communication. more

Developer Onboarding

Terminal with setup commands next to a first-day onboarding checklist.

Workstation setup and local development instructions for contributors to the crawler project. more

Observer Pattern with Scrapy

Scrapy Observer flow from spider to stats, alerts, export and a queue.

Use Scrapy signals as an Observer pattern, with working examples and a rule for when pipelines or durable messaging fit better. more