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Python requests Pitfalls: Missing Timeouts, Sessions, raise_for_status and JSON Errors

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Self-Hosting & Infra beginner 5 min read $0.01 Updated 2026-10-20

Practical requests usage: connect versus read timeouts, Session reuse, raise_for_status, catching RequestException, checking content type before json(), and the exception types that connection errors, bad URLs and TLS problems raise.

requests has no default timeout, does not raise on 404 or 500, and .json() can fail on an HTML error page. Set timeouts, reuse a Session, call raise_for_status and parse responses defensively.

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