claude
fbec36cb67
Scaffold the course repo and author the full curriculum in dependency-chain order, following the settled build decisions in handoff.md. - Scaffold: course README, vendor-neutral AGENTS.md (dogfoods Module 5), _TEMPLATE.md (the fixed 9-section module shape), root .gitignore, ship config. - Modules 1-2: reference exemplars (locked for tone/depth/lab style). - Modules 3-27: full lessons + runnable labs, each following the template, respecting the chain, vendor/model-agnostic, with "feel the pain" labs. - Module 8 hosting comparison web-researched and date-stamped (as of 2026-06-22), not written from memory; expansion-zone modules carry Verify-before-publish. - Capstone: the full loop end to end on the running tasks-app example. Lab code syntax-checked (Python/shell/YAML); every module has the 7 core template sections. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TfzV5QvtPDz8LJS3Pu5VLT
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
"""A 'sync' command for the tasks-app — the BEFORE picture for Module 17.
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This is exactly the kind of file an AI hands you when you ask it to "add a command that syncs
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tasks to our backend." It works. It also has two AI-classic mistakes baked in:
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1. The API key is hardcoded right here in the source (see API_KEY below).
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2. The backend URL is hardcoded too, so there is no way to point dev at a dev server and
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prod at the prod one without editing code.
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Your job in the lab is to refactor BOTH out of the source and into the environment. Don't read
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ahead and fix it yet — first run it as-is so you can see the smell.
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Run it:
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python sync.py
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It does not actually hit the network (so the lab works offline, on any OS); it simulates the
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request and prints what it *would* send.
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"""
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import json
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from pathlib import Path
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# --- The anti-pattern. This is what we are here to remove. ---------------------------------
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API_KEY = "sk-live-9f8a7b6c5d4e3f2a1b0c9d8e7f6a5b4c" # <-- a real-looking secret, in source
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BACKEND_URL = "https://api.example-tasks.com/v1" # <-- environment baked into code
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# -------------------------------------------------------------------------------------------
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STATE = Path(__file__).parent / "tasks.json"
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def load_task_count() -> int:
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"""Count tasks from the tasks-app state file, if it exists."""
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if not STATE.exists():
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return 0
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return len(json.loads(STATE.read_text()))
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def sync() -> int:
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count = load_task_count()
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# In a real client this would be an authenticated HTTP request. We just show what it'd send.
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print(f"POST {BACKEND_URL}/tasks/sync")
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print(f"Authorization: Bearer {API_KEY}")
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print(f"Body: {{\"task_count\": {count}}}")
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print("(simulated) sync OK")
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return 0
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if __name__ == "__main__":
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raise SystemExit(sync())
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