Problem: `codeforces.py` used `curl_cffi` to bypass Cloudflare when fetching contest problem HTML, making it unavailable in the nix python env and requiring an extra dependency. Solution: rewrite `_fetch_problems_html` to use scrapling `StealthySession` with `solve_cloudflare=True`, matching the existing CF submit pattern. Extend `needs_browser` in `scraper.lua` to route CF `metadata` and `tests` through the FHS env on NixOS. Remove `curl-cffi` from `pyproject.toml`, `flake.nix`, and test mocks. |
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| .. | ||
| fixtures | ||
| conftest.py | ||
| test_scrapers.py | ||