Alessandro Colace
5d10c0c48e
Some platforms (e.g. older macOS, exotic Linux distros) cannot build the curl-impersonate binary that backs curl_cffi, leaving yfinance unusable. This change keeps curl_cffi as the preferred and default backend but no longer hard-requires it at runtime. - New `yfinance/_http.py` abstracts the HTTP backend. If `curl_cffi` is importable it is used as before; otherwise yfinance falls back to plain `requests` with a realistic Chrome User-Agent and logs a warning so the downgrade is explicit. - `data.py`, `base.py`, `multi.py`, `scrapers/history.py` build sessions via `_http.new_session()`. - Scrapers and screener catch `_http.HTTPError` instead of importing `curl_cffi.requests.exceptions.HTTPError` directly. - `is_supported_session()` accepts either backend; `cookie_jar()` papers over the small API difference between curl_cffi (`cookies.jar`) and requests (`cookies` is itself the jar). - New Advanced > Installation page documents the curl_cffi-free install recipe; README links to it just under the install instruction. Empirically verified that plain `requests` with a Chrome UA does not hit the 401-after-~10-requests issue that the earlier `curl_adapter` approach ran into; 15/15 quoteSummary calls succeed without rate limiting. `setup.py` is unchanged -- `curl_cffi>=0.15` remains the default install requirement (CVE-pinned). The fallback only activates when the import fails at runtime; moving curl_cffi to extras_require can be a follow-up decision for the maintainer.
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284 B
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10 lines
284 B
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Installation
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============
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To install without ``curl_cffi`` for requests fallback:
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.. code-block:: bash
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curl -fsSL https://raw.githubusercontent.com/ranaroussi/yfinance/main/requirements.txt | grep -vi '^curl_cffi' | pip install -r /dev/stdin
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pip install --no-deps yfinance
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