[BugFix] openbb-fred: Fix 429 Error From FRED API & Implement Global Rate Limiter For Provider #7527
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This PR fixes HTTP 429 errors generated by the
openbb-fredendpoints from hitting more than two requests per second. FRED has changed the calculation for their rate limiting so that isper second, instead ofper minute. While the Fetchers fit into the 120/minute bucket, the new calculus engaged rate limits on most endpoints. The PR resolves the issue by implementing a global rate limiter and LRU cache to ensure the per-second limits are adhered to and that multiple requests for the same data do not generate new network calls.Current symptoms will be partial, incomplete, or empty data.
Before:
After:
Additional notes:
The newest version of
aiohttpbreaksvcrpy- kevin1024/vcrpy#996 - so the version has been temporarily pinned in thedevtoolsdefinition so thatdev_install.pyinstalls the right version for the CI tests.