fix: UTF-8 config encoding, pairing hint, credential_pool key, header normalization (#7174)

Four small fixes: (1) UTF-8 encoding for config open (@zhangchn #7063), (2) pairing hint placeholders (@konsisumer #7057), (3) missing credential_pool in cheap route (@kuishou68 #7025), (4) case-insensitive rate limit headers (@kuishou68 #7019).
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Teknium 2026-04-10 05:33:48 -07:00 committed by GitHub
parent f3ae1d765d
commit 6d2fa03837
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4 changed files with 11 additions and 6 deletions

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@ -97,8 +97,12 @@ def parse_rate_limit_headers(
Returns None if no rate limit headers are present.
"""
# Normalize to lowercase so lookups work regardless of how the server
# capitalises headers (HTTP header names are case-insensitive per RFC 7230).
lowered = {k.lower(): v for k, v in headers.items()}
# Quick check: at least one rate limit header must exist
has_any = any(k.lower().startswith("x-ratelimit-") for k in headers)
has_any = any(k.startswith("x-ratelimit-") for k in lowered)
if not has_any:
return None
@ -109,9 +113,9 @@ def parse_rate_limit_headers(
# resource="tokens", suffix="-1h" -> per-hour
tag = f"{resource}{suffix}"
return RateLimitBucket(
limit=_safe_int(headers.get(f"x-ratelimit-limit-{tag}")),
remaining=_safe_int(headers.get(f"x-ratelimit-remaining-{tag}")),
reset_seconds=_safe_float(headers.get(f"x-ratelimit-reset-{tag}")),
limit=_safe_int(lowered.get(f"x-ratelimit-limit-{tag}")),
remaining=_safe_int(lowered.get(f"x-ratelimit-remaining-{tag}")),
reset_seconds=_safe_float(lowered.get(f"x-ratelimit-reset-{tag}")),
captured_at=now,
)