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build(ci): harden preview perf gate startup

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This commit is contained in:
matt 2025-09-30 16:12:04 -07:00
parent 2888d97883
commit 0abae06a6e
4 changed files with 57 additions and 9 deletions
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41
code/scripts/preview_perf_benchmark.py
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@ -38,14 +38,24 @@ def _fetch_json(url: str) -> Dict[str, Any]:
def _fetch_json_with_retry(url: str, attempts: int = 3, delay: float = 0.6) -> Dict[str, Any]:
last_error: Exception | None = None
for attempt in range(1, attempts + 1):
try:
return _fetch_json(url)
except Exception: # pragma: no cover - network variability
except Exception as exc: # pragma: no cover - network variability
last_error = exc
if attempt < attempts:
print(json.dumps({ # noqa: T201
"event": "preview_perf_fetch_retry",
"url": url,
"attempt": attempt,
"max_attempts": attempts,
"error": str(exc),
}))
time.sleep(delay * attempt)
else:
raise
raise last_error # pragma: no cover - defensive; should be unreachable
def select_theme_slugs(base_url: str, count: int) -> List[str]:
@ -97,12 +107,31 @@ def fetch_all_theme_slugs(base_url: str, page_limit: int = 200) -> List[str]:
slugs: List[str] = []
offset = 0
seen: set[str] = set()
page_attempts = 5
page_delay = 1.2
while True:
try:
url = f"{base_url.rstrip('/')}/themes/api/themes?limit={page_limit}&offset={offset}"
data = _fetch_json_with_retry(url)
except Exception as e: # pragma: no cover - network variability
raise SystemExit(f"Failed fetching themes page offset={offset}: {e}")
url = f"{base_url.rstrip('/')}/themes/api/themes?limit={page_limit}&offset={offset}"
data: Dict[str, Any] | None = None
last_error: Exception | None = None
for attempt in range(1, page_attempts + 1):
try:
data = _fetch_json_with_retry(url, attempts=4, delay=0.75)
break
except Exception as exc: # pragma: no cover - network variability
last_error = exc
if attempt < page_attempts:
print(json.dumps({ # noqa: T201
"event": "preview_perf_page_retry",
"offset": offset,
"attempt": attempt,
"max_attempts": page_attempts,
"error": str(exc),
}))
time.sleep(page_delay * attempt)
else:
raise SystemExit(f"Failed fetching themes page offset={offset}: {exc}")
if data is None: # pragma: no cover - defensive
raise SystemExit(f"Failed fetching themes page offset={offset}: {last_error}")
items = data.get("items") or []
for it in items:
if not isinstance(it, dict):