API reference (high-level)

Policies

• RetryPolicy, AsyncRetryPolicy
• .call(func, on_metric=None, on_log=None, operation=None)
• .context(on_metric=None, on_log=None, operation=None)
• .from_config(config, classifier=...)

Decorator

• retry
• Defaults: classifier=default_classifier, strategy=decorrelated_jitter(max_s=5.0)
• Works on sync and async callables

Classifiers

• default_classifier
• http_classifier, sqlstate_classifier, pyodbc_classifier (contrib)

Strategies

• decorrelated_jitter
• equal_jitter
• token_backoff

Errors

• ErrorClass enum
• Marker exceptions: PermanentError, RateLimitError, ConcurrencyError

Metrics helpers

• prometheus_metric_hook(counter)
• otel_metric_hook(meter, name="redress_attempts")