kiwi-simple-metrics/kiwi_simple_metrics/metrics/_report.py
Jörn-Michael Miehe 8b532829a5 improved aggregation by refactoring metrics._report
ReportData mutable, Report immutable
class Report has builtin `aggregate`
2023-08-31 15:23:00 +00:00

59 lines
1.4 KiB
Python

from dataclasses import dataclass, field
from typing import Self
from ..settings import MetricSettings
@dataclass(slots=True, kw_only=True)
class ReportData:
name: str
value: float
@classmethod
def from_free_total(cls, *, name: str, free: float, total: float) -> Self:
return cls(
name=name,
value=(total - free) / total * 100,
)
def report(self, settings: MetricSettings) -> "Report":
result = settings.report.format(
name=self.name,
value=self.value,
)
return Report(result, failed=(
self.value > settings.threshold and not settings.inverted
or self.value < settings.threshold and settings.inverted
))
@dataclass(slots=True, frozen=True)
class Report:
result: str
failed: bool = field(default=False, kw_only=True)
@classmethod
def aggregate(
cls, *,
settings: MetricSettings,
data: list[ReportData],
) -> Self:
reports = [
data.report(settings)
for data in data
]
return cls(
settings.report_outer.format(
name=settings.name,
inner=", ".join(
report.result
for report in reports[:settings.count]
),
),
failed=any(
report.failed
for report in reports
),
)