kiwi-simple-metrics/kiwi_simple_metrics/metrics/_report.py

114 lines
2.7 KiB
Python

from dataclasses import dataclass
from typing import Any, Callable, Iterator, Self
from ..settings import SETTINGS, MetricSettings
@dataclass(slots=True, kw_only=True)
class ReportData:
name: str
value: float
threshold: float
inverted: bool
format: str
@classmethod
def from_settings(
cls, *,
name: str,
value: float,
settings: MetricSettings,
) -> Self:
return cls(
name=name,
value=value,
threshold=settings.threshold,
inverted=settings.inverted,
format=settings.report,
)
@classmethod
def from_free_total(
cls, *,
name: str,
free: float,
total: float,
settings: MetricSettings,
) -> Self:
return cls.from_settings(
name=name,
value=(total - free) / total * 100,
settings=settings,
)
@property
def report(self) -> "Report":
return Report(
result=self.format.format(
name=self.name,
value=self.value,
),
failed=(
self.value > self.threshold and not self.inverted
or self.value < self.threshold and self.inverted
),
)
@dataclass(slots=True, kw_only=True, frozen=True)
class Report:
result: str
failed: bool = False
def __str__(self) -> str:
state = "OK" if not self.failed else "FAIL"
return SETTINGS.log.format.format(
state=state,
result=self.result,
)
@classmethod
def summary(cls, *_reports: Any) -> Self:
reports = [
report
for report in _reports
if isinstance(report, Report)
]
return cls(
result=SETTINGS.separator.join(
report.result
for report in reports
),
failed=any(
report.failed
for report in reports
),
)
@classmethod
def aggregate(
cls, *,
settings: MetricSettings,
get_data: Callable[[], Iterator[ReportData]],
) -> Self | None:
if not settings.enabled:
return None
reports = [data.report for data in get_data()]
return cls(
result=settings.report_outer.format(
name=settings.name,
inner=SETTINGS.separator.join(
report.result
for report in reports[:settings.count]
),
),
failed=any(
report.failed
for report in reports
),
)