57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
"""Kleine Hilfsfunktionen ohne Fachlogik."""
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from __future__ import annotations
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import re
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import time
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from pathlib import Path
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from typing import Any
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import yaml
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_DURATION = re.compile(r"^\s*(\d+(?:\.\d+)?)\s*([smhd]?)\s*$")
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_FACTORS = {"": 1, "s": 1, "m": 60, "h": 3600, "d": 86400}
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_PLACEHOLDER = re.compile(r"\{([a-zA-Z0-9_]+)\}")
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def now() -> float:
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return time.time()
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def load_yaml(path: str | Path) -> Any:
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with open(path, encoding="utf-8") as fh:
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return yaml.safe_load(fh) or {}
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def parse_duration(value: str | int | float | None) -> float:
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"""'5m' -> 300.0; Zahlen gelten als Sekunden."""
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if value is None:
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return 0.0
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if isinstance(value, int | float):
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return float(value)
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match = _DURATION.match(value)
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if not match:
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raise ValueError(f"Ungültige Dauer: {value!r}")
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return float(match.group(1)) * _FACTORS[match.group(2)]
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class MissingLabel(KeyError):
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pass
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def fill_template(value: Any, labels: dict[str, str]) -> Any:
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"""Ersetzt {label} rekursiv; fehlende Labels lösen MissingLabel aus."""
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if isinstance(value, str):
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def repl(m: re.Match[str]) -> str:
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key = m.group(1)
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if key not in labels:
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raise MissingLabel(key)
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return str(labels[key])
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return _PLACEHOLDER.sub(repl, value)
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if isinstance(value, dict):
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return {k: fill_template(v, labels) for k, v in value.items()}
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if isinstance(value, list):
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return [fill_template(v, labels) for v in value]
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return value
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