argos/argos_monitoring/schemas/utils.py
Luc Didry 4880c65681
💥 — Rename argos to argos-monitoring to fit the package name (fix #53)
Uninstall argos with `pip uninstall argos-monitoring` before installing this release!
2024-07-04 09:44:07 +02:00

42 lines
1.4 KiB
Python

from typing import Literal, Union
def string_to_duration(
value: str, target: Literal["days", "hours", "minutes"]
) -> Union[int, float]:
"""Convert a string to a number of hours, days or minutes"""
num = int("".join(filter(str.isdigit, value)))
# It's not possible to convert from a smaller unit to a greater one:
# - hours and minutes cannot be converted to days
# - minutes cannot be converted to hours
if (target == "days" and ("h" in value or "m" in value.replace("mo", ""))) or (
target == "hours" and "m" in value.replace("mo", "")
):
msg = (
"Durations cannot be converted from a smaller to a greater unit. "
f"(trying to convert '{value}' to {target})"
)
raise ValueError(msg, value)
# Consider we're converting to minutes, do the eventual multiplication at the end.
if "h" in value:
num = num * 60
elif "d" in value:
num = num * 60 * 24
elif "w" in value:
num = num * 60 * 24 * 7
elif "mo" in value:
num = num * 60 * 24 * 30 # considers 30d in a month
elif "y" in value:
num = num * 60 * 24 * 365 # considers 365d in a year
elif "m" not in value:
raise ValueError("Invalid duration value", value)
if target == "hours":
return num / 60
if target == "days":
return num / 60 / 24
# target == "minutes"
return num