62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# Copyright (c) Kuba Szczodrzyński 2022-06-02.
|
|
|
|
import json
|
|
from typing import Tuple, Union
|
|
|
|
SliceLike = Union[slice, str, int]
|
|
|
|
|
|
def merge_dicts(d1, d2, path=None):
|
|
if path is None:
|
|
path = []
|
|
for key in d2:
|
|
if key in d1 and isinstance(d1[key], dict) and isinstance(d2[key], dict):
|
|
merge_dicts(d1[key], d2[key], path + [str(key)])
|
|
else:
|
|
d1[key] = d2[key]
|
|
return d1
|
|
|
|
|
|
def load_json(file: str) -> Union[dict, list]:
|
|
with open(file, "r", encoding="utf-8") as f:
|
|
return json.load(f)
|
|
|
|
|
|
def get(data: dict, path: str):
|
|
if not isinstance(data, dict) or not path:
|
|
return None
|
|
if "." not in path:
|
|
return data.get(path, None)
|
|
key, _, path = path.partition(".")
|
|
return get(data.get(key, None), path)
|
|
|
|
|
|
def slice2int(val: SliceLike) -> Tuple[int, int]:
|
|
"""Convert a slice-like value (slice, string '7:0' or '3', int '3')
|
|
to a tuple of (start, stop)."""
|
|
if isinstance(val, int):
|
|
return (val, val)
|
|
if isinstance(val, slice):
|
|
if val.step:
|
|
raise ValueError("value must be a slice without step")
|
|
if val.start < val.stop:
|
|
raise ValueError("start must not be less than stop")
|
|
return (val.start, val.stop)
|
|
if isinstance(val, str):
|
|
if ":" in val:
|
|
val = val.split(":")
|
|
if len(val) == 2:
|
|
return tuple(map(int, val))
|
|
elif val.isnumeric():
|
|
return (int(val), int(val))
|
|
raise ValueError(f"invalid slice format: {val}")
|
|
|
|
|
|
# https://stackoverflow.com/a/1094933/9438331
|
|
def sizeof(num: int, suffix="iB", base=1024.0) -> str:
|
|
for unit in ["", "K", "M", "G", "T", "P", "E", "Z"]:
|
|
if abs(num) < base:
|
|
return f"{num:.1f} {unit}{suffix}".replace(".0 ", " ")
|
|
num /= base
|
|
return f"{num:.1f} Y{suffix}".replace(".0 ", " ")
|