mirror of
https://github.com/malmeloo/FindMy.py.git
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76 lines
1.9 KiB
Python
76 lines
1.9 KiB
Python
"""Utilities to simplify reading and writing data from and to files."""
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from __future__ import annotations
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import io
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import json
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import plistlib
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from collections.abc import Mapping
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from pathlib import Path
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from typing import TypeVar, cast
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_T = TypeVar("_T", bound=Mapping)
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def save_and_return_json(data: _T, dst: str | Path | io.TextIOBase | None) -> _T:
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"""Save and return a JSON-serializable data structure."""
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if dst is None:
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return data
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if isinstance(dst, str):
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dst = Path(dst)
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if isinstance(dst, io.IOBase):
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json.dump(data, dst, indent=4)
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elif isinstance(dst, Path):
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dst.write_text(json.dumps(data, indent=4))
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return data
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def read_data_json(val: str | Path | io.TextIOBase | io.BufferedIOBase | _T) -> _T:
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"""Read JSON data from a file if a path is passed, or return the argument itself."""
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if isinstance(val, str):
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val = Path(val)
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if isinstance(val, Path):
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val = cast("_T", json.loads(val.read_text()))
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if isinstance(val, io.IOBase):
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val = cast("_T", json.load(val))
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return val
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def save_and_return_plist(data: _T, dst: str | Path | io.BufferedIOBase | None) -> _T:
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"""Save and return a Plist file."""
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if dst is None:
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return data
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if isinstance(dst, str):
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dst = Path(dst)
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if isinstance(dst, io.IOBase):
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dst.write(plistlib.dumps(data))
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elif isinstance(dst, Path):
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dst.write_bytes(plistlib.dumps(data))
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return data
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def read_data_plist(val: str | Path | io.BufferedIOBase | _T | bytes) -> _T:
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"""Read Plist data from a file if a path is passed, or return the argument itself."""
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if isinstance(val, str):
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val = Path(val)
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if isinstance(val, Path):
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val = val.read_bytes()
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if isinstance(val, bytes):
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val = cast("_T", plistlib.loads(val))
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if isinstance(val, io.IOBase):
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val = cast("_T", plistlib.loads(val.read()))
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return val
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