mirror of
https://github.com/arsenetar/dupeguru.git
synced 2024-11-18 13:09:02 +00:00
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# Created By: Virgil Dupras
|
|
# Created On: 2006/02/21
|
|
# Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
|
|
|
|
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
|
|
# which should be included with this package. The terms are also available at
|
|
# http://www.gnu.org/licenses/gpl-3.0.html
|
|
|
|
import logging
|
|
from functools import wraps
|
|
from inspect import signature
|
|
from pathlib import Path
|
|
|
|
|
|
def pathify(f):
|
|
"""Ensure that every annotated :class:`Path` arguments are actually paths.
|
|
|
|
When a function is decorated with ``@pathify``, every argument with annotated as Path will be
|
|
converted to a Path if it wasn't already. Example::
|
|
|
|
@pathify
|
|
def foo(path: Path, otherarg):
|
|
return path.listdir()
|
|
|
|
Calling ``foo('/bar', 0)`` will convert ``'/bar'`` to ``Path('/bar')``.
|
|
"""
|
|
sig = signature(f)
|
|
pindexes = {i for i, p in enumerate(sig.parameters.values()) if p.annotation is Path}
|
|
pkeys = {k: v for k, v in sig.parameters.items() if v.annotation is Path}
|
|
|
|
def path_or_none(p):
|
|
return None if p is None else Path(p)
|
|
|
|
@wraps(f)
|
|
def wrapped(*args, **kwargs):
|
|
args = tuple((path_or_none(a) if i in pindexes else a) for i, a in enumerate(args))
|
|
kwargs = {k: (path_or_none(v) if k in pkeys else v) for k, v in kwargs.items()}
|
|
return f(*args, **kwargs)
|
|
|
|
return wrapped
|
|
|
|
|
|
def log_io_error(func):
|
|
"""Catches OSError, IOError and WindowsError and log them"""
|
|
|
|
@wraps(func)
|
|
def wrapper(path, *args, **kwargs):
|
|
try:
|
|
return func(path, *args, **kwargs)
|
|
except OSError as e:
|
|
msg = 'Error "{0}" during operation "{1}" on "{2}": "{3}"'
|
|
classname = e.__class__.__name__
|
|
funcname = func.__name__
|
|
logging.warning(msg.format(classname, funcname, str(path), str(e)))
|
|
|
|
return wrapper
|