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mirror of https://github.com/arsenetar/send2trash.git synced 2024-11-01 22:35:57 +00:00
send2trash/send2trash/plat_win_modern.py
Andrew Senetar a324923ffa
Add IFileOperationProgressSink
- Add sink to allow detection of times when the file would be deleted
- Currently can detect, but not stop operations, more work needed
2021-03-02 19:23:43 -06:00

68 lines
2.5 KiB
Python

# Copyright 2017 Virgil Dupras
# This software is licensed under the "BSD" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.hardcoded.net/licenses/bsd_license
from __future__ import unicode_literals
import os.path as op
from .compat import text_type
from platform import version
import pythoncom
import pywintypes
from win32com.shell import shell, shellcon
from .IFileOperationProgressSink import CreateSink
def send2trash(paths):
if not isinstance(paths, list):
paths = [paths]
# convert data type
paths = [
text_type(path, "mbcs") if not isinstance(path, text_type) else path
for path in paths
]
# convert to full paths
paths = [op.abspath(path) if not op.isabs(path) else path for path in paths]
# remove the leading \\?\ if present
paths = [path[4:] if path.startswith("\\\\?\\") else path for path in paths]
# create instance of file operation object
fileop = pythoncom.CoCreateInstance(
shell.CLSID_FileOperation, None, pythoncom.CLSCTX_ALL, shell.IID_IFileOperation,
)
# default flags to use
flags = (
shellcon.FOF_NOCONFIRMATION
| shellcon.FOF_NOERRORUI
| shellcon.FOF_SILENT
| shellcon.FOFX_EARLYFAILURE
)
# determine rest of the flags based on OS version
# use newer recommended flags if available
if int(version().split(".", 1)[0]) >= 8:
flags |= (
0x20000000 # FOFX_ADDUNDORECORD win 8+
| 0x00080000 # FOFX_RECYCLEONDELETE win 8+
)
else:
flags |= shellcon.FOF_ALLOWUNDO
# set the flags
fileop.SetOperationFlags(flags)
# actually try to perform the operation, this section may throw a
# pywintypes.com_error which does not seem to create as nice of an
# error as OSError so wrapping with try to convert
sink = CreateSink()
try:
for path in paths:
item = shell.SHCreateItemFromParsingName(path, None, shell.IID_IShellItem)
fileop.DeleteItem(item, sink)
result = fileop.PerformOperations()
aborted = fileop.GetAnyOperationsAborted()
# if non-zero result or aborted throw an exception
if result or aborted:
raise OSError(None, None, paths, result)
except pywintypes.com_error as error:
# convert to standard OS error, allows other code to get a
# normal errno
raise OSError(None, error.strerror, path, error.hresult)