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https://github.com/SickGear/SickGear.git
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103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
# Copyright 2017 Virgil Dupras
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# This software is licensed under the "BSD" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.hardcoded.net/licenses/bsd_license
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from __future__ import unicode_literals
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from ctypes import (windll, Structure, byref, c_uint,
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create_unicode_buffer, addressof,
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GetLastError, FormatError)
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from ctypes.wintypes import HWND, UINT, LPCWSTR, BOOL
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import os.path as op
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from .compat import text_type
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kernel32 = windll.kernel32
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GetShortPathNameW = kernel32.GetShortPathNameW
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shell32 = windll.shell32
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SHFileOperationW = shell32.SHFileOperationW
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class SHFILEOPSTRUCTW(Structure):
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_fields_ = [
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("hwnd", HWND),
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("wFunc", UINT),
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("pFrom", LPCWSTR),
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("pTo", LPCWSTR),
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("fFlags", c_uint),
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("fAnyOperationsAborted", BOOL),
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("hNameMappings", c_uint),
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("lpszProgressTitle", LPCWSTR),
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]
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FO_MOVE = 1
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FO_COPY = 2
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FO_DELETE = 3
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FO_RENAME = 4
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FOF_MULTIDESTFILES = 1
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FOF_SILENT = 4
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FOF_NOCONFIRMATION = 16
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FOF_ALLOWUNDO = 64
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FOF_NOERRORUI = 1024
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def get_short_path_name(long_name):
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if not long_name.startswith('\\\\?\\'):
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long_name = '\\\\?\\' + long_name
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buf_size = GetShortPathNameW(long_name, None, 0)
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# FIX: https://github.com/hsoft/send2trash/issues/31
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# If buffer size is zero, an error has occurred.
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if not buf_size:
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err_no = GetLastError()
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raise WindowsError(err_no, FormatError(err_no), long_name[4:])
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output = create_unicode_buffer(buf_size)
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GetShortPathNameW(long_name, output, buf_size)
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return output
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def send2trash(path):
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if not isinstance(path, text_type):
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path = text_type(path, 'mbcs')
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if not op.isabs(path):
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path = op.abspath(path)
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try:
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s2t(path)
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except (BaseException, Exception):
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short_path = get_short_path_name(path)
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try:
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s2t(short_path)
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except (BaseException, Exception):
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s2t(short_path.value[4:]) # Remove '\\?\' for SHFileOperationW
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def s2t(path):
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fileop = SHFILEOPSTRUCTW()
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fileop.hwnd = 0
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fileop.wFunc = FO_DELETE
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# FIX: https://github.com/hsoft/send2trash/issues/17
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# Starting in python 3.6.3 it is no longer possible to use:
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# LPCWSTR(path + '\0') directly as embedded null characters are no longer
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# allowed in strings
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# Workaround
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# - create buffer of c_wchar[] (LPCWSTR is based on this type)
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# - buffer is two c_wchar characters longer (double null terminator)
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# - cast the address of the buffer to a LPCWSTR
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# NOTE: based on how python allocates memory for these types they should
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# always be zero, if this is ever not true we can go back to explicitly
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# setting the last two characters to null using buffer[index] = '\0'.
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buf = create_unicode_buffer(path, len(path)+2)
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fileop.pFrom = LPCWSTR(addressof(buf))
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fileop.pTo = None
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fileop.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_SILENT
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fileop.fAnyOperationsAborted = 0
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fileop.hNameMappings = 0
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fileop.lpszProgressTitle = None
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result = SHFileOperationW(byref(fileop))
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if result:
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raise WindowsError(result, FormatError(result), path)
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