Merge branch 'feature/UpdateSend2Trash' into dev

CHANGES.md

@@ -4,6 +4,7 @@
 * Add Filelock 3.9.0 (ce3e891)
 * Remove Lockfile no longer used by Cachecontrol
 * Update Msgpack 1.0.0 (fa7d744) to 1.0.4 (b5acfd5)
+* Update Send2Trash 1.5.0 (66afce7) to 1.8.1b0 (0ef9b32)
 * Update SimpleJSON 3.16.1 (ce75e60) to 3.18.1 (c891b95)
 * Update tmdbsimple 2.6.6 (679e343) to 2.9.1 (9da400a)
 * Update torrent_parser 0.3.0 (2a4eecb) to 0.4.0 (23b9e11)

lib/send2trash/__init__.py

@@ -6,16 +6,16 @@
 
 import sys
 
-from .exceptions import TrashPermissionError
+from send2trash.exceptions import TrashPermissionError  # noqa: F401
 
-if sys.platform == 'darwin':
+if sys.platform == "darwin":
-    from .plat_osx import send2trash
+    from send2trash.mac import send2trash
-elif sys.platform == 'win32':
+elif sys.platform == "win32":
-    from .plat_win import send2trash
+    from send2trash.win import send2trash
 else:
     try:
         # If we can use gio, let's use it
-        from .plat_gio import send2trash
+        from send2trash.plat_gio import send2trash
     except ImportError:
         # Oh well, let's fallback to our own Freedesktop trash implementation
-        from .plat_other import send2trash
+        from send2trash.plat_other import send2trash  # noqa: F401

lib/send2trash/__main__.py

@@ -0,0 +1,33 @@
+# encoding: utf-8
+# 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 print_function
+
+import sys
+
+from argparse import ArgumentParser
+from send2trash import send2trash
+
+
+def main(args=None):
+    parser = ArgumentParser(description="Tool to send files to trash")
+    parser.add_argument("files", nargs="+")
+    parser.add_argument("-v", "--verbose", action="store_true", help="Print deleted files")
+    args = parser.parse_args(args)
+
+    for filename in args.files:
+        try:
+            send2trash(filename)
+            if args.verbose:
+                print("Trashed «" + filename + "»")
+        except OSError as e:
+            print(str(e), file=sys.stderr)
+            sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()

lib/send2trash/compat.py

@@ -15,6 +15,6 @@ if PY3:
         # environb will be unset under Windows, but then again we're not supposed to use it.
         environb = os.environb
 else:
-    text_type = unicode
+    text_type = unicode  # noqa: F821
     binary_type = str
     environb = os.environ

lib/send2trash/exceptions.py

@@ -1,11 +1,12 @@
 import errno
-from .compat import PY3
+from send2trash.compat import PY3
 
 if PY3:
-    _permission_error = PermissionError
+    _permission_error = PermissionError  # noqa: F821
 else:
     _permission_error = OSError
 
+
 class TrashPermissionError(_permission_error):
     """A permission error specific to a trash directory.
 
@@ -20,6 +21,6 @@ class TrashPermissionError(_permission_error):
     data between partitions, devices, or network drives, so we don't do it as
     a fallback.
     """
+
     def __init__(self, filename):
-        _permission_error.__init__(self, errno.EACCES, "Permission denied",
+        _permission_error.__init__(self, errno.EACCES, "Permission denied", filename)
-                                   filename)

lib/send2trash/mac/__init__.py

@@ -0,0 +1,20 @@
+# 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 platform import mac_ver
+from sys import version_info
+
+# NOTE: version of pyobjc only supports python >= 3.6 and 10.9+
+macos_ver = tuple(int(part) for part in mac_ver()[0].split("."))
+if version_info >= (3, 6) and macos_ver >= (10, 9):
+    try:
+        from send2trash.mac.modern import send2trash
+    except ImportError:
+        # Try to fall back to ctypes version, although likely problematic still
+        from send2trash.mac.legacy import send2trash
+else:
+    # Just use the old version otherwise
+    from send2trash.mac.legacy import send2trash  # noqa: F401

lib/send2trash/mac/legacy.py

@@ -9,10 +9,11 @@ from __future__ import unicode_literals
 from ctypes import cdll, byref, Structure, c_char, c_char_p
 from ctypes.util import find_library
 
-from .compat import binary_type
+from send2trash.compat import binary_type
+from send2trash.util import preprocess_paths
 
-Foundation = cdll.LoadLibrary(find_library('Foundation'))
+Foundation = cdll.LoadLibrary(find_library("Foundation"))
-CoreServices = cdll.LoadLibrary(find_library('CoreServices'))
+CoreServices = cdll.LoadLibrary(find_library("CoreServices"))
 
 GetMacOSStatusCommentString = Foundation.GetMacOSStatusCommentString
 GetMacOSStatusCommentString.restype = c_char_p
@@ -28,17 +29,21 @@ kFSFileOperationSkipSourcePermissionErrors = 0x02
 kFSFileOperationDoNotMoveAcrossVolumes = 0x04
 kFSFileOperationSkipPreflight = 0x08
 
+
 class FSRef(Structure):
-    _fields_ = [('hidden', c_char * 80)]
+    _fields_ = [("hidden", c_char * 80)]
+
 
 def check_op_result(op_result):
     if op_result:
-        msg = GetMacOSStatusCommentString(op_result).decode('utf-8')
+        msg = GetMacOSStatusCommentString(op_result).decode("utf-8")
         raise OSError(msg)
 
-def send2trash(path):
+
-    if not isinstance(path, binary_type):
+def send2trash(paths):
-        path = path.encode('utf-8')
+    paths = preprocess_paths(paths)
+    paths = [path.encode("utf-8") if not isinstance(path, binary_type) else path for path in paths]
+    for path in paths:
         fp = FSRef()
         opts = kFSPathMakeRefDoNotFollowLeafSymlink
         op_result = FSPathMakeRefWithOptions(path, opts, byref(fp), None)

lib/send2trash/mac/modern.py

@@ -0,0 +1,26 @@
+# 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 Foundation import NSFileManager, NSURL
+from send2trash.compat import text_type
+from send2trash.util import preprocess_paths
+
+
+def check_op_result(op_result):
+    # First value will be false on failure
+    if not op_result[0]:
+        # Error is in third value, localized failure reason matchs ctypes version
+        raise OSError(op_result[2].localizedFailureReason())
+
+
+def send2trash(paths):
+    paths = preprocess_paths(paths)
+    paths = [path.decode("utf-8") if not isinstance(path, text_type) else path for path in paths]
+    for path in paths:
+        file_url = NSURL.fileURLWithPath_(path)
+        fm = NSFileManager.defaultManager()
+        op_result = fm.trashItemAtURL_resultingItemURL_error_(file_url, None, None)
+        check_op_result(op_result)

lib/send2trash/plat_gio.py

@@ -5,9 +5,13 @@
 # http://www.hardcoded.net/licenses/bsd_license
 
 from gi.repository import GObject, Gio
-from .exceptions import TrashPermissionError
+from send2trash.exceptions import TrashPermissionError
+from send2trash.util import preprocess_paths
 
-def send2trash(path):
+
+def send2trash(paths):
+    paths = preprocess_paths(paths)
+    for path in paths:
         try:
             f = Gio.File.new_for_path(path)
             f.trash(cancellable=None)
@@ -15,5 +19,5 @@ def send2trash(path):
             if e.code == Gio.IOErrorEnum.NOT_SUPPORTED:
                 # We get here if we can't create a trash directory on the same
                 # device. I don't know if other errors can result in NOT_SUPPORTED.
-            raise TrashPermissionError('')
+                raise TrashPermissionError("")
             raise OSError(e.message)

lib/send2trash/plat_other.py

@@ -19,41 +19,48 @@ from __future__ import unicode_literals
 import errno
 import sys
 import os
+import shutil
 import os.path as op
 from datetime import datetime
 import stat
+
 try:
     from urllib.parse import quote
 except ImportError:
     # Python 2
     from urllib import quote
 
-from .compat import text_type, environb
+from send2trash.compat import text_type, environb
-from .exceptions import TrashPermissionError
+from send2trash.util import preprocess_paths
+from send2trash.exceptions import TrashPermissionError
 
 try:
     fsencode = os.fsencode  # Python 3
     fsdecode = os.fsdecode
 except AttributeError:
+
     def fsencode(u):  # Python 2
         return u.encode(sys.getfilesystemencoding())
+
     def fsdecode(b):
         return b.decode(sys.getfilesystemencoding())
+
     # The Python 3 versions are a bit smarter, handling surrogate escapes,
     # but these should work in most cases.
 
-FILES_DIR = b'files'
+FILES_DIR = b"files"
-INFO_DIR = b'info'
+INFO_DIR = b"info"
-INFO_SUFFIX = b'.trashinfo'
+INFO_SUFFIX = b".trashinfo"
 
 # Default of ~/.local/share [3]
-XDG_DATA_HOME = op.expanduser(environb.get(b'XDG_DATA_HOME', b'~/.local/share'))
+XDG_DATA_HOME = op.expanduser(environb.get(b"XDG_DATA_HOME", b"~/.local/share"))
-HOMETRASH_B = op.join(XDG_DATA_HOME, b'Trash')
+HOMETRASH_B = op.join(XDG_DATA_HOME, b"Trash")
 HOMETRASH = fsdecode(HOMETRASH_B)
 
 uid = os.getuid()
-TOPDIR_TRASH = b'.Trash'
+TOPDIR_TRASH = b".Trash"
-TOPDIR_FALLBACK = b'.Trash-' + text_type(uid).encode('ascii')
+TOPDIR_FALLBACK = b".Trash-" + text_type(uid).encode("ascii")
+
 
 def is_parent(parent, path):
     path = op.realpath(path)  # In case it's a symlink
@@ -64,9 +71,11 @@ def is_parent(parent, path):
         parent = fsencode(parent)
     return path.startswith(parent)
 
+
 def format_date(date):
     return date.strftime("%Y-%m-%dT%H:%M:%S")
 
+
 def info_for(src, topdir):
     # ...it MUST not include a ".." directory, and for files not "under" that
     # directory, absolute pathnames must be used. [2]
@@ -80,12 +89,14 @@ def info_for(src, topdir):
     info += "DeletionDate=" + format_date(datetime.now()) + "\n"
     return info
 
+
 def check_create(dir):
     # use 0700 for paths [3]
     if not op.exists(dir):
         os.makedirs(dir, 0o700)
 
-def trash_move(src, dst, topdir=None):
+
+def trash_move(src, dst, topdir=None, cross_dev=False):
     filename = op.basename(src)
     filespath = op.join(dst, FILES_DIR)
     infopath = op.join(dst, INFO_DIR)
@@ -95,24 +106,29 @@ def trash_move(src, dst, topdir=None):
     destname = filename
     while op.exists(op.join(filespath, destname)) or op.exists(op.join(infopath, destname + INFO_SUFFIX)):
         counter += 1
-        destname = base_name + b' ' + text_type(counter).encode('ascii') + ext
+        destname = base_name + b" " + text_type(counter).encode("ascii") + ext
 
     check_create(filespath)
     check_create(infopath)
 
-    os.rename(src, op.join(filespath, destname))
+    with open(op.join(infopath, destname + INFO_SUFFIX), "w") as f:
-    f = open(op.join(infopath, destname + INFO_SUFFIX), 'w')
         f.write(info_for(src, topdir))
-    f.close()
+    destpath = op.join(filespath, destname)
+    if cross_dev:
+        shutil.move(src, destpath)
+    else:
+        os.rename(src, destpath)
+
 
 def find_mount_point(path):
     # Even if something's wrong, "/" is a mount point, so the loop will exit.
     # Use realpath in case it's a symlink
     path = op.realpath(path)  # Required to avoid infinite loop
-    while not op.ismount(path):
+    while not op.ismount(path):  # Note ismount() does not always detect mounts
         path = op.split(path)[0]
     return path
 
+
 def find_ext_volume_global_trash(volume_root):
     # from [2] Trash directories (1) check for a .Trash dir with the right
     # permissions set.
@@ -126,13 +142,14 @@ def find_ext_volume_global_trash(volume_root):
     if not op.isdir(trash_dir) or op.islink(trash_dir) or not (mode & stat.S_ISVTX):
         return None
 
-    trash_dir = op.join(trash_dir, text_type(uid).encode('ascii'))
+    trash_dir = op.join(trash_dir, text_type(uid).encode("ascii"))
     try:
         check_create(trash_dir)
     except OSError:
         return None
     return trash_dir
 
+
 def find_ext_volume_fallback_trash(volume_root):
     # from [2] Trash directories (1) create a .Trash-$uid dir.
     trash_dir = op.join(volume_root, TOPDIR_FALLBACK)
@@ -145,41 +162,43 @@ def find_ext_volume_fallback_trash(volume_root):
         raise
     return trash_dir
 
+
 def find_ext_volume_trash(volume_root):
     trash_dir = find_ext_volume_global_trash(volume_root)
     if trash_dir is None:
         trash_dir = find_ext_volume_fallback_trash(volume_root)
     return trash_dir
 
+
 # Pull this out so it's easy to stub (to avoid stubbing lstat itself)
 def get_dev(path):
     return os.lstat(path).st_dev
 
-def send2trash(path):
+
+def send2trash(paths):
+    paths = preprocess_paths(paths)
+    for path in paths:
         if isinstance(path, text_type):
             path_b = fsencode(path)
         elif isinstance(path, bytes):
             path_b = path
-    elif hasattr(path, '__fspath__'):
-        # Python 3.6 PathLike protocol
-        return send2trash(path.__fspath__())
         else:
-        raise TypeError('str, bytes or PathLike expected, not %r' % type(path))
+            raise TypeError("str, bytes or PathLike expected, not %r" % type(path))
 
         if not op.exists(path_b):
-        raise OSError("File not found: %s" % path)
+            raise OSError(errno.ENOENT, "File not found: %s" % path)
         # ...should check whether the user has the necessary permissions to delete
         # it, before starting the trashing operation itself. [2]
         if not os.access(path_b, os.W_OK):
-        raise OSError("Permission denied: %s" % path)
+            raise OSError(errno.EACCES, "Permission denied: %s" % path)
-    # if the file to be trashed is on the same device as HOMETRASH we
-    # want to move it there.
-    path_dev = get_dev(path_b)
 
+        path_dev = get_dev(path_b)
         # If XDG_DATA_HOME or HOMETRASH do not yet exist we need to stat the
         # home directory, and these paths will be created further on if needed.
-    trash_dev = get_dev(op.expanduser(b'~'))
+        trash_dev = get_dev(op.expanduser(b"~"))
 
+        # if the file to be trashed is on the same device as HOMETRASH we
+        # want to move it there.
         if path_dev == trash_dev:
             topdir = XDG_DATA_HOME
             dest_trash = HOMETRASH_B
@@ -189,4 +208,11 @@ def send2trash(path):
             if trash_dev != path_dev:
                 raise OSError("Couldn't find mount point for %s" % path)
             dest_trash = find_ext_volume_trash(topdir)
+        try:
             trash_move(path_b, dest_trash, topdir)
+        except OSError as error:
+            # Cross link errors default back to HOMETRASH
+            if error.errno == errno.EXDEV:
+                trash_move(path_b, HOMETRASH_B, XDG_DATA_HOME, cross_dev=True)
+            else:
+                raise

lib/send2trash/plat_win.py

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

lib/send2trash/util.py

@@ -0,0 +1,14 @@
+# encoding: utf-8
+# 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
+
+
+def preprocess_paths(paths):
+    if not isinstance(paths, list):
+        paths = [paths]
+    # Convert items such as pathlib paths to strings
+    paths = [path.__fspath__() if hasattr(path, "__fspath__") else path for path in paths]
+    return paths

lib/send2trash/win/IFileOperationProgressSink.py

@@ -0,0 +1,46 @@
+# Sample implementation of IFileOperationProgressSink that just prints
+# some basic info
+
+import pythoncom
+from win32com.shell import shell, shellcon
+from win32com.server.policy import DesignatedWrapPolicy
+
+
+class FileOperationProgressSink(DesignatedWrapPolicy):
+    _com_interfaces_ = [shell.IID_IFileOperationProgressSink]
+    _public_methods_ = [
+        "StartOperations",
+        "FinishOperations",
+        "PreRenameItem",
+        "PostRenameItem",
+        "PreMoveItem",
+        "PostMoveItem",
+        "PreCopyItem",
+        "PostCopyItem",
+        "PreDeleteItem",
+        "PostDeleteItem",
+        "PreNewItem",
+        "PostNewItem",
+        "UpdateProgress",
+        "ResetTimer",
+        "PauseTimer",
+        "ResumeTimer",
+    ]
+
+    def __init__(self):
+        self._wrap_(self)
+        self.newItem = None
+
+    def PreDeleteItem(self, flags, item):
+        # Can detect cases where to stop via flags and condition below, however the operation
+        # does not actual stop, we can resort to raising an exception as that does stop things
+        # but that may need some additional considerations before implementing.
+        return 0 if flags & shellcon.TSF_DELETE_RECYCLE_IF_POSSIBLE else 0x80004005  # S_OK, or E_FAIL
+
+    def PostDeleteItem(self, flags, item, hr_delete, newly_created):
+        if newly_created:
+            self.newItem = newly_created.GetDisplayName(shellcon.SHGDN_FORPARSING)
+
+
+def create_sink():
+    return pythoncom.WrapObject(FileOperationProgressSink(), shell.IID_IFileOperationProgressSink)

lib/send2trash/win/__init__.py

@@ -0,0 +1,20 @@
+# 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
+from platform import version
+
+# if windows is vista or newer and pywin32 is available use IFileOperation
+modern = int(version().split(".", 1)[0]) >= 6
+if modern:
+    try:
+        # Attempt to use pywin32 to use IFileOperation
+        from send2trash.win.modern import send2trash
+    except ImportError:
+        modern = False
+if not modern:
+    # use SHFileOperation as fallback
+    from send2trash.win.legacy import send2trash  # noqa: F401

lib/send2trash/win/legacy.py

@@ -0,0 +1,194 @@
+# 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 send2trash.compat import text_type
+from send2trash.util import preprocess_paths
+
+from ctypes import (
+    windll,
+    Structure,
+    byref,
+    c_uint,
+    create_unicode_buffer,
+    addressof,
+    GetLastError,
+    FormatError,
+)
+from ctypes.wintypes import HWND, UINT, LPCWSTR, BOOL
+
+kernel32 = windll.kernel32
+GetShortPathNameW = kernel32.GetShortPathNameW
+
+shell32 = windll.shell32
+SHFileOperationW = shell32.SHFileOperationW
+
+
+class SHFILEOPSTRUCTW(Structure):
+    _fields_ = [
+        ("hwnd", HWND),
+        ("wFunc", UINT),
+        ("pFrom", LPCWSTR),
+        ("pTo", LPCWSTR),
+        ("fFlags", c_uint),
+        ("fAnyOperationsAborted", BOOL),
+        ("hNameMappings", c_uint),
+        ("lpszProgressTitle", LPCWSTR),
+    ]
+
+
+FO_MOVE = 1
+FO_COPY = 2
+FO_DELETE = 3
+FO_RENAME = 4
+
+FOF_MULTIDESTFILES = 1
+FOF_SILENT = 4
+FOF_NOCONFIRMATION = 16
+FOF_ALLOWUNDO = 64
+FOF_NOERRORUI = 1024
+
+
+def convert_sh_file_opt_result(result):
+    # map overlapping values from SHFileOpterationW to approximate standard windows errors
+    # ref https://docs.microsoft.com/en-us/windows/win32/api/shellapi/nf-shellapi-shfileoperationw#return-value
+    # ref https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes--0-499-
+    results = {
+        0x71: 0x50,  # DE_SAMEFILE -> ERROR_FILE_EXISTS
+        0x72: 0x57,  # DE_MANYSRC1DEST -> ERROR_INVALID_PARAMETER
+        0x73: 0x57,  # DE_DIFFDIR -> ERROR_INVALID_PARAMETER
+        0x74: 0x57,  # DE_ROOTDIR -> ERROR_INVALID_PARAMETER
+        0x75: 0x4C7,  # DE_OPCANCELLED -> ERROR_CANCELLED
+        0x76: 0x57,  # DE_DESTSUBTREE -> ERROR_INVALID_PARAMETER
+        0x78: 0x05,  # DE_ACCESSDENIEDSRC -> ERROR_ACCESS_DENIED
+        0x79: 0x6F,  # DE_PATHTOODEEP -> ERROR_BUFFER_OVERFLOW
+        0x7A: 0x57,  # DE_MANYDEST -> ERROR_INVALID_PARAMETER
+        0x7C: 0xA1,  # DE_INVALIDFILES -> ERROR_BAD_PATHNAME
+        0x7D: 0x57,  # DE_DESTSAMETREE -> ERROR_INVALID_PARAMETER
+        0x7E: 0xB7,  # DE_FLDDESTISFILE -> ERROR_ALREADY_EXISTS
+        0x80: 0xB7,  # DE_FILEDESTISFLD -> ERROR_ALREADY_EXISTS
+        0x81: 0x6F,  # DE_FILENAMETOOLONG -> ERROR_BUFFER_OVERFLOW
+        0x82: 0x13,  # DE_DEST_IS_CDROM -> ERROR_WRITE_PROTECT
+        0x83: 0x13,  # DE_DEST_IS_DVD -> ERROR_WRITE_PROTECT
+        0x84: 0x6F9,  # DE_DEST_IS_CDRECORD -> ERROR_UNRECOGNIZED_MEDIA
+        0x85: 0xDF,  # DE_FILE_TOO_LARGE -> ERROR_FILE_TOO_LARGE
+        0x86: 0x13,  # DE_SRC_IS_CDROM -> ERROR_WRITE_PROTECT
+        0x87: 0x13,  # DE_SRC_IS_DVD -> ERROR_WRITE_PROTECT
+        0x88: 0x6F9,  # DE_SRC_IS_CDRECORD -> ERROR_UNRECOGNIZED_MEDIA
+        0xB7: 0x6F,  # DE_ERROR_MAX -> ERROR_BUFFER_OVERFLOW
+        0x402: 0xA1,  # UNKNOWN -> ERROR_BAD_PATHNAME
+        0x10000: 0x1D,  # ERRORONDEST -> ERROR_WRITE_FAULT
+        0x10074: 0x57,  # DE_ROOTDIR | ERRORONDEST -> ERROR_INVALID_PARAMETER
+    }
+
+    if result in results.keys():
+        return results[result]
+    else:
+        return result
+
+
+def prefix_and_path(path):
+    r"""Guess the long-path prefix based on the kind of *path*.
+    Local paths (C:\folder\file.ext) and UNC names (\\server\folder\file.ext)
+    are handled.
+
+    Return a tuple of the long-path prefix and the prefixed path.
+    """
+    prefix, long_path = "\\\\?\\", path
+
+    if not path.startswith(prefix):
+        if path.startswith("\\\\"):
+            # Likely a UNC name
+            prefix = "\\\\?\\UNC"
+            long_path = prefix + path[1:]
+        else:
+            # Likely a local path
+            long_path = prefix + path
+    elif path.startswith(prefix + "UNC\\"):
+        # UNC name with long-path prefix
+        prefix = "\\\\?\\UNC"
+
+    return prefix, long_path
+
+
+def get_awaited_path_from_prefix(prefix, path):
+    """Guess the correct path to pass to the SHFileOperationW() call.
+    The long-path prefix must be removed, so we should take care of
+    different long-path prefixes.
+    """
+    if prefix == "\\\\?\\UNC":
+        # We need to prepend a backslash for UNC names, as it was removed
+        # in prefix_and_path().
+        return "\\" + path[len(prefix) :]
+    return path[len(prefix) :]
+
+
+def get_short_path_name(long_name):
+    prefix, long_path = prefix_and_path(long_name)
+    buf_size = GetShortPathNameW(long_path, None, 0)
+    # FIX: https://github.com/hsoft/send2trash/issues/31
+    # If buffer size is zero, an error has occurred.
+    if not buf_size:
+        err_no = GetLastError()
+        raise WindowsError(err_no, FormatError(err_no), long_path)
+    output = create_unicode_buffer(buf_size)
+    GetShortPathNameW(long_path, output, buf_size)
+    return get_awaited_path_from_prefix(prefix, output.value)
+
+
+def send2trash(paths):
+    paths = preprocess_paths(paths)
+    if not paths:
+        return
+    # 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]
+    # get short path to handle path length issues
+    short_paths = [get_short_path_name(path) for path in paths]
+    try:
+        s2t(short_paths)
+    except(BaseException, Exception):
+        s2t(paths)
+
+
+
+def s2t(paths):
+    fileop = SHFILEOPSTRUCTW()
+    fileop.hwnd = 0
+    fileop.wFunc = FO_DELETE
+    # FIX: https://github.com/hsoft/send2trash/issues/17
+    # Starting in python 3.6.3 it is no longer possible to use:
+    # LPCWSTR(path + '\0') directly as embedded null characters are no longer
+    # allowed in strings
+    # Workaround
+    #  - create buffer of c_wchar[] (LPCWSTR is based on this type)
+    #  - buffer is two c_wchar characters longer (double null terminator)
+    #  - cast the address of the buffer to a LPCWSTR
+    # NOTE: based on how python allocates memory for these types they should
+    # always be zero, if this is ever not true we can go back to explicitly
+    # setting the last two characters to null using buffer[index] = '\0'.
+    # Additional note on another issue here, unicode_buffer expects length in
+    # bytes essentially, so having multi-byte characters causes issues if just
+    # passing pythons string length.  Instead of dealing with this difference we
+    # just create a buffer then a new one with an extra null.  Since the non-length
+    # specified version apparently stops after the first null, join with a space first.
+    buffer = create_unicode_buffer(" ".join(paths))
+    # convert to a single string of null terminated paths
+    path_string = "\0".join(paths)
+    buffer = create_unicode_buffer(path_string, len(buffer) + 1)
+    fileop.pFrom = LPCWSTR(addressof(buffer))
+    fileop.pTo = None
+    fileop.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_SILENT
+    fileop.fAnyOperationsAborted = 0
+    fileop.hNameMappings = 0
+    fileop.lpszProgressTitle = None
+    result = SHFileOperationW(byref(fileop))
+    if result:
+        error = convert_sh_file_opt_result(result)
+        raise WindowsError(None, FormatError(error), paths, error)

lib/send2trash/win/modern.py

@@ -0,0 +1,66 @@
+# 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 send2trash.compat import text_type
+from send2trash.util import preprocess_paths
+from platform import version
+import pythoncom
+import pywintypes
+from win32com.shell import shell, shellcon
+from send2trash.win.IFileOperationProgressSink import create_sink
+
+
+def send2trash(paths):
+    paths = preprocess_paths(paths)
+    if not paths:
+        return
+    # 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]
+    # Need to initialize the com before using
+    pythoncom.CoInitialize()
+    # 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 | 0x00080000  # FOFX_ADDUNDORECORD win 8+  # 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 = create_sink()
+    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)
+    finally:
+        # Need to make sure we call this once fore every init
+        pythoncom.CoUninitialize()