--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/ThirdParty/Send2Trash/send2trash/plat_other.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,192 @@
+# 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
+
+# This is a reimplementation of plat_other.py with reference to the
+# freedesktop.org trash specification:
+# [1] http://www.freedesktop.org/wiki/Specifications/trash-spec
+# [2] http://www.ramendik.ru/docs/trashspec.html
+# See also:
+# [3] http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+#
+# For external volumes this implementation will raise an exception if it can't
+# find or create the user's trash directory.
+
+from __future__ import unicode_literals
+
+import errno
+import sys
+import os
+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 .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'
+INFO_DIR = b'info'
+INFO_SUFFIX = b'.trashinfo'
+
+# Default of ~/.local/share [3]
+XDG_DATA_HOME = op.expanduser(environb.get(b'XDG_DATA_HOME', b'~/.local/share'))
+HOMETRASH_B = op.join(XDG_DATA_HOME, b'Trash')
+HOMETRASH = fsdecode(HOMETRASH_B)
+
+uid = os.getuid()
+TOPDIR_TRASH = b'.Trash'
+TOPDIR_FALLBACK = b'.Trash-' + text_type(uid).encode('ascii')
+
+def is_parent(parent, path):
+ path = op.realpath(path) # In case it's a symlink
+ if isinstance(path, text_type):
+ path = fsencode(path)
+ parent = op.realpath(parent)
+ if isinstance(parent, text_type):
+ 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]
+ if topdir is None or not is_parent(topdir, src):
+ src = op.abspath(src)
+ else:
+ src = op.relpath(src, topdir)
+
+ info = "[Trash Info]\n"
+ info += "Path=" + quote(src) + "\n"
+ 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):
+ filename = op.basename(src)
+ filespath = op.join(dst, FILES_DIR)
+ infopath = op.join(dst, INFO_DIR)
+ base_name, ext = op.splitext(filename)
+
+ counter = 0
+ 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
+
+ check_create(filespath)
+ check_create(infopath)
+
+ os.rename(src, op.join(filespath, destname))
+ f = open(op.join(infopath, destname + INFO_SUFFIX), 'w')
+ f.write(info_for(src, topdir))
+ f.close()
+
+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):
+ 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.
+ trash_dir = op.join(volume_root, TOPDIR_TRASH)
+ if not op.exists(trash_dir):
+ return None
+
+ mode = os.lstat(trash_dir).st_mode
+ # vol/.Trash must be a directory, cannot be a symlink, and must have the
+ # sticky bit set.
+ 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'))
+ 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)
+ # Try to make the directory, if we lack permission, raise TrashPermissionError
+ try:
+ check_create(trash_dir)
+ except OSError as e:
+ if e.errno == errno.EACCES:
+ raise TrashPermissionError(e.filename)
+ 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):
+ 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))
+
+ if not op.exists(path_b):
+ raise OSError("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)
+ # 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)
+
+ # 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'~'))
+
+ if path_dev == trash_dev:
+ topdir = XDG_DATA_HOME
+ dest_trash = HOMETRASH_B
+ else:
+ topdir = find_mount_point(path_b)
+ trash_dev = get_dev(topdir)
+ if trash_dev != path_dev:
+ raise OSError("Couldn't find mount point for %s" % path)
+ dest_trash = find_ext_volume_trash(topdir)
+ trash_move(path_b, dest_trash, topdir)
