Add windows version check, legacy list support

- Add check for windows version for IFileOperation
- Add list support to legacy version
- Remove some debugging code
- Fix bug in path converson

Not sure if there is a better way to layout this file

send2trash/plat_win.py

@@ -7,13 +7,16 @@
 from __future__ import unicode_literals
 import os.path as op
 from .compat import text_type
+from platform import version
 
+legacy = False
+# if windows is vista or newer and pywin32 is available use IFileOperation
+if int(version().split(".", 1)[0]) >= 6:
     try:
         # Attempt to use pywin32 to use IFileOperation
         import pythoncom
         import pywintypes
         from win32com.shell import shell, shellcon
-    from platform import version
 
         def send2trash(path):
             if not isinstance(path, list):
@@ -26,7 +29,7 @@ try:
             # convert to full paths
             path = [op.abspath(item) if not op.isabs(item) else item for item in path]
             # remove the leading \\?\ if present
-        path = [item[4:] for item in path if item.startswith("\\\\?\\")]
+            path = [item[4:] if item.startswith("\\\\?\\") else item for item in path]
             # create instance of file operation object
             fileop = pythoncom.CoCreateInstance(
                 shell.CLSID_FileOperation,
@@ -43,7 +46,7 @@ try:
             )
             # determine rest of the flags based on OS version
             # use newer recommended flags if available
-        if int(version().split(".", 1)[0]) >= 8 and False:
+            if int(version().split(".", 1)[0]) >= 8:
                 flags |= (
                     0x20000000  # FOFX_ADDUNDORECORD win 8+
                     | 0x00080000  # FOFX_RECYCLEONDELETE win 8+
@@ -71,8 +74,13 @@ try:
                 # normal errno
                 raise OSError(None, error.strerror, path, error.hresult)
 
-
     except ImportError:
+        legacy = True
+else:
+    legacy = True
+
+# use SHFileOperation as fallback
+if legacy:
     from ctypes import (
         windll,
         Structure,
@@ -128,11 +136,19 @@ except ImportError:
         return output.value[4:]  # Remove '\\?\' for SHFileOperationW
 
     def send2trash(path):
-        if not isinstance(path, text_type):
-            path = text_type(path, "mbcs")
-        if not op.isabs(path):
-            path = op.abspath(path)
-        path = get_short_path_name(path)
+        if not isinstance(path, list):
+            path = [path]
+        # convert data type
+        path = [
+            text_type(item, "mbcs") if not isinstance(item, text_type) else item
+            for item in path
+        ]
+        # convert to full paths
+        path = [op.abspath(item) if not op.isabs(item) else item for item in path]
+        # get short path to handle path length issues
+        path = [get_short_path_name(item) for item in path]
+        # convert to a single string of null terminated paths
+        path = "\0".join(path)
         fileop = SHFILEOPSTRUCTW()
         fileop.hwnd = 0
         fileop.wFunc = FO_DELETE