From 899a3efeb3989d0b15288596ba85cce372d6b8a0 Mon Sep 17 00:00:00 2001
From: Virgil Dupras <hsoft@hardcoded.net>
Date: Sun, 17 Oct 2010 18:00:56 +0100
Subject: [PATCH] Converted the compiled win module to ctypes.

--HG--
branch : py3k
---
 modules/send2trash_win.c | 81 ----------------------------------------
 send2trash/plat_win.py   | 44 +++++++++++++++++++++-
 setup.py                 | 11 ------
 3 files changed, 42 insertions(+), 94 deletions(-)
 delete mode 100644 modules/send2trash_win.c

diff --git a/modules/send2trash_win.c b/modules/send2trash_win.c
deleted file mode 100644
index c9e8a31..0000000
--- a/modules/send2trash_win.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/* Copyright 2010 Hardcoded Software (http://www.hardcoded.net)
-
-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
-*/
-
-#define PY_SSIZE_T_CLEAN
-#include "Python.h"
-
-#define WINDOWS_LEAN_AND_MEAN
-#include "windows.h"
-#include "shlobj.h"
-
-/* WARNING: If the filepath is not fully qualified, Windows deletes the file
-   rather than sending it to trash. 
- */
-
-static PyObject* send2trash_win_send(PyObject *self, PyObject *args)
-{
-    SHFILEOPSTRUCTW op;
-    PyObject *filepath;
-    Py_ssize_t len;
-    WCHAR filechars[MAX_PATH+1];
-    int r;
-    
-    if (!PyArg_ParseTuple(args, "O", &filepath)) {
-        return NULL;
-    }
-    
-    if (!PyUnicode_Check(filepath)) {
-        PyErr_SetString(PyExc_TypeError, "Unicode filename required");
-        return NULL;
-    }
-    
-    len = PyUnicode_GET_SIZE(filepath);
-    memcpy(filechars, PyUnicode_AsUnicode(filepath), sizeof(WCHAR)*len);
-    filechars[len] = '\0';
-    filechars[len+1] = '\0';
-
-    op.hwnd = 0;
-    op.wFunc = FO_DELETE;
-    op.pFrom = (LPCWSTR)&filechars;
-    op.pTo = NULL;
-    op.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_SILENT;
-    r = SHFileOperationW(&op);
-    
-    if (r != 0) {
-        PyErr_Format(PyExc_OSError, "Couldn't perform operation. Error code: %d", r);
-        return NULL;
-    }
-    
-    return Py_None;
-}
-
-static PyMethodDef TrashMethods[] = {
-    {"send",  send2trash_win_send, METH_VARARGS, ""},
-    {NULL, NULL, 0, NULL}
-};
-
-static struct PyModuleDef TrashDef = {
-    PyModuleDef_HEAD_INIT,
-    "send2trash_win",
-    NULL,
-    -1,
-    TrashMethods,
-    NULL,
-    NULL,
-    NULL,
-    NULL
-};
-
-PyObject *
-PyInit_send2trash_win(void)
-{
-    PyObject *m = PyModule_Create(&TrashDef);
-    if (m == NULL) {
-        return NULL;
-    }
-    return m;
-}
\ No newline at end of file
diff --git a/send2trash/plat_win.py b/send2trash/plat_win.py
index 5f1a4d6..d3607be 100644
--- a/send2trash/plat_win.py
+++ b/send2trash/plat_win.py
@@ -4,12 +4,52 @@
 # which should be included with this package. The terms are also available at 
 # http://www.hardcoded.net/licenses/bsd_license
 
+from ctypes import windll, Structure, byref, c_uint
+from ctypes.wintypes import HWND, UINT, LPCWSTR, BOOL
 import os.path as op
-import send2trash_win
+
+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 send2trash(path):
     if not isinstance(path, str):
         path = str(path, 'mbcs')
     if not op.isabs(path):
         path = op.abspath(path)
-    send2trash_win.send(path)
+    fileop = SHFILEOPSTRUCTW()
+    fileop.hwnd = 0
+    fileop.wFunc = FO_DELETE
+    fileop.pFrom = LPCWSTR(path + '\0')
+    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:
+        msg = "Couldn't perform operation. Error code: %d" % result
+        raise OSError(msg)
+
diff --git a/setup.py b/setup.py
index 0e4f406..524e909 100644
--- a/setup.py
+++ b/setup.py
@@ -2,16 +2,6 @@ import sys
 import os.path as op
 
 from setuptools import setup
-from distutils.extension import Extension
-
-exts = []
-
-if sys.platform == 'win32':
-    exts.append(Extension(
-        'send2trash_win',
-        [op.join('modules', 'send2trash_win.c')],
-        extra_link_args = ['shell32.lib'],
-    ))
 
 CLASSIFIERS = [
     'Development Status :: 5 - Production/Stable',
@@ -33,7 +23,6 @@ setup(
     author_email='hsoft@hardcoded.net',
     packages=['send2trash'],
     scripts=[],
-    ext_modules = exts,
     url='http://hg.hardcoded.net/send2trash/',
     license='BSD License',
     description='Send file to trash natively under Mac OS X, Windows and Linux.',