Mercurial Repositories > eric / file comparison
comparison: ThirdParty/Send2Trash/send2trash/plat_win.py
ThirdParty/Send2Trash/send2trash/plat_win.py
- changeset 6228
- 9c3fbf39ec9b
- parent 5994
- cf0b37d2a28d
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| 6227:fc0869cd16dc | 6228:9c3fbf39ec9b |
|---|---|
| 5 # http://www.hardcoded.net/licenses/bsd_license | 5 # http://www.hardcoded.net/licenses/bsd_license |
| 6 | 6 |
| 7 from __future__ import unicode_literals | 7 from __future__ import unicode_literals |
| 8 | 8 |
| 9 from ctypes import (windll, Structure, byref, c_uint, | 9 from ctypes import (windll, Structure, byref, c_uint, |
| 10 create_unicode_buffer, sizeof, addressof) | 10 create_unicode_buffer, addressof) |
| 11 from ctypes.wintypes import HWND, UINT, LPCWSTR, BOOL | 11 from ctypes.wintypes import HWND, UINT, LPCWSTR, BOOL |
| 12 import os.path as op | 12 import os.path as op |
| 13 | 13 |
| 14 from .compat import text_type | 14 from .compat import text_type |
| 15 | 15 |
| 16 kernel32 = windll.kernel32 | |
| 17 GetShortPathNameW = kernel32.GetShortPathNameW | |
| 18 | |
| 16 shell32 = windll.shell32 | 19 shell32 = windll.shell32 |
| 17 SHFileOperationW = shell32.SHFileOperationW | 20 SHFileOperationW = shell32.SHFileOperationW |
| 21 | |
| 18 | 22 |
| 19 class SHFILEOPSTRUCTW(Structure): | 23 class SHFILEOPSTRUCTW(Structure): |
| 20 _fields_ = [ | 24 _fields_ = [ |
| 21 ("hwnd", HWND), | 25 ("hwnd", HWND), |
| 22 ("wFunc", UINT), | 26 ("wFunc", UINT), |
| 26 ("fAnyOperationsAborted", BOOL), | 30 ("fAnyOperationsAborted", BOOL), |
| 27 ("hNameMappings", c_uint), | 31 ("hNameMappings", c_uint), |
| 28 ("lpszProgressTitle", LPCWSTR), | 32 ("lpszProgressTitle", LPCWSTR), |
| 29 ] | 33 ] |
| 30 | 34 |
| 35 | |
| 31 FO_MOVE = 1 | 36 FO_MOVE = 1 |
| 32 FO_COPY = 2 | 37 FO_COPY = 2 |
| 33 FO_DELETE = 3 | 38 FO_DELETE = 3 |
| 34 FO_RENAME = 4 | 39 FO_RENAME = 4 |
| 35 | 40 |
| 37 FOF_SILENT = 4 | 42 FOF_SILENT = 4 |
| 38 FOF_NOCONFIRMATION = 16 | 43 FOF_NOCONFIRMATION = 16 |
| 39 FOF_ALLOWUNDO = 64 | 44 FOF_ALLOWUNDO = 64 |
| 40 FOF_NOERRORUI = 1024 | 45 FOF_NOERRORUI = 1024 |
| 41 | 46 |
| 47 | |
| 48 def get_short_path_name(long_name): | |
| 49 if not long_name.startswith('\\\\?\\'): | |
| 50 long_name = '\\\\?\\' + long_name | |
| 51 buf_size = GetShortPathNameW(long_name, None, 0) | |
| 52 output = create_unicode_buffer(buf_size) | |
| 53 GetShortPathNameW(long_name, output, buf_size) | |
| 54 return output.value[4:] # Remove '\\?\' for SHFileOperationW | |
| 55 | |
| 56 | |
| 42 def send2trash(path): | 57 def send2trash(path): |
| 43 if not isinstance(path, text_type): | 58 if not isinstance(path, text_type): |
| 44 path = text_type(path, 'mbcs') | 59 path = text_type(path, 'mbcs') |
| 45 if not op.isabs(path): | 60 if not op.isabs(path): |
| 46 path = op.abspath(path) | 61 path = op.abspath(path) |
| 62 path = get_short_path_name(path) | |
| 47 fileop = SHFILEOPSTRUCTW() | 63 fileop = SHFILEOPSTRUCTW() |
| 48 fileop.hwnd = 0 | 64 fileop.hwnd = 0 |
| 49 fileop.wFunc = FO_DELETE | 65 fileop.wFunc = FO_DELETE |
| 50 # FIX: https://github.com/hsoft/send2trash/issues/17 | 66 # FIX: https://github.com/hsoft/send2trash/issues/17 |
| 51 # Starting in python 3.6.3 it is no longer possible to use: | 67 # Starting in python 3.6.3 it is no longer possible to use: |
| 52 # LPCWSTR(path + '\0') directly as embedded null characters are no longer | 68 # LPCWSTR(path + '\0') directly as embedded null characters are no longer |
| 53 # allowed in strings | 69 # allowed in strings |
| 54 # Workaround | 70 # Workaround |
| 55 # - create buffer of c_wchar[] (LPCWSTR is based on this type) | 71 # - create buffer of c_wchar[] (LPCWSTR is based on this type) |
| 56 # - buffer is two c_wchar characters longer (double null terminator) | 72 # - buffer is two c_wchar characters longer (double null terminator) |
| 57 # - cast the address of the buffer to a LPCWSTR | 73 # - cast the address of the buffer to a LPCWSTR |
| 58 # NOTE: based on how python allocates memory for these types they should | 74 # NOTE: based on how python allocates memory for these types they should |
| 59 # always be zero, if this is ever not true we can go back to explicitly | 75 # always be zero, if this is ever not true we can go back to explicitly |
