author | Simon Farnsworth <simonfar@fb.com> |
Sat, 08 Oct 2016 01:25:28 -0700 | |
changeset 30060 | a145161debed |
parent 25994 | d6beeb618700 |
child 30313 | 392633d7860e |
permissions | -rw-r--r-- |
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# win32.py - utility functions that use win32 API |
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# |
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# Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from __future__ import absolute_import |
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|
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import ctypes |
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import errno |
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import msvcrt |
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import os |
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import random |
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import subprocess |
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_kernel32 = ctypes.windll.kernel32 |
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_advapi32 = ctypes.windll.advapi32 |
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_user32 = ctypes.windll.user32 |
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_BOOL = ctypes.c_long |
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_WORD = ctypes.c_ushort |
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_DWORD = ctypes.c_ulong |
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_UINT = ctypes.c_uint |
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_LONG = ctypes.c_long |
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_LPCSTR = _LPSTR = ctypes.c_char_p |
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_HANDLE = ctypes.c_void_p |
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_HWND = _HANDLE |
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_INVALID_HANDLE_VALUE = _HANDLE(-1).value |
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# GetLastError |
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_ERROR_SUCCESS = 0 |
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_ERROR_NO_MORE_FILES = 18 |
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_ERROR_INVALID_PARAMETER = 87 |
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_ERROR_BROKEN_PIPE = 109 |
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_ERROR_INSUFFICIENT_BUFFER = 122 |
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# WPARAM is defined as UINT_PTR (unsigned type) |
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# LPARAM is defined as LONG_PTR (signed type) |
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if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p): |
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_WPARAM = ctypes.c_ulong |
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_LPARAM = ctypes.c_long |
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elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p): |
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_WPARAM = ctypes.c_ulonglong |
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_LPARAM = ctypes.c_longlong |
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class _FILETIME(ctypes.Structure): |
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_fields_ = [('dwLowDateTime', _DWORD), |
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('dwHighDateTime', _DWORD)] |
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class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure): |
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_fields_ = [('dwFileAttributes', _DWORD), |
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('ftCreationTime', _FILETIME), |
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('ftLastAccessTime', _FILETIME), |
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('ftLastWriteTime', _FILETIME), |
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('dwVolumeSerialNumber', _DWORD), |
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('nFileSizeHigh', _DWORD), |
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('nFileSizeLow', _DWORD), |
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('nNumberOfLinks', _DWORD), |
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('nFileIndexHigh', _DWORD), |
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('nFileIndexLow', _DWORD)] |
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63 |
|
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# CreateFile |
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_FILE_SHARE_READ = 0x00000001 |
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66 |
_FILE_SHARE_WRITE = 0x00000002 |
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_FILE_SHARE_DELETE = 0x00000004 |
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_OPEN_EXISTING = 3 |
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_FILE_FLAG_BACKUP_SEMANTICS = 0x02000000 |
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72 |
|
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# SetFileAttributes |
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74 |
_FILE_ATTRIBUTE_NORMAL = 0x80 |
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75 |
_FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000 |
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76 |
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77 |
# Process Security and Access Rights |
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_PROCESS_QUERY_INFORMATION = 0x0400 |
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79 |
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# GetExitCodeProcess |
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_STILL_ACTIVE = 259 |
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82 |
|
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class _STARTUPINFO(ctypes.Structure): |
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84 |
_fields_ = [('cb', _DWORD), |
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85 |
('lpReserved', _LPSTR), |
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86 |
('lpDesktop', _LPSTR), |
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87 |
('lpTitle', _LPSTR), |
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88 |
('dwX', _DWORD), |
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port win32.py to using the Python ctypes library
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89 |
('dwY', _DWORD), |
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port win32.py to using the Python ctypes library
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90 |
('dwXSize', _DWORD), |
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port win32.py to using the Python ctypes library
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91 |
('dwYSize', _DWORD), |
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92 |
('dwXCountChars', _DWORD), |
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port win32.py to using the Python ctypes library
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93 |
('dwYCountChars', _DWORD), |
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port win32.py to using the Python ctypes library
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94 |
('dwFillAttribute', _DWORD), |
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port win32.py to using the Python ctypes library
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parents:
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95 |
('dwFlags', _DWORD), |
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port win32.py to using the Python ctypes library
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96 |
('wShowWindow', _WORD), |
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port win32.py to using the Python ctypes library
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|
97 |
('cbReserved2', _WORD), |
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port win32.py to using the Python ctypes library
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98 |
('lpReserved2', ctypes.c_char_p), |
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port win32.py to using the Python ctypes library
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99 |
('hStdInput', _HANDLE), |
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port win32.py to using the Python ctypes library
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100 |
('hStdOutput', _HANDLE), |
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port win32.py to using the Python ctypes library
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101 |
('hStdError', _HANDLE)] |
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port win32.py to using the Python ctypes library
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102 |
|
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103 |
class _PROCESS_INFORMATION(ctypes.Structure): |
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port win32.py to using the Python ctypes library
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104 |
_fields_ = [('hProcess', _HANDLE), |
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port win32.py to using the Python ctypes library
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105 |
('hThread', _HANDLE), |
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port win32.py to using the Python ctypes library
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106 |
('dwProcessId', _DWORD), |
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port win32.py to using the Python ctypes library
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changeset
|
107 |
('dwThreadId', _DWORD)] |
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108 |
|
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_CREATE_NO_WINDOW = 0x08000000 |
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_SW_HIDE = 0 |
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111 |
|
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112 |
class _COORD(ctypes.Structure): |
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113 |
_fields_ = [('X', ctypes.c_short), |
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('Y', ctypes.c_short)] |
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115 |
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class _SMALL_RECT(ctypes.Structure): |
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_fields_ = [('Left', ctypes.c_short), |
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('Top', ctypes.c_short), |
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('Right', ctypes.c_short), |
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('Bottom', ctypes.c_short)] |
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121 |
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class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure): |
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123 |
_fields_ = [('dwSize', _COORD), |
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('dwCursorPosition', _COORD), |
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125 |
('wAttributes', _WORD), |
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('srWindow', _SMALL_RECT), |
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('dwMaximumWindowSize', _COORD)] |
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128 |
|
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_STD_ERROR_HANDLE = _DWORD(-12).value |
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|
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# CreateToolhelp32Snapshot, Process32First, Process32Next |
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_TH32CS_SNAPPROCESS = 0x00000002 |
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_MAX_PATH = 260 |
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|
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class _tagPROCESSENTRY32(ctypes.Structure): |
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_fields_ = [('dwsize', _DWORD), |
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137 |
('cntUsage', _DWORD), |
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138 |
('th32ProcessID', _DWORD), |
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('th32DefaultHeapID', ctypes.c_void_p), |
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140 |
('th32ModuleID', _DWORD), |
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141 |
('cntThreads', _DWORD), |
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142 |
('th32ParentProcessID', _DWORD), |
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143 |
('pcPriClassBase', _LONG), |
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144 |
('dwFlags', _DWORD), |
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145 |
('szExeFile', ctypes.c_char * _MAX_PATH)] |
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146 |
|
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147 |
def __init__(self): |
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super(_tagPROCESSENTRY32, self).__init__() |
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149 |
self.dwsize = ctypes.sizeof(self) |
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150 |
|
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151 |
|
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152 |
# types of parameters of C functions used (required by pypy) |
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153 |
|
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154 |
_kernel32.CreateFileA.argtypes = [_LPCSTR, _DWORD, _DWORD, ctypes.c_void_p, |
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155 |
_DWORD, _DWORD, _HANDLE] |
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156 |
_kernel32.CreateFileA.restype = _HANDLE |
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157 |
|
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158 |
_kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p] |
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159 |
_kernel32.GetFileInformationByHandle.restype = _BOOL |
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160 |
|
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161 |
_kernel32.CloseHandle.argtypes = [_HANDLE] |
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162 |
_kernel32.CloseHandle.restype = _BOOL |
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163 |
|
15095
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win32: quietly ignore missing CreateHardLinkA for Wine
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|
164 |
try: |
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|
165 |
_kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p] |
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|
166 |
_kernel32.CreateHardLinkA.restype = _BOOL |
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|
167 |
except AttributeError: |
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168 |
pass |
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|
169 |
|
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170 |
_kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD] |
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|
171 |
_kernel32.SetFileAttributesA.restype = _BOOL |
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|
172 |
|
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173 |
_kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD] |
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|
174 |
_kernel32.OpenProcess.restype = _HANDLE |
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|
175 |
|
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|
176 |
_kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p] |
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|
177 |
_kernel32.GetExitCodeProcess.restype = _BOOL |
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|
178 |
|
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|
179 |
_kernel32.GetLastError.argtypes = [] |
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|
180 |
_kernel32.GetLastError.restype = _DWORD |
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|
181 |
|
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|
182 |
_kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD] |
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|
183 |
_kernel32.GetModuleFileNameA.restype = _DWORD |
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|
184 |
|
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|
185 |
_kernel32.CreateProcessA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p, |
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|
186 |
ctypes.c_void_p, _BOOL, _DWORD, ctypes.c_void_p, _LPCSTR, ctypes.c_void_p, |
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187 |
ctypes.c_void_p] |
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|
188 |
_kernel32.CreateProcessA.restype = _BOOL |
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189 |
|
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|
190 |
_kernel32.ExitProcess.argtypes = [_UINT] |
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|
191 |
_kernel32.ExitProcess.restype = None |
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192 |
|
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|
193 |
_kernel32.GetCurrentProcessId.argtypes = [] |
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|
194 |
_kernel32.GetCurrentProcessId.restype = _DWORD |
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195 |
|
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196 |
_SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD) |
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|
197 |
_kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL] |
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198 |
_kernel32.SetConsoleCtrlHandler.restype = _BOOL |
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199 |
|
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200 |
_kernel32.GetStdHandle.argtypes = [_DWORD] |
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201 |
_kernel32.GetStdHandle.restype = _HANDLE |
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202 |
|
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203 |
_kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p] |
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204 |
_kernel32.GetConsoleScreenBufferInfo.restype = _BOOL |
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205 |
|
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|
206 |
_advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p] |
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|
207 |
_advapi32.GetUserNameA.restype = _BOOL |
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208 |
|
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209 |
_user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p] |
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210 |
_user32.GetWindowThreadProcessId.restype = _DWORD |
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|
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212 |
_user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int] |
bf9a105aed0a
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|
213 |
_user32.ShowWindow.restype = _BOOL |
bf9a105aed0a
win32.py: add argtypes and restype
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changeset
|
214 |
|
bf9a105aed0a
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changeset
|
215 |
_WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM) |
bf9a105aed0a
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changeset
|
216 |
_user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM] |
bf9a105aed0a
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changeset
|
217 |
_user32.EnumWindows.restype = _BOOL |
bf9a105aed0a
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diff
changeset
|
218 |
|
20425
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
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diff
changeset
|
219 |
_kernel32.CreateToolhelp32Snapshot.argtypes = [_DWORD, _DWORD] |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
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|
220 |
_kernel32.CreateToolhelp32Snapshot.restype = _BOOL |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
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parents:
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diff
changeset
|
221 |
|
24652
232bf0028596
win32: add a method to fetch the available pipe data size
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parents:
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changeset
|
222 |
_kernel32.PeekNamedPipe.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD, |
232bf0028596
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parents:
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changeset
|
223 |
ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p] |
232bf0028596
win32: add a method to fetch the available pipe data size
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parents:
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diff
changeset
|
224 |
_kernel32.PeekNamedPipe.restype = _BOOL |
232bf0028596
win32: add a method to fetch the available pipe data size
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parents:
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diff
changeset
|
225 |
|
20425
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
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diff
changeset
|
226 |
_kernel32.Process32First.argtypes = [_HANDLE, ctypes.c_void_p] |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
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diff
changeset
|
227 |
_kernel32.Process32First.restype = _BOOL |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
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parents:
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diff
changeset
|
228 |
|
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
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|
229 |
_kernel32.Process32Next.argtypes = [_HANDLE, ctypes.c_void_p] |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
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changeset
|
230 |
_kernel32.Process32Next.restype = _BOOL |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
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diff
changeset
|
231 |
|
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
232 |
def _raiseoserror(name): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
233 |
err = ctypes.WinError() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
234 |
raise OSError(err.errno, '%s: %s' % (name, err.strerror)) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
235 |
|
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
236 |
def _getfileinfo(name): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
237 |
fh = _kernel32.CreateFileA(name, 0, |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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|
238 |
_FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE, |
17006
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
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parents:
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|
239 |
None, _OPEN_EXISTING, _FILE_FLAG_BACKUP_SEMANTICS, None) |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
240 |
if fh == _INVALID_HANDLE_VALUE: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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changeset
|
241 |
_raiseoserror(name) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
242 |
try: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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changeset
|
243 |
fi = _BY_HANDLE_FILE_INFORMATION() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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changeset
|
244 |
if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
245 |
_raiseoserror(name) |
f1fa8f481c7c
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parents:
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diff
changeset
|
246 |
return fi |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
247 |
finally: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
248 |
_kernel32.CloseHandle(fh) |
2054
e18beba54a7e
fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
249 |
|
14235
b9e1b041744f
rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents:
14230
diff
changeset
|
250 |
def oslink(src, dst): |
13976
9ca1ff3d4f8c
win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents:
13795
diff
changeset
|
251 |
try: |
9ca1ff3d4f8c
win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents:
13795
diff
changeset
|
252 |
if not _kernel32.CreateHardLinkA(dst, src, None): |
9ca1ff3d4f8c
win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents:
13795
diff
changeset
|
253 |
_raiseoserror(src) |
9ca1ff3d4f8c
win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents:
13795
diff
changeset
|
254 |
except AttributeError: # Wine doesn't support this function |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
255 |
_raiseoserror(src) |
2054
e18beba54a7e
fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
256 |
|
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
257 |
def nlinks(name): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
258 |
'''return number of hardlinks for the given file''' |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
259 |
return _getfileinfo(name).nNumberOfLinks |
2054
e18beba54a7e
fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
260 |
|
17006
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
261 |
def samefile(path1, path2): |
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
262 |
'''Returns whether path1 and path2 refer to the same file or directory.''' |
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
263 |
res1 = _getfileinfo(path1) |
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
264 |
res2 = _getfileinfo(path2) |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
265 |
return (res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
266 |
and res1.nFileIndexHigh == res2.nFileIndexHigh |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
267 |
and res1.nFileIndexLow == res2.nFileIndexLow) |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9198
diff
changeset
|
268 |
|
17006
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
269 |
def samedevice(path1, path2): |
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
270 |
'''Returns whether path1 and path2 are on the same device.''' |
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
271 |
res1 = _getfileinfo(path1) |
6fc7fd72ba3e
win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents:
16807
diff
changeset
|
272 |
res2 = _getfileinfo(path2) |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
273 |
return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
10218
750b7a4f01f6
Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents:
9198
diff
changeset
|
274 |
|
24652
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
275 |
def peekpipe(pipe): |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
276 |
handle = msvcrt.get_osfhandle(pipe.fileno()) |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
277 |
avail = _DWORD() |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
278 |
|
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
279 |
if not _kernel32.PeekNamedPipe(handle, None, 0, None, ctypes.byref(avail), |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
280 |
None): |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
281 |
err = _kernel32.GetLastError() |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
282 |
if err == _ERROR_BROKEN_PIPE: |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
283 |
return 0 |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
284 |
raise ctypes.WinError(err) |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
285 |
|
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
286 |
return avail.value |
232bf0028596
win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents:
24494
diff
changeset
|
287 |
|
2054
e18beba54a7e
fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
288 |
def testpid(pid): |
e18beba54a7e
fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
289 |
'''return True if pid is still running or unable to |
e18beba54a7e
fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
290 |
determine, False otherwise''' |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
291 |
h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
292 |
if h: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
293 |
try: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
294 |
status = _DWORD() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
295 |
if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
296 |
return status.value == _STILL_ACTIVE |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
297 |
finally: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
298 |
_kernel32.CloseHandle(h) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
299 |
return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER |
2054
e18beba54a7e
fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
300 |
|
14236
e949a008999d
rename util.executable_path to executablepath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14235
diff
changeset
|
301 |
def executablepath(): |
13376
60b5c6c3fd12
win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents:
13375
diff
changeset
|
302 |
'''return full path of hg.exe''' |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
303 |
size = 600 |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
304 |
buf = ctypes.create_string_buffer(size + 1) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
305 |
len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
306 |
if len == 0: |
24494
f2b87f4856bf
win32: add comment about WinError
Adrian Buehlmann <adrian@cadifra.com>
parents:
24418
diff
changeset
|
307 |
raise ctypes.WinError() # Note: WinError is a function |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
308 |
elif len == size: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
309 |
raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER) |
13376
60b5c6c3fd12
win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents:
13375
diff
changeset
|
310 |
return buf.value |
60b5c6c3fd12
win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents:
13375
diff
changeset
|
311 |
|
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7778
diff
changeset
|
312 |
def getuser(): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7778
diff
changeset
|
313 |
'''return name of current user''' |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
314 |
size = _DWORD(300) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
315 |
buf = ctypes.create_string_buffer(size.value + 1) |
14345
bf9a105aed0a
win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents:
14344
diff
changeset
|
316 |
if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)): |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
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parents:
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diff
changeset
|
317 |
raise ctypes.WinError() |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
318 |
return buf.value |
4672
272c0a09b203
Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents:
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diff
changeset
|
319 |
|
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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parents:
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diff
changeset
|
320 |
_signalhandler = [] |
13375
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port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
321 |
|
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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parents:
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diff
changeset
|
322 |
def setsignalhandler(): |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
323 |
'''Register a termination handler for console events including |
4672
272c0a09b203
Handle CTRL+C in serve under Windows.
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parents:
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diff
changeset
|
324 |
CTRL+C. python signal handlers do not work well with socket |
272c0a09b203
Handle CTRL+C in serve under Windows.
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parents:
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diff
changeset
|
325 |
operations. |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
326 |
''' |
4672
272c0a09b203
Handle CTRL+C in serve under Windows.
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parents:
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diff
changeset
|
327 |
def handler(event): |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
328 |
_kernel32.ExitProcess(1) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
329 |
|
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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parents:
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diff
changeset
|
330 |
if _signalhandler: |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
331 |
return # already registered |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
332 |
h = _SIGNAL_HANDLER(handler) |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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parents:
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diff
changeset
|
333 |
_signalhandler.append(h) # needed to prevent garbage collection |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
13374
diff
changeset
|
334 |
if not _kernel32.SetConsoleCtrlHandler(h, True): |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
21226
diff
changeset
|
335 |
raise ctypes.WinError() |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
336 |
|
10240
3af4b39afe2a
cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents:
10219
diff
changeset
|
337 |
def hidewindow(): |
3af4b39afe2a
cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents:
10219
diff
changeset
|
338 |
|
13375
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port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
339 |
def callback(hwnd, pid): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
340 |
wpid = _DWORD() |
14345
bf9a105aed0a
win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
341 |
_user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid)) |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
342 |
if pid == wpid.value: |
14345
bf9a105aed0a
win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
343 |
_user32.ShowWindow(hwnd, _SW_HIDE) |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
344 |
return False # stop enumerating windows |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
345 |
return True |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
346 |
|
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
347 |
pid = _kernel32.GetCurrentProcessId() |
14345
bf9a105aed0a
win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
348 |
_user32.EnumWindows(_WNDENUMPROC(callback), pid) |
11012
81631f0cf13b
win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10388
diff
changeset
|
349 |
|
12689
c52c629ce19e
termwidth: move to ui.ui from util
Augie Fackler <durin42@gmail.com>
parents:
12401
diff
changeset
|
350 |
def termwidth(): |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
351 |
# cmd.exe does not handle CR like a unix console, the CR is |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
352 |
# counted in the line length. On 80 columns consoles, if 80 |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
353 |
# characters are written, the following CR won't apply on the |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
354 |
# current line but on the new one. Keep room for it. |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
355 |
width = 79 |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
356 |
# Query stderr to avoid problems with redirections |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
357 |
screenbuf = _kernel32.GetStdHandle( |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
358 |
_STD_ERROR_HANDLE) # don't close the handle returned |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
359 |
if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
360 |
return width |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
361 |
csbi = _CONSOLE_SCREEN_BUFFER_INFO() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
362 |
if not _kernel32.GetConsoleScreenBufferInfo( |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
363 |
screenbuf, ctypes.byref(csbi)): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
364 |
return width |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
365 |
width = csbi.srWindow.Right - csbi.srWindow.Left |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
366 |
return width |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
367 |
|
20425
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
368 |
def _1stchild(pid): |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
369 |
'''return the 1st found child of the given pid |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
370 |
|
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
371 |
None is returned when no child is found''' |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
372 |
pe = _tagPROCESSENTRY32() |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
373 |
|
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
374 |
# create handle to list all processes |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
375 |
ph = _kernel32.CreateToolhelp32Snapshot(_TH32CS_SNAPPROCESS, 0) |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
376 |
if ph == _INVALID_HANDLE_VALUE: |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
21226
diff
changeset
|
377 |
raise ctypes.WinError() |
20425
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
378 |
try: |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
379 |
r = _kernel32.Process32First(ph, ctypes.byref(pe)) |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
380 |
# loop over all processes |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
381 |
while r: |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
382 |
if pe.th32ParentProcessID == pid: |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
383 |
# return first child found |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
384 |
return pe.th32ProcessID |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
385 |
r = _kernel32.Process32Next(ph, ctypes.byref(pe)) |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
386 |
finally: |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
387 |
_kernel32.CloseHandle(ph) |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
388 |
if _kernel32.GetLastError() != _ERROR_NO_MORE_FILES: |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
21226
diff
changeset
|
389 |
raise ctypes.WinError() |
20425
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
390 |
return None # no child found |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
391 |
|
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
392 |
class _tochildpid(int): # pid is _DWORD, which always matches in an int |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
393 |
'''helper for spawndetached, returns the child pid on conversion to string |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
394 |
|
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
395 |
Does not resolve the child pid immediately because the child may not yet be |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
396 |
started. |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
397 |
''' |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
398 |
def childpid(self): |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
399 |
'''returns the child pid of the first found child of the process |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
400 |
with this pid''' |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
401 |
return _1stchild(self) |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
402 |
def __str__(self): |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
403 |
# run when the pid is written to the file |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
404 |
ppid = self.childpid() |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
405 |
if ppid is None: |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
406 |
# race, child has exited since check |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
407 |
# fall back to this pid. Its process will also have disappeared, |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
408 |
# raising the same error type later as when the child pid would |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
409 |
# be returned. |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
410 |
return " %d" % self |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
411 |
return str(ppid) |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
412 |
|
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
413 |
def spawndetached(args): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
414 |
# No standard library function really spawns a fully detached |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
415 |
# process under win32 because they allocate pipes or other objects |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
416 |
# to handle standard streams communications. Passing these objects |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
417 |
# to the child process requires handle inheritance to be enabled |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
418 |
# which makes really detached processes impossible. |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
419 |
si = _STARTUPINFO() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
420 |
si.cb = ctypes.sizeof(_STARTUPINFO) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
421 |
|
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
422 |
pi = _PROCESS_INFORMATION() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
423 |
|
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
424 |
env = '' |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
425 |
for k in os.environ: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
426 |
env += "%s=%s\0" % (k, os.environ[k]) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
427 |
if not env: |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
428 |
env = '\0' |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
429 |
env += '\0' |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
430 |
|
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
431 |
args = subprocess.list2cmdline(args) |
17428
72803c8edaa4
avoid using abbreviations that look like spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17051
diff
changeset
|
432 |
# Not running the command in shell mode makes Python 2.6 hang when |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
433 |
# writing to hgweb output socket. |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
434 |
comspec = os.environ.get("COMSPEC", "cmd.exe") |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
435 |
args = comspec + " /c " + args |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
436 |
|
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
437 |
res = _kernel32.CreateProcessA( |
17050
e780fb37168b
win32: specify _CREATE_NO_WINDOW on spawndetached()
Adrian Buehlmann <adrian@cadifra.com>
parents:
17006
diff
changeset
|
438 |
None, args, None, None, False, _CREATE_NO_WINDOW, |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
439 |
env, os.getcwd(), ctypes.byref(si), ctypes.byref(pi)) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
440 |
if not res: |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
21226
diff
changeset
|
441 |
raise ctypes.WinError() |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
13374
diff
changeset
|
442 |
|
20425
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
443 |
# _tochildpid because the process is the child of COMSPEC |
ca6aa8362f33
win32: spawndetached returns pid of detached process and not of cmd.exe
Simon Heimberg <simohe@besonet.ch>
parents:
19159
diff
changeset
|
444 |
return _tochildpid(pi.dwProcessId) |
13775
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
445 |
|
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
446 |
def unlink(f): |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
447 |
'''try to implement POSIX' unlink semantics on Windows''' |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
448 |
|
21226
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
449 |
if os.path.isdir(f): |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
450 |
# use EPERM because it is POSIX prescribed value, even though |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
451 |
# unlink(2) on directories returns EISDIR on Linux |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
452 |
raise IOError(errno.EPERM, |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
453 |
"Unlinking directory not permitted: '%s'" % f) |
19159
1b329f8c7b24
windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18959
diff
changeset
|
454 |
|
13775
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
455 |
# POSIX allows to unlink and rename open files. Windows has serious |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
456 |
# problems with doing that: |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
457 |
# - Calling os.unlink (or os.rename) on a file f fails if f or any |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
458 |
# hardlinked copy of f has been opened with Python's open(). There is no |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
459 |
# way such a file can be deleted or renamed on Windows (other than |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
460 |
# scheduling the delete or rename for the next reboot). |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
461 |
# - Calling os.unlink on a file that has been opened with Mercurial's |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
462 |
# posixfile (or comparable methods) will delay the actual deletion of |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
463 |
# the file for as long as the file is held open. The filename is blocked |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
464 |
# during that time and cannot be used for recreating a new file under |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
465 |
# that same name ("zombie file"). Directories containing such zombie files |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
466 |
# cannot be removed or moved. |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
467 |
# A file that has been opened with posixfile can be renamed, so we rename |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
468 |
# f to a random temporary name before calling os.unlink on it. This allows |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
469 |
# callers to recreate f immediately while having other readers do their |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
470 |
# implicit zombie filename blocking on a temporary name. |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
471 |
|
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
472 |
for tries in xrange(10): |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
473 |
temp = '%s-%08x' % (f, random.randint(0, 0xffffffff)) |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
474 |
try: |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
475 |
os.rename(f, temp) # raises OSError EEXIST if temp exists |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
476 |
break |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24652
diff
changeset
|
477 |
except OSError as e: |
13775
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
478 |
if e.errno != errno.EEXIST: |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
479 |
raise |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
480 |
else: |
18175
fd3f8b87b682
win32: clean up use of two-argument raise
Augie Fackler <raf@durin42.com>
parents:
17428
diff
changeset
|
481 |
raise IOError(errno.EEXIST, "No usable temporary filename found") |
13775
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
482 |
|
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
483 |
try: |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
13379
diff
changeset
|
484 |
os.unlink(temp) |
13776
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
485 |
except OSError: |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
486 |
# The unlink might have failed because the READONLY attribute may heave |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
487 |
# been set on the original file. Rename works fine with READONLY set, |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
488 |
# but not os.unlink. Reset all attributes and try again. |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
489 |
_kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL) |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
490 |
try: |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
491 |
os.unlink(temp) |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
492 |
except OSError: |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
493 |
# The unlink might have failed due to some very rude AV-Scanners. |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
494 |
# Leaking a tempfile is the lesser evil than aborting here and |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
495 |
# leaving some potentially serious inconsistencies. |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
diff
changeset
|
496 |
pass |
13795
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13776
diff
changeset
|
497 |
|
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13776
diff
changeset
|
498 |
def makedir(path, notindexed): |
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13776
diff
changeset
|
499 |
os.mkdir(path) |
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13776
diff
changeset
|
500 |
if notindexed: |
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13776
diff
changeset
|
501 |
_kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED) |