Mercurial > hg
annotate mercurial/win32.py @ 20555:4add43865a9b
ancestors: remove unnecessary handling of 'left'
If one of the initial nodes also is an ancestor then that most be the only
ancestor. There is no need for additional bookkeeping.
author | Mads Kiilerich <madski@unity3d.com> |
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date | Mon, 24 Feb 2014 22:42:13 +0100 |
parents | 1a9ebc83a74c |
children | 07f9825865de |
rev | line source |
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1 # win32.py - utility functions that use win32 API |
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2 # |
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 import ctypes, errno, os, subprocess, random |
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9 |
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10 _kernel32 = ctypes.windll.kernel32 |
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11 _advapi32 = ctypes.windll.advapi32 |
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12 _user32 = ctypes.windll.user32 |
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13 |
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14 _BOOL = ctypes.c_long |
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15 _WORD = ctypes.c_ushort |
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16 _DWORD = ctypes.c_ulong |
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17 _UINT = ctypes.c_uint |
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18 _LONG = ctypes.c_long |
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19 _LPCSTR = _LPSTR = ctypes.c_char_p |
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20 _HANDLE = ctypes.c_void_p |
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21 _HWND = _HANDLE |
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22 |
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23 _INVALID_HANDLE_VALUE = _HANDLE(-1).value |
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24 |
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25 # GetLastError |
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26 _ERROR_SUCCESS = 0 |
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27 _ERROR_SHARING_VIOLATION = 32 |
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28 _ERROR_INVALID_PARAMETER = 87 |
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29 _ERROR_INSUFFICIENT_BUFFER = 122 |
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30 |
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31 # WPARAM is defined as UINT_PTR (unsigned type) |
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32 # LPARAM is defined as LONG_PTR (signed type) |
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33 if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p): |
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34 _WPARAM = ctypes.c_ulong |
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35 _LPARAM = ctypes.c_long |
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36 elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p): |
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37 _WPARAM = ctypes.c_ulonglong |
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38 _LPARAM = ctypes.c_longlong |
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39 |
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40 class _FILETIME(ctypes.Structure): |
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41 _fields_ = [('dwLowDateTime', _DWORD), |
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42 ('dwHighDateTime', _DWORD)] |
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43 |
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44 class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure): |
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45 _fields_ = [('dwFileAttributes', _DWORD), |
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46 ('ftCreationTime', _FILETIME), |
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47 ('ftLastAccessTime', _FILETIME), |
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48 ('ftLastWriteTime', _FILETIME), |
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49 ('dwVolumeSerialNumber', _DWORD), |
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50 ('nFileSizeHigh', _DWORD), |
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51 ('nFileSizeLow', _DWORD), |
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52 ('nNumberOfLinks', _DWORD), |
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53 ('nFileIndexHigh', _DWORD), |
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54 ('nFileIndexLow', _DWORD)] |
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55 |
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56 # CreateFile |
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57 _FILE_SHARE_READ = 0x00000001 |
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58 _FILE_SHARE_WRITE = 0x00000002 |
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59 _FILE_SHARE_DELETE = 0x00000004 |
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60 |
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61 _OPEN_EXISTING = 3 |
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62 |
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63 _FILE_FLAG_OPEN_REPARSE_POINT = 0x00200000 |
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64 _FILE_FLAG_BACKUP_SEMANTICS = 0x02000000 |
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65 _FILE_FLAG_DELETE_ON_CLOSE = 0x04000000 |
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66 |
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67 # SetFileAttributes |
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68 _FILE_ATTRIBUTE_NORMAL = 0x80 |
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69 _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000 |
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70 |
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71 # Process Security and Access Rights |
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72 _PROCESS_QUERY_INFORMATION = 0x0400 |
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73 |
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74 # GetExitCodeProcess |
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75 _STILL_ACTIVE = 259 |
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76 |
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77 class _STARTUPINFO(ctypes.Structure): |
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78 _fields_ = [('cb', _DWORD), |
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79 ('lpReserved', _LPSTR), |
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80 ('lpDesktop', _LPSTR), |
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81 ('lpTitle', _LPSTR), |
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82 ('dwX', _DWORD), |
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83 ('dwY', _DWORD), |
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84 ('dwXSize', _DWORD), |
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85 ('dwYSize', _DWORD), |
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86 ('dwXCountChars', _DWORD), |
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87 ('dwYCountChars', _DWORD), |
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88 ('dwFillAttribute', _DWORD), |
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89 ('dwFlags', _DWORD), |
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90 ('wShowWindow', _WORD), |
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91 ('cbReserved2', _WORD), |
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92 ('lpReserved2', ctypes.c_char_p), |
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93 ('hStdInput', _HANDLE), |
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94 ('hStdOutput', _HANDLE), |
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95 ('hStdError', _HANDLE)] |
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96 |
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97 class _PROCESS_INFORMATION(ctypes.Structure): |
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98 _fields_ = [('hProcess', _HANDLE), |
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99 ('hThread', _HANDLE), |
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100 ('dwProcessId', _DWORD), |
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101 ('dwThreadId', _DWORD)] |
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102 |
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103 _CREATE_NO_WINDOW = 0x08000000 |
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104 _SW_HIDE = 0 |
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105 |
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106 class _COORD(ctypes.Structure): |
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107 _fields_ = [('X', ctypes.c_short), |
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108 ('Y', ctypes.c_short)] |
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109 |
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110 class _SMALL_RECT(ctypes.Structure): |
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111 _fields_ = [('Left', ctypes.c_short), |
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112 ('Top', ctypes.c_short), |
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113 ('Right', ctypes.c_short), |
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114 ('Bottom', ctypes.c_short)] |
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115 |
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116 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure): |
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117 _fields_ = [('dwSize', _COORD), |
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118 ('dwCursorPosition', _COORD), |
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119 ('wAttributes', _WORD), |
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120 ('srWindow', _SMALL_RECT), |
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121 ('dwMaximumWindowSize', _COORD)] |
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122 |
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123 _STD_ERROR_HANDLE = _DWORD(-12).value |
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124 |
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125 # CreateToolhelp32Snapshot, Process32First, Process32Next |
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126 _TH32CS_SNAPPROCESS = 0x00000002 |
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127 _MAX_PATH = 260 |
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128 |
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129 class _tagPROCESSENTRY32(ctypes.Structure): |
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130 _fields_ = [('dwsize', _DWORD), |
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131 ('cntUsage', _DWORD), |
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132 ('th32ProcessID', _DWORD), |
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133 ('th32DefaultHeapID', ctypes.c_void_p), |
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134 ('th32ModuleID', _DWORD), |
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135 ('cntThreads', _DWORD), |
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136 ('th32ParentProcessID', _DWORD), |
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137 ('pcPriClassBase', _LONG), |
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138 ('dwFlags', _DWORD), |
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139 ('szExeFile', ctypes.c_char * _MAX_PATH)] |
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140 |
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141 def __init__(self): |
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142 super(_tagPROCESSENTRY32, self).__init__() |
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143 self.dwsize = ctypes.sizeof(self) |
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144 |
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145 |
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146 # types of parameters of C functions used (required by pypy) |
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147 |
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148 _kernel32.CreateFileA.argtypes = [_LPCSTR, _DWORD, _DWORD, ctypes.c_void_p, |
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149 _DWORD, _DWORD, _HANDLE] |
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150 _kernel32.CreateFileA.restype = _HANDLE |
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151 |
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152 _kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p] |
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153 _kernel32.GetFileInformationByHandle.restype = _BOOL |
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154 |
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155 _kernel32.CloseHandle.argtypes = [_HANDLE] |
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156 _kernel32.CloseHandle.restype = _BOOL |
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157 |
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158 try: |
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159 _kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p] |
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160 _kernel32.CreateHardLinkA.restype = _BOOL |
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161 except AttributeError: |
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162 pass |
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163 |
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164 _kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD] |
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165 _kernel32.SetFileAttributesA.restype = _BOOL |
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166 |
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167 _kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD] |
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168 _kernel32.OpenProcess.restype = _HANDLE |
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169 |
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170 _kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p] |
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171 _kernel32.GetExitCodeProcess.restype = _BOOL |
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172 |
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173 _kernel32.GetLastError.argtypes = [] |
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174 _kernel32.GetLastError.restype = _DWORD |
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175 |
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176 _kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD] |
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177 _kernel32.GetModuleFileNameA.restype = _DWORD |
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178 |
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179 _kernel32.CreateProcessA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p, |
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180 ctypes.c_void_p, _BOOL, _DWORD, ctypes.c_void_p, _LPCSTR, ctypes.c_void_p, |
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181 ctypes.c_void_p] |
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182 _kernel32.CreateProcessA.restype = _BOOL |
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183 |
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184 _kernel32.ExitProcess.argtypes = [_UINT] |
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185 _kernel32.ExitProcess.restype = None |
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186 |
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187 _kernel32.GetCurrentProcessId.argtypes = [] |
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188 _kernel32.GetCurrentProcessId.restype = _DWORD |
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189 |
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190 _SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD) |
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191 _kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL] |
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192 _kernel32.SetConsoleCtrlHandler.restype = _BOOL |
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193 |
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194 _kernel32.GetStdHandle.argtypes = [_DWORD] |
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195 _kernel32.GetStdHandle.restype = _HANDLE |
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196 |
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197 _kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p] |
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198 _kernel32.GetConsoleScreenBufferInfo.restype = _BOOL |
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199 |
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200 _advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p] |
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201 _advapi32.GetUserNameA.restype = _BOOL |
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202 |
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203 _user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p] |
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204 _user32.GetWindowThreadProcessId.restype = _DWORD |
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205 |
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206 _user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int] |
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207 _user32.ShowWindow.restype = _BOOL |
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208 |
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209 _WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM) |
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210 _user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM] |
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211 _user32.EnumWindows.restype = _BOOL |
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212 |
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213 _kernel32.CreateToolhelp32Snapshot.argtypes = [_DWORD, _DWORD] |
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214 _kernel32.CreateToolhelp32Snapshot.restype = _BOOL |
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215 |
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216 _kernel32.Process32First.argtypes = [_HANDLE, ctypes.c_void_p] |
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217 _kernel32.Process32First.restype = _BOOL |
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218 |
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219 _kernel32.Process32Next.argtypes = [_HANDLE, ctypes.c_void_p] |
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220 _kernel32.Process32Next.restype = _BOOL |
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221 |
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222 def _raiseoserror(name): |
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223 err = ctypes.WinError() |
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224 raise OSError(err.errno, '%s: %s' % (name, err.strerror)) |
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225 |
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226 def _getfileinfo(name): |
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227 fh = _kernel32.CreateFileA(name, 0, |
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228 _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE, |
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229 None, _OPEN_EXISTING, _FILE_FLAG_BACKUP_SEMANTICS, None) |
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230 if fh == _INVALID_HANDLE_VALUE: |
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231 _raiseoserror(name) |
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232 try: |
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233 fi = _BY_HANDLE_FILE_INFORMATION() |
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234 if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)): |
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235 _raiseoserror(name) |
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236 return fi |
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237 finally: |
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238 _kernel32.CloseHandle(fh) |
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239 |
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240 def oslink(src, dst): |
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241 try: |
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242 if not _kernel32.CreateHardLinkA(dst, src, None): |
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243 _raiseoserror(src) |
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244 except AttributeError: # Wine doesn't support this function |
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245 _raiseoserror(src) |
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246 |
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247 def nlinks(name): |
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248 '''return number of hardlinks for the given file''' |
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249 return _getfileinfo(name).nNumberOfLinks |
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250 |
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251 def samefile(path1, path2): |
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252 '''Returns whether path1 and path2 refer to the same file or directory.''' |
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253 res1 = _getfileinfo(path1) |
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254 res2 = _getfileinfo(path2) |
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255 return (res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
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256 and res1.nFileIndexHigh == res2.nFileIndexHigh |
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257 and res1.nFileIndexLow == res2.nFileIndexLow) |
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258 |
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259 def samedevice(path1, path2): |
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260 '''Returns whether path1 and path2 are on the same device.''' |
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261 res1 = _getfileinfo(path1) |
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262 res2 = _getfileinfo(path2) |
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263 return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
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264 |
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265 def testpid(pid): |
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266 '''return True if pid is still running or unable to |
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267 determine, False otherwise''' |
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268 h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid) |
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269 if h: |
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270 try: |
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271 status = _DWORD() |
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272 if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)): |
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273 return status.value == _STILL_ACTIVE |
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274 finally: |
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275 _kernel32.CloseHandle(h) |
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276 return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER |
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277 |
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278 def executablepath(): |
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279 '''return full path of hg.exe''' |
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280 size = 600 |
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281 buf = ctypes.create_string_buffer(size + 1) |
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282 len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size) |
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283 if len == 0: |
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284 raise ctypes.WinError |
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285 elif len == size: |
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286 raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER) |
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287 return buf.value |
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288 |
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289 def getuser(): |
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290 '''return name of current user''' |
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291 size = _DWORD(300) |
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292 buf = ctypes.create_string_buffer(size.value + 1) |
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293 if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)): |
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294 raise ctypes.WinError |
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295 return buf.value |
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296 |
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297 _signalhandler = [] |
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298 |
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299 def setsignalhandler(): |
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300 '''Register a termination handler for console events including |
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301 CTRL+C. python signal handlers do not work well with socket |
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302 operations. |
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303 ''' |
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304 def handler(event): |
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305 _kernel32.ExitProcess(1) |
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306 |
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307 if _signalhandler: |
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308 return # already registered |
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309 h = _SIGNAL_HANDLER(handler) |
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310 _signalhandler.append(h) # needed to prevent garbage collection |
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311 if not _kernel32.SetConsoleCtrlHandler(h, True): |
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312 raise ctypes.WinError |
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313 |
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cmdutil: hide child window created by win32 spawndetached()
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314 def hidewindow(): |
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315 |
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316 def callback(hwnd, pid): |
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317 wpid = _DWORD() |
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318 _user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid)) |
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319 if pid == wpid.value: |
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320 _user32.ShowWindow(hwnd, _SW_HIDE) |
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321 return False # stop enumerating windows |
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322 return True |
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323 |
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324 pid = _kernel32.GetCurrentProcessId() |
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325 _user32.EnumWindows(_WNDENUMPROC(callback), pid) |
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326 |
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327 def termwidth(): |
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328 # cmd.exe does not handle CR like a unix console, the CR is |
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329 # counted in the line length. On 80 columns consoles, if 80 |
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330 # characters are written, the following CR won't apply on the |
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331 # current line but on the new one. Keep room for it. |
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332 width = 79 |
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333 # Query stderr to avoid problems with redirections |
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334 screenbuf = _kernel32.GetStdHandle( |
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335 _STD_ERROR_HANDLE) # don't close the handle returned |
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336 if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE: |
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337 return width |
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338 csbi = _CONSOLE_SCREEN_BUFFER_INFO() |
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339 if not _kernel32.GetConsoleScreenBufferInfo( |
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340 screenbuf, ctypes.byref(csbi)): |
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341 return width |
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342 width = csbi.srWindow.Right - csbi.srWindow.Left |
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343 return width |
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344 |
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345 def _1stchild(pid): |
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346 '''return the 1st found child of the given pid |
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347 |
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348 None is returned when no child is found''' |
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349 pe = _tagPROCESSENTRY32() |
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350 |
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351 # create handle to list all processes |
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352 ph = _kernel32.CreateToolhelp32Snapshot(_TH32CS_SNAPPROCESS, 0) |
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353 if ph == _INVALID_HANDLE_VALUE: |
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354 raise ctypes.WinError |
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355 try: |
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356 r = _kernel32.Process32First(ph, ctypes.byref(pe)) |
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357 # loop over all processes |
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358 while r: |
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359 if pe.th32ParentProcessID == pid: |
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360 # return first child found |
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361 return pe.th32ProcessID |
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362 r = _kernel32.Process32Next(ph, ctypes.byref(pe)) |
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363 finally: |
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364 _kernel32.CloseHandle(ph) |
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365 if _kernel32.GetLastError() != _ERROR_NO_MORE_FILES: |
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366 raise ctypes.WinError |
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367 return None # no child found |
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368 |
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369 class _tochildpid(int): # pid is _DWORD, which always matches in an int |
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370 '''helper for spawndetached, returns the child pid on conversion to string |
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371 |
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372 Does not resolve the child pid immediately because the child may not yet be |
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373 started. |
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374 ''' |
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375 def childpid(self): |
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376 '''returns the child pid of the first found child of the process |
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377 with this pid''' |
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378 return _1stchild(self) |
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379 def __str__(self): |
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380 # run when the pid is written to the file |
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381 ppid = self.childpid() |
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382 if ppid is None: |
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383 # race, child has exited since check |
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384 # fall back to this pid. Its process will also have disappeared, |
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385 # raising the same error type later as when the child pid would |
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386 # be returned. |
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387 return " %d" % self |
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388 return str(ppid) |
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389 |
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390 def spawndetached(args): |
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391 # No standard library function really spawns a fully detached |
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392 # process under win32 because they allocate pipes or other objects |
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393 # to handle standard streams communications. Passing these objects |
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394 # to the child process requires handle inheritance to be enabled |
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395 # which makes really detached processes impossible. |
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396 si = _STARTUPINFO() |
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397 si.cb = ctypes.sizeof(_STARTUPINFO) |
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398 |
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399 pi = _PROCESS_INFORMATION() |
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400 |
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401 env = '' |
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402 for k in os.environ: |
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403 env += "%s=%s\0" % (k, os.environ[k]) |
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404 if not env: |
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405 env = '\0' |
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406 env += '\0' |
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407 |
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408 args = subprocess.list2cmdline(args) |
17428
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avoid using abbreviations that look like spelling errors
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409 # Not running the command in shell mode makes Python 2.6 hang when |
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410 # writing to hgweb output socket. |
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411 comspec = os.environ.get("COMSPEC", "cmd.exe") |
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412 args = comspec + " /c " + args |
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413 |
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414 res = _kernel32.CreateProcessA( |
17050
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415 None, args, None, None, False, _CREATE_NO_WINDOW, |
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416 env, os.getcwd(), ctypes.byref(si), ctypes.byref(pi)) |
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417 if not res: |
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cleanup: "raise SomeException()" -> "raise SomeException"
Brodie Rao <brodie@sf.io>
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418 raise ctypes.WinError |
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419 |
20425
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420 # _tochildpid because the process is the child of COMSPEC |
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421 return _tochildpid(pi.dwProcessId) |
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422 |
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423 def unlink(f): |
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424 '''try to implement POSIX' unlink semantics on Windows''' |
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425 |
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426 # If we can open f exclusively, no other processes must have open handles |
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427 # for it and we can expect its name will be deleted immediately when we |
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428 # close the handle unless we have another in the same process. We also |
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429 # expect we shall simply fail to open f if it is a directory. |
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430 fh = _kernel32.CreateFileA(f, 0, 0, None, _OPEN_EXISTING, |
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431 _FILE_FLAG_OPEN_REPARSE_POINT | _FILE_FLAG_DELETE_ON_CLOSE, None) |
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432 if fh != _INVALID_HANDLE_VALUE: |
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433 _kernel32.CloseHandle(fh) |
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434 return |
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win32: improve the performance of win32.unlink() over CIFS
Kaz Nishimura <kazssym@vx68k.org>
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435 error = _kernel32.GetLastError() |
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win32: improve the performance of win32.unlink() over CIFS
Kaz Nishimura <kazssym@vx68k.org>
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20425
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436 if error != _ERROR_SHARING_VIOLATION: |
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win32: improve the performance of win32.unlink() over CIFS
Kaz Nishimura <kazssym@vx68k.org>
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437 raise ctypes.WinError(error) |
19159
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windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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438 |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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439 # POSIX allows to unlink and rename open files. Windows has serious |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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440 # problems with doing that: |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
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441 # - Calling os.unlink (or os.rename) on a file f fails if f or any |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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442 # hardlinked copy of f has been opened with Python's open(). There is no |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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443 # way such a file can be deleted or renamed on Windows (other than |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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444 # scheduling the delete or rename for the next reboot). |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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445 # - Calling os.unlink on a file that has been opened with Mercurial's |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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446 # posixfile (or comparable methods) will delay the actual deletion of |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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447 # the file for as long as the file is held open. The filename is blocked |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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448 # during that time and cannot be used for recreating a new file under |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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449 # that same name ("zombie file"). Directories containing such zombie files |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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450 # cannot be removed or moved. |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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451 # A file that has been opened with posixfile can be renamed, so we rename |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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452 # 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:
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453 # callers to recreate f immediately while having other readers do their |
930efdc6bfa4
windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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454 # implicit zombie filename blocking on a temporary name. |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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455 |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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456 for tries in xrange(10): |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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457 temp = '%s-%08x' % (f, random.randint(0, 0xffffffff)) |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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458 try: |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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459 os.rename(f, temp) # raises OSError EEXIST if temp exists |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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460 break |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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461 except OSError, e: |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
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462 if e.errno != errno.EEXIST: |
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Adrian Buehlmann <adrian@cadifra.com>
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463 raise |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
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464 else: |
18175
fd3f8b87b682
win32: clean up use of two-argument raise
Augie Fackler <raf@durin42.com>
parents:
17428
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465 raise IOError(errno.EEXIST, "No usable temporary filename found") |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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466 |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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467 try: |
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windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
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468 os.unlink(temp) |
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win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
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469 except OSError: |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
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470 # 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
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471 # 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
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472 # but not os.unlink. Reset all attributes and try again. |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
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473 _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL) |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
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474 try: |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
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475 os.unlink(temp) |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
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476 except OSError: |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
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477 # The unlink might have failed due to some very rude AV-Scanners. |
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win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
13775
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478 # Leaking a tempfile is the lesser evil than aborting here and |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
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479 # leaving some potentially serious inconsistencies. |
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win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
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480 pass |
13795
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set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13776
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481 |
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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482 def makedir(path, notindexed): |
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set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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483 os.mkdir(path) |
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set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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484 if notindexed: |
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set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
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485 _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED) |