Mercurial > hg
annotate mercurial/win32.py @ 36439:02cd2fb6de72
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":<name>:" is automatically added by the registrar.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 25 Feb 2018 13:42:51 +0900 |
parents | ed30934165c9 |
children | 3a0f322af192 |
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 from __future__ import absolute_import |
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9 |
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10 import ctypes |
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11 import ctypes.wintypes as wintypes |
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12 import errno |
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13 import msvcrt |
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14 import os |
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15 import random |
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16 import subprocess |
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17 |
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18 from . import ( |
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19 encoding, |
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20 pycompat, |
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21 ) |
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22 |
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23 _kernel32 = ctypes.windll.kernel32 |
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24 _advapi32 = ctypes.windll.advapi32 |
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25 _user32 = ctypes.windll.user32 |
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26 _crypt32 = ctypes.windll.crypt32 |
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27 |
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28 _BOOL = ctypes.c_long |
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29 _WORD = ctypes.c_ushort |
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30 _DWORD = ctypes.c_ulong |
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31 _UINT = ctypes.c_uint |
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32 _LONG = ctypes.c_long |
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33 _LPCSTR = _LPSTR = ctypes.c_char_p |
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34 _HANDLE = ctypes.c_void_p |
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35 _HWND = _HANDLE |
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36 _PCCERT_CONTEXT = ctypes.c_void_p |
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37 _MAX_PATH = wintypes.MAX_PATH |
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38 |
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39 _INVALID_HANDLE_VALUE = _HANDLE(-1).value |
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40 |
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41 # GetLastError |
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42 _ERROR_SUCCESS = 0 |
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43 _ERROR_NO_MORE_FILES = 18 |
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44 _ERROR_INVALID_PARAMETER = 87 |
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45 _ERROR_BROKEN_PIPE = 109 |
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46 _ERROR_INSUFFICIENT_BUFFER = 122 |
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47 |
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48 # WPARAM is defined as UINT_PTR (unsigned type) |
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49 # LPARAM is defined as LONG_PTR (signed type) |
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50 if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p): |
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51 _WPARAM = ctypes.c_ulong |
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52 _LPARAM = ctypes.c_long |
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53 elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p): |
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54 _WPARAM = ctypes.c_ulonglong |
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55 _LPARAM = ctypes.c_longlong |
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56 |
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57 class _FILETIME(ctypes.Structure): |
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58 _fields_ = [('dwLowDateTime', _DWORD), |
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59 ('dwHighDateTime', _DWORD)] |
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60 |
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61 class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure): |
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62 _fields_ = [('dwFileAttributes', _DWORD), |
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63 ('ftCreationTime', _FILETIME), |
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64 ('ftLastAccessTime', _FILETIME), |
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65 ('ftLastWriteTime', _FILETIME), |
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66 ('dwVolumeSerialNumber', _DWORD), |
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67 ('nFileSizeHigh', _DWORD), |
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68 ('nFileSizeLow', _DWORD), |
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69 ('nNumberOfLinks', _DWORD), |
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70 ('nFileIndexHigh', _DWORD), |
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71 ('nFileIndexLow', _DWORD)] |
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72 |
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73 # CreateFile |
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74 _FILE_SHARE_READ = 0x00000001 |
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75 _FILE_SHARE_WRITE = 0x00000002 |
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76 _FILE_SHARE_DELETE = 0x00000004 |
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77 |
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78 _OPEN_EXISTING = 3 |
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79 |
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80 _FILE_FLAG_BACKUP_SEMANTICS = 0x02000000 |
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81 |
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82 # SetFileAttributes |
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83 _FILE_ATTRIBUTE_NORMAL = 0x80 |
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84 _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000 |
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85 |
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86 # Process Security and Access Rights |
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87 _PROCESS_QUERY_INFORMATION = 0x0400 |
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88 |
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89 # GetExitCodeProcess |
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90 _STILL_ACTIVE = 259 |
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91 |
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92 class _STARTUPINFO(ctypes.Structure): |
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93 _fields_ = [('cb', _DWORD), |
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94 ('lpReserved', _LPSTR), |
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95 ('lpDesktop', _LPSTR), |
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96 ('lpTitle', _LPSTR), |
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97 ('dwX', _DWORD), |
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98 ('dwY', _DWORD), |
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99 ('dwXSize', _DWORD), |
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100 ('dwYSize', _DWORD), |
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101 ('dwXCountChars', _DWORD), |
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102 ('dwYCountChars', _DWORD), |
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103 ('dwFillAttribute', _DWORD), |
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104 ('dwFlags', _DWORD), |
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105 ('wShowWindow', _WORD), |
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106 ('cbReserved2', _WORD), |
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107 ('lpReserved2', ctypes.c_char_p), |
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108 ('hStdInput', _HANDLE), |
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109 ('hStdOutput', _HANDLE), |
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110 ('hStdError', _HANDLE)] |
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111 |
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112 class _PROCESS_INFORMATION(ctypes.Structure): |
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113 _fields_ = [('hProcess', _HANDLE), |
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114 ('hThread', _HANDLE), |
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115 ('dwProcessId', _DWORD), |
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116 ('dwThreadId', _DWORD)] |
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117 |
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118 _CREATE_NO_WINDOW = 0x08000000 |
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119 _SW_HIDE = 0 |
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120 |
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121 class _COORD(ctypes.Structure): |
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122 _fields_ = [('X', ctypes.c_short), |
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123 ('Y', ctypes.c_short)] |
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124 |
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125 class _SMALL_RECT(ctypes.Structure): |
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126 _fields_ = [('Left', ctypes.c_short), |
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127 ('Top', ctypes.c_short), |
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128 ('Right', ctypes.c_short), |
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129 ('Bottom', ctypes.c_short)] |
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130 |
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131 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure): |
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132 _fields_ = [('dwSize', _COORD), |
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133 ('dwCursorPosition', _COORD), |
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134 ('wAttributes', _WORD), |
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135 ('srWindow', _SMALL_RECT), |
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136 ('dwMaximumWindowSize', _COORD)] |
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137 |
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138 _STD_OUTPUT_HANDLE = _DWORD(-11).value |
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139 _STD_ERROR_HANDLE = _DWORD(-12).value |
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140 |
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141 # CERT_TRUST_STATUS dwErrorStatus |
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142 CERT_TRUST_IS_PARTIAL_CHAIN = 0x10000 |
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143 |
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144 # CertCreateCertificateContext encodings |
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145 X509_ASN_ENCODING = 0x00000001 |
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146 PKCS_7_ASN_ENCODING = 0x00010000 |
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147 |
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148 # These structs are only complete enough to achieve what we need. |
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149 class CERT_CHAIN_CONTEXT(ctypes.Structure): |
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150 _fields_ = ( |
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151 ("cbSize", _DWORD), |
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152 |
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153 # CERT_TRUST_STATUS struct |
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154 ("dwErrorStatus", _DWORD), |
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155 ("dwInfoStatus", _DWORD), |
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156 |
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157 ("cChain", _DWORD), |
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158 ("rgpChain", ctypes.c_void_p), |
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159 ("cLowerQualityChainContext", _DWORD), |
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160 ("rgpLowerQualityChainContext", ctypes.c_void_p), |
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161 ("fHasRevocationFreshnessTime", _BOOL), |
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162 ("dwRevocationFreshnessTime", _DWORD), |
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163 ) |
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164 |
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165 class CERT_USAGE_MATCH(ctypes.Structure): |
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166 _fields_ = ( |
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167 ("dwType", _DWORD), |
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168 |
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169 # CERT_ENHKEY_USAGE struct |
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170 ("cUsageIdentifier", _DWORD), |
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171 ("rgpszUsageIdentifier", ctypes.c_void_p), # LPSTR * |
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172 ) |
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173 |
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174 class CERT_CHAIN_PARA(ctypes.Structure): |
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175 _fields_ = ( |
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176 ("cbSize", _DWORD), |
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177 ("RequestedUsage", CERT_USAGE_MATCH), |
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178 ("RequestedIssuancePolicy", CERT_USAGE_MATCH), |
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179 ("dwUrlRetrievalTimeout", _DWORD), |
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180 ("fCheckRevocationFreshnessTime", _BOOL), |
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181 ("dwRevocationFreshnessTime", _DWORD), |
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182 ("pftCacheResync", ctypes.c_void_p), # LPFILETIME |
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183 ("pStrongSignPara", ctypes.c_void_p), # PCCERT_STRONG_SIGN_PARA |
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184 ("dwStrongSignFlags", _DWORD), |
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185 ) |
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186 |
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187 # types of parameters of C functions used (required by pypy) |
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188 |
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189 _crypt32.CertCreateCertificateContext.argtypes = [_DWORD, # cert encoding |
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190 ctypes.c_char_p, # cert |
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191 _DWORD] # cert size |
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192 _crypt32.CertCreateCertificateContext.restype = _PCCERT_CONTEXT |
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193 |
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194 _crypt32.CertGetCertificateChain.argtypes = [ |
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195 ctypes.c_void_p, # HCERTCHAINENGINE |
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196 _PCCERT_CONTEXT, |
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197 ctypes.c_void_p, # LPFILETIME |
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198 ctypes.c_void_p, # HCERTSTORE |
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199 ctypes.c_void_p, # PCERT_CHAIN_PARA |
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200 _DWORD, |
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201 ctypes.c_void_p, # LPVOID |
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202 ctypes.c_void_p # PCCERT_CHAIN_CONTEXT * |
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203 ] |
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204 _crypt32.CertGetCertificateChain.restype = _BOOL |
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205 |
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206 _crypt32.CertFreeCertificateContext.argtypes = [_PCCERT_CONTEXT] |
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207 _crypt32.CertFreeCertificateContext.restype = _BOOL |
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208 |
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209 _kernel32.CreateFileA.argtypes = [_LPCSTR, _DWORD, _DWORD, ctypes.c_void_p, |
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210 _DWORD, _DWORD, _HANDLE] |
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211 _kernel32.CreateFileA.restype = _HANDLE |
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212 |
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213 _kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p] |
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214 _kernel32.GetFileInformationByHandle.restype = _BOOL |
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215 |
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216 _kernel32.CloseHandle.argtypes = [_HANDLE] |
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217 _kernel32.CloseHandle.restype = _BOOL |
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218 |
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219 try: |
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220 _kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p] |
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221 _kernel32.CreateHardLinkA.restype = _BOOL |
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222 except AttributeError: |
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223 pass |
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224 |
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225 _kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD] |
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226 _kernel32.SetFileAttributesA.restype = _BOOL |
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227 |
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228 _DRIVE_UNKNOWN = 0 |
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229 _DRIVE_NO_ROOT_DIR = 1 |
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230 _DRIVE_REMOVABLE = 2 |
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231 _DRIVE_FIXED = 3 |
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232 _DRIVE_REMOTE = 4 |
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233 _DRIVE_CDROM = 5 |
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234 _DRIVE_RAMDISK = 6 |
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235 |
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236 _kernel32.GetDriveTypeA.argtypes = [_LPCSTR] |
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237 _kernel32.GetDriveTypeA.restype = _UINT |
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238 |
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239 _kernel32.GetVolumeInformationA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD, |
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240 ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, _DWORD] |
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241 _kernel32.GetVolumeInformationA.restype = _BOOL |
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242 |
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243 _kernel32.GetVolumePathNameA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD] |
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244 _kernel32.GetVolumePathNameA.restype = _BOOL |
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245 |
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246 _kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD] |
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247 _kernel32.OpenProcess.restype = _HANDLE |
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248 |
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249 _kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p] |
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250 _kernel32.GetExitCodeProcess.restype = _BOOL |
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251 |
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252 _kernel32.GetLastError.argtypes = [] |
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253 _kernel32.GetLastError.restype = _DWORD |
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254 |
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255 _kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD] |
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256 _kernel32.GetModuleFileNameA.restype = _DWORD |
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257 |
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258 _kernel32.CreateProcessA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p, |
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259 ctypes.c_void_p, _BOOL, _DWORD, ctypes.c_void_p, _LPCSTR, ctypes.c_void_p, |
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260 ctypes.c_void_p] |
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261 _kernel32.CreateProcessA.restype = _BOOL |
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262 |
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263 _kernel32.ExitProcess.argtypes = [_UINT] |
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264 _kernel32.ExitProcess.restype = None |
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265 |
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266 _kernel32.GetCurrentProcessId.argtypes = [] |
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267 _kernel32.GetCurrentProcessId.restype = _DWORD |
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268 |
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269 _SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD) |
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270 _kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL] |
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271 _kernel32.SetConsoleCtrlHandler.restype = _BOOL |
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272 |
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273 _kernel32.SetConsoleMode.argtypes = [_HANDLE, _DWORD] |
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274 _kernel32.SetConsoleMode.restype = _BOOL |
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275 |
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276 _kernel32.GetConsoleMode.argtypes = [_HANDLE, ctypes.c_void_p] |
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277 _kernel32.GetConsoleMode.restype = _BOOL |
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278 |
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279 _kernel32.GetStdHandle.argtypes = [_DWORD] |
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280 _kernel32.GetStdHandle.restype = _HANDLE |
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281 |
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282 _kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p] |
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283 _kernel32.GetConsoleScreenBufferInfo.restype = _BOOL |
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284 |
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285 _advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p] |
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286 _advapi32.GetUserNameA.restype = _BOOL |
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287 |
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288 _user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p] |
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289 _user32.GetWindowThreadProcessId.restype = _DWORD |
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290 |
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291 _user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int] |
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292 _user32.ShowWindow.restype = _BOOL |
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293 |
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294 _WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM) |
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295 _user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM] |
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296 _user32.EnumWindows.restype = _BOOL |
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297 |
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298 _kernel32.PeekNamedPipe.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD, |
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299 ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p] |
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300 _kernel32.PeekNamedPipe.restype = _BOOL |
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301 |
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302 def _raiseoserror(name): |
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303 # Force the code to a signed int to avoid an 'int too large' error. |
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304 # See https://bugs.python.org/issue28474 |
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305 code = _kernel32.GetLastError() |
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306 if code > 0x7fffffff: |
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307 code -= 2**32 |
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308 err = ctypes.WinError(code=code) |
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309 raise OSError(err.errno, '%s: %s' % (name, |
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310 encoding.strtolocal(err.strerror))) |
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311 |
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312 def _getfileinfo(name): |
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313 fh = _kernel32.CreateFileA(name, 0, |
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314 _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE, |
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315 None, _OPEN_EXISTING, _FILE_FLAG_BACKUP_SEMANTICS, None) |
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316 if fh == _INVALID_HANDLE_VALUE: |
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317 _raiseoserror(name) |
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318 try: |
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319 fi = _BY_HANDLE_FILE_INFORMATION() |
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320 if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)): |
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321 _raiseoserror(name) |
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322 return fi |
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323 finally: |
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324 _kernel32.CloseHandle(fh) |
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325 |
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326 def checkcertificatechain(cert, build=True): |
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327 '''Tests the given certificate to see if there is a complete chain to a |
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328 trusted root certificate. As a side effect, missing certificates are |
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329 downloaded and installed unless ``build=False``. True is returned if a |
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330 chain to a trusted root exists (even if built on the fly), otherwise |
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331 False. NB: A chain to a trusted root does NOT imply that the certificate |
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332 is valid. |
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333 ''' |
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334 |
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335 chainctxptr = ctypes.POINTER(CERT_CHAIN_CONTEXT) |
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336 |
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337 pchainctx = chainctxptr() |
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338 chainpara = CERT_CHAIN_PARA(cbSize=ctypes.sizeof(CERT_CHAIN_PARA), |
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339 RequestedUsage=CERT_USAGE_MATCH()) |
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340 |
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341 certctx = _crypt32.CertCreateCertificateContext(X509_ASN_ENCODING, cert, |
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342 len(cert)) |
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343 if certctx is None: |
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344 _raiseoserror('CertCreateCertificateContext') |
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345 |
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346 flags = 0 |
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347 |
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348 if not build: |
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349 flags |= 0x100 # CERT_CHAIN_DISABLE_AUTH_ROOT_AUTO_UPDATE |
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350 |
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351 try: |
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352 # Building the certificate chain will update root certs as necessary. |
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353 if not _crypt32.CertGetCertificateChain(None, # hChainEngine |
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354 certctx, # pCertContext |
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355 None, # pTime |
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356 None, # hAdditionalStore |
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357 ctypes.byref(chainpara), |
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358 flags, |
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359 None, # pvReserved |
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360 ctypes.byref(pchainctx)): |
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361 _raiseoserror('CertGetCertificateChain') |
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362 |
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363 chainctx = pchainctx.contents |
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364 |
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365 return chainctx.dwErrorStatus & CERT_TRUST_IS_PARTIAL_CHAIN == 0 |
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366 finally: |
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367 if pchainctx: |
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368 _crypt32.CertFreeCertificateChain(pchainctx) |
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369 _crypt32.CertFreeCertificateContext(certctx) |
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370 |
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371 def oslink(src, dst): |
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372 try: |
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373 if not _kernel32.CreateHardLinkA(dst, src, None): |
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374 _raiseoserror(src) |
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375 except AttributeError: # Wine doesn't support this function |
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376 _raiseoserror(src) |
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377 |
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378 def nlinks(name): |
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379 '''return number of hardlinks for the given file''' |
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380 return _getfileinfo(name).nNumberOfLinks |
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381 |
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382 def samefile(path1, path2): |
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383 '''Returns whether path1 and path2 refer to the same file or directory.''' |
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384 res1 = _getfileinfo(path1) |
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385 res2 = _getfileinfo(path2) |
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386 return (res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
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387 and res1.nFileIndexHigh == res2.nFileIndexHigh |
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388 and res1.nFileIndexLow == res2.nFileIndexLow) |
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389 |
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390 def samedevice(path1, path2): |
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391 '''Returns whether path1 and path2 are on the same device.''' |
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392 res1 = _getfileinfo(path1) |
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393 res2 = _getfileinfo(path2) |
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394 return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
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395 |
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396 def peekpipe(pipe): |
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397 handle = msvcrt.get_osfhandle(pipe.fileno()) |
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398 avail = _DWORD() |
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399 |
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400 if not _kernel32.PeekNamedPipe(handle, None, 0, None, ctypes.byref(avail), |
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401 None): |
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402 err = _kernel32.GetLastError() |
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403 if err == _ERROR_BROKEN_PIPE: |
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404 return 0 |
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405 raise ctypes.WinError(err) |
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406 |
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407 return avail.value |
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408 |
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409 def testpid(pid): |
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410 '''return True if pid is still running or unable to |
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411 determine, False otherwise''' |
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412 h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid) |
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413 if h: |
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414 try: |
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415 status = _DWORD() |
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416 if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)): |
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417 return status.value == _STILL_ACTIVE |
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418 finally: |
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419 _kernel32.CloseHandle(h) |
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420 return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER |
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421 |
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422 def executablepath(): |
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423 '''return full path of hg.exe''' |
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424 size = 600 |
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425 buf = ctypes.create_string_buffer(size + 1) |
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426 len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size) |
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427 if len == 0: |
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428 raise ctypes.WinError() # Note: WinError is a function |
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429 elif len == size: |
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430 raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER) |
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431 return buf.value |
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432 |
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433 def getvolumename(path): |
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434 """Get the mount point of the filesystem from a directory or file |
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435 (best-effort) |
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436 |
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437 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc. |
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438 """ |
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439 # realpath() calls GetFullPathName() |
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440 realpath = os.path.realpath(path) |
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|
441 |
35550
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442 # allocate at least MAX_PATH long since GetVolumePathName('c:\\', buf, 4) |
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443 # somehow fails on Windows XP |
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444 size = max(len(realpath), _MAX_PATH) + 1 |
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445 buf = ctypes.create_string_buffer(size) |
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|
446 |
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|
447 if not _kernel32.GetVolumePathNameA(realpath, ctypes.byref(buf), size): |
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448 raise ctypes.WinError() # Note: WinError is a function |
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449 |
35512
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450 return buf.value |
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451 |
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452 def getfstype(path): |
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453 """Get the filesystem type name from a directory or file (best-effort) |
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454 |
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455 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc. |
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456 """ |
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457 volume = getvolumename(path) |
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458 |
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|
459 t = _kernel32.GetDriveTypeA(volume) |
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|
460 |
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|
461 if t == _DRIVE_REMOTE: |
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462 return 'cifs' |
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463 elif t not in (_DRIVE_REMOVABLE, _DRIVE_FIXED, _DRIVE_CDROM, |
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|
464 _DRIVE_RAMDISK): |
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465 return None |
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|
466 |
35549
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|
467 size = _MAX_PATH + 1 |
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|
468 name = ctypes.create_string_buffer(size) |
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changeset
|
469 |
35512
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|
470 if not _kernel32.GetVolumeInformationA(volume, None, 0, None, None, None, |
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|
471 ctypes.byref(name), size): |
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472 raise ctypes.WinError() # Note: WinError is a function |
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|
473 |
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474 return name.value |
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changeset
|
475 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
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|
476 def getuser(): |
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|
477 '''return name of current user''' |
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478 size = _DWORD(300) |
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479 buf = ctypes.create_string_buffer(size.value + 1) |
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480 if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)): |
24418
a2285e2fc949
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|
481 raise ctypes.WinError() |
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482 return buf.value |
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|
483 |
14237
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|
484 _signalhandler = [] |
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|
485 |
14237
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|
486 def setsignalhandler(): |
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487 '''Register a termination handler for console events including |
4672
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diff
changeset
|
488 CTRL+C. python signal handlers do not work well with socket |
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Handle CTRL+C in serve under Windows.
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|
489 operations. |
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|
490 ''' |
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|
491 def handler(event): |
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492 _kernel32.ExitProcess(1) |
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|
493 |
14237
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|
494 if _signalhandler: |
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|
495 return # already registered |
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|
496 h = _SIGNAL_HANDLER(handler) |
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|
497 _signalhandler.append(h) # needed to prevent garbage collection |
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|
498 if not _kernel32.SetConsoleCtrlHandler(h, True): |
24418
a2285e2fc949
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21226
diff
changeset
|
499 raise ctypes.WinError() |
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changeset
|
500 |
10240
3af4b39afe2a
cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents:
10219
diff
changeset
|
501 def hidewindow(): |
3af4b39afe2a
cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents:
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diff
changeset
|
502 |
13375
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|
503 def callback(hwnd, pid): |
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|
504 wpid = _DWORD() |
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|
505 _user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid)) |
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|
506 if pid == wpid.value: |
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|
507 _user32.ShowWindow(hwnd, _SW_HIDE) |
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|
508 return False # stop enumerating windows |
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|
509 return True |
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changeset
|
510 |
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port win32.py to using the Python ctypes library
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changeset
|
511 pid = _kernel32.GetCurrentProcessId() |
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changeset
|
512 _user32.EnumWindows(_WNDENUMPROC(callback), pid) |
11012
81631f0cf13b
win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10388
diff
changeset
|
513 |
30314
365812902904
scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
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30313
diff
changeset
|
514 def termsize(): |
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changeset
|
515 # cmd.exe does not handle CR like a unix console, the CR is |
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changeset
|
516 # counted in the line length. On 80 columns consoles, if 80 |
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changeset
|
517 # characters are written, the following CR won't apply on the |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
518 # current line but on the new one. Keep room for it. |
30313
392633d7860e
scmutil: clarify that we explicitly do termwidth - 1 on Windows
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diff
changeset
|
519 width = 80 - 1 |
30314
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scmutil: extend termwidth() to return terminal height, renamed to termsize()
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diff
changeset
|
520 height = 25 |
13375
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changeset
|
521 # Query stderr to avoid problems with redirections |
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changeset
|
522 screenbuf = _kernel32.GetStdHandle( |
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changeset
|
523 _STD_ERROR_HANDLE) # don't close the handle returned |
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changeset
|
524 if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE: |
30314
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changeset
|
525 return width, height |
13375
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changeset
|
526 csbi = _CONSOLE_SCREEN_BUFFER_INFO() |
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port win32.py to using the Python ctypes library
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changeset
|
527 if not _kernel32.GetConsoleScreenBufferInfo( |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
528 screenbuf, ctypes.byref(csbi)): |
30314
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diff
changeset
|
529 return width, height |
30313
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Yuya Nishihara <yuya@tcha.org>
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diff
changeset
|
530 width = csbi.srWindow.Right - csbi.srWindow.Left # don't '+ 1' |
30314
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diff
changeset
|
531 height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1 |
365812902904
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Yuya Nishihara <yuya@tcha.org>
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diff
changeset
|
532 return width, height |
13375
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diff
changeset
|
533 |
32664
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
30667
diff
changeset
|
534 def enablevtmode(): |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
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parents:
30667
diff
changeset
|
535 '''Enable virtual terminal mode for the associated console. Return True if |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
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parents:
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diff
changeset
|
536 enabled, else False.''' |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
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parents:
30667
diff
changeset
|
537 |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
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parents:
30667
diff
changeset
|
538 ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4 |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
539 |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
30667
diff
changeset
|
540 handle = _kernel32.GetStdHandle(_STD_OUTPUT_HANDLE) # don't close the handle |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
541 if handle == _INVALID_HANDLE_VALUE: |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
542 return False |
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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|
543 |
2d56e6d23be7
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544 mode = _DWORD(0) |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
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|
545 |
2d56e6d23be7
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parents:
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|
546 if not _kernel32.GetConsoleMode(handle, ctypes.byref(mode)): |
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547 return False |
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win32: add a method to enable ANSI color code processing on Windows 10
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|
548 |
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parents:
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|
549 if (mode.value & ENABLE_VIRTUAL_TERMINAL_PROCESSING) == 0: |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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|
550 mode.value |= ENABLE_VIRTUAL_TERMINAL_PROCESSING |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
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|
551 |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
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parents:
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552 if not _kernel32.SetConsoleMode(handle, mode): |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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553 return False |
2d56e6d23be7
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Matt Harbison <matt_harbison@yahoo.com>
parents:
30667
diff
changeset
|
554 |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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|
555 return True |
2d56e6d23be7
win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
556 |
13375
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port win32.py to using the Python ctypes library
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557 def spawndetached(args): |
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port win32.py to using the Python ctypes library
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558 # No standard library function really spawns a fully detached |
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559 # process under win32 because they allocate pipes or other objects |
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parents:
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560 # to handle standard streams communications. Passing these objects |
f1fa8f481c7c
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parents:
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561 # to the child process requires handle inheritance to be enabled |
f1fa8f481c7c
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|
562 # which makes really detached processes impossible. |
f1fa8f481c7c
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parents:
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563 si = _STARTUPINFO() |
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564 si.cb = ctypes.sizeof(_STARTUPINFO) |
f1fa8f481c7c
port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
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|
565 |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
566 pi = _PROCESS_INFORMATION() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
567 |
f1fa8f481c7c
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parents:
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diff
changeset
|
568 env = '' |
30637
344e68882cd3
py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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diff
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|
569 for k in encoding.environ: |
344e68882cd3
py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30314
diff
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|
570 env += "%s=%s\0" % (k, encoding.environ[k]) |
13375
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571 if not env: |
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572 env = '\0' |
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parents:
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|
573 env += '\0' |
f1fa8f481c7c
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|
574 |
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parents:
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diff
changeset
|
575 args = subprocess.list2cmdline(args) |
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parents:
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diff
changeset
|
576 |
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parents:
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|
577 res = _kernel32.CreateProcessA( |
17050
e780fb37168b
win32: specify _CREATE_NO_WINDOW on spawndetached()
Adrian Buehlmann <adrian@cadifra.com>
parents:
17006
diff
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|
578 None, args, None, None, False, _CREATE_NO_WINDOW, |
30667
5861bdbeb9a3
py3: use pycompat.getcwd instead of os.getcwd
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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diff
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|
579 env, pycompat.getcwd(), ctypes.byref(si), ctypes.byref(pi)) |
13375
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port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents:
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580 if not res: |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
21226
diff
changeset
|
581 raise ctypes.WinError() |
13375
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parents:
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diff
changeset
|
582 |
32676
4c3d9ee87382
win32: drop a py26 daemonizing hack
Matt Harbison <matt_harbison@yahoo.com>
parents:
32664
diff
changeset
|
583 return pi.dwProcessId |
13775
930efdc6bfa4
windows: move unlink to win32.py
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584 |
930efdc6bfa4
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parents:
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|
585 def unlink(f): |
930efdc6bfa4
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586 '''try to implement POSIX' unlink semantics on Windows''' |
930efdc6bfa4
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|
587 |
21226
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
588 if os.path.isdir(f): |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
589 # use EPERM because it is POSIX prescribed value, even though |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
590 # unlink(2) on directories returns EISDIR on Linux |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
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diff
changeset
|
591 raise IOError(errno.EPERM, |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
592 "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
|
593 |
13775
930efdc6bfa4
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parents:
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diff
changeset
|
594 # POSIX allows to unlink and rename open files. Windows has serious |
930efdc6bfa4
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parents:
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diff
changeset
|
595 # problems with doing that: |
930efdc6bfa4
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parents:
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diff
changeset
|
596 # - Calling os.unlink (or os.rename) on a file f fails if f or any |
930efdc6bfa4
windows: move unlink to win32.py
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parents:
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diff
changeset
|
597 # hardlinked copy of f has been opened with Python's open(). There is no |
930efdc6bfa4
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parents:
13379
diff
changeset
|
598 # way such a file can be deleted or renamed on Windows (other than |
930efdc6bfa4
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parents:
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diff
changeset
|
599 # scheduling the delete or rename for the next reboot). |
930efdc6bfa4
windows: move unlink to win32.py
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parents:
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diff
changeset
|
600 # - Calling os.unlink on a file that has been opened with Mercurial's |
930efdc6bfa4
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
601 # posixfile (or comparable methods) will delay the actual deletion of |
930efdc6bfa4
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
602 # 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:
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changeset
|
603 # 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:
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changeset
|
604 # that same name ("zombie file"). Directories containing such zombie files |
930efdc6bfa4
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parents:
13379
diff
changeset
|
605 # cannot be removed or moved. |
930efdc6bfa4
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parents:
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changeset
|
606 # 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
|
607 # f to a random temporary name before calling os.unlink on it. This allows |
930efdc6bfa4
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
608 # callers to recreate f immediately while having other readers do their |
930efdc6bfa4
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changeset
|
609 # implicit zombie filename blocking on a temporary name. |
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parents:
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diff
changeset
|
610 |
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parents:
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changeset
|
611 for tries in xrange(10): |
930efdc6bfa4
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parents:
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changeset
|
612 temp = '%s-%08x' % (f, random.randint(0, 0xffffffff)) |
930efdc6bfa4
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diff
changeset
|
613 try: |
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changeset
|
614 os.rename(f, temp) # raises OSError EEXIST if temp exists |
930efdc6bfa4
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diff
changeset
|
615 break |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
616 except OSError as e: |
13775
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617 if e.errno != errno.EEXIST: |
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|
618 raise |
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parents:
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changeset
|
619 else: |
18175
fd3f8b87b682
win32: clean up use of two-argument raise
Augie Fackler <raf@durin42.com>
parents:
17428
diff
changeset
|
620 raise IOError(errno.EEXIST, "No usable temporary filename found") |
13775
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changeset
|
621 |
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parents:
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changeset
|
622 try: |
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parents:
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changeset
|
623 os.unlink(temp) |
13776
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win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
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changeset
|
624 except OSError: |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
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changeset
|
625 # The unlink might have failed because the READONLY attribute may heave |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
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parents:
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changeset
|
626 # been set on the original file. Rename works fine with READONLY set, |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
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|
627 # but not os.unlink. Reset all attributes and try again. |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
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changeset
|
628 _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL) |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
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|
629 try: |
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changeset
|
630 os.unlink(temp) |
a2f0fdb1e488
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|
631 except OSError: |
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changeset
|
632 # The unlink might have failed due to some very rude AV-Scanners. |
a2f0fdb1e488
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parents:
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changeset
|
633 # Leaking a tempfile is the lesser evil than aborting here and |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
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changeset
|
634 # leaving some potentially serious inconsistencies. |
a2f0fdb1e488
win32: remove READONLY attribute on unlink
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changeset
|
635 pass |
13795
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents:
13776
diff
changeset
|
636 |
43b5fe18ea6c
set NOT_CONTENT_INDEXED on .hg dir (issue2694)
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parents:
13776
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changeset
|
637 def makedir(path, notindexed): |
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changeset
|
638 os.mkdir(path) |
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changeset
|
639 if notindexed: |
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set NOT_CONTENT_INDEXED on .hg dir (issue2694)
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changeset
|
640 _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED) |