annotate mercurial/win32.py @ 51461:47752632b4fc

branchcache: rename `load` to `_load_heads` We are about to have more similar function, we rename the existing one to a more meaningful name and mark it private in the process.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 26 Feb 2024 15:12:20 +0100
parents a9faacdc5943
children 493034cc3265
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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 Olivia Mackall <olivia@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
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6 # GNU General Public License version 2 or any later version.
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7
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8
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9 import ctypes
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10 import ctypes.wintypes as wintypes
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11 import errno
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12 import msvcrt
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13 import os
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14 import random
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15 import subprocess
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16
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17 from typing import (
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18 List,
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19 NoReturn,
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20 Optional,
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21 Tuple,
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22 )
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23
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24 from . import (
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25 encoding,
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26 pycompat,
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27 )
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28
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29 # pytype: disable=module-attr
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30 _kernel32 = ctypes.windll.kernel32
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31 _advapi32 = ctypes.windll.advapi32
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32 _user32 = ctypes.windll.user32
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33 _crypt32 = ctypes.windll.crypt32
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34 # pytype: enable=module-attr
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35
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36 _BOOL = ctypes.c_long
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37 _WORD = ctypes.c_ushort
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38 _DWORD = ctypes.c_ulong
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39 _UINT = ctypes.c_uint
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40 _LONG = ctypes.c_long
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41 _LPCSTR = _LPSTR = ctypes.c_char_p
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42 _HANDLE = ctypes.c_void_p
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43 _HWND = _HANDLE
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44 _PCCERT_CONTEXT = ctypes.c_void_p
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45 _MAX_PATH = wintypes.MAX_PATH
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46
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47 _INVALID_HANDLE_VALUE = _HANDLE(-1).value
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48
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49 # GetLastError
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50 _ERROR_SUCCESS = 0
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51 _ERROR_NO_MORE_FILES = 18
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52 _ERROR_INVALID_PARAMETER = 87
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53 _ERROR_BROKEN_PIPE = 109
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54 _ERROR_INSUFFICIENT_BUFFER = 122
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55 _ERROR_NO_DATA = 232
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56
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57 # WPARAM is defined as UINT_PTR (unsigned type)
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58 # LPARAM is defined as LONG_PTR (signed type)
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59 if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p):
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60 _WPARAM = ctypes.c_ulong
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61 _LPARAM = ctypes.c_long
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62 elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p):
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63 _WPARAM = ctypes.c_ulonglong
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64 _LPARAM = ctypes.c_longlong
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65
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66
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67 class _FILETIME(ctypes.Structure):
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68 _fields_ = [('dwLowDateTime', _DWORD), ('dwHighDateTime', _DWORD)]
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69
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70
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71 class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure):
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72 _fields_ = [
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73 ('dwFileAttributes', _DWORD),
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74 ('ftCreationTime', _FILETIME),
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75 ('ftLastAccessTime', _FILETIME),
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76 ('ftLastWriteTime', _FILETIME),
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77 ('dwVolumeSerialNumber', _DWORD),
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78 ('nFileSizeHigh', _DWORD),
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79 ('nFileSizeLow', _DWORD),
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80 ('nNumberOfLinks', _DWORD),
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81 ('nFileIndexHigh', _DWORD),
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82 ('nFileIndexLow', _DWORD),
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83 ]
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84
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85
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86 # CreateFile
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87 _FILE_SHARE_READ = 0x00000001
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88 _FILE_SHARE_WRITE = 0x00000002
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89 _FILE_SHARE_DELETE = 0x00000004
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90
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91 _OPEN_EXISTING = 3
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92
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93 _FILE_FLAG_BACKUP_SEMANTICS = 0x02000000
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94
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95 # SetFileAttributes
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96 _FILE_ATTRIBUTE_NORMAL = 0x80
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97 _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000
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98
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99 # Process Security and Access Rights
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100 _PROCESS_QUERY_INFORMATION = 0x0400
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101
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102 # GetExitCodeProcess
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103 _STILL_ACTIVE = 259
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104
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105
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106 class _STARTUPINFO(ctypes.Structure):
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107 _fields_ = [
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108 ('cb', _DWORD),
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109 ('lpReserved', _LPSTR),
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110 ('lpDesktop', _LPSTR),
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111 ('lpTitle', _LPSTR),
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112 ('dwX', _DWORD),
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113 ('dwY', _DWORD),
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114 ('dwXSize', _DWORD),
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115 ('dwYSize', _DWORD),
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116 ('dwXCountChars', _DWORD),
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117 ('dwYCountChars', _DWORD),
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118 ('dwFillAttribute', _DWORD),
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119 ('dwFlags', _DWORD),
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120 ('wShowWindow', _WORD),
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121 ('cbReserved2', _WORD),
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122 ('lpReserved2', ctypes.c_char_p),
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123 ('hStdInput', _HANDLE),
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124 ('hStdOutput', _HANDLE),
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125 ('hStdError', _HANDLE),
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126 ]
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127
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128
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129 class _PROCESS_INFORMATION(ctypes.Structure):
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130 _fields_ = [
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131 ('hProcess', _HANDLE),
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132 ('hThread', _HANDLE),
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133 ('dwProcessId', _DWORD),
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134 ('dwThreadId', _DWORD),
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135 ]
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136
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137
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138 _CREATE_NO_WINDOW = 0x08000000
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139 _SW_HIDE = 0
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140
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141
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142 class _COORD(ctypes.Structure):
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143 _fields_ = [('X', ctypes.c_short), ('Y', ctypes.c_short)]
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144
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145
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146 class _SMALL_RECT(ctypes.Structure):
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147 _fields_ = [
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148 ('Left', ctypes.c_short),
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149 ('Top', ctypes.c_short),
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150 ('Right', ctypes.c_short),
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151 ('Bottom', ctypes.c_short),
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152 ]
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153
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154
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155 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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156 _fields_ = [
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157 ('dwSize', _COORD),
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158 ('dwCursorPosition', _COORD),
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159 ('wAttributes', _WORD),
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160 ('srWindow', _SMALL_RECT),
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161 ('dwMaximumWindowSize', _COORD),
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162 ]
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163
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164
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165 _STD_OUTPUT_HANDLE = _DWORD(-11).value
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166 _STD_ERROR_HANDLE = _DWORD(-12).value
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167
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168 # CERT_TRUST_STATUS dwErrorStatus
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169 CERT_TRUST_IS_PARTIAL_CHAIN = 0x10000
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170
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171 # CertCreateCertificateContext encodings
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172 X509_ASN_ENCODING = 0x00000001
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173 PKCS_7_ASN_ENCODING = 0x00010000
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174
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175 # These structs are only complete enough to achieve what we need.
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176 class CERT_CHAIN_CONTEXT(ctypes.Structure):
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177 _fields_ = (
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178 ("cbSize", _DWORD),
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179 # CERT_TRUST_STATUS struct
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180 ("dwErrorStatus", _DWORD),
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181 ("dwInfoStatus", _DWORD),
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182 ("cChain", _DWORD),
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183 ("rgpChain", ctypes.c_void_p),
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184 ("cLowerQualityChainContext", _DWORD),
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185 ("rgpLowerQualityChainContext", ctypes.c_void_p),
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186 ("fHasRevocationFreshnessTime", _BOOL),
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187 ("dwRevocationFreshnessTime", _DWORD),
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188 )
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189
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190
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191 class CERT_USAGE_MATCH(ctypes.Structure):
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192 _fields_ = (
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193 ("dwType", _DWORD),
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194 # CERT_ENHKEY_USAGE struct
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195 ("cUsageIdentifier", _DWORD),
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196 ("rgpszUsageIdentifier", ctypes.c_void_p), # LPSTR *
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197 )
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198
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199
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200 class CERT_CHAIN_PARA(ctypes.Structure):
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201 _fields_ = (
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202 ("cbSize", _DWORD),
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203 ("RequestedUsage", CERT_USAGE_MATCH),
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204 ("RequestedIssuancePolicy", CERT_USAGE_MATCH),
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205 ("dwUrlRetrievalTimeout", _DWORD),
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206 ("fCheckRevocationFreshnessTime", _BOOL),
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207 ("dwRevocationFreshnessTime", _DWORD),
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208 ("pftCacheResync", ctypes.c_void_p), # LPFILETIME
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209 ("pStrongSignPara", ctypes.c_void_p), # PCCERT_STRONG_SIGN_PARA
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210 ("dwStrongSignFlags", _DWORD),
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211 )
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212
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213
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214 # types of parameters of C functions used (required by pypy)
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215
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216 _crypt32.CertCreateCertificateContext.argtypes = [
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217 _DWORD, # cert encoding
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218 ctypes.c_char_p, # cert
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219 _DWORD,
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220 ] # cert size
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221 _crypt32.CertCreateCertificateContext.restype = _PCCERT_CONTEXT
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222
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223 _crypt32.CertGetCertificateChain.argtypes = [
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224 ctypes.c_void_p, # HCERTCHAINENGINE
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225 _PCCERT_CONTEXT,
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226 ctypes.c_void_p, # LPFILETIME
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227 ctypes.c_void_p, # HCERTSTORE
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228 ctypes.c_void_p, # PCERT_CHAIN_PARA
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229 _DWORD,
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230 ctypes.c_void_p, # LPVOID
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231 ctypes.c_void_p, # PCCERT_CHAIN_CONTEXT *
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232 ]
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233 _crypt32.CertGetCertificateChain.restype = _BOOL
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234
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235 _crypt32.CertFreeCertificateContext.argtypes = [_PCCERT_CONTEXT]
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236 _crypt32.CertFreeCertificateContext.restype = _BOOL
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237
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238 _kernel32.CreateFileA.argtypes = [
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239 _LPCSTR,
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240 _DWORD,
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241 _DWORD,
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242 ctypes.c_void_p,
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243 _DWORD,
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244 _DWORD,
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245 _HANDLE,
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246 ]
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247 _kernel32.CreateFileA.restype = _HANDLE
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248
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249 _kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p]
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250 _kernel32.GetFileInformationByHandle.restype = _BOOL
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251
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252 _kernel32.CloseHandle.argtypes = [_HANDLE]
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253 _kernel32.CloseHandle.restype = _BOOL
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254
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255 try:
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256 _kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p]
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257 _kernel32.CreateHardLinkA.restype = _BOOL
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258 except AttributeError:
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259 pass
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260
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261 _kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD]
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262 _kernel32.SetFileAttributesA.restype = _BOOL
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263
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264 _DRIVE_UNKNOWN = 0
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265 _DRIVE_NO_ROOT_DIR = 1
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266 _DRIVE_REMOVABLE = 2
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267 _DRIVE_FIXED = 3
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268 _DRIVE_REMOTE = 4
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269 _DRIVE_CDROM = 5
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270 _DRIVE_RAMDISK = 6
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271
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272 _kernel32.GetDriveTypeA.argtypes = [_LPCSTR]
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273 _kernel32.GetDriveTypeA.restype = _UINT
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274
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275 _kernel32.GetVolumeInformationA.argtypes = [
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276 _LPCSTR,
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277 ctypes.c_void_p,
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278 _DWORD,
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279 ctypes.c_void_p,
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280 ctypes.c_void_p,
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281 ctypes.c_void_p,
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282 ctypes.c_void_p,
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283 _DWORD,
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284 ]
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285 _kernel32.GetVolumeInformationA.restype = _BOOL
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286
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287 _kernel32.GetVolumePathNameA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD]
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288 _kernel32.GetVolumePathNameA.restype = _BOOL
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289
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290 _kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD]
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291 _kernel32.OpenProcess.restype = _HANDLE
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292
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293 _kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p]
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294 _kernel32.GetExitCodeProcess.restype = _BOOL
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295
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296 _kernel32.GetLastError.argtypes = []
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297 _kernel32.GetLastError.restype = _DWORD
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298
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299 _kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD]
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300 _kernel32.GetModuleFileNameA.restype = _DWORD
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301
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302 _kernel32.CreateProcessA.argtypes = [
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303 _LPCSTR,
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304 _LPCSTR,
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305 ctypes.c_void_p,
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306 ctypes.c_void_p,
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307 _BOOL,
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308 _DWORD,
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309 ctypes.c_void_p,
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310 _LPCSTR,
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311 ctypes.c_void_p,
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312 ctypes.c_void_p,
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313 ]
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314 _kernel32.CreateProcessA.restype = _BOOL
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315
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316 _kernel32.ExitProcess.argtypes = [_UINT]
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317 _kernel32.ExitProcess.restype = None
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318
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319 _kernel32.GetCurrentProcessId.argtypes = []
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320 _kernel32.GetCurrentProcessId.restype = _DWORD
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321
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322 # pytype: disable=module-attr
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323 _SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD)
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324 # pytype: enable=module-attr
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325 _kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL]
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326 _kernel32.SetConsoleCtrlHandler.restype = _BOOL
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327
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328 _kernel32.SetConsoleMode.argtypes = [_HANDLE, _DWORD]
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329 _kernel32.SetConsoleMode.restype = _BOOL
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330
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331 _kernel32.GetConsoleMode.argtypes = [_HANDLE, ctypes.c_void_p]
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332 _kernel32.GetConsoleMode.restype = _BOOL
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333
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334 _kernel32.GetStdHandle.argtypes = [_DWORD]
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335 _kernel32.GetStdHandle.restype = _HANDLE
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336
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337 _kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p]
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338 _kernel32.GetConsoleScreenBufferInfo.restype = _BOOL
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339
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340 _advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p]
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341 _advapi32.GetUserNameA.restype = _BOOL
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342
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343 _user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p]
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344 _user32.GetWindowThreadProcessId.restype = _DWORD
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345
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346 _user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int]
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347 _user32.ShowWindow.restype = _BOOL
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348
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349 # pytype: disable=module-attr
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350 _WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM)
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351 # pytype: enable=module-attr
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352 _user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM]
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353 _user32.EnumWindows.restype = _BOOL
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354
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355 _kernel32.PeekNamedPipe.argtypes = [
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356 _HANDLE,
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357 ctypes.c_void_p,
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358 _DWORD,
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359 ctypes.c_void_p,
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360 ctypes.c_void_p,
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361 ctypes.c_void_p,
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362 ]
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363 _kernel32.PeekNamedPipe.restype = _BOOL
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364
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365
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366 def _raiseoserror(name: bytes) -> NoReturn:
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367 # Force the code to a signed int to avoid an 'int too large' error.
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368 # See https://bugs.python.org/issue28474
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369 code = _kernel32.GetLastError()
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370 if code > 0x7FFFFFFF:
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371 code -= 2 ** 32
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372 err = ctypes.WinError(code=code) # pytype: disable=module-attr
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373 raise OSError(
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374 err.errno, '%s: %s' % (encoding.strfromlocal(name), err.strerror)
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375 )
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376
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377
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378 def _getfileinfo(name: bytes) -> _BY_HANDLE_FILE_INFORMATION:
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379 fh = _kernel32.CreateFileA(
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380 name,
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381 0,
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382 _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE,
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383 None,
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384 _OPEN_EXISTING,
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385 _FILE_FLAG_BACKUP_SEMANTICS,
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386 None,
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387 )
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388 if fh == _INVALID_HANDLE_VALUE:
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389 _raiseoserror(name)
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390 try:
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391 fi = _BY_HANDLE_FILE_INFORMATION()
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392 if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)):
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393 _raiseoserror(name)
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394 return fi
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395 finally:
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396 _kernel32.CloseHandle(fh)
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397
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398
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a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
399 def checkcertificatechain(cert: bytes, build: bool = True) -> bool:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
400 """Tests the given certificate to see if there is a complete chain to a
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
401 trusted root certificate. As a side effect, missing certificates are
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
402 downloaded and installed unless ``build=False``. True is returned if a
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
403 chain to a trusted root exists (even if built on the fly), otherwise
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
404 False. NB: A chain to a trusted root does NOT imply that the certificate
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
405 is valid.
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
406 """
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
407
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
408 chainctxptr = ctypes.POINTER(CERT_CHAIN_CONTEXT)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
409
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
410 pchainctx = chainctxptr()
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
411 chainpara = CERT_CHAIN_PARA(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
412 cbSize=ctypes.sizeof(CERT_CHAIN_PARA), RequestedUsage=CERT_USAGE_MATCH()
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
413 )
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
414
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
415 certctx = _crypt32.CertCreateCertificateContext(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
416 X509_ASN_ENCODING, cert, len(cert)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
417 )
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
418 if certctx is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
419 _raiseoserror(b'CertCreateCertificateContext')
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
420
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
421 flags = 0
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
422
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
423 if not build:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
424 flags |= 0x100 # CERT_CHAIN_DISABLE_AUTH_ROOT_AUTO_UPDATE
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
425
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
426 try:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
427 # Building the certificate chain will update root certs as necessary.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
428 if not _crypt32.CertGetCertificateChain(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
429 None, # hChainEngine
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
430 certctx, # pCertContext
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
431 None, # pTime
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
432 None, # hAdditionalStore
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
433 ctypes.byref(chainpara),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
434 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
435 None, # pvReserved
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
436 ctypes.byref(pchainctx),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
437 ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
438 _raiseoserror(b'CertGetCertificateChain')
33492
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
439
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
440 chainctx = pchainctx.contents
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
441
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
442 return chainctx.dwErrorStatus & CERT_TRUST_IS_PARTIAL_CHAIN == 0
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
443 finally:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
444 if pchainctx:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
445 _crypt32.CertFreeCertificateChain(pchainctx)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
446 _crypt32.CertFreeCertificateContext(certctx)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
447
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
448
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
449 def oslink(src: bytes, dst: bytes) -> None:
13976
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
450 try:
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
451 if not _kernel32.CreateHardLinkA(dst, src, None):
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
452 _raiseoserror(src)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
453 except AttributeError: # Wine doesn't support this function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
454 _raiseoserror(src)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
455
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
456
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
457 def nlinks(name: bytes) -> int:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
458 '''return number of hardlinks for the given file'''
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
459 return _getfileinfo(name).nNumberOfLinks
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
460
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
461
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
462 def samefile(path1: bytes, path2: bytes) -> bool:
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
463 '''Returns whether path1 and path2 refer to the same file or directory.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
464 res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
465 res2 = _getfileinfo(path2)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
466 return (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
467 res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
468 and res1.nFileIndexHigh == res2.nFileIndexHigh
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
469 and res1.nFileIndexLow == res2.nFileIndexLow
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
470 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
471
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
472
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
473 def samedevice(path1: bytes, path2: bytes) -> bool:
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
474 '''Returns whether path1 and path2 are on the same device.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
475 res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
476 res2 = _getfileinfo(path2)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
477 return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
478
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
479
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
480 def peekpipe(pipe) -> int:
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
481 handle = msvcrt.get_osfhandle(pipe.fileno()) # pytype: disable=module-attr
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
482 avail = _DWORD()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
483
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
484 if not _kernel32.PeekNamedPipe(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
485 handle, None, 0, None, ctypes.byref(avail), None
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
486 ):
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
487 err = _kernel32.GetLastError()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
488 if err == _ERROR_BROKEN_PIPE:
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
489 return 0
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
490 raise ctypes.WinError(err) # pytype: disable=module-attr
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
491
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
492 return avail.value
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
493
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
494
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
495 def lasterrorwaspipeerror(err) -> bool:
38533
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
496 if err.errno != errno.EINVAL:
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
497 return False
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
498 err = _kernel32.GetLastError()
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
499 return err == _ERROR_BROKEN_PIPE or err == _ERROR_NO_DATA
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
500
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
501
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
502 def testpid(pid: int) -> bool:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
503 """return True if pid is still running or unable to
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
504 determine, False otherwise"""
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
505 h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
506 if h:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
507 try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
508 status = _DWORD()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
509 if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
510 return status.value == _STILL_ACTIVE
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
511 finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
512 _kernel32.CloseHandle(h)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
513 return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
514
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
515
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
516 def executablepath() -> bytes:
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
517 '''return full path of hg.exe'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
518 size = 600
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
519 buf = ctypes.create_string_buffer(size + 1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
520 len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size)
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
521 # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
522 if len == 0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
523 raise ctypes.WinError() # Note: WinError is a function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
524 elif len == size:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
525 raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER)
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
526 # pytype: enable=module-attr
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
527 return buf.value
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
528
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
529
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
530 def getvolumename(path: bytes) -> Optional[bytes]:
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
531 """Get the mount point of the filesystem from a directory or file
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
532 (best-effort)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
533
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
534 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
535 """
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
536 # realpath() calls GetFullPathName()
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
537 realpath = os.path.realpath(path)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
538
35550
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
539 # allocate at least MAX_PATH long since GetVolumePathName('c:\\', buf, 4)
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
540 # somehow fails on Windows XP
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
541 size = max(len(realpath), _MAX_PATH) + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
542 buf = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
543
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
544 if not _kernel32.GetVolumePathNameA(realpath, ctypes.byref(buf), size):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
545 # Note: WinError is a function
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
546 raise ctypes.WinError() # pytype: disable=module-attr
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
547
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
548 return buf.value
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
549
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
550
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
551 def getfstype(path: bytes) -> Optional[bytes]:
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
552 """Get the filesystem type name from a directory or file (best-effort)
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
553
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
554 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
555 """
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
556 volume = getvolumename(path)
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
557
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
558 t = _kernel32.GetDriveTypeA(volume)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
559
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
560 if t == _DRIVE_REMOTE:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
561 return b'cifs'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
562 elif t not in (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
563 _DRIVE_REMOVABLE,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
564 _DRIVE_FIXED,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
565 _DRIVE_CDROM,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
566 _DRIVE_RAMDISK,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
567 ):
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
568 return None
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
569
35549
94a127152e25 win32: allocate buffer of maximum length for GetVolumeInformation()
Yuya Nishihara <yuya@tcha.org>
parents: 35512
diff changeset
570 size = _MAX_PATH + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
571 name = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
572
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
573 if not _kernel32.GetVolumeInformationA(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
574 volume, None, 0, None, None, None, ctypes.byref(name), size
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
575 ):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
576 # Note: WinError is a function
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
577 raise ctypes.WinError() # pytype: disable=module-attr
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
578
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
579 return name.value
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
580
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
581
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
582 def getuser() -> bytes:
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
583 '''return name of current user'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
584 size = _DWORD(300)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
585 buf = ctypes.create_string_buffer(size.value + 1)
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
586 if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
587 raise ctypes.WinError() # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
588 return buf.value
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
589
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
590
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
591 _signalhandler: List[_SIGNAL_HANDLER] = []
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
592
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
593
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
594 def setsignalhandler() -> None:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
595 """Register a termination handler for console events including
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
596 CTRL+C. python signal handlers do not work well with socket
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
597 operations.
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
598 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
599
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
600 def handler(event):
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
601 _kernel32.ExitProcess(1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
602
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
603 if _signalhandler:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
604 return # already registered
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
605 h = _SIGNAL_HANDLER(handler)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
606 _signalhandler.append(h) # needed to prevent garbage collection
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
607 if not _kernel32.SetConsoleCtrlHandler(h, True):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
608 raise ctypes.WinError() # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
609
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
610
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
611 def hidewindow() -> None:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
612 def callback(hwnd, pid):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
613 wpid = _DWORD()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
614 _user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
615 if pid == wpid.value:
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
616 _user32.ShowWindow(hwnd, _SW_HIDE)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
617 return False # stop enumerating windows
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
618 return True
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
619
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
620 pid = _kernel32.GetCurrentProcessId()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
621 _user32.EnumWindows(_WNDENUMPROC(callback), pid)
11012
81631f0cf13b win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10388
diff changeset
622
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
623
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
624 def termsize() -> Tuple[int, int]:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
625 # cmd.exe does not handle CR like a unix console, the CR is
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
626 # counted in the line length. On 80 columns consoles, if 80
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
627 # characters are written, the following CR won't apply on the
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
628 # current line but on the new one. Keep room for it.
30313
392633d7860e scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25994
diff changeset
629 width = 80 - 1
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
630 height = 25
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
631 # Query stderr to avoid problems with redirections
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
632 screenbuf = _kernel32.GetStdHandle(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
633 _STD_ERROR_HANDLE
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
634 ) # don't close the handle returned
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
635 if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE:
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
636 return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
637 csbi = _CONSOLE_SCREEN_BUFFER_INFO()
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
638 if not _kernel32.GetConsoleScreenBufferInfo(screenbuf, ctypes.byref(csbi)):
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
639 return width, height
30313
392633d7860e scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25994
diff changeset
640 width = csbi.srWindow.Right - csbi.srWindow.Left # don't '+ 1'
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
641 height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
642 return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
643
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
644
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
645 def enablevtmode() -> bool:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
646 """Enable virtual terminal mode for the associated console. Return True if
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
647 enabled, else False."""
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
648
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
649 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: 30667
diff changeset
650
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
651 handle = _kernel32.GetStdHandle(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
652 _STD_OUTPUT_HANDLE
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
653 ) # don't close the handle
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
654 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: 30667
diff changeset
655 return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
656
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
657 mode = _DWORD(0)
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
658
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
659 if not _kernel32.GetConsoleMode(handle, ctypes.byref(mode)):
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
660 return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
661
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
662 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: 30667
diff changeset
663 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: 30667
diff changeset
664
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
665 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: 30667
diff changeset
666 return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
667
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
668 return True
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
669
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
670
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
671 def spawndetached(args: List[bytes]) -> int:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
672 # No standard library function really spawns a fully detached
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
673 # process under win32 because they allocate pipes or other objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
674 # to handle standard streams communications. Passing these objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
675 # to the child process requires handle inheritance to be enabled
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
676 # which makes really detached processes impossible.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
677 si = _STARTUPINFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
678 si.cb = ctypes.sizeof(_STARTUPINFO)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
679
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
680 pi = _PROCESS_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
681
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
682 env = b''
30637
344e68882cd3 py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30314
diff changeset
683 for k in encoding.environ:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
684 env += b"%s=%s\0" % (k, encoding.environ[k])
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
685 if not env:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
686 env = b'\0'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
687 env += b'\0'
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
688
39719
255d1885c7f8 py3: resolve Unicode issues around `hg serve` on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 39611
diff changeset
689 args = subprocess.list2cmdline(pycompat.rapply(encoding.strfromlocal, args))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
690
39719
255d1885c7f8 py3: resolve Unicode issues around `hg serve` on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 39611
diff changeset
691 # TODO: CreateProcessW on py3?
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
692 res = _kernel32.CreateProcessA(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
693 None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
694 encoding.strtolocal(args),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
695 None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
696 None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
697 False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
698 _CREATE_NO_WINDOW,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
699 env,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
700 encoding.getcwd(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
701 ctypes.byref(si),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
702 ctypes.byref(pi),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
703 )
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
704 if not res:
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
705 raise ctypes.WinError() # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
706
40928
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
707 _kernel32.CloseHandle(pi.hProcess)
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
708 _kernel32.CloseHandle(pi.hThread)
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
709
32676
4c3d9ee87382 win32: drop a py26 daemonizing hack
Matt Harbison <matt_harbison@yahoo.com>
parents: 32664
diff changeset
710 return pi.dwProcessId
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
711
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
712
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
713 def unlink(f: bytes) -> None:
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
714 '''try to implement POSIX' unlink semantics on Windows'''
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
715
21226
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
716 if os.path.isdir(f):
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
717 # use EPERM because it is POSIX prescribed value, even though
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
718 # unlink(2) on directories returns EISDIR on Linux
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
719 raise IOError(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
720 errno.EPERM,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
721 r"Unlinking directory not permitted: '%s'"
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
722 % encoding.strfromlocal(f),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
723 )
19159
1b329f8c7b24 windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18959
diff changeset
724
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
725 # POSIX allows to unlink and rename open files. Windows has serious
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
726 # problems with doing that:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
727 # - Calling os.unlink (or os.rename) on a file f fails if f or any
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
728 # hardlinked copy of f has been opened with Python's open(). There is no
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
729 # way such a file can be deleted or renamed on Windows (other than
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
730 # scheduling the delete or rename for the next reboot).
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
731 # - Calling os.unlink on a file that has been opened with Mercurial's
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
732 # posixfile (or comparable methods) will delay the actual deletion of
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
733 # the file for as long as the file is held open. The filename is blocked
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
734 # during that time and cannot be used for recreating a new file under
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
735 # that same name ("zombie file"). Directories containing such zombie files
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
736 # cannot be removed or moved.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
737 # 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
738 # f to a random temporary name before calling os.unlink on it. This allows
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
739 # callers to recreate f immediately while having other readers do their
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
740 # implicit zombie filename blocking on a temporary name.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
741
49284
d44e3c45f0e4 py3: replace `pycompat.xrange` by `range`
Manuel Jacob <me@manueljacob.de>
parents: 48875
diff changeset
742 for tries in range(10):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
743 temp = b'%s-%08x' % (f, random.randint(0, 0xFFFFFFFF))
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
744 try:
49305
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
745 os.rename(f, temp)
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
746 break
49305
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
747 except FileExistsError:
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
748 pass
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
749 else:
43503
313e3a279828 cleanup: remove pointless r-prefixes on double-quoted strings
Augie Fackler <augie@google.com>
parents: 43077
diff changeset
750 raise IOError(errno.EEXIST, "No usable temporary filename found")
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
751
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
752 try:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
753 os.unlink(temp)
13776
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
754 except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
755 # The unlink might have failed because the READONLY attribute may heave
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
756 # been set on the original file. Rename works fine with READONLY set,
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
757 # but not os.unlink. Reset all attributes and try again.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
758 _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
759 try:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
760 os.unlink(temp)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
761 except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
762 # The unlink might have failed due to some very rude AV-Scanners.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
763 # Leaking a tempfile is the lesser evil than aborting here and
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
764 # leaving some potentially serious inconsistencies.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
765 pass
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
766
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
767
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
768 def makedir(path: bytes, notindexed: bool) -> None:
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
769 os.mkdir(path)
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
770 if notindexed:
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
771 _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)