Mercurial > hg
annotate mercurial/win32.py @ 39583:ee1e74ee037c
formatter: fill missing resources by formatter, not by resource mapper
While working on demand loading of ctx/fctx objects, I found it's weird
to support lookup in both directions. For instance, fctx can be loaded
from (ctx, path) pair, but ctx may also be derived from fctx.changectx()
in the original mapping. If the original mapping has had fctx but no ctx,
and if the new mapping provides {path}, we can't be sure if fctx should be
updated by fctx'.changectx()[path] or not.
This patch simply drops the support for the resolution in fctx -> ctx -> repo
direction.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Sat, 01 Sep 2018 13:21:45 +0900 |
parents | e7aa113b14f7 |
children | f3900f4c63d4 |
rev | line source |
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1 # win32.py - utility functions that use win32 API |
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2 # |
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import ctypes |
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11 import ctypes.wintypes as wintypes |
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12 import errno |
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13 import msvcrt |
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14 import os |
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15 import random |
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16 import subprocess |
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17 |
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18 from . import ( |
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19 encoding, |
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20 pycompat, |
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21 ) |
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22 |
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23 _kernel32 = ctypes.windll.kernel32 |
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24 _advapi32 = ctypes.windll.advapi32 |
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25 _user32 = ctypes.windll.user32 |
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26 _crypt32 = ctypes.windll.crypt32 |
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27 |
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28 _BOOL = ctypes.c_long |
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29 _WORD = ctypes.c_ushort |
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30 _DWORD = ctypes.c_ulong |
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31 _UINT = ctypes.c_uint |
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32 _LONG = ctypes.c_long |
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33 _LPCSTR = _LPSTR = ctypes.c_char_p |
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34 _HANDLE = ctypes.c_void_p |
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35 _HWND = _HANDLE |
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36 _PCCERT_CONTEXT = ctypes.c_void_p |
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37 _MAX_PATH = wintypes.MAX_PATH |
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38 |
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39 _INVALID_HANDLE_VALUE = _HANDLE(-1).value |
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40 |
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41 # GetLastError |
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42 _ERROR_SUCCESS = 0 |
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43 _ERROR_NO_MORE_FILES = 18 |
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44 _ERROR_INVALID_PARAMETER = 87 |
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45 _ERROR_BROKEN_PIPE = 109 |
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46 _ERROR_INSUFFICIENT_BUFFER = 122 |
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47 _ERROR_NO_DATA = 232 |
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48 |
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49 # WPARAM is defined as UINT_PTR (unsigned type) |
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50 # LPARAM is defined as LONG_PTR (signed type) |
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51 if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p): |
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52 _WPARAM = ctypes.c_ulong |
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53 _LPARAM = ctypes.c_long |
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54 elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p): |
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55 _WPARAM = ctypes.c_ulonglong |
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56 _LPARAM = ctypes.c_longlong |
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57 |
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58 class _FILETIME(ctypes.Structure): |
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59 _fields_ = [('dwLowDateTime', _DWORD), |
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60 ('dwHighDateTime', _DWORD)] |
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61 |
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62 class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure): |
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63 _fields_ = [('dwFileAttributes', _DWORD), |
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64 ('ftCreationTime', _FILETIME), |
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65 ('ftLastAccessTime', _FILETIME), |
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66 ('ftLastWriteTime', _FILETIME), |
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67 ('dwVolumeSerialNumber', _DWORD), |
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68 ('nFileSizeHigh', _DWORD), |
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69 ('nFileSizeLow', _DWORD), |
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70 ('nNumberOfLinks', _DWORD), |
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71 ('nFileIndexHigh', _DWORD), |
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72 ('nFileIndexLow', _DWORD)] |
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73 |
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74 # CreateFile |
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75 _FILE_SHARE_READ = 0x00000001 |
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76 _FILE_SHARE_WRITE = 0x00000002 |
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77 _FILE_SHARE_DELETE = 0x00000004 |
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78 |
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79 _OPEN_EXISTING = 3 |
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80 |
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81 _FILE_FLAG_BACKUP_SEMANTICS = 0x02000000 |
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82 |
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83 # SetFileAttributes |
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84 _FILE_ATTRIBUTE_NORMAL = 0x80 |
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85 _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000 |
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86 |
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87 # Process Security and Access Rights |
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88 _PROCESS_QUERY_INFORMATION = 0x0400 |
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89 |
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90 # GetExitCodeProcess |
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91 _STILL_ACTIVE = 259 |
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92 |
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93 class _STARTUPINFO(ctypes.Structure): |
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94 _fields_ = [('cb', _DWORD), |
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95 ('lpReserved', _LPSTR), |
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96 ('lpDesktop', _LPSTR), |
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97 ('lpTitle', _LPSTR), |
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98 ('dwX', _DWORD), |
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99 ('dwY', _DWORD), |
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100 ('dwXSize', _DWORD), |
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101 ('dwYSize', _DWORD), |
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102 ('dwXCountChars', _DWORD), |
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103 ('dwYCountChars', _DWORD), |
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104 ('dwFillAttribute', _DWORD), |
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105 ('dwFlags', _DWORD), |
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106 ('wShowWindow', _WORD), |
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107 ('cbReserved2', _WORD), |
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108 ('lpReserved2', ctypes.c_char_p), |
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109 ('hStdInput', _HANDLE), |
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110 ('hStdOutput', _HANDLE), |
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111 ('hStdError', _HANDLE)] |
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112 |
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113 class _PROCESS_INFORMATION(ctypes.Structure): |
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114 _fields_ = [('hProcess', _HANDLE), |
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115 ('hThread', _HANDLE), |
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116 ('dwProcessId', _DWORD), |
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117 ('dwThreadId', _DWORD)] |
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118 |
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119 _CREATE_NO_WINDOW = 0x08000000 |
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120 _SW_HIDE = 0 |
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121 |
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122 class _COORD(ctypes.Structure): |
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123 _fields_ = [('X', ctypes.c_short), |
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124 ('Y', ctypes.c_short)] |
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125 |
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126 class _SMALL_RECT(ctypes.Structure): |
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127 _fields_ = [('Left', ctypes.c_short), |
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128 ('Top', ctypes.c_short), |
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129 ('Right', ctypes.c_short), |
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130 ('Bottom', ctypes.c_short)] |
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131 |
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132 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure): |
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133 _fields_ = [('dwSize', _COORD), |
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134 ('dwCursorPosition', _COORD), |
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135 ('wAttributes', _WORD), |
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136 ('srWindow', _SMALL_RECT), |
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137 ('dwMaximumWindowSize', _COORD)] |
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138 |
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139 _STD_OUTPUT_HANDLE = _DWORD(-11).value |
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140 _STD_ERROR_HANDLE = _DWORD(-12).value |
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141 |
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142 # CERT_TRUST_STATUS dwErrorStatus |
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143 CERT_TRUST_IS_PARTIAL_CHAIN = 0x10000 |
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144 |
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145 # CertCreateCertificateContext encodings |
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146 X509_ASN_ENCODING = 0x00000001 |
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147 PKCS_7_ASN_ENCODING = 0x00010000 |
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148 |
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149 # These structs are only complete enough to achieve what we need. |
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150 class CERT_CHAIN_CONTEXT(ctypes.Structure): |
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151 _fields_ = ( |
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152 ("cbSize", _DWORD), |
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153 |
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154 # CERT_TRUST_STATUS struct |
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155 ("dwErrorStatus", _DWORD), |
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156 ("dwInfoStatus", _DWORD), |
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157 |
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158 ("cChain", _DWORD), |
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159 ("rgpChain", ctypes.c_void_p), |
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160 ("cLowerQualityChainContext", _DWORD), |
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161 ("rgpLowerQualityChainContext", ctypes.c_void_p), |
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162 ("fHasRevocationFreshnessTime", _BOOL), |
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163 ("dwRevocationFreshnessTime", _DWORD), |
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164 ) |
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165 |
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166 class CERT_USAGE_MATCH(ctypes.Structure): |
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167 _fields_ = ( |
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168 ("dwType", _DWORD), |
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169 |
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170 # CERT_ENHKEY_USAGE struct |
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171 ("cUsageIdentifier", _DWORD), |
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172 ("rgpszUsageIdentifier", ctypes.c_void_p), # LPSTR * |
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173 ) |
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174 |
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175 class CERT_CHAIN_PARA(ctypes.Structure): |
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176 _fields_ = ( |
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177 ("cbSize", _DWORD), |
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178 ("RequestedUsage", CERT_USAGE_MATCH), |
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179 ("RequestedIssuancePolicy", CERT_USAGE_MATCH), |
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180 ("dwUrlRetrievalTimeout", _DWORD), |
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181 ("fCheckRevocationFreshnessTime", _BOOL), |
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182 ("dwRevocationFreshnessTime", _DWORD), |
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183 ("pftCacheResync", ctypes.c_void_p), # LPFILETIME |
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184 ("pStrongSignPara", ctypes.c_void_p), # PCCERT_STRONG_SIGN_PARA |
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185 ("dwStrongSignFlags", _DWORD), |
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186 ) |
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187 |
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188 # types of parameters of C functions used (required by pypy) |
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189 |
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190 _crypt32.CertCreateCertificateContext.argtypes = [_DWORD, # cert encoding |
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191 ctypes.c_char_p, # cert |
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192 _DWORD] # cert size |
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193 _crypt32.CertCreateCertificateContext.restype = _PCCERT_CONTEXT |
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194 |
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195 _crypt32.CertGetCertificateChain.argtypes = [ |
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196 ctypes.c_void_p, # HCERTCHAINENGINE |
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197 _PCCERT_CONTEXT, |
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198 ctypes.c_void_p, # LPFILETIME |
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199 ctypes.c_void_p, # HCERTSTORE |
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200 ctypes.c_void_p, # PCERT_CHAIN_PARA |
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201 _DWORD, |
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202 ctypes.c_void_p, # LPVOID |
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203 ctypes.c_void_p # PCCERT_CHAIN_CONTEXT * |
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204 ] |
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205 _crypt32.CertGetCertificateChain.restype = _BOOL |
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206 |
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207 _crypt32.CertFreeCertificateContext.argtypes = [_PCCERT_CONTEXT] |
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208 _crypt32.CertFreeCertificateContext.restype = _BOOL |
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209 |
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210 _kernel32.CreateFileA.argtypes = [_LPCSTR, _DWORD, _DWORD, ctypes.c_void_p, |
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211 _DWORD, _DWORD, _HANDLE] |
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212 _kernel32.CreateFileA.restype = _HANDLE |
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213 |
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214 _kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p] |
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215 _kernel32.GetFileInformationByHandle.restype = _BOOL |
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216 |
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217 _kernel32.CloseHandle.argtypes = [_HANDLE] |
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218 _kernel32.CloseHandle.restype = _BOOL |
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219 |
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220 try: |
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221 _kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p] |
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222 _kernel32.CreateHardLinkA.restype = _BOOL |
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223 except AttributeError: |
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224 pass |
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225 |
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226 _kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD] |
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227 _kernel32.SetFileAttributesA.restype = _BOOL |
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228 |
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229 _DRIVE_UNKNOWN = 0 |
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230 _DRIVE_NO_ROOT_DIR = 1 |
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231 _DRIVE_REMOVABLE = 2 |
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232 _DRIVE_FIXED = 3 |
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233 _DRIVE_REMOTE = 4 |
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234 _DRIVE_CDROM = 5 |
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235 _DRIVE_RAMDISK = 6 |
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236 |
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237 _kernel32.GetDriveTypeA.argtypes = [_LPCSTR] |
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238 _kernel32.GetDriveTypeA.restype = _UINT |
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239 |
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240 _kernel32.GetVolumeInformationA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD, |
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241 ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, _DWORD] |
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242 _kernel32.GetVolumeInformationA.restype = _BOOL |
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243 |
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244 _kernel32.GetVolumePathNameA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD] |
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245 _kernel32.GetVolumePathNameA.restype = _BOOL |
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246 |
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247 _kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD] |
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248 _kernel32.OpenProcess.restype = _HANDLE |
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249 |
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250 _kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p] |
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251 _kernel32.GetExitCodeProcess.restype = _BOOL |
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252 |
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253 _kernel32.GetLastError.argtypes = [] |
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254 _kernel32.GetLastError.restype = _DWORD |
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255 |
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256 _kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD] |
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257 _kernel32.GetModuleFileNameA.restype = _DWORD |
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258 |
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259 _kernel32.CreateProcessA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p, |
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260 ctypes.c_void_p, _BOOL, _DWORD, ctypes.c_void_p, _LPCSTR, ctypes.c_void_p, |
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261 ctypes.c_void_p] |
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262 _kernel32.CreateProcessA.restype = _BOOL |
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263 |
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264 _kernel32.ExitProcess.argtypes = [_UINT] |
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265 _kernel32.ExitProcess.restype = None |
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266 |
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267 _kernel32.GetCurrentProcessId.argtypes = [] |
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268 _kernel32.GetCurrentProcessId.restype = _DWORD |
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269 |
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270 _SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD) |
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271 _kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL] |
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272 _kernel32.SetConsoleCtrlHandler.restype = _BOOL |
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273 |
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274 _kernel32.SetConsoleMode.argtypes = [_HANDLE, _DWORD] |
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275 _kernel32.SetConsoleMode.restype = _BOOL |
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276 |
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277 _kernel32.GetConsoleMode.argtypes = [_HANDLE, ctypes.c_void_p] |
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278 _kernel32.GetConsoleMode.restype = _BOOL |
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279 |
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280 _kernel32.GetStdHandle.argtypes = [_DWORD] |
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281 _kernel32.GetStdHandle.restype = _HANDLE |
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282 |
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283 _kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p] |
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284 _kernel32.GetConsoleScreenBufferInfo.restype = _BOOL |
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285 |
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286 _advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p] |
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287 _advapi32.GetUserNameA.restype = _BOOL |
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288 |
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289 _user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p] |
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290 _user32.GetWindowThreadProcessId.restype = _DWORD |
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291 |
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292 _user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int] |
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293 _user32.ShowWindow.restype = _BOOL |
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294 |
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295 _WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM) |
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296 _user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM] |
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297 _user32.EnumWindows.restype = _BOOL |
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298 |
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299 _kernel32.PeekNamedPipe.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD, |
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300 ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p] |
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301 _kernel32.PeekNamedPipe.restype = _BOOL |
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302 |
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303 def _raiseoserror(name): |
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304 # Force the code to a signed int to avoid an 'int too large' error. |
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305 # See https://bugs.python.org/issue28474 |
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306 code = _kernel32.GetLastError() |
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307 if code > 0x7fffffff: |
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308 code -= 2**32 |
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309 err = ctypes.WinError(code=code) |
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310 raise OSError(err.errno, '%s: %s' % (name, |
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311 encoding.strtolocal(err.strerror))) |
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312 |
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313 def _getfileinfo(name): |
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314 fh = _kernel32.CreateFileA(name, 0, |
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315 _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE, |
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316 None, _OPEN_EXISTING, _FILE_FLAG_BACKUP_SEMANTICS, None) |
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317 if fh == _INVALID_HANDLE_VALUE: |
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318 _raiseoserror(name) |
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319 try: |
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320 fi = _BY_HANDLE_FILE_INFORMATION() |
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321 if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)): |
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322 _raiseoserror(name) |
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323 return fi |
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324 finally: |
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325 _kernel32.CloseHandle(fh) |
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326 |
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327 def checkcertificatechain(cert, build=True): |
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328 '''Tests the given certificate to see if there is a complete chain to a |
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329 trusted root certificate. As a side effect, missing certificates are |
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330 downloaded and installed unless ``build=False``. True is returned if a |
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331 chain to a trusted root exists (even if built on the fly), otherwise |
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332 False. NB: A chain to a trusted root does NOT imply that the certificate |
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333 is valid. |
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334 ''' |
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335 |
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336 chainctxptr = ctypes.POINTER(CERT_CHAIN_CONTEXT) |
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337 |
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338 pchainctx = chainctxptr() |
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339 chainpara = CERT_CHAIN_PARA(cbSize=ctypes.sizeof(CERT_CHAIN_PARA), |
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340 RequestedUsage=CERT_USAGE_MATCH()) |
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341 |
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342 certctx = _crypt32.CertCreateCertificateContext(X509_ASN_ENCODING, cert, |
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343 len(cert)) |
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344 if certctx is None: |
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345 _raiseoserror('CertCreateCertificateContext') |
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346 |
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347 flags = 0 |
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348 |
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349 if not build: |
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350 flags |= 0x100 # CERT_CHAIN_DISABLE_AUTH_ROOT_AUTO_UPDATE |
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351 |
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352 try: |
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353 # Building the certificate chain will update root certs as necessary. |
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354 if not _crypt32.CertGetCertificateChain(None, # hChainEngine |
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355 certctx, # pCertContext |
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356 None, # pTime |
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357 None, # hAdditionalStore |
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358 ctypes.byref(chainpara), |
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359 flags, |
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360 None, # pvReserved |
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361 ctypes.byref(pchainctx)): |
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362 _raiseoserror('CertGetCertificateChain') |
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363 |
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364 chainctx = pchainctx.contents |
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365 |
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366 return chainctx.dwErrorStatus & CERT_TRUST_IS_PARTIAL_CHAIN == 0 |
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367 finally: |
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368 if pchainctx: |
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369 _crypt32.CertFreeCertificateChain(pchainctx) |
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370 _crypt32.CertFreeCertificateContext(certctx) |
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371 |
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372 def oslink(src, dst): |
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373 try: |
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374 if not _kernel32.CreateHardLinkA(dst, src, None): |
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375 _raiseoserror(src) |
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376 except AttributeError: # Wine doesn't support this function |
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377 _raiseoserror(src) |
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378 |
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379 def nlinks(name): |
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380 '''return number of hardlinks for the given file''' |
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381 return _getfileinfo(name).nNumberOfLinks |
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382 |
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383 def samefile(path1, path2): |
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384 '''Returns whether path1 and path2 refer to the same file or directory.''' |
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385 res1 = _getfileinfo(path1) |
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386 res2 = _getfileinfo(path2) |
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387 return (res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
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388 and res1.nFileIndexHigh == res2.nFileIndexHigh |
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389 and res1.nFileIndexLow == res2.nFileIndexLow) |
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390 |
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391 def samedevice(path1, path2): |
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392 '''Returns whether path1 and path2 are on the same device.''' |
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393 res1 = _getfileinfo(path1) |
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394 res2 = _getfileinfo(path2) |
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395 return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber |
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396 |
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397 def peekpipe(pipe): |
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398 handle = msvcrt.get_osfhandle(pipe.fileno()) |
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399 avail = _DWORD() |
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400 |
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401 if not _kernel32.PeekNamedPipe(handle, None, 0, None, ctypes.byref(avail), |
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402 None): |
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403 err = _kernel32.GetLastError() |
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404 if err == _ERROR_BROKEN_PIPE: |
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405 return 0 |
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406 raise ctypes.WinError(err) |
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407 |
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408 return avail.value |
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409 |
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410 def lasterrorwaspipeerror(err): |
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411 if err.errno != errno.EINVAL: |
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412 return False |
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413 err = _kernel32.GetLastError() |
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414 return err == _ERROR_BROKEN_PIPE or err == _ERROR_NO_DATA |
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415 |
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416 def testpid(pid): |
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417 '''return True if pid is still running or unable to |
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418 determine, False otherwise''' |
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419 h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid) |
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420 if h: |
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421 try: |
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422 status = _DWORD() |
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423 if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)): |
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424 return status.value == _STILL_ACTIVE |
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425 finally: |
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426 _kernel32.CloseHandle(h) |
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427 return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER |
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428 |
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429 def executablepath(): |
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430 '''return full path of hg.exe''' |
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431 size = 600 |
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432 buf = ctypes.create_string_buffer(size + 1) |
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433 len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size) |
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434 if len == 0: |
24494
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win32: add comment about WinError
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435 raise ctypes.WinError() # Note: WinError is a function |
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436 elif len == size: |
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437 raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER) |
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438 return buf.value |
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|
439 |
35512
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440 def getvolumename(path): |
5cc1becd0493
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441 """Get the mount point of the filesystem from a directory or file |
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|
442 (best-effort) |
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443 |
2062f7c2ac83
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444 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc. |
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445 """ |
2062f7c2ac83
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|
446 # realpath() calls GetFullPathName() |
2062f7c2ac83
win32: implement util.getfstype()
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|
447 realpath = os.path.realpath(path) |
2062f7c2ac83
win32: implement util.getfstype()
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changeset
|
448 |
35550
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win32: do not call GetVolumePathName() with the minimum buffer length
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|
449 # allocate at least MAX_PATH long since GetVolumePathName('c:\\', buf, 4) |
ed30934165c9
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450 # somehow fails on Windows XP |
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|
451 size = max(len(realpath), _MAX_PATH) + 1 |
35510
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|
452 buf = ctypes.create_string_buffer(size) |
2062f7c2ac83
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changeset
|
453 |
2062f7c2ac83
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changeset
|
454 if not _kernel32.GetVolumePathNameA(realpath, ctypes.byref(buf), size): |
2062f7c2ac83
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parents:
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changeset
|
455 raise ctypes.WinError() # Note: WinError is a function |
2062f7c2ac83
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changeset
|
456 |
35512
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|
457 return buf.value |
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|
458 |
5cc1becd0493
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|
459 def getfstype(path): |
5cc1becd0493
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|
460 """Get the filesystem type name from a directory or file (best-effort) |
5cc1becd0493
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|
461 |
5cc1becd0493
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|
462 Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc. |
5cc1becd0493
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|
463 """ |
5cc1becd0493
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|
464 volume = getvolumename(path) |
5cc1becd0493
win32: split a utility function to obtain the volume out of getfstype()
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changeset
|
465 |
5cc1becd0493
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diff
changeset
|
466 t = _kernel32.GetDriveTypeA(volume) |
35510
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parents:
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diff
changeset
|
467 |
2062f7c2ac83
win32: implement util.getfstype()
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parents:
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diff
changeset
|
468 if t == _DRIVE_REMOTE: |
2062f7c2ac83
win32: implement util.getfstype()
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diff
changeset
|
469 return 'cifs' |
2062f7c2ac83
win32: implement util.getfstype()
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diff
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|
470 elif t not in (_DRIVE_REMOVABLE, _DRIVE_FIXED, _DRIVE_CDROM, |
2062f7c2ac83
win32: implement util.getfstype()
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parents:
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diff
changeset
|
471 _DRIVE_RAMDISK): |
2062f7c2ac83
win32: implement util.getfstype()
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parents:
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diff
changeset
|
472 return None |
2062f7c2ac83
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parents:
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diff
changeset
|
473 |
35549
94a127152e25
win32: allocate buffer of maximum length for GetVolumeInformation()
Yuya Nishihara <yuya@tcha.org>
parents:
35512
diff
changeset
|
474 size = _MAX_PATH + 1 |
35510
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diff
changeset
|
475 name = ctypes.create_string_buffer(size) |
2062f7c2ac83
win32: implement util.getfstype()
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parents:
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diff
changeset
|
476 |
35512
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win32: split a utility function to obtain the volume out of getfstype()
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diff
changeset
|
477 if not _kernel32.GetVolumeInformationA(volume, None, 0, None, None, None, |
35510
2062f7c2ac83
win32: implement util.getfstype()
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parents:
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diff
changeset
|
478 ctypes.byref(name), size): |
2062f7c2ac83
win32: implement util.getfstype()
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parents:
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diff
changeset
|
479 raise ctypes.WinError() # Note: WinError is a function |
2062f7c2ac83
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parents:
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diff
changeset
|
480 |
2062f7c2ac83
win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
481 return name.value |
2062f7c2ac83
win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents:
34022
diff
changeset
|
482 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
7778
diff
changeset
|
483 def getuser(): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
484 '''return name of current user''' |
13375
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|
485 size = _DWORD(300) |
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changeset
|
486 buf = ctypes.create_string_buffer(size.value + 1) |
14345
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changeset
|
487 if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)): |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
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parents:
21226
diff
changeset
|
488 raise ctypes.WinError() |
13375
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changeset
|
489 return buf.value |
4672
272c0a09b203
Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents:
4407
diff
changeset
|
490 |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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diff
changeset
|
491 _signalhandler = [] |
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changeset
|
492 |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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diff
changeset
|
493 def setsignalhandler(): |
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changeset
|
494 '''Register a termination handler for console events including |
4672
272c0a09b203
Handle CTRL+C in serve under Windows.
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parents:
4407
diff
changeset
|
495 CTRL+C. python signal handlers do not work well with socket |
272c0a09b203
Handle CTRL+C in serve under Windows.
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parents:
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diff
changeset
|
496 operations. |
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|
497 ''' |
4672
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diff
changeset
|
498 def handler(event): |
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changeset
|
499 _kernel32.ExitProcess(1) |
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diff
changeset
|
500 |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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diff
changeset
|
501 if _signalhandler: |
13375
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changeset
|
502 return # already registered |
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port win32.py to using the Python ctypes library
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changeset
|
503 h = _SIGNAL_HANDLER(handler) |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
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diff
changeset
|
504 _signalhandler.append(h) # needed to prevent garbage collection |
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changeset
|
505 if not _kernel32.SetConsoleCtrlHandler(h, True): |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
21226
diff
changeset
|
506 raise ctypes.WinError() |
13375
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port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
507 |
10240
3af4b39afe2a
cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents:
10219
diff
changeset
|
508 def hidewindow(): |
3af4b39afe2a
cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents:
10219
diff
changeset
|
509 |
13375
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
510 def callback(hwnd, pid): |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
511 wpid = _DWORD() |
14345
bf9a105aed0a
win32.py: add argtypes and restype
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changeset
|
512 _user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid)) |
13375
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port win32.py to using the Python ctypes library
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changeset
|
513 if pid == wpid.value: |
14345
bf9a105aed0a
win32.py: add argtypes and restype
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changeset
|
514 _user32.ShowWindow(hwnd, _SW_HIDE) |
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changeset
|
515 return False # stop enumerating windows |
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changeset
|
516 return True |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
517 |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
518 pid = _kernel32.GetCurrentProcessId() |
14345
bf9a105aed0a
win32.py: add argtypes and restype
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parents:
14344
diff
changeset
|
519 _user32.EnumWindows(_WNDENUMPROC(callback), pid) |
11012
81631f0cf13b
win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10388
diff
changeset
|
520 |
30314
365812902904
scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents:
30313
diff
changeset
|
521 def termsize(): |
13375
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diff
changeset
|
522 # cmd.exe does not handle CR like a unix console, the CR is |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
523 # counted in the line length. On 80 columns consoles, if 80 |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
524 # characters are written, the following CR won't apply on the |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
525 # 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
|
526 width = 80 - 1 |
30314
365812902904
scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents:
30313
diff
changeset
|
527 height = 25 |
13375
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port win32.py to using the Python ctypes library
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diff
changeset
|
528 # Query stderr to avoid problems with redirections |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
529 screenbuf = _kernel32.GetStdHandle( |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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diff
changeset
|
530 _STD_ERROR_HANDLE) # don't close the handle returned |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
531 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
|
532 return width, height |
13375
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diff
changeset
|
533 csbi = _CONSOLE_SCREEN_BUFFER_INFO() |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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parents:
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diff
changeset
|
534 if not _kernel32.GetConsoleScreenBufferInfo( |
f1fa8f481c7c
port win32.py to using the Python ctypes library
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changeset
|
535 screenbuf, ctypes.byref(csbi)): |
30314
365812902904
scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
536 return width, height |
30313
392633d7860e
scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents:
25994
diff
changeset
|
537 width = csbi.srWindow.Right - csbi.srWindow.Left # don't '+ 1' |
30314
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scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
538 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
|
539 return width, height |
13375
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diff
changeset
|
540 |
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
|
541 def enablevtmode(): |
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542 '''Enable virtual terminal mode for the associated console. Return True if |
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543 enabled, else False.''' |
2d56e6d23be7
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|
544 |
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|
545 ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4 |
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546 |
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|
547 handle = _kernel32.GetStdHandle(_STD_OUTPUT_HANDLE) # don't close the handle |
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parents:
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548 if handle == _INVALID_HANDLE_VALUE: |
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549 return False |
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|
550 |
2d56e6d23be7
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|
551 mode = _DWORD(0) |
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parents:
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552 |
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parents:
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553 if not _kernel32.GetConsoleMode(handle, ctypes.byref(mode)): |
2d56e6d23be7
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554 return False |
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parents:
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diff
changeset
|
555 |
2d56e6d23be7
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556 if (mode.value & ENABLE_VIRTUAL_TERMINAL_PROCESSING) == 0: |
2d56e6d23be7
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|
557 mode.value |= ENABLE_VIRTUAL_TERMINAL_PROCESSING |
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parents:
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558 |
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559 if not _kernel32.SetConsoleMode(handle, mode): |
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|
560 return False |
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parents:
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diff
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|
561 |
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parents:
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|
562 return True |
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563 |
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564 def spawndetached(args): |
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565 # No standard library function really spawns a fully detached |
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|
566 # process under win32 because they allocate pipes or other objects |
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567 # to handle standard streams communications. Passing these objects |
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|
568 # to the child process requires handle inheritance to be enabled |
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changeset
|
569 # which makes really detached processes impossible. |
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570 si = _STARTUPINFO() |
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571 si.cb = ctypes.sizeof(_STARTUPINFO) |
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|
572 |
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|
573 pi = _PROCESS_INFORMATION() |
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|
574 |
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diff
changeset
|
575 env = '' |
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py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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|
576 for k in encoding.environ: |
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py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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diff
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|
577 env += "%s=%s\0" % (k, encoding.environ[k]) |
13375
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578 if not env: |
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579 env = '\0' |
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|
580 env += '\0' |
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|
581 |
f1fa8f481c7c
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parents:
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diff
changeset
|
582 args = subprocess.list2cmdline(args) |
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|
583 |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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584 res = _kernel32.CreateProcessA( |
17050
e780fb37168b
win32: specify _CREATE_NO_WINDOW on spawndetached()
Adrian Buehlmann <adrian@cadifra.com>
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diff
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|
585 None, args, None, None, False, _CREATE_NO_WINDOW, |
30667
5861bdbeb9a3
py3: use pycompat.getcwd instead of os.getcwd
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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|
586 env, pycompat.getcwd(), ctypes.byref(si), ctypes.byref(pi)) |
13375
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port win32.py to using the Python ctypes library
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changeset
|
587 if not res: |
24418
a2285e2fc949
win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
21226
diff
changeset
|
588 raise ctypes.WinError() |
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589 |
32676
4c3d9ee87382
win32: drop a py26 daemonizing hack
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
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|
590 return pi.dwProcessId |
13775
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|
591 |
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|
592 def unlink(f): |
930efdc6bfa4
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593 '''try to implement POSIX' unlink semantics on Windows''' |
930efdc6bfa4
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|
594 |
21226
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Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
595 if os.path.isdir(f): |
4898c37e03c0
win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents:
21193
diff
changeset
|
596 # use EPERM because it is POSIX prescribed value, even though |
4898c37e03c0
win32: backout 1a9ebc83a74c
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parents:
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|
597 # unlink(2) on directories returns EISDIR on Linux |
4898c37e03c0
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parents:
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diff
changeset
|
598 raise IOError(errno.EPERM, |
4898c37e03c0
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Steve Borho <steve@borho.org>
parents:
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diff
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|
599 "Unlinking directory not permitted: '%s'" % f) |
19159
1b329f8c7b24
windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18959
diff
changeset
|
600 |
13775
930efdc6bfa4
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|
601 # POSIX allows to unlink and rename open files. Windows has serious |
930efdc6bfa4
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diff
changeset
|
602 # problems with doing that: |
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parents:
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diff
changeset
|
603 # - Calling os.unlink (or os.rename) on a file f fails if f or any |
930efdc6bfa4
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|
604 # hardlinked copy of f has been opened with Python's open(). There is no |
930efdc6bfa4
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diff
changeset
|
605 # way such a file can be deleted or renamed on Windows (other than |
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diff
changeset
|
606 # scheduling the delete or rename for the next reboot). |
930efdc6bfa4
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parents:
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changeset
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607 # - Calling os.unlink on a file that has been opened with Mercurial's |
930efdc6bfa4
windows: move unlink to win32.py
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parents:
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changeset
|
608 # posixfile (or comparable methods) will delay the actual deletion of |
930efdc6bfa4
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changeset
|
609 # the file for as long as the file is held open. The filename is blocked |
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|
610 # during that time and cannot be used for recreating a new file under |
930efdc6bfa4
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|
611 # that same name ("zombie file"). Directories containing such zombie files |
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parents:
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changeset
|
612 # cannot be removed or moved. |
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parents:
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diff
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|
613 # A file that has been opened with posixfile can be renamed, so we rename |
930efdc6bfa4
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|
614 # f to a random temporary name before calling os.unlink on it. This allows |
930efdc6bfa4
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parents:
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changeset
|
615 # callers to recreate f immediately while having other readers do their |
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|
616 # implicit zombie filename blocking on a temporary name. |
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|
617 |
38783
e7aa113b14f7
global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
618 for tries in pycompat.xrange(10): |
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|
619 temp = '%s-%08x' % (f, random.randint(0, 0xffffffff)) |
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|
620 try: |
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|
621 os.rename(f, temp) # raises OSError EEXIST if temp exists |
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changeset
|
622 break |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
623 except OSError as e: |
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624 if e.errno != errno.EEXIST: |
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|
625 raise |
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|
626 else: |
18175
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win32: clean up use of two-argument raise
Augie Fackler <raf@durin42.com>
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17428
diff
changeset
|
627 raise IOError(errno.EEXIST, "No usable temporary filename found") |
13775
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|
628 |
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changeset
|
629 try: |
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changeset
|
630 os.unlink(temp) |
13776
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|
631 except OSError: |
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changeset
|
632 # The unlink might have failed because the READONLY attribute may heave |
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|
633 # been set on the original file. Rename works fine with READONLY set, |
a2f0fdb1e488
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|
634 # but not os.unlink. Reset all attributes and try again. |
a2f0fdb1e488
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|
635 _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL) |
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|
636 try: |
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|
637 os.unlink(temp) |
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|
638 except OSError: |
a2f0fdb1e488
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|
639 # The unlink might have failed due to some very rude AV-Scanners. |
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|
640 # Leaking a tempfile is the lesser evil than aborting here and |
a2f0fdb1e488
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|
641 # leaving some potentially serious inconsistencies. |
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|
642 pass |
13795
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set NOT_CONTENT_INDEXED on .hg dir (issue2694)
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|
643 |
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|
644 def makedir(path, notindexed): |
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|
645 os.mkdir(path) |
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|
646 if notindexed: |
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|
647 _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED) |