Mercurial > hg
annotate mercurial/win32.py @ 8592:cc22b4168879
runtest: do not start testing when there is no test
author | Simon Heimberg <simohe@besonet.ch> |
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date | Tue, 19 May 2009 09:36:20 +0200 |
parents | b6d0fa8c7685 |
children | 284fda4cd093 |
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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 |
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6 # GNU General Public License version 2, incorporated herein by reference. |
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7 |
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8 """Utility functions that use win32 API. |
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9 |
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10 Mark Hammond's win32all package allows better functionality on |
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11 Windows. This module overrides definitions in util.py. If not |
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12 available, import of this module will fail, and generic code will be |
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13 used. |
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14 """ |
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15 |
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16 import win32api |
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17 |
6216 | 18 import errno, os, sys, pywintypes, win32con, win32file, win32process |
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19 import cStringIO, winerror |
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20 import osutil, encoding |
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21 import util |
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22 from win32com.shell import shell,shellcon |
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23 |
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24 class WinError(Exception): |
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25 winerror_map = { |
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26 winerror.ERROR_ACCESS_DENIED: errno.EACCES, |
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27 winerror.ERROR_ACCOUNT_DISABLED: errno.EACCES, |
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28 winerror.ERROR_ACCOUNT_RESTRICTION: errno.EACCES, |
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29 winerror.ERROR_ALREADY_ASSIGNED: errno.EBUSY, |
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30 winerror.ERROR_ALREADY_EXISTS: errno.EEXIST, |
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31 winerror.ERROR_ARITHMETIC_OVERFLOW: errno.ERANGE, |
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32 winerror.ERROR_BAD_COMMAND: errno.EIO, |
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33 winerror.ERROR_BAD_DEVICE: errno.ENODEV, |
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34 winerror.ERROR_BAD_DRIVER_LEVEL: errno.ENXIO, |
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35 winerror.ERROR_BAD_EXE_FORMAT: errno.ENOEXEC, |
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36 winerror.ERROR_BAD_FORMAT: errno.ENOEXEC, |
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37 winerror.ERROR_BAD_LENGTH: errno.EINVAL, |
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38 winerror.ERROR_BAD_PATHNAME: errno.ENOENT, |
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39 winerror.ERROR_BAD_PIPE: errno.EPIPE, |
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40 winerror.ERROR_BAD_UNIT: errno.ENODEV, |
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41 winerror.ERROR_BAD_USERNAME: errno.EINVAL, |
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42 winerror.ERROR_BROKEN_PIPE: errno.EPIPE, |
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43 winerror.ERROR_BUFFER_OVERFLOW: errno.ENAMETOOLONG, |
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44 winerror.ERROR_BUSY: errno.EBUSY, |
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45 winerror.ERROR_BUSY_DRIVE: errno.EBUSY, |
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46 winerror.ERROR_CALL_NOT_IMPLEMENTED: errno.ENOSYS, |
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47 winerror.ERROR_CANNOT_MAKE: errno.EACCES, |
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48 winerror.ERROR_CANTOPEN: errno.EIO, |
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49 winerror.ERROR_CANTREAD: errno.EIO, |
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50 winerror.ERROR_CANTWRITE: errno.EIO, |
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51 winerror.ERROR_CRC: errno.EIO, |
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52 winerror.ERROR_CURRENT_DIRECTORY: errno.EACCES, |
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53 winerror.ERROR_DEVICE_IN_USE: errno.EBUSY, |
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54 winerror.ERROR_DEV_NOT_EXIST: errno.ENODEV, |
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55 winerror.ERROR_DIRECTORY: errno.EINVAL, |
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56 winerror.ERROR_DIR_NOT_EMPTY: errno.ENOTEMPTY, |
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57 winerror.ERROR_DISK_CHANGE: errno.EIO, |
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58 winerror.ERROR_DISK_FULL: errno.ENOSPC, |
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59 winerror.ERROR_DRIVE_LOCKED: errno.EBUSY, |
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60 winerror.ERROR_ENVVAR_NOT_FOUND: errno.EINVAL, |
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61 winerror.ERROR_EXE_MARKED_INVALID: errno.ENOEXEC, |
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62 winerror.ERROR_FILENAME_EXCED_RANGE: errno.ENAMETOOLONG, |
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63 winerror.ERROR_FILE_EXISTS: errno.EEXIST, |
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64 winerror.ERROR_FILE_INVALID: errno.ENODEV, |
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65 winerror.ERROR_FILE_NOT_FOUND: errno.ENOENT, |
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66 winerror.ERROR_GEN_FAILURE: errno.EIO, |
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67 winerror.ERROR_HANDLE_DISK_FULL: errno.ENOSPC, |
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68 winerror.ERROR_INSUFFICIENT_BUFFER: errno.ENOMEM, |
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69 winerror.ERROR_INVALID_ACCESS: errno.EACCES, |
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70 winerror.ERROR_INVALID_ADDRESS: errno.EFAULT, |
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71 winerror.ERROR_INVALID_BLOCK: errno.EFAULT, |
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72 winerror.ERROR_INVALID_DATA: errno.EINVAL, |
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73 winerror.ERROR_INVALID_DRIVE: errno.ENODEV, |
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74 winerror.ERROR_INVALID_EXE_SIGNATURE: errno.ENOEXEC, |
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75 winerror.ERROR_INVALID_FLAGS: errno.EINVAL, |
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76 winerror.ERROR_INVALID_FUNCTION: errno.ENOSYS, |
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77 winerror.ERROR_INVALID_HANDLE: errno.EBADF, |
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78 winerror.ERROR_INVALID_LOGON_HOURS: errno.EACCES, |
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79 winerror.ERROR_INVALID_NAME: errno.EINVAL, |
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80 winerror.ERROR_INVALID_OWNER: errno.EINVAL, |
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81 winerror.ERROR_INVALID_PARAMETER: errno.EINVAL, |
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82 winerror.ERROR_INVALID_PASSWORD: errno.EPERM, |
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83 winerror.ERROR_INVALID_PRIMARY_GROUP: errno.EINVAL, |
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84 winerror.ERROR_INVALID_SIGNAL_NUMBER: errno.EINVAL, |
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85 winerror.ERROR_INVALID_TARGET_HANDLE: errno.EIO, |
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86 winerror.ERROR_INVALID_WORKSTATION: errno.EACCES, |
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87 winerror.ERROR_IO_DEVICE: errno.EIO, |
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88 winerror.ERROR_IO_INCOMPLETE: errno.EINTR, |
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89 winerror.ERROR_LOCKED: errno.EBUSY, |
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90 winerror.ERROR_LOCK_VIOLATION: errno.EACCES, |
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91 winerror.ERROR_LOGON_FAILURE: errno.EACCES, |
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92 winerror.ERROR_MAPPED_ALIGNMENT: errno.EINVAL, |
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93 winerror.ERROR_META_EXPANSION_TOO_LONG: errno.E2BIG, |
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94 winerror.ERROR_MORE_DATA: errno.EPIPE, |
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95 winerror.ERROR_NEGATIVE_SEEK: errno.ESPIPE, |
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96 winerror.ERROR_NOACCESS: errno.EFAULT, |
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97 winerror.ERROR_NONE_MAPPED: errno.EINVAL, |
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98 winerror.ERROR_NOT_ENOUGH_MEMORY: errno.ENOMEM, |
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99 winerror.ERROR_NOT_READY: errno.EAGAIN, |
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100 winerror.ERROR_NOT_SAME_DEVICE: errno.EXDEV, |
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101 winerror.ERROR_NO_DATA: errno.EPIPE, |
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102 winerror.ERROR_NO_MORE_SEARCH_HANDLES: errno.EIO, |
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103 winerror.ERROR_NO_PROC_SLOTS: errno.EAGAIN, |
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104 winerror.ERROR_NO_SUCH_PRIVILEGE: errno.EACCES, |
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105 winerror.ERROR_OPEN_FAILED: errno.EIO, |
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106 winerror.ERROR_OPEN_FILES: errno.EBUSY, |
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107 winerror.ERROR_OPERATION_ABORTED: errno.EINTR, |
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108 winerror.ERROR_OUTOFMEMORY: errno.ENOMEM, |
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109 winerror.ERROR_PASSWORD_EXPIRED: errno.EACCES, |
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110 winerror.ERROR_PATH_BUSY: errno.EBUSY, |
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111 winerror.ERROR_PATH_NOT_FOUND: errno.ENOENT, |
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112 winerror.ERROR_PIPE_BUSY: errno.EBUSY, |
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113 winerror.ERROR_PIPE_CONNECTED: errno.EPIPE, |
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114 winerror.ERROR_PIPE_LISTENING: errno.EPIPE, |
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115 winerror.ERROR_PIPE_NOT_CONNECTED: errno.EPIPE, |
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116 winerror.ERROR_PRIVILEGE_NOT_HELD: errno.EACCES, |
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117 winerror.ERROR_READ_FAULT: errno.EIO, |
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118 winerror.ERROR_SEEK: errno.EIO, |
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119 winerror.ERROR_SEEK_ON_DEVICE: errno.ESPIPE, |
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120 winerror.ERROR_SHARING_BUFFER_EXCEEDED: errno.ENFILE, |
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121 winerror.ERROR_SHARING_VIOLATION: errno.EACCES, |
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122 winerror.ERROR_STACK_OVERFLOW: errno.ENOMEM, |
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123 winerror.ERROR_SWAPERROR: errno.ENOENT, |
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124 winerror.ERROR_TOO_MANY_MODULES: errno.EMFILE, |
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125 winerror.ERROR_TOO_MANY_OPEN_FILES: errno.EMFILE, |
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126 winerror.ERROR_UNRECOGNIZED_MEDIA: errno.ENXIO, |
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127 winerror.ERROR_UNRECOGNIZED_VOLUME: errno.ENODEV, |
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128 winerror.ERROR_WAIT_NO_CHILDREN: errno.ECHILD, |
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129 winerror.ERROR_WRITE_FAULT: errno.EIO, |
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130 winerror.ERROR_WRITE_PROTECT: errno.EROFS, |
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131 } |
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132 |
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133 def __init__(self, err): |
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134 try: |
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135 # unpack a pywintypes.error tuple |
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136 self.win_errno, self.win_function, self.win_strerror = err |
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137 except ValueError: |
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138 # get attributes from a WindowsError |
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139 self.win_errno = err.winerror |
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140 self.win_function = None |
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141 self.win_strerror = err.strerror |
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142 self.win_strerror = self.win_strerror.rstrip('.') |
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143 |
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144 class WinIOError(WinError, IOError): |
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145 def __init__(self, err, filename=None): |
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146 WinError.__init__(self, err) |
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147 IOError.__init__(self, self.winerror_map.get(self.win_errno, 0), |
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148 self.win_strerror) |
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149 self.filename = filename |
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150 |
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151 class WinOSError(WinError, OSError): |
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152 def __init__(self, err): |
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153 WinError.__init__(self, err) |
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154 OSError.__init__(self, self.winerror_map.get(self.win_errno, 0), |
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155 self.win_strerror) |
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156 |
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157 def os_link(src, dst): |
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158 try: |
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159 win32file.CreateHardLink(dst, src) |
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160 # CreateHardLink sometimes succeeds on mapped drives but |
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161 # following nlinks() returns 1. Check it now and bail out. |
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162 if nlinks(src) < 2: |
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163 try: |
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164 win32file.DeleteFile(dst) |
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165 except: |
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166 pass |
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167 # Fake hardlinking error |
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168 raise WinOSError((18, 'CreateHardLink', 'The system cannot ' |
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169 'move the file to a different disk drive')) |
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170 except pywintypes.error, details: |
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171 raise WinOSError(details) |
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172 except NotImplementedError: # Another fake error win Win98 |
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173 raise WinOSError((18, 'CreateHardLink', 'Hardlinking not supported')) |
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174 |
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175 def nlinks(pathname): |
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176 """Return number of hardlinks for the given file.""" |
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177 try: |
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178 fh = win32file.CreateFile(pathname, |
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179 win32file.GENERIC_READ, win32file.FILE_SHARE_READ, |
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180 None, win32file.OPEN_EXISTING, 0, None) |
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181 res = win32file.GetFileInformationByHandle(fh) |
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182 fh.Close() |
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183 return res[7] |
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184 except pywintypes.error: |
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185 return os.lstat(pathname).st_nlink |
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186 |
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187 def testpid(pid): |
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188 '''return True if pid is still running or unable to |
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189 determine, False otherwise''' |
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190 try: |
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191 handle = win32api.OpenProcess( |
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192 win32con.PROCESS_QUERY_INFORMATION, False, pid) |
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193 if handle: |
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194 status = win32process.GetExitCodeProcess(handle) |
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195 return status == win32con.STILL_ACTIVE |
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196 except pywintypes.error, details: |
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197 return details[0] != winerror.ERROR_INVALID_PARAMETER |
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198 return True |
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199 |
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200 def lookup_reg(key, valname=None, scope=None): |
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201 ''' Look up a key/value name in the Windows registry. |
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202 |
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203 valname: value name. If unspecified, the default value for the key |
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204 is used. |
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205 scope: optionally specify scope for registry lookup, this can be |
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206 a sequence of scopes to look up in order. Default (CURRENT_USER, |
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207 LOCAL_MACHINE). |
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208 ''' |
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209 try: |
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210 from _winreg import HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE, \ |
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211 QueryValueEx, OpenKey |
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212 except ImportError: |
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213 return None |
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214 |
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215 if scope is None: |
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216 scope = (HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE) |
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217 elif not isinstance(scope, (list, tuple)): |
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218 scope = (scope,) |
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219 for s in scope: |
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220 try: |
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221 val = QueryValueEx(OpenKey(s, key), valname)[0] |
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222 # never let a Unicode string escape into the wild |
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223 return encoding.tolocal(val.encode('UTF-8')) |
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224 except EnvironmentError: |
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225 pass |
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226 |
2117 | 227 def system_rcpath_win32(): |
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228 '''return default os-specific hgrc search path''' |
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229 proc = win32api.GetCurrentProcess() |
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230 try: |
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231 # This will fail on windows < NT |
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232 filename = win32process.GetModuleFileNameEx(proc, 0) |
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233 except: |
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234 filename = win32api.GetModuleFileName(0) |
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235 # Use mercurial.ini found in directory with hg.exe |
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236 progrc = os.path.join(os.path.dirname(filename), 'mercurial.ini') |
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237 if os.path.isfile(progrc): |
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238 return [progrc] |
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239 # else look for a system rcpath in the registry |
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240 try: |
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241 value = win32api.RegQueryValue( |
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242 win32con.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Mercurial') |
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243 rcpath = [] |
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244 for p in value.split(os.pathsep): |
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245 if p.lower().endswith('mercurial.ini'): |
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246 rcpath.append(p) |
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247 elif os.path.isdir(p): |
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248 for f, kind in osutil.listdir(p): |
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249 if f.endswith('.rc'): |
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250 rcpath.append(os.path.join(p, f)) |
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251 return rcpath |
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252 except pywintypes.error: |
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253 return [] |
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254 |
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255 def user_rcpath_win32(): |
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256 '''return os-specific hgrc search path to the user dir''' |
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257 userdir = os.path.expanduser('~') |
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258 if sys.getwindowsversion()[3] != 2 and userdir == '~': |
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259 # We are on win < nt: fetch the APPDATA directory location and use |
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260 # the parent directory as the user home dir. |
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261 appdir = shell.SHGetPathFromIDList( |
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262 shell.SHGetSpecialFolderLocation(0, shellcon.CSIDL_APPDATA)) |
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263 userdir = os.path.dirname(appdir) |
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264 return [os.path.join(userdir, 'mercurial.ini'), |
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265 os.path.join(userdir, '.hgrc')] |
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266 |
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267 def getuser(): |
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268 '''return name of current user''' |
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269 return win32api.GetUserName() |
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270 |
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271 def set_signal_handler_win32(): |
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272 """Register a termination handler for console events including |
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273 CTRL+C. python signal handlers do not work well with socket |
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274 operations. |
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275 """ |
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276 def handler(event): |
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277 win32process.ExitProcess(1) |
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278 win32api.SetConsoleCtrlHandler(handler) |
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279 |