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annotate mercurial/util_win32.py @ 2105:21cf3fe64e27

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Merge with cmason
author Matt Mackall <mpm@selenic.com>
date Thu, 20 Apr 2006 12:12:03 -0500
parents e18beba54a7e
children 760339ccc799
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1 # util_win32.py - utility functions that use win32 API
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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5 #
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6 # This software may be used and distributed according to the terms of
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7 # the GNU General Public License, incorporated herein by reference.
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8
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9 # Mark Hammond's win32all package allows better functionality on
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10 # Windows. this module overrides definitions in util.py. if not
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11 # available, import of this module will fail, and generic code will be
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12 # used.
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13
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14 import win32api
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15
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16 from demandload import *
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17 from i18n import gettext as _
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18 demandload(globals(), 'errno os pywintypes win32con win32file win32process')
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19 demandload(globals(), 'winerror')
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20
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21 class WinError(OSError):
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22 winerror_map = {
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23 winerror.ERROR_ACCESS_DENIED: errno.EACCES,
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24 winerror.ERROR_ACCOUNT_DISABLED: errno.EACCES,
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25 winerror.ERROR_ACCOUNT_RESTRICTION: errno.EACCES,
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26 winerror.ERROR_ALREADY_ASSIGNED: errno.EBUSY,
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27 winerror.ERROR_ALREADY_EXISTS: errno.EEXIST,
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28 winerror.ERROR_ARITHMETIC_OVERFLOW: errno.ERANGE,
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29 winerror.ERROR_BAD_COMMAND: errno.EIO,
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30 winerror.ERROR_BAD_DEVICE: errno.ENODEV,
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31 winerror.ERROR_BAD_DRIVER_LEVEL: errno.ENXIO,
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32 winerror.ERROR_BAD_EXE_FORMAT: errno.ENOEXEC,
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33 winerror.ERROR_BAD_FORMAT: errno.ENOEXEC,
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34 winerror.ERROR_BAD_LENGTH: errno.EINVAL,
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35 winerror.ERROR_BAD_PATHNAME: errno.ENOENT,
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36 winerror.ERROR_BAD_PIPE: errno.EPIPE,
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37 winerror.ERROR_BAD_UNIT: errno.ENODEV,
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38 winerror.ERROR_BAD_USERNAME: errno.EINVAL,
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39 winerror.ERROR_BROKEN_PIPE: errno.EPIPE,
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40 winerror.ERROR_BUFFER_OVERFLOW: errno.ENAMETOOLONG,
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41 winerror.ERROR_BUSY: errno.EBUSY,
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42 winerror.ERROR_BUSY_DRIVE: errno.EBUSY,
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43 winerror.ERROR_CALL_NOT_IMPLEMENTED: errno.ENOSYS,
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44 winerror.ERROR_CANNOT_MAKE: errno.EACCES,
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45 winerror.ERROR_CANTOPEN: errno.EIO,
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46 winerror.ERROR_CANTREAD: errno.EIO,
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47 winerror.ERROR_CANTWRITE: errno.EIO,
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48 winerror.ERROR_CRC: errno.EIO,
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49 winerror.ERROR_CURRENT_DIRECTORY: errno.EACCES,
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50 winerror.ERROR_DEVICE_IN_USE: errno.EBUSY,
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51 winerror.ERROR_DEV_NOT_EXIST: errno.ENODEV,
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52 winerror.ERROR_DIRECTORY: errno.EINVAL,
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53 winerror.ERROR_DIR_NOT_EMPTY: errno.ENOTEMPTY,
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54 winerror.ERROR_DISK_CHANGE: errno.EIO,
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55 winerror.ERROR_DISK_FULL: errno.ENOSPC,
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56 winerror.ERROR_DRIVE_LOCKED: errno.EBUSY,
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57 winerror.ERROR_ENVVAR_NOT_FOUND: errno.EINVAL,
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58 winerror.ERROR_EXE_MARKED_INVALID: errno.ENOEXEC,
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59 winerror.ERROR_FILENAME_EXCED_RANGE: errno.ENAMETOOLONG,
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60 winerror.ERROR_FILE_EXISTS: errno.EEXIST,
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61 winerror.ERROR_FILE_INVALID: errno.ENODEV,
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62 winerror.ERROR_FILE_NOT_FOUND: errno.ENOENT,
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63 winerror.ERROR_GEN_FAILURE: errno.EIO,
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64 winerror.ERROR_HANDLE_DISK_FULL: errno.ENOSPC,
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65 winerror.ERROR_INSUFFICIENT_BUFFER: errno.ENOMEM,
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66 winerror.ERROR_INVALID_ACCESS: errno.EACCES,
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67 winerror.ERROR_INVALID_ADDRESS: errno.EFAULT,
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68 winerror.ERROR_INVALID_BLOCK: errno.EFAULT,
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69 winerror.ERROR_INVALID_DATA: errno.EINVAL,
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70 winerror.ERROR_INVALID_DRIVE: errno.ENODEV,
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71 winerror.ERROR_INVALID_EXE_SIGNATURE: errno.ENOEXEC,
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72 winerror.ERROR_INVALID_FLAGS: errno.EINVAL,
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73 winerror.ERROR_INVALID_FUNCTION: errno.ENOSYS,
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74 winerror.ERROR_INVALID_HANDLE: errno.EBADF,
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75 winerror.ERROR_INVALID_LOGON_HOURS: errno.EACCES,
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76 winerror.ERROR_INVALID_NAME: errno.EINVAL,
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77 winerror.ERROR_INVALID_OWNER: errno.EINVAL,
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78 winerror.ERROR_INVALID_PARAMETER: errno.EINVAL,
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79 winerror.ERROR_INVALID_PASSWORD: errno.EPERM,
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80 winerror.ERROR_INVALID_PRIMARY_GROUP: errno.EINVAL,
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81 winerror.ERROR_INVALID_SIGNAL_NUMBER: errno.EINVAL,
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82 winerror.ERROR_INVALID_TARGET_HANDLE: errno.EIO,
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83 winerror.ERROR_INVALID_WORKSTATION: errno.EACCES,
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84 winerror.ERROR_IO_DEVICE: errno.EIO,
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85 winerror.ERROR_IO_INCOMPLETE: errno.EINTR,
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86 winerror.ERROR_LOCKED: errno.EBUSY,
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87 winerror.ERROR_LOCK_VIOLATION: errno.EACCES,
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88 winerror.ERROR_LOGON_FAILURE: errno.EACCES,
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89 winerror.ERROR_MAPPED_ALIGNMENT: errno.EINVAL,
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90 winerror.ERROR_META_EXPANSION_TOO_LONG: errno.E2BIG,
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91 winerror.ERROR_MORE_DATA: errno.EPIPE,
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92 winerror.ERROR_NEGATIVE_SEEK: errno.ESPIPE,
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93 winerror.ERROR_NOACCESS: errno.EFAULT,
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94 winerror.ERROR_NONE_MAPPED: errno.EINVAL,
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95 winerror.ERROR_NOT_ENOUGH_MEMORY: errno.ENOMEM,
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96 winerror.ERROR_NOT_READY: errno.EAGAIN,
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97 winerror.ERROR_NOT_SAME_DEVICE: errno.EXDEV,
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98 winerror.ERROR_NO_DATA: errno.EPIPE,
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99 winerror.ERROR_NO_MORE_SEARCH_HANDLES: errno.EIO,
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100 winerror.ERROR_NO_PROC_SLOTS: errno.EAGAIN,
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101 winerror.ERROR_NO_SUCH_PRIVILEGE: errno.EACCES,
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102 winerror.ERROR_OPEN_FAILED: errno.EIO,
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103 winerror.ERROR_OPEN_FILES: errno.EBUSY,
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104 winerror.ERROR_OPERATION_ABORTED: errno.EINTR,
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105 winerror.ERROR_OUTOFMEMORY: errno.ENOMEM,
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106 winerror.ERROR_PASSWORD_EXPIRED: errno.EACCES,
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107 winerror.ERROR_PATH_BUSY: errno.EBUSY,
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108 winerror.ERROR_PATH_NOT_FOUND: errno.ENOTDIR,
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109 winerror.ERROR_PIPE_BUSY: errno.EBUSY,
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110 winerror.ERROR_PIPE_CONNECTED: errno.EPIPE,
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111 winerror.ERROR_PIPE_LISTENING: errno.EPIPE,
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112 winerror.ERROR_PIPE_NOT_CONNECTED: errno.EPIPE,
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113 winerror.ERROR_PRIVILEGE_NOT_HELD: errno.EACCES,
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114 winerror.ERROR_READ_FAULT: errno.EIO,
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115 winerror.ERROR_SEEK: errno.EIO,
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116 winerror.ERROR_SEEK_ON_DEVICE: errno.ESPIPE,
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117 winerror.ERROR_SHARING_BUFFER_EXCEEDED: errno.ENFILE,
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118 winerror.ERROR_SHARING_VIOLATION: errno.EACCES,
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119 winerror.ERROR_STACK_OVERFLOW: errno.ENOMEM,
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120 winerror.ERROR_SWAPERROR: errno.ENOENT,
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121 winerror.ERROR_TOO_MANY_MODULES: errno.EMFILE,
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122 winerror.ERROR_TOO_MANY_OPEN_FILES: errno.EMFILE,
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123 winerror.ERROR_UNRECOGNIZED_MEDIA: errno.ENXIO,
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124 winerror.ERROR_UNRECOGNIZED_VOLUME: errno.ENODEV,
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125 winerror.ERROR_WAIT_NO_CHILDREN: errno.ECHILD,
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126 winerror.ERROR_WRITE_FAULT: errno.EIO,
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127 winerror.ERROR_WRITE_PROTECT: errno.EROFS,
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128 }
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129
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130 def __init__(self, err):
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131 self.win_errno, self.win_function, self.win_strerror = err
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132 OSError.__init__(self, self.winerror_map.get(self.win_errno, 0),
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133 self.win_strerror)
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134
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135 def os_link(src, dst):
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136 # NB will only succeed on NTFS
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137 try:
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138 win32file.CreateHardLink(dst, src)
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139 except pywintypes.error, details:
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140 raise WinError(details)
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141
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142 def nlinks(pathname):
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143 """Return number of hardlinks for the given file."""
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144 try:
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145 fh = win32file.CreateFile(pathname,
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146 win32file.GENERIC_READ, win32file.FILE_SHARE_READ,
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147 None, win32file.OPEN_EXISTING, 0, None)
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148 res = win32file.GetFileInformationByHandle(fh)
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149 fh.Close()
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150 return res[7]
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151 except pywintypes.error:
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152 return os.stat(pathname).st_nlink
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153
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154 def testpid(pid):
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155 '''return True if pid is still running or unable to
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156 determine, False otherwise'''
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157 try:
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158 handle = win32api.OpenProcess(
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159 win32con.PROCESS_QUERY_INFORMATION, False, pid)
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160 if handle:
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161 status = win32process.GetExitCodeProcess(handle)
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162 return status == win32con.STILL_ACTIVE
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163 except pywintypes.error, details:
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164 return details[0] != winerror.ERROR_INVALID_PARAMETER
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165 return True
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166
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167 def system_rcpath():
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168 '''return default os-specific hgrc search path'''
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169 proc = win32api.GetCurrentProcess()
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170 filename = win32process.GetModuleFileNameEx(proc, 0)
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171 return [os.path.join(os.path.dirname(filename), 'mercurial.ini')]