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@@ -1,325 +1,325 b'' | |||
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1 | 1 | # util_win32.py - utility functions that use win32 API |
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2 | 2 | # |
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3 | 3 | # Copyright 2005 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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5 | 5 | # |
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6 | 6 | # This software may be used and distributed according to the terms of |
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7 | 7 | # the GNU General Public License, incorporated herein by reference. |
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8 | 8 | |
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9 | 9 | # Mark Hammond's win32all package allows better functionality on |
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10 | 10 | # Windows. this module overrides definitions in util.py. if not |
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11 | 11 | # available, import of this module will fail, and generic code will be |
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12 | 12 | # used. |
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13 | 13 | |
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14 | 14 | import win32api |
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15 | 15 | |
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16 | 16 | from i18n import _ |
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17 | 17 | import errno, os, pywintypes, win32con, win32file, win32process |
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18 | 18 | import cStringIO, winerror |
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19 | 19 | import osutil |
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20 | 20 | from win32com.shell import shell,shellcon |
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21 | 21 | |
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22 | 22 | class WinError: |
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23 | 23 | winerror_map = { |
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24 | 24 | winerror.ERROR_ACCESS_DENIED: errno.EACCES, |
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25 | 25 | winerror.ERROR_ACCOUNT_DISABLED: errno.EACCES, |
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26 | 26 | winerror.ERROR_ACCOUNT_RESTRICTION: errno.EACCES, |
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27 | 27 | winerror.ERROR_ALREADY_ASSIGNED: errno.EBUSY, |
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28 | 28 | winerror.ERROR_ALREADY_EXISTS: errno.EEXIST, |
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29 | 29 | winerror.ERROR_ARITHMETIC_OVERFLOW: errno.ERANGE, |
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30 | 30 | winerror.ERROR_BAD_COMMAND: errno.EIO, |
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31 | 31 | winerror.ERROR_BAD_DEVICE: errno.ENODEV, |
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32 | 32 | winerror.ERROR_BAD_DRIVER_LEVEL: errno.ENXIO, |
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33 | 33 | winerror.ERROR_BAD_EXE_FORMAT: errno.ENOEXEC, |
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34 | 34 | winerror.ERROR_BAD_FORMAT: errno.ENOEXEC, |
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35 | 35 | winerror.ERROR_BAD_LENGTH: errno.EINVAL, |
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36 | 36 | winerror.ERROR_BAD_PATHNAME: errno.ENOENT, |
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37 | 37 | winerror.ERROR_BAD_PIPE: errno.EPIPE, |
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38 | 38 | winerror.ERROR_BAD_UNIT: errno.ENODEV, |
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39 | 39 | winerror.ERROR_BAD_USERNAME: errno.EINVAL, |
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40 | 40 | winerror.ERROR_BROKEN_PIPE: errno.EPIPE, |
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41 | 41 | winerror.ERROR_BUFFER_OVERFLOW: errno.ENAMETOOLONG, |
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42 | 42 | winerror.ERROR_BUSY: errno.EBUSY, |
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43 | 43 | winerror.ERROR_BUSY_DRIVE: errno.EBUSY, |
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44 | 44 | winerror.ERROR_CALL_NOT_IMPLEMENTED: errno.ENOSYS, |
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45 | 45 | winerror.ERROR_CANNOT_MAKE: errno.EACCES, |
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46 | 46 | winerror.ERROR_CANTOPEN: errno.EIO, |
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47 | 47 | winerror.ERROR_CANTREAD: errno.EIO, |
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48 | 48 | winerror.ERROR_CANTWRITE: errno.EIO, |
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49 | 49 | winerror.ERROR_CRC: errno.EIO, |
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50 | 50 | winerror.ERROR_CURRENT_DIRECTORY: errno.EACCES, |
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51 | 51 | winerror.ERROR_DEVICE_IN_USE: errno.EBUSY, |
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52 | 52 | winerror.ERROR_DEV_NOT_EXIST: errno.ENODEV, |
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53 | 53 | winerror.ERROR_DIRECTORY: errno.EINVAL, |
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54 | 54 | winerror.ERROR_DIR_NOT_EMPTY: errno.ENOTEMPTY, |
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55 | 55 | winerror.ERROR_DISK_CHANGE: errno.EIO, |
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56 | 56 | winerror.ERROR_DISK_FULL: errno.ENOSPC, |
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57 | 57 | winerror.ERROR_DRIVE_LOCKED: errno.EBUSY, |
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58 | 58 | winerror.ERROR_ENVVAR_NOT_FOUND: errno.EINVAL, |
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59 | 59 | winerror.ERROR_EXE_MARKED_INVALID: errno.ENOEXEC, |
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60 | 60 | winerror.ERROR_FILENAME_EXCED_RANGE: errno.ENAMETOOLONG, |
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61 | 61 | winerror.ERROR_FILE_EXISTS: errno.EEXIST, |
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62 | 62 | winerror.ERROR_FILE_INVALID: errno.ENODEV, |
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63 | 63 | winerror.ERROR_FILE_NOT_FOUND: errno.ENOENT, |
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64 | 64 | winerror.ERROR_GEN_FAILURE: errno.EIO, |
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65 | 65 | winerror.ERROR_HANDLE_DISK_FULL: errno.ENOSPC, |
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66 | 66 | winerror.ERROR_INSUFFICIENT_BUFFER: errno.ENOMEM, |
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67 | 67 | winerror.ERROR_INVALID_ACCESS: errno.EACCES, |
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68 | 68 | winerror.ERROR_INVALID_ADDRESS: errno.EFAULT, |
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69 | 69 | winerror.ERROR_INVALID_BLOCK: errno.EFAULT, |
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70 | 70 | winerror.ERROR_INVALID_DATA: errno.EINVAL, |
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71 | 71 | winerror.ERROR_INVALID_DRIVE: errno.ENODEV, |
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72 | 72 | winerror.ERROR_INVALID_EXE_SIGNATURE: errno.ENOEXEC, |
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73 | 73 | winerror.ERROR_INVALID_FLAGS: errno.EINVAL, |
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74 | 74 | winerror.ERROR_INVALID_FUNCTION: errno.ENOSYS, |
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75 | 75 | winerror.ERROR_INVALID_HANDLE: errno.EBADF, |
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76 | 76 | winerror.ERROR_INVALID_LOGON_HOURS: errno.EACCES, |
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77 | 77 | winerror.ERROR_INVALID_NAME: errno.EINVAL, |
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78 | 78 | winerror.ERROR_INVALID_OWNER: errno.EINVAL, |
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79 | 79 | winerror.ERROR_INVALID_PARAMETER: errno.EINVAL, |
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80 | 80 | winerror.ERROR_INVALID_PASSWORD: errno.EPERM, |
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81 | 81 | winerror.ERROR_INVALID_PRIMARY_GROUP: errno.EINVAL, |
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82 | 82 | winerror.ERROR_INVALID_SIGNAL_NUMBER: errno.EINVAL, |
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83 | 83 | winerror.ERROR_INVALID_TARGET_HANDLE: errno.EIO, |
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84 | 84 | winerror.ERROR_INVALID_WORKSTATION: errno.EACCES, |
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85 | 85 | winerror.ERROR_IO_DEVICE: errno.EIO, |
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86 | 86 | winerror.ERROR_IO_INCOMPLETE: errno.EINTR, |
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87 | 87 | winerror.ERROR_LOCKED: errno.EBUSY, |
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88 | 88 | winerror.ERROR_LOCK_VIOLATION: errno.EACCES, |
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89 | 89 | winerror.ERROR_LOGON_FAILURE: errno.EACCES, |
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90 | 90 | winerror.ERROR_MAPPED_ALIGNMENT: errno.EINVAL, |
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91 | 91 | winerror.ERROR_META_EXPANSION_TOO_LONG: errno.E2BIG, |
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92 | 92 | winerror.ERROR_MORE_DATA: errno.EPIPE, |
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93 | 93 | winerror.ERROR_NEGATIVE_SEEK: errno.ESPIPE, |
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94 | 94 | winerror.ERROR_NOACCESS: errno.EFAULT, |
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95 | 95 | winerror.ERROR_NONE_MAPPED: errno.EINVAL, |
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96 | 96 | winerror.ERROR_NOT_ENOUGH_MEMORY: errno.ENOMEM, |
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97 | 97 | winerror.ERROR_NOT_READY: errno.EAGAIN, |
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98 | 98 | winerror.ERROR_NOT_SAME_DEVICE: errno.EXDEV, |
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99 | 99 | winerror.ERROR_NO_DATA: errno.EPIPE, |
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100 | 100 | winerror.ERROR_NO_MORE_SEARCH_HANDLES: errno.EIO, |
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101 | 101 | winerror.ERROR_NO_PROC_SLOTS: errno.EAGAIN, |
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102 | 102 | winerror.ERROR_NO_SUCH_PRIVILEGE: errno.EACCES, |
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103 | 103 | winerror.ERROR_OPEN_FAILED: errno.EIO, |
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104 | 104 | winerror.ERROR_OPEN_FILES: errno.EBUSY, |
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105 | 105 | winerror.ERROR_OPERATION_ABORTED: errno.EINTR, |
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106 | 106 | winerror.ERROR_OUTOFMEMORY: errno.ENOMEM, |
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107 | 107 | winerror.ERROR_PASSWORD_EXPIRED: errno.EACCES, |
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108 | 108 | winerror.ERROR_PATH_BUSY: errno.EBUSY, |
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109 | 109 | winerror.ERROR_PATH_NOT_FOUND: errno.ENOENT, |
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110 | 110 | winerror.ERROR_PIPE_BUSY: errno.EBUSY, |
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111 | 111 | winerror.ERROR_PIPE_CONNECTED: errno.EPIPE, |
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112 | 112 | winerror.ERROR_PIPE_LISTENING: errno.EPIPE, |
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113 | 113 | winerror.ERROR_PIPE_NOT_CONNECTED: errno.EPIPE, |
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114 | 114 | winerror.ERROR_PRIVILEGE_NOT_HELD: errno.EACCES, |
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115 | 115 | winerror.ERROR_READ_FAULT: errno.EIO, |
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116 | 116 | winerror.ERROR_SEEK: errno.EIO, |
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117 | 117 | winerror.ERROR_SEEK_ON_DEVICE: errno.ESPIPE, |
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118 | 118 | winerror.ERROR_SHARING_BUFFER_EXCEEDED: errno.ENFILE, |
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119 | 119 | winerror.ERROR_SHARING_VIOLATION: errno.EACCES, |
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120 | 120 | winerror.ERROR_STACK_OVERFLOW: errno.ENOMEM, |
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121 | 121 | winerror.ERROR_SWAPERROR: errno.ENOENT, |
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122 | 122 | winerror.ERROR_TOO_MANY_MODULES: errno.EMFILE, |
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123 | 123 | winerror.ERROR_TOO_MANY_OPEN_FILES: errno.EMFILE, |
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124 | 124 | winerror.ERROR_UNRECOGNIZED_MEDIA: errno.ENXIO, |
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125 | 125 | winerror.ERROR_UNRECOGNIZED_VOLUME: errno.ENODEV, |
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126 | 126 | winerror.ERROR_WAIT_NO_CHILDREN: errno.ECHILD, |
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127 | 127 | winerror.ERROR_WRITE_FAULT: errno.EIO, |
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128 | 128 | winerror.ERROR_WRITE_PROTECT: errno.EROFS, |
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129 | 129 | } |
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130 | 130 | |
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131 | 131 | def __init__(self, err): |
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132 | 132 | self.win_errno, self.win_function, self.win_strerror = err |
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133 | 133 | if self.win_strerror.endswith('.'): |
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134 | 134 | self.win_strerror = self.win_strerror[:-1] |
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135 | 135 | |
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136 | 136 | class WinIOError(WinError, IOError): |
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137 | 137 | def __init__(self, err, filename=None): |
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138 | 138 | WinError.__init__(self, err) |
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139 | 139 | IOError.__init__(self, self.winerror_map.get(self.win_errno, 0), |
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140 | 140 | self.win_strerror) |
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141 | 141 | self.filename = filename |
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142 | 142 | |
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143 | 143 | class WinOSError(WinError, OSError): |
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144 | 144 | def __init__(self, err): |
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145 | 145 | WinError.__init__(self, err) |
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146 | 146 | OSError.__init__(self, self.winerror_map.get(self.win_errno, 0), |
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147 | 147 | self.win_strerror) |
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148 | 148 | |
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149 | 149 | def os_link(src, dst): |
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150 | 150 | # NB will only succeed on NTFS |
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151 | 151 | try: |
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152 | 152 | win32file.CreateHardLink(dst, src) |
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153 | 153 | except pywintypes.error, details: |
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154 | 154 | raise WinOSError(details) |
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155 | 155 | |
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156 | 156 | def nlinks(pathname): |
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157 | 157 | """Return number of hardlinks for the given file.""" |
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158 | 158 | try: |
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159 | 159 | fh = win32file.CreateFile(pathname, |
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160 | 160 | win32file.GENERIC_READ, win32file.FILE_SHARE_READ, |
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161 | 161 | None, win32file.OPEN_EXISTING, 0, None) |
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162 | 162 | res = win32file.GetFileInformationByHandle(fh) |
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163 | 163 | fh.Close() |
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164 | 164 | return res[7] |
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165 | 165 | except pywintypes.error: |
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166 | 166 | return os.lstat(pathname).st_nlink |
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167 | 167 | |
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168 | 168 | def testpid(pid): |
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169 | 169 | '''return True if pid is still running or unable to |
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170 | 170 | determine, False otherwise''' |
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171 | 171 | try: |
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172 | 172 | handle = win32api.OpenProcess( |
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173 | 173 | win32con.PROCESS_QUERY_INFORMATION, False, pid) |
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174 | 174 | if handle: |
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175 | 175 | status = win32process.GetExitCodeProcess(handle) |
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176 | 176 | return status == win32con.STILL_ACTIVE |
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177 | 177 | except pywintypes.error, details: |
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178 | 178 | return details[0] != winerror.ERROR_INVALID_PARAMETER |
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179 | 179 | return True |
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180 | 180 | |
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181 | 181 | def system_rcpath_win32(): |
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182 | 182 | '''return default os-specific hgrc search path''' |
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183 | 183 | try: |
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184 | 184 | value = win32api.RegQueryValue( |
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185 | 185 | win32con.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Mercurial') |
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186 | 186 | rcpath = [] |
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187 | 187 | for p in value.split(os.pathsep): |
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188 | 188 | if p.lower().endswith('mercurial.ini'): |
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189 | 189 | rcpath.append(p) |
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190 | 190 | elif os.path.isdir(p): |
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191 | 191 | for f, kind in osutil.listdir(p): |
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192 | 192 | if f.endswith('.rc'): |
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193 | 193 | rcpath.append(os.path.join(p, f)) |
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194 | 194 | return rcpath |
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195 | 195 | except pywintypes.error: |
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196 | 196 | pass |
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197 | 197 | proc = win32api.GetCurrentProcess() |
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198 | 198 | try: |
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199 | 199 | # This will fail on windows < NT |
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200 | 200 | filename = win32process.GetModuleFileNameEx(proc, 0) |
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201 | 201 | except: |
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202 | 202 | filename = win32api.GetModuleFileName(0) |
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203 | 203 | return [os.path.join(os.path.dirname(filename), 'mercurial.ini')] |
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204 | 204 | |
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205 | 205 | def user_rcpath_win32(): |
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206 | 206 | '''return os-specific hgrc search path to the user dir''' |
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207 | 207 | userdir = os.path.expanduser('~') |
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208 | if userdir == '~': | |
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208 | if sys.getwindowsversion() != 2 and userdir == '~': | |
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209 | 209 | # We are on win < nt: fetch the APPDATA directory location and use |
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210 | 210 | # the parent directory as the user home dir. |
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211 | 211 | appdir = shell.SHGetPathFromIDList( |
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212 | 212 | shell.SHGetSpecialFolderLocation(0, shellcon.CSIDL_APPDATA)) |
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213 | 213 | userdir = os.path.dirname(appdir) |
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214 | 214 | return os.path.join(userdir, 'mercurial.ini') |
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215 | 215 | |
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216 | 216 | class posixfile_nt(object): |
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217 | 217 | '''file object with posix-like semantics. on windows, normal |
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218 | 218 | files can not be deleted or renamed if they are open. must open |
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219 | 219 | with win32file.FILE_SHARE_DELETE. this flag does not exist on |
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220 | 220 | windows < nt, so do not use this class there.''' |
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221 | 221 | |
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222 | 222 | # tried to use win32file._open_osfhandle to pass fd to os.fdopen, |
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223 | 223 | # but does not work at all. wrap win32 file api instead. |
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224 | 224 | |
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225 | 225 | def __init__(self, name, mode='rb'): |
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226 | 226 | access = 0 |
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227 | 227 | if 'r' in mode or '+' in mode: |
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228 | 228 | access |= win32file.GENERIC_READ |
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229 | 229 | if 'w' in mode or 'a' in mode or '+' in mode: |
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230 | 230 | access |= win32file.GENERIC_WRITE |
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231 | 231 | if 'r' in mode: |
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232 | 232 | creation = win32file.OPEN_EXISTING |
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233 | 233 | elif 'a' in mode: |
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234 | 234 | creation = win32file.OPEN_ALWAYS |
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235 | 235 | else: |
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236 | 236 | creation = win32file.CREATE_ALWAYS |
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237 | 237 | try: |
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238 | 238 | self.handle = win32file.CreateFile(name, |
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239 | 239 | access, |
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240 | 240 | win32file.FILE_SHARE_READ | |
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241 | 241 | win32file.FILE_SHARE_WRITE | |
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242 | 242 | win32file.FILE_SHARE_DELETE, |
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243 | 243 | None, |
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244 | 244 | creation, |
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245 | 245 | win32file.FILE_ATTRIBUTE_NORMAL, |
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246 | 246 | 0) |
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247 | 247 | except pywintypes.error, err: |
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248 | 248 | raise WinIOError(err, name) |
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249 | 249 | self.closed = False |
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250 | 250 | self.name = name |
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251 | 251 | self.mode = mode |
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252 | 252 | |
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253 | 253 | def __iter__(self): |
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254 | 254 | for line in self.read().splitlines(True): |
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255 | 255 | yield line |
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256 | 256 | |
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257 | 257 | def read(self, count=-1): |
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258 | 258 | try: |
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259 | 259 | cs = cStringIO.StringIO() |
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260 | 260 | while count: |
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261 | 261 | wincount = int(count) |
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262 | 262 | if wincount == -1: |
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263 | 263 | wincount = 1048576 |
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264 | 264 | val, data = win32file.ReadFile(self.handle, wincount) |
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265 | 265 | if not data: break |
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266 | 266 | cs.write(data) |
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267 | 267 | if count != -1: |
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268 | 268 | count -= len(data) |
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269 | 269 | return cs.getvalue() |
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270 | 270 | except pywintypes.error, err: |
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271 | 271 | raise WinIOError(err) |
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272 | 272 | |
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273 | 273 | def write(self, data): |
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274 | 274 | try: |
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275 | 275 | if 'a' in self.mode: |
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276 | 276 | win32file.SetFilePointer(self.handle, 0, win32file.FILE_END) |
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277 | 277 | nwrit = 0 |
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278 | 278 | while nwrit < len(data): |
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279 | 279 | val, nwrit = win32file.WriteFile(self.handle, data) |
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280 | 280 | data = data[nwrit:] |
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281 | 281 | except pywintypes.error, err: |
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282 | 282 | raise WinIOError(err) |
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283 | 283 | |
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284 | 284 | def seek(self, pos, whence=0): |
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285 | 285 | try: |
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286 | 286 | win32file.SetFilePointer(self.handle, int(pos), whence) |
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287 | 287 | except pywintypes.error, err: |
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288 | 288 | raise WinIOError(err) |
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289 | 289 | |
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290 | 290 | def tell(self): |
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291 | 291 | try: |
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292 | 292 | return win32file.SetFilePointer(self.handle, 0, |
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293 | 293 | win32file.FILE_CURRENT) |
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294 | 294 | except pywintypes.error, err: |
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295 | 295 | raise WinIOError(err) |
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296 | 296 | |
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297 | 297 | def close(self): |
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298 | 298 | if not self.closed: |
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299 | 299 | self.handle = None |
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300 | 300 | self.closed = True |
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301 | 301 | |
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302 | 302 | def flush(self): |
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303 | 303 | try: |
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304 | 304 | win32file.FlushFileBuffers(self.handle) |
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305 | 305 | except pywintypes.error, err: |
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306 | 306 | raise WinIOError(err) |
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307 | 307 | |
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308 | 308 | def truncate(self, pos=0): |
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309 | 309 | try: |
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310 | 310 | win32file.SetFilePointer(self.handle, int(pos), |
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311 | 311 | win32file.FILE_BEGIN) |
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312 | 312 | win32file.SetEndOfFile(self.handle) |
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313 | 313 | except pywintypes.error, err: |
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314 | 314 | raise WinIOError(err) |
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315 | 315 | |
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316 | 316 | getuser_fallback = win32api.GetUserName |
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317 | 317 | |
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318 | 318 | def set_signal_handler_win32(): |
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319 | 319 | """Register a termination handler for console events including |
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320 | 320 | CTRL+C. python signal handlers do not work well with socket |
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321 | 321 | operations. |
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322 | 322 | """ |
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323 | 323 | def handler(event): |
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324 | 324 | win32process.ExitProcess(1) |
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325 | 325 | win32api.SetConsoleCtrlHandler(handler) |
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