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annotate mercurial/win32.py @ 13376:60b5c6c3fd12

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win32: new function executable_path
author Adrian Buehlmann <adrian@cadifra.com>
date Mon, 14 Feb 2011 11:12:31 +0100
parents f1fa8f481c7c
children 4ac565a30e84
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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 or any later version.
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7
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8 import osutil, encoding
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9 import ctypes, errno, os, struct, subprocess
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10
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11 _kernel32 = ctypes.windll.kernel32
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12
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13 _BOOL = ctypes.c_long
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14 _WORD = ctypes.c_ushort
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15 _DWORD = ctypes.c_ulong
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16 _LPCSTR = _LPSTR = ctypes.c_char_p
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17 _HANDLE = ctypes.c_void_p
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18 _HWND = _HANDLE
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19
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20 _INVALID_HANDLE_VALUE = -1
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21
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22 # GetLastError
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23 _ERROR_SUCCESS = 0
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24 _ERROR_INVALID_PARAMETER = 87
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25 _ERROR_INSUFFICIENT_BUFFER = 122
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26
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27 # WPARAM is defined as UINT_PTR (unsigned type)
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28 # LPARAM is defined as LONG_PTR (signed type)
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29 if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p):
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30 _WPARAM = ctypes.c_ulong
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31 _LPARAM = ctypes.c_long
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32 elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p):
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33 _WPARAM = ctypes.c_ulonglong
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34 _LPARAM = ctypes.c_longlong
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35
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36 class _FILETIME(ctypes.Structure):
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37 _fields_ = [('dwLowDateTime', _DWORD),
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38 ('dwHighDateTime', _DWORD)]
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39
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40 class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure):
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41 _fields_ = [('dwFileAttributes', _DWORD),
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42 ('ftCreationTime', _FILETIME),
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43 ('ftLastAccessTime', _FILETIME),
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44 ('ftLastWriteTime', _FILETIME),
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45 ('dwVolumeSerialNumber', _DWORD),
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46 ('nFileSizeHigh', _DWORD),
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47 ('nFileSizeLow', _DWORD),
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48 ('nNumberOfLinks', _DWORD),
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49 ('nFileIndexHigh', _DWORD),
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50 ('nFileIndexLow', _DWORD)]
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51
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52 # CreateFile
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53 _FILE_SHARE_READ = 0x00000001
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54 _FILE_SHARE_WRITE = 0x00000002
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55 _FILE_SHARE_DELETE = 0x00000004
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56
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57 _OPEN_EXISTING = 3
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58
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59 # Process Security and Access Rights
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60 _PROCESS_QUERY_INFORMATION = 0x0400
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61
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62 # GetExitCodeProcess
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63 _STILL_ACTIVE = 259
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64
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65 # registry
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66 _HKEY_CURRENT_USER = 0x80000001L
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67 _HKEY_LOCAL_MACHINE = 0x80000002L
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68 _KEY_READ = 0x20019
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69 _REG_SZ = 1
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70 _REG_DWORD = 4
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71
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72 class _STARTUPINFO(ctypes.Structure):
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73 _fields_ = [('cb', _DWORD),
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74 ('lpReserved', _LPSTR),
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75 ('lpDesktop', _LPSTR),
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76 ('lpTitle', _LPSTR),
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77 ('dwX', _DWORD),
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78 ('dwY', _DWORD),
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79 ('dwXSize', _DWORD),
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80 ('dwYSize', _DWORD),
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81 ('dwXCountChars', _DWORD),
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82 ('dwYCountChars', _DWORD),
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83 ('dwFillAttribute', _DWORD),
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84 ('dwFlags', _DWORD),
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85 ('wShowWindow', _WORD),
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86 ('cbReserved2', _WORD),
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87 ('lpReserved2', ctypes.c_char_p),
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88 ('hStdInput', _HANDLE),
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89 ('hStdOutput', _HANDLE),
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90 ('hStdError', _HANDLE)]
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91
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92 class _PROCESS_INFORMATION(ctypes.Structure):
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93 _fields_ = [('hProcess', _HANDLE),
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94 ('hThread', _HANDLE),
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95 ('dwProcessId', _DWORD),
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96 ('dwThreadId', _DWORD)]
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97
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98 _DETACHED_PROCESS = 0x00000008
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99 _STARTF_USESHOWWINDOW = 0x00000001
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100 _SW_HIDE = 0
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101
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102 class _COORD(ctypes.Structure):
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103 _fields_ = [('X', ctypes.c_short),
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104 ('Y', ctypes.c_short)]
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105
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106 class _SMALL_RECT(ctypes.Structure):
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107 _fields_ = [('Left', ctypes.c_short),
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108 ('Top', ctypes.c_short),
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109 ('Right', ctypes.c_short),
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110 ('Bottom', ctypes.c_short)]
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111
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112 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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113 _fields_ = [('dwSize', _COORD),
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114 ('dwCursorPosition', _COORD),
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115 ('wAttributes', _WORD),
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116 ('srWindow', _SMALL_RECT),
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117 ('dwMaximumWindowSize', _COORD)]
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118
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119 _STD_ERROR_HANDLE = 0xfffffff4L # (DWORD)-12
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120
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121 def _raiseoserror(name):
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122 err = ctypes.WinError()
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123 raise OSError(err.errno, '%s: %s' % (name, err.strerror))
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124
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125 def _getfileinfo(name):
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126 fh = _kernel32.CreateFileA(name, 0,
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diff changeset
127 _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE,
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diff changeset
128 None, _OPEN_EXISTING, 0, None)
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diff changeset
129 if fh == _INVALID_HANDLE_VALUE:
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diff changeset
130 _raiseoserror(name)
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diff changeset
131 try:
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diff changeset
132 fi = _BY_HANDLE_FILE_INFORMATION()
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diff changeset
133 if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)):
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parents: 13374
diff changeset
134 _raiseoserror(name)
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parents: 13374
diff changeset
135 return fi
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Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
136 finally:
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Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
137 _kernel32.CloseHandle(fh)
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parents:
diff changeset
138
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
139 def os_link(src, dst):
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diff changeset
140 if not _kernel32.CreateHardLinkA(dst, src, None):
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parents: 13374
diff changeset
141 _raiseoserror(src)
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parents:
diff changeset
142
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diff changeset
143 def nlinks(name):
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parents: 13374
diff changeset
144 '''return number of hardlinks for the given file'''
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parents: 13374
diff changeset
145 return _getfileinfo(name).nNumberOfLinks
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parents:
diff changeset
146
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Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
147 def samefile(fpath1, fpath2):
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diff changeset
148 '''Returns whether fpath1 and fpath2 refer to the same file. This is only
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diff changeset
149 guaranteed to work for files, not directories.'''
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diff changeset
150 res1 = _getfileinfo(fpath1)
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diff changeset
151 res2 = _getfileinfo(fpath2)
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diff changeset
152 return (res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
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parents: 13374
diff changeset
153 and res1.nFileIndexHigh == res2.nFileIndexHigh
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parents: 13374
diff changeset
154 and res1.nFileIndexLow == res2.nFileIndexLow)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
155
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
156 def samedevice(fpath1, fpath2):
13375
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diff changeset
157 '''Returns whether fpath1 and fpath2 are on the same device. This is only
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parents: 13374
diff changeset
158 guaranteed to work for files, not directories.'''
10218
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Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
159 res1 = _getfileinfo(fpath1)
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
160 res2 = _getfileinfo(fpath2)
13375
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diff changeset
161 return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
162
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e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
163 def testpid(pid):
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
164 '''return True if pid is still running or unable to
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
165 determine, False otherwise'''
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parents: 13374
diff changeset
166 h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid)
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
167 if h:
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
168 try:
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diff changeset
169 status = _DWORD()
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parents: 13374
diff changeset
170 if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)):
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
171 return status.value == _STILL_ACTIVE
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parents: 13374
diff changeset
172 finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
173 _kernel32.CloseHandle(h)
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diff changeset
174 return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER
2054
e18beba54a7e fix exception handling on windows.
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parents:
diff changeset
175
6006
3c9dbb743d20 merge: add registry look up bits to tool search
Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
176 def lookup_reg(key, valname=None, scope=None):
3c9dbb743d20 merge: add registry look up bits to tool search
Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
177 ''' Look up a key/value name in the Windows registry.
3c9dbb743d20 merge: add registry look up bits to tool search
Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
178
3c9dbb743d20 merge: add registry look up bits to tool search
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parents: 5969
diff changeset
179 valname: value name. If unspecified, the default value for the key
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Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
180 is used.
3c9dbb743d20 merge: add registry look up bits to tool search
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parents: 5969
diff changeset
181 scope: optionally specify scope for registry lookup, this can be
3c9dbb743d20 merge: add registry look up bits to tool search
Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
182 a sequence of scopes to look up in order. Default (CURRENT_USER,
3c9dbb743d20 merge: add registry look up bits to tool search
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parents: 5969
diff changeset
183 LOCAL_MACHINE).
3c9dbb743d20 merge: add registry look up bits to tool search
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parents: 5969
diff changeset
184 '''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
185 adv = ctypes.windll.advapi32
f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
186 byref = ctypes.byref
6006
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diff changeset
187 if scope is None:
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diff changeset
188 scope = (_HKEY_CURRENT_USER, _HKEY_LOCAL_MACHINE)
6006
3c9dbb743d20 merge: add registry look up bits to tool search
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diff changeset
189 elif not isinstance(scope, (list, tuple)):
3c9dbb743d20 merge: add registry look up bits to tool search
Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
190 scope = (scope,)
3c9dbb743d20 merge: add registry look up bits to tool search
Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
191 for s in scope:
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f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
192 kh = _HANDLE()
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parents: 13374
diff changeset
193 res = adv.RegOpenKeyExA(s, key, 0, _KEY_READ, ctypes.byref(kh))
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
194 if res != _ERROR_SUCCESS:
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
195 continue
6880
892806b3fc0f util: disinfect lookup_reg strings (issue1126)
Matt Mackall <mpm@selenic.com>
parents: 6216
diff changeset
196 try:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
197 size = _DWORD(600)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
198 type = _DWORD()
f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
199 buf = ctypes.create_string_buffer(size.value + 1)
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parents: 13374
diff changeset
200 res = adv.RegQueryValueExA(kh.value, valname, None,
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
201 byref(type), buf, byref(size))
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
202 if res != _ERROR_SUCCESS:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
203 continue
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
204 if type.value == _REG_SZ:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
205 # never let a Unicode string escape into the wild
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Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
206 return encoding.tolocal(buf.value.encode('UTF-8'))
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
207 elif type.value == _REG_DWORD:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
208 fmt = '<L'
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
209 s = ctypes.string_at(byref(buf), struct.calcsize(fmt))
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
210 return struct.unpack(fmt, s)[0]
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
211 finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
212 adv.RegCloseKey(kh.value)
6006
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Matt Mackall <mpm@selenic.com>
parents: 5969
diff changeset
213
13376
60b5c6c3fd12 win32: new function executable_path
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diff changeset
214 def executable_path():
60b5c6c3fd12 win32: new function executable_path
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parents: 13375
diff changeset
215 '''return full path of hg.exe'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
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diff changeset
216 size = 600
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
217 buf = ctypes.create_string_buffer(size + 1)
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
218 len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size)
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
219 if len == 0:
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
220 raise ctypes.WinError()
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
221 elif len == size:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
222 raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER)
13376
60b5c6c3fd12 win32: new function executable_path
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parents: 13375
diff changeset
223 return buf.value
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
224
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
225 def system_rcpath_win32():
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
226 '''return default os-specific hgrc search path'''
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
227 rcpath = []
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
228 filename = executable_path()
5619
55d3e845736a win32: favor local mercurial.ini over registry key
Steve Borho <steve@borho.org>
parents: 5612
diff changeset
229 # Use mercurial.ini found in directory with hg.exe
55d3e845736a win32: favor local mercurial.ini over registry key
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parents: 5612
diff changeset
230 progrc = os.path.join(os.path.dirname(filename), 'mercurial.ini')
55d3e845736a win32: favor local mercurial.ini over registry key
Steve Borho <steve@borho.org>
parents: 5612
diff changeset
231 if os.path.isfile(progrc):
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diff changeset
232 rcpath.append(progrc)
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
233 return rcpath
10388
07bd7608a0ea win32: allow hgrc.d on Windows
Steve Borho <steve@borho.org>
parents: 10264
diff changeset
234 # Use hgrc.d found in directory with hg.exe
07bd7608a0ea win32: allow hgrc.d on Windows
Steve Borho <steve@borho.org>
parents: 10264
diff changeset
235 progrcd = os.path.join(os.path.dirname(filename), 'hgrc.d')
07bd7608a0ea win32: allow hgrc.d on Windows
Steve Borho <steve@borho.org>
parents: 10264
diff changeset
236 if os.path.isdir(progrcd):
07bd7608a0ea win32: allow hgrc.d on Windows
Steve Borho <steve@borho.org>
parents: 10264
diff changeset
237 for f, kind in osutil.listdir(progrcd):
07bd7608a0ea win32: allow hgrc.d on Windows
Steve Borho <steve@borho.org>
parents: 10264
diff changeset
238 if f.endswith('.rc'):
07bd7608a0ea win32: allow hgrc.d on Windows
Steve Borho <steve@borho.org>
parents: 10264
diff changeset
239 rcpath.append(os.path.join(progrcd, f))
07bd7608a0ea win32: allow hgrc.d on Windows
Steve Borho <steve@borho.org>
parents: 10264
diff changeset
240 return rcpath
5619
55d3e845736a win32: favor local mercurial.ini over registry key
Steve Borho <steve@borho.org>
parents: 5612
diff changeset
241 # else look for a system rcpath in the registry
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f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
242 value = lookup_reg('SOFTWARE\\Mercurial', None, _HKEY_LOCAL_MACHINE)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
243 if not isinstance(value, str) or not value:
5583
1b5b81d9039b win32: read system rcpath from registry
Steve Borho <steve@borho.org>
parents: 4998
diff changeset
244 return rcpath
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
245 value = value.replace('/', os.sep)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
246 for p in value.split(os.pathsep):
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
247 if p.lower().endswith('mercurial.ini'):
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
248 rcpath.append(p)
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
249 elif os.path.isdir(p):
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
250 for f, kind in osutil.listdir(p):
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
251 if f.endswith('.rc'):
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parents: 13374
diff changeset
252 rcpath.append(os.path.join(p, f))
f1fa8f481c7c port win32.py to using the Python ctypes library
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parents: 13374
diff changeset
253 return rcpath
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2117
diff changeset
254
4098
c08b6af023bc util_win32.py: fix user_rcpath
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3891
diff changeset
255 def user_rcpath_win32():
2284
d6392a7c03dd On win98 os.path.expanuser('~') does not result in a useable directory.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 2250
diff changeset
256 '''return os-specific hgrc search path to the user dir'''
d6392a7c03dd On win98 os.path.expanuser('~') does not result in a useable directory.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 2250
diff changeset
257 userdir = os.path.expanduser('~')
6153
09a8be3e5bfb Also search for .hgrc if mercurial.ini not found on windows
Stefan Rank <strank(AT)strank(DOT)info>
parents: 6012
diff changeset
258 return [os.path.join(userdir, 'mercurial.ini'),
09a8be3e5bfb Also search for .hgrc if mercurial.ini not found on windows
Stefan Rank <strank(AT)strank(DOT)info>
parents: 6012
diff changeset
259 os.path.join(userdir, '.hgrc')]
2284
d6392a7c03dd On win98 os.path.expanuser('~') does not result in a useable directory.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
parents: 2250
diff changeset
260
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
261 def getuser():
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
262 '''return name of current user'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
263 adv = ctypes.windll.advapi32
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
264 size = _DWORD(300)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
265 buf = ctypes.create_string_buffer(size.value + 1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
266 if not adv.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
267 raise ctypes.WinError()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
268 return buf.value
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
269
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
270 _SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
271 _signal_handler = []
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
272
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
273 def set_signal_handler():
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
274 '''Register a termination handler for console events including
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
275 CTRL+C. python signal handlers do not work well with socket
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
276 operations.
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
277 '''
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
278 def handler(event):
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
279 _kernel32.ExitProcess(1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
280
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
281 if _signal_handler:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
282 return # already registered
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
283 h = _SIGNAL_HANDLER(handler)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
284 _signal_handler.append(h) # needed to prevent garbage collection
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
285 if not _kernel32.SetConsoleCtrlHandler(h, True):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
286 raise ctypes.WinError()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
287
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
288 _WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM)
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
289
10240
3af4b39afe2a cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents: 10219
diff changeset
290 def hidewindow():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
291 user32 = ctypes.windll.user32
10240
3af4b39afe2a cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents: 10219
diff changeset
292
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
293 def callback(hwnd, pid):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
294 wpid = _DWORD()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
295 user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid))
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
296 if pid == wpid.value:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
297 user32.ShowWindow(hwnd, _SW_HIDE)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
298 return False # stop enumerating windows
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
299 return True
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
300
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
301 pid = _kernel32.GetCurrentProcessId()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
302 user32.EnumWindows(_WNDENUMPROC(callback), pid)
11012
81631f0cf13b win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10388
diff changeset
303
12689
c52c629ce19e termwidth: move to ui.ui from util
Augie Fackler <durin42@gmail.com>
parents: 12401
diff changeset
304 def termwidth():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
305 # cmd.exe does not handle CR like a unix console, the CR is
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
306 # counted in the line length. On 80 columns consoles, if 80
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
307 # characters are written, the following CR won't apply on the
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
308 # current line but on the new one. Keep room for it.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
309 width = 79
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
310 # Query stderr to avoid problems with redirections
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
311 screenbuf = _kernel32.GetStdHandle(
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
312 _STD_ERROR_HANDLE) # don't close the handle returned
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
313 if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
314 return width
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
315 csbi = _CONSOLE_SCREEN_BUFFER_INFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
316 if not _kernel32.GetConsoleScreenBufferInfo(
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
317 screenbuf, ctypes.byref(csbi)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
318 return width
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
319 width = csbi.srWindow.Right - csbi.srWindow.Left
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
320 return width
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
321
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
322 def spawndetached(args):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
323 # No standard library function really spawns a fully detached
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
324 # process under win32 because they allocate pipes or other objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
325 # to handle standard streams communications. Passing these objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
326 # to the child process requires handle inheritance to be enabled
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
327 # which makes really detached processes impossible.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
328 si = _STARTUPINFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
329 si.cb = ctypes.sizeof(_STARTUPINFO)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
330 si.dwFlags = _STARTF_USESHOWWINDOW
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
331 si.wShowWindow = _SW_HIDE
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
332
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
333 pi = _PROCESS_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
334
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
335 env = ''
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
336 for k in os.environ:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
337 env += "%s=%s\0" % (k, os.environ[k])
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
338 if not env:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
339 env = '\0'
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
340 env += '\0'
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
341
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
342 args = subprocess.list2cmdline(args)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
343 # Not running the command in shell mode makes python26 hang when
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
344 # writing to hgweb output socket.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
345 comspec = os.environ.get("COMSPEC", "cmd.exe")
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
346 args = comspec + " /c " + args
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
347
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
348 res = _kernel32.CreateProcessA(
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
349 None, args, None, None, False, _DETACHED_PROCESS,
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
350 env, os.getcwd(), ctypes.byref(si), ctypes.byref(pi))
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
351 if not res:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
352 raise ctypes.WinError()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
353
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
354 return pi.dwProcessId