Mercurial > hg
annotate mercurial/win32.py @ 10789:1b45468d3deb stable
util.termwidth: check stderr first as it's least likely to be redirected
author | Augie Fackler <durin42@gmail.com> |
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date | Mon, 15 Mar 2010 14:53:34 -0500 |
parents | 07bd7608a0ea |
children | 81631f0cf13b |
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1 # win32.py - utility functions that use win32 API |
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2 # |
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 """Utility functions that use win32 API. |
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9 |
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10 Mark Hammond's win32all package allows better functionality on |
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11 Windows. This module overrides definitions in util.py. If not |
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12 available, import of this module will fail, and generic code will be |
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13 used. |
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14 """ |
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15 |
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16 import win32api |
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17 |
6216 | 18 import errno, os, sys, pywintypes, win32con, win32file, win32process |
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19 import winerror, win32gui |
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20 import osutil, encoding |
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21 from win32com.shell import shell, shellcon |
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22 |
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23 def os_link(src, dst): |
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24 try: |
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25 win32file.CreateHardLink(dst, src) |
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26 # CreateHardLink sometimes succeeds on mapped drives but |
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27 # following nlinks() returns 1. Check it now and bail out. |
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28 if nlinks(src) < 2: |
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29 try: |
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30 win32file.DeleteFile(dst) |
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31 except: |
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32 pass |
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33 # Fake hardlinking error |
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34 raise OSError(errno.EINVAL, 'Hardlinking not supported') |
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35 except pywintypes.error, details: |
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36 raise OSError(errno.EINVAL, 'target implements hardlinks improperly') |
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37 except NotImplementedError: # Another fake error win Win98 |
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38 raise OSError(errno.EINVAL, 'Hardlinking not supported') |
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39 |
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40 def _getfileinfo(pathname): |
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41 """Return number of hardlinks for the given file.""" |
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42 try: |
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43 fh = win32file.CreateFile(pathname, |
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44 win32file.GENERIC_READ, win32file.FILE_SHARE_READ, |
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45 None, win32file.OPEN_EXISTING, 0, None) |
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46 try: |
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47 return win32file.GetFileInformationByHandle(fh) |
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48 finally: |
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49 fh.Close() |
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50 except pywintypes.error: |
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51 return None |
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52 |
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53 def nlinks(pathname): |
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54 """Return number of hardlinks for the given file.""" |
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55 res = _getfileinfo(pathname) |
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56 if res is not None: |
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57 return res[7] |
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58 else: |
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59 return os.lstat(pathname).st_nlink |
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60 |
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61 def samefile(fpath1, fpath2): |
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62 """Returns whether fpath1 and fpath2 refer to the same file. This is only |
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63 guaranteed to work for files, not directories.""" |
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64 res1 = _getfileinfo(fpath1) |
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65 res2 = _getfileinfo(fpath2) |
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66 if res1 is not None and res2 is not None: |
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67 # Index 4 is the volume serial number, and 8 and 9 contain the file ID |
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68 return res1[4] == res2[4] and res1[8] == res2[8] and res1[9] == res2[9] |
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69 else: |
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70 return False |
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71 |
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72 def samedevice(fpath1, fpath2): |
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73 """Returns whether fpath1 and fpath2 are on the same device. This is only |
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74 guaranteed to work for files, not directories.""" |
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75 res1 = _getfileinfo(fpath1) |
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76 res2 = _getfileinfo(fpath2) |
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77 if res1 is not None and res2 is not None: |
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78 return res1[4] == res2[4] |
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79 else: |
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80 return False |
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81 |
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82 def testpid(pid): |
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83 '''return True if pid is still running or unable to |
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84 determine, False otherwise''' |
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85 try: |
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86 handle = win32api.OpenProcess( |
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87 win32con.PROCESS_QUERY_INFORMATION, False, pid) |
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88 if handle: |
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89 status = win32process.GetExitCodeProcess(handle) |
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90 return status == win32con.STILL_ACTIVE |
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91 except pywintypes.error, details: |
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92 return details[0] != winerror.ERROR_INVALID_PARAMETER |
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93 return True |
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94 |
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95 def lookup_reg(key, valname=None, scope=None): |
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96 ''' Look up a key/value name in the Windows registry. |
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97 |
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98 valname: value name. If unspecified, the default value for the key |
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99 is used. |
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100 scope: optionally specify scope for registry lookup, this can be |
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101 a sequence of scopes to look up in order. Default (CURRENT_USER, |
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102 LOCAL_MACHINE). |
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103 ''' |
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104 try: |
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105 from _winreg import HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE, \ |
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106 QueryValueEx, OpenKey |
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107 except ImportError: |
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108 return None |
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109 |
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110 if scope is None: |
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111 scope = (HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE) |
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112 elif not isinstance(scope, (list, tuple)): |
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113 scope = (scope,) |
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114 for s in scope: |
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115 try: |
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116 val = QueryValueEx(OpenKey(s, key), valname)[0] |
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117 # never let a Unicode string escape into the wild |
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118 return encoding.tolocal(val.encode('UTF-8')) |
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Matt Mackall <mpm@selenic.com>
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119 except EnvironmentError: |
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util: disinfect lookup_reg strings (issue1126)
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120 pass |
6006
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merge: add registry look up bits to tool search
Matt Mackall <mpm@selenic.com>
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5969
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121 |
2117 | 122 def system_rcpath_win32(): |
2054
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fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
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123 '''return default os-specific hgrc search path''' |
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124 proc = win32api.GetCurrentProcess() |
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win98: fall back to win32api.GetModuleFileName if needed.
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125 try: |
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126 # This will fail on windows < NT |
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127 filename = win32process.GetModuleFileNameEx(proc, 0) |
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128 except: |
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129 filename = win32api.GetModuleFileName(0) |
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win32: favor local mercurial.ini over registry key
Steve Borho <steve@borho.org>
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130 # Use mercurial.ini found in directory with hg.exe |
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131 progrc = os.path.join(os.path.dirname(filename), 'mercurial.ini') |
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132 if os.path.isfile(progrc): |
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133 return [progrc] |
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win32: allow hgrc.d on Windows
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134 # Use hgrc.d found in directory with hg.exe |
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135 progrcd = os.path.join(os.path.dirname(filename), 'hgrc.d') |
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136 if os.path.isdir(progrcd): |
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137 rcpath = [] |
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138 for f, kind in osutil.listdir(progrcd): |
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139 if f.endswith('.rc'): |
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140 rcpath.append(os.path.join(progrcd, f)) |
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141 return rcpath |
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142 # else look for a system rcpath in the registry |
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143 try: |
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144 value = win32api.RegQueryValue( |
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145 win32con.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Mercurial') |
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146 rcpath = [] |
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147 for p in value.split(os.pathsep): |
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148 if p.lower().endswith('mercurial.ini'): |
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149 rcpath.append(p) |
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150 elif os.path.isdir(p): |
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151 for f, kind in osutil.listdir(p): |
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152 if f.endswith('.rc'): |
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153 rcpath.append(os.path.join(p, f)) |
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154 return rcpath |
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155 except pywintypes.error: |
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156 return [] |
2176
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fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
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157 |
4098
c08b6af023bc
util_win32.py: fix user_rcpath
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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158 def user_rcpath_win32(): |
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On win98 os.path.expanuser('~') does not result in a useable directory.
Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
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159 '''return os-specific hgrc search path to the user dir''' |
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160 userdir = os.path.expanduser('~') |
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util_win32: fix Windows version checking (issue1358)
Patrick Mezard <pmezard@gmail.com>
parents:
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161 if sys.getwindowsversion()[3] != 2 and userdir == '~': |
2284
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162 # We are on win < nt: fetch the APPDATA directory location and use |
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163 # the parent directory as the user home dir. |
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164 appdir = shell.SHGetPathFromIDList( |
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Fixed typo (qshell instead of shell) in win98 code (see issue244).
Thomas Arendsen Hein <thomas@intevation.de>
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165 shell.SHGetSpecialFolderLocation(0, shellcon.CSIDL_APPDATA)) |
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166 userdir = os.path.dirname(appdir) |
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Also search for .hgrc if mercurial.ini not found on windows
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parents:
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167 return [os.path.join(userdir, 'mercurial.ini'), |
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168 os.path.join(userdir, '.hgrc')] |
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169 |
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util: split out posix, windows, and win32 modules
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170 def getuser(): |
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171 '''return name of current user''' |
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172 return win32api.GetUserName() |
4672
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Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents:
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173 |
4803
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Fix serve on Windows without win32* modules.
Nathan Jones <nathanj@insightbb.com>
parents:
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174 def set_signal_handler_win32(): |
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175 """Register a termination handler for console events including |
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176 CTRL+C. python signal handlers do not work well with socket |
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177 operations. |
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178 """ |
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179 def handler(event): |
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180 win32process.ExitProcess(1) |
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181 win32api.SetConsoleCtrlHandler(handler) |
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182 |
10240
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cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents:
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183 def hidewindow(): |
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cmdutil: hide child window created by win32 spawndetached()
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184 def callback(*args, **kwargs): |
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185 hwnd, pid = args |
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186 wpid = win32process.GetWindowThreadProcessId(hwnd)[1] |
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187 if pid == wpid: |
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188 win32gui.ShowWindow(hwnd, win32con.SW_HIDE) |
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cmdutil: hide child window created by win32 spawndetached()
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parents:
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189 |
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190 pid = win32process.GetCurrentProcessId() |
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191 win32gui.EnumWindows(callback, pid) |