Mercurial > hg
annotate mercurial/windows.py @ 26755:bb0b955d050d
streamclone: support for producing and consuming stream clone bundles
Up to this point, stream clones only existed as a dynamically generated
data format produced and consumed during streaming clones. In order to
support this efficient cloning format with the clone bundles feature, we
need a more formal, on disk representation of the streaming clone data.
This patch introduces a new "bundle" type for streaming clones. Unlike
existing bundles, it does not contain changegroup data. It does,
however, share the same concepts like the 4 byte header which identifies
the type of data that follows and the 2 byte abbreviation for
compression types (of which only "UN" is currently supported).
The new bundle format is essentially the existing stream clone version 1
data format with some headers at the beginning.
Content negotiation at stream clone request time checked for repository
format/requirements compatibility before initiating a stream clone. We
can't do active content negotiation when using clone bundles. So, we put
this set of requirements inside the payload so consumers have a built-in
mechanism for checking compatibility before reading and applying lots of
data. Of course, we will also advertise this requirements set in clone
bundles. But that's for another patch.
We currently don't have a mechanism to produce and consume this new
bundle format. This will be implemented in upcoming patches.
It's worth noting that if a legacy client attempts to `hg unbundle` a
stream clone bundle (with the "HGS1" header), it will abort with:
"unknown bundle version S1," which seems appropriate.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 17 Oct 2015 11:14:52 -0700 |
parents | 3686fa2b8eee |
children | 6daa795ed32f |
rev | line source |
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1 # windows.py - Windows utility function implementations for Mercurial |
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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 from i18n import _ |
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9 import osutil, encoding |
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10 import errno, msvcrt, os, re, stat, sys, _winreg |
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11 |
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12 import win32 |
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13 executablepath = win32.executablepath |
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14 getuser = win32.getuser |
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15 hidewindow = win32.hidewindow |
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16 makedir = win32.makedir |
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17 nlinks = win32.nlinks |
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18 oslink = win32.oslink |
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19 samedevice = win32.samedevice |
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20 samefile = win32.samefile |
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21 setsignalhandler = win32.setsignalhandler |
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22 spawndetached = win32.spawndetached |
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23 split = os.path.split |
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24 termwidth = win32.termwidth |
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25 testpid = win32.testpid |
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26 unlink = win32.unlink |
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27 |
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28 umask = 0o022 |
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29 |
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30 class mixedfilemodewrapper(object): |
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31 """Wraps a file handle when it is opened in read/write mode. |
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32 |
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33 fopen() and fdopen() on Windows have a specific-to-Windows requirement |
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34 that files opened with mode r+, w+, or a+ make a call to a file positioning |
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35 function when switching between reads and writes. Without this extra call, |
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36 Python will raise a not very intuitive "IOError: [Errno 0] Error." |
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37 |
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38 This class wraps posixfile instances when the file is opened in read/write |
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39 mode and automatically adds checks or inserts appropriate file positioning |
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40 calls when necessary. |
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41 """ |
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42 OPNONE = 0 |
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43 OPREAD = 1 |
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44 OPWRITE = 2 |
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45 |
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46 def __init__(self, fp): |
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47 object.__setattr__(self, '_fp', fp) |
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48 object.__setattr__(self, '_lastop', 0) |
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49 |
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50 def __getattr__(self, name): |
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51 return getattr(self._fp, name) |
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52 |
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53 def __setattr__(self, name, value): |
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54 return self._fp.__setattr__(name, value) |
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55 |
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56 def _noopseek(self): |
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57 self._fp.seek(0, os.SEEK_CUR) |
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58 |
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59 def seek(self, *args, **kwargs): |
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60 object.__setattr__(self, '_lastop', self.OPNONE) |
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61 return self._fp.seek(*args, **kwargs) |
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62 |
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63 def write(self, d): |
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64 if self._lastop == self.OPREAD: |
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65 self._noopseek() |
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66 |
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67 object.__setattr__(self, '_lastop', self.OPWRITE) |
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68 return self._fp.write(d) |
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69 |
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70 def writelines(self, *args, **kwargs): |
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71 if self._lastop == self.OPREAD: |
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72 self._noopeseek() |
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73 |
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74 object.__setattr__(self, '_lastop', self.OPWRITE) |
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75 return self._fp.writelines(*args, **kwargs) |
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76 |
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77 def read(self, *args, **kwargs): |
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78 if self._lastop == self.OPWRITE: |
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79 self._noopseek() |
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80 |
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81 object.__setattr__(self, '_lastop', self.OPREAD) |
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82 return self._fp.read(*args, **kwargs) |
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83 |
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84 def readline(self, *args, **kwargs): |
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85 if self._lastop == self.OPWRITE: |
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86 self._noopseek() |
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87 |
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88 object.__setattr__(self, '_lastop', self.OPREAD) |
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89 return self._fp.readline(*args, **kwargs) |
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90 |
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91 def readlines(self, *args, **kwargs): |
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92 if self._lastop == self.OPWRITE: |
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93 self._noopseek() |
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94 |
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95 object.__setattr__(self, '_lastop', self.OPREAD) |
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96 return self._fp.readlines(*args, **kwargs) |
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97 |
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98 def posixfile(name, mode='r', buffering=-1): |
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99 '''Open a file with even more POSIX-like semantics''' |
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100 try: |
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101 fp = osutil.posixfile(name, mode, buffering) # may raise WindowsError |
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102 |
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103 # The position when opening in append mode is implementation defined, so |
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104 # make it consistent with other platforms, which position at EOF. |
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105 if 'a' in mode: |
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106 fp.seek(0, os.SEEK_END) |
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107 |
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108 if '+' in mode: |
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109 return mixedfilemodewrapper(fp) |
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110 |
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111 return fp |
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112 except WindowsError as err: |
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113 # convert to a friendlier exception |
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114 raise IOError(err.errno, '%s: %s' % (name, err.strerror)) |
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115 |
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116 class winstdout(object): |
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117 '''stdout on windows misbehaves if sent through a pipe''' |
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118 |
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119 def __init__(self, fp): |
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120 self.fp = fp |
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121 |
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122 def __getattr__(self, key): |
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123 return getattr(self.fp, key) |
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124 |
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125 def close(self): |
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126 try: |
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127 self.fp.close() |
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128 except IOError: |
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129 pass |
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130 |
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131 def write(self, s): |
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132 try: |
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133 # This is workaround for "Not enough space" error on |
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134 # writing large size of data to console. |
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135 limit = 16000 |
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136 l = len(s) |
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137 start = 0 |
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138 self.softspace = 0 |
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139 while start < l: |
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140 end = start + limit |
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141 self.fp.write(s[start:end]) |
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142 start = end |
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143 except IOError as inst: |
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144 if inst.errno != 0: |
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145 raise |
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146 self.close() |
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147 raise IOError(errno.EPIPE, 'Broken pipe') |
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148 |
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149 def flush(self): |
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150 try: |
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151 return self.fp.flush() |
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152 except IOError as inst: |
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153 if inst.errno != errno.EINVAL: |
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154 raise |
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155 self.close() |
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156 raise IOError(errno.EPIPE, 'Broken pipe') |
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157 |
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158 sys.__stdout__ = sys.stdout = winstdout(sys.stdout) |
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159 |
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160 def _is_win_9x(): |
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161 '''return true if run on windows 95, 98 or me.''' |
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162 try: |
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163 return sys.getwindowsversion()[3] == 1 |
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164 except AttributeError: |
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165 return 'command' in os.environ.get('comspec', '') |
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166 |
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167 def openhardlinks(): |
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168 return not _is_win_9x() |
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169 |
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170 def parsepatchoutput(output_line): |
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171 """parses the output produced by patch and returns the filename""" |
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172 pf = output_line[14:] |
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173 if pf[0] == '`': |
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174 pf = pf[1:-1] # Remove the quotes |
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175 return pf |
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176 |
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177 def sshargs(sshcmd, host, user, port): |
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178 '''Build argument list for ssh or Plink''' |
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179 pflag = 'plink' in sshcmd.lower() and '-P' or '-p' |
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180 args = user and ("%s@%s" % (user, host)) or host |
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181 return port and ("%s %s %s" % (args, pflag, port)) or args |
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182 |
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183 def setflags(f, l, x): |
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184 pass |
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185 |
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186 def copymode(src, dst, mode=None): |
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187 pass |
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188 |
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189 def checkexec(path): |
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190 return False |
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191 |
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192 def checklink(path): |
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193 return False |
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194 |
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rename util.set_binary to setbinary
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195 def setbinary(fd): |
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196 # When run without console, pipes may expose invalid |
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197 # fileno(), usually set to -1. |
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198 fno = getattr(fd, 'fileno', None) |
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199 if fno is not None and fno() >= 0: |
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200 msvcrt.setmode(fno(), os.O_BINARY) |
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201 |
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202 def pconvert(path): |
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windows: use 'str.replace()' instead of combination of split() and join()
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203 return path.replace(os.sep, '/') |
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204 |
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205 def localpath(path): |
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206 return path.replace('/', '\\') |
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207 |
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208 def normpath(path): |
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209 return pconvert(os.path.normpath(path)) |
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210 |
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windows: use upper() instead of lower() or os.path.normcase()
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211 def normcase(path): |
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212 return encoding.upper(path) # NTFS compares via upper() |
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dirstate: fix case-folding identity for traditional Unix
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213 |
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windows: define normcase spec and fallback
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214 # see posix.py for definitions |
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215 normcasespec = encoding.normcasespecs.upper |
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216 normcasefallback = encoding.upperfallback |
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217 |
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218 def samestat(s1, s2): |
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219 return False |
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220 |
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221 # A sequence of backslashes is special iff it precedes a double quote: |
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222 # - if there's an even number of backslashes, the double quote is not |
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223 # quoted (i.e. it ends the quoted region) |
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224 # - if there's an odd number of backslashes, the double quote is quoted |
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225 # - in both cases, every pair of backslashes is unquoted into a single |
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226 # backslash |
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227 # (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx ) |
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228 # So, to quote a string, we must surround it in double quotes, double |
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230 # backslash before every double quote (being careful with the double |
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231 # quote we've appended to the end) |
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232 _quotere = None |
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233 _needsshellquote = None |
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234 def shellquote(s): |
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235 r""" |
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236 >>> shellquote(r'C:\Users\xyz') |
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237 '"C:\\Users\\xyz"' |
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238 >>> shellquote(r'C:\Users\xyz/mixed') |
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239 '"C:\\Users\\xyz/mixed"' |
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240 >>> # Would be safe not to quote too, since it is all double backslashes |
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241 >>> shellquote(r'C:\\Users\\xyz') |
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242 '"C:\\\\Users\\\\xyz"' |
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243 >>> # But this must be quoted |
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244 >>> shellquote(r'C:\\Users\\xyz/abc') |
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245 '"C:\\\\Users\\\\xyz/abc"' |
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246 """ |
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247 global _quotere |
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248 if _quotere is None: |
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249 _quotere = re.compile(r'(\\*)("|\\$)') |
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250 global _needsshellquote |
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251 if _needsshellquote is None: |
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252 # ":" is also treated as "safe character", because it is used as a part |
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253 # of path name on Windows. "\" is also part of a path name, but isn't |
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254 # safe because shlex.split() (kind of) treats it as an escape char and |
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255 # drops it. It will leave the next character, even if it is another |
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256 # "\". |
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257 _needsshellquote = re.compile(r'[^a-zA-Z0-9._:/-]').search |
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258 if s and not _needsshellquote(s) and not _quotere.search(s): |
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259 # "s" shouldn't have to be quoted |
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260 return s |
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261 return '"%s"' % _quotere.sub(r'\1\1\\\2', s) |
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262 |
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263 def quotecommand(cmd): |
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264 """Build a command string suitable for os.popen* calls.""" |
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265 if sys.version_info < (2, 7, 1): |
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266 # Python versions since 2.7.1 do this extra quoting themselves |
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267 return '"' + cmd + '"' |
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268 return cmd |
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269 |
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270 def popen(command, mode='r'): |
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271 # Work around "popen spawned process may not write to stdout |
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272 # under windows" |
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273 # http://bugs.python.org/issue1366 |
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274 command += " 2> %s" % os.devnull |
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275 return os.popen(quotecommand(command), mode) |
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276 |
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277 def explainexit(code): |
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278 return _("exited with status %d") % code, code |
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279 |
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280 # if you change this stub into a real check, please try to implement the |
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281 # username and groupname functions above, too. |
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282 def isowner(st): |
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283 return True |
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284 |
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285 def findexe(command): |
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286 '''Find executable for command searching like cmd.exe does. |
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287 If command is a basename then PATH is searched for command. |
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288 PATH isn't searched if command is an absolute or relative path. |
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289 An extension from PATHEXT is found and added if not present. |
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290 If command isn't found None is returned.''' |
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291 pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD') |
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292 pathexts = [ext for ext in pathext.lower().split(os.pathsep)] |
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293 if os.path.splitext(command)[1].lower() in pathexts: |
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294 pathexts = [''] |
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295 |
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296 def findexisting(pathcommand): |
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297 'Will append extension (if needed) and return existing file' |
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298 for ext in pathexts: |
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299 executable = pathcommand + ext |
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300 if os.path.exists(executable): |
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301 return executable |
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302 return None |
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303 |
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304 if os.sep in command: |
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305 return findexisting(command) |
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306 |
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307 for path in os.environ.get('PATH', '').split(os.pathsep): |
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308 executable = findexisting(os.path.join(path, command)) |
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309 if executable is not None: |
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310 return executable |
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311 return findexisting(os.path.expanduser(os.path.expandvars(command))) |
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312 |
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313 _wantedkinds = set([stat.S_IFREG, stat.S_IFLNK]) |
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314 |
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315 def statfiles(files): |
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316 '''Stat each file in files. Yield each stat, or None if a file |
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317 does not exist or has a type we don't care about. |
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318 |
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319 Cluster and cache stat per directory to minimize number of OS stat calls.''' |
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320 dircache = {} # dirname -> filename -> status | None if file does not exist |
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321 getkind = stat.S_IFMT |
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322 for nf in files: |
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323 nf = normcase(nf) |
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324 dir, base = os.path.split(nf) |
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325 if not dir: |
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326 dir = '.' |
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327 cache = dircache.get(dir, None) |
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328 if cache is None: |
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329 try: |
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330 dmap = dict([(normcase(n), s) |
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331 for n, k, s in osutil.listdir(dir, True) |
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332 if getkind(s.st_mode) in _wantedkinds]) |
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333 except OSError as err: |
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334 # Python >= 2.5 returns ENOENT and adds winerror field |
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335 # EINVAL is raised if dir is not a directory. |
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336 if err.errno not in (errno.ENOENT, errno.EINVAL, |
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337 errno.ENOTDIR): |
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338 raise |
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339 dmap = {} |
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340 cache = dircache.setdefault(dir, dmap) |
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341 yield cache.get(base, None) |
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342 |
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343 def username(uid=None): |
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344 """Return the name of the user with the given uid. |
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345 |
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346 If uid is None, return the name of the current user.""" |
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347 return None |
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348 |
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349 def groupname(gid=None): |
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util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
350 """Return the name of the group with the given gid. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
351 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
352 If gid is None, return the name of the current group.""" |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
353 return None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
354 |
24692
144883a8d0d4
util: add removedirs as platform depending function
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
24653
diff
changeset
|
355 def removedirs(name): |
8364
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
356 """special version of os.removedirs that does not remove symlinked |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
357 directories or junction points if they actually contain files""" |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
358 if osutil.listdir(name): |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
359 return |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
360 os.rmdir(name) |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
361 head, tail = os.path.split(name) |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
362 if not tail: |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
363 head, tail = os.path.split(head) |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
364 while head and tail: |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
365 try: |
9572
1f665246dab3
windows: fix unlink() not dropping empty tree (issue1861)
Patrick Mezard <pmezard@gmail.com>
parents:
9448
diff
changeset
|
366 if osutil.listdir(head): |
8364
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
367 return |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
368 os.rmdir(head) |
14004
97ed99d1f419
eliminate various naked except clauses
Idan Kamara <idankk86@gmail.com>
parents:
13986
diff
changeset
|
369 except (ValueError, OSError): |
8364
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
370 break |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
371 head, tail = os.path.split(head) |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
372 |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18041
diff
changeset
|
373 def unlinkpath(f, ignoremissing=False): |
8364
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
374 """unlink and remove the directory if it is empty""" |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18041
diff
changeset
|
375 try: |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18041
diff
changeset
|
376 unlink(f) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
377 except OSError as e: |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18041
diff
changeset
|
378 if not (ignoremissing and e.errno == errno.ENOENT): |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18041
diff
changeset
|
379 raise |
8364
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
380 # try removing directories that might now be empty |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
381 try: |
24692
144883a8d0d4
util: add removedirs as platform depending function
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
24653
diff
changeset
|
382 removedirs(os.path.dirname(f)) |
8364
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
383 except OSError: |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
384 pass |
fa901423ac23
windows: avoid deleting non-empty reparse points
Henrik Stuart <henrik.stuart@edlund.dk>
parents:
8330
diff
changeset
|
385 |
9549
8b8920209317
util: move rename into posix.py and windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
9449
diff
changeset
|
386 def rename(src, dst): |
8b8920209317
util: move rename into posix.py and windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
9449
diff
changeset
|
387 '''atomically rename file src to dst, replacing dst if it exists''' |
8b8920209317
util: move rename into posix.py and windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
9449
diff
changeset
|
388 try: |
8b8920209317
util: move rename into posix.py and windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
9449
diff
changeset
|
389 os.rename(src, dst) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
390 except OSError as e: |
13278
e9a52ed28157
windows.rename: check OSError for EEXIST
Adrian Buehlmann <adrian@cadifra.com>
parents:
13235
diff
changeset
|
391 if e.errno != errno.EEXIST: |
e9a52ed28157
windows.rename: check OSError for EEXIST
Adrian Buehlmann <adrian@cadifra.com>
parents:
13235
diff
changeset
|
392 raise |
13280
6052bbc7aabd
reintroduces util.unlink, for POSIX and Windows.
Adrian Buehlmann <adrian@cadifra.com>
parents:
13278
diff
changeset
|
393 unlink(dst) |
9549
8b8920209317
util: move rename into posix.py and windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
9449
diff
changeset
|
394 os.rename(src, dst) |
8b8920209317
util: move rename into posix.py and windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
9449
diff
changeset
|
395 |
10239
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
396 def gethgcmd(): |
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
397 return [sys.executable] + sys.argv[:1] |
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
398 |
11138
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11010
diff
changeset
|
399 def groupmembers(name): |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11010
diff
changeset
|
400 # Don't support groups on Windows for now |
16687
e34106fa0dc3
cleanup: "raise SomeException()" -> "raise SomeException"
Brodie Rao <brodie@sf.io>
parents:
16076
diff
changeset
|
401 raise KeyError |
11138
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11010
diff
changeset
|
402 |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14892
diff
changeset
|
403 def isexec(f): |
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14892
diff
changeset
|
404 return False |
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
14892
diff
changeset
|
405 |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
406 class cachestat(object): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
407 def __init__(self, path): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
408 pass |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
409 |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
410 def cacheable(self): |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
411 return False |
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
parents:
14926
diff
changeset
|
412 |
16807
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
413 def lookupreg(key, valname=None, scope=None): |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
414 ''' Look up a key/value name in the Windows registry. |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
415 |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
416 valname: value name. If unspecified, the default value for the key |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
417 is used. |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
418 scope: optionally specify scope for registry lookup, this can be |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
419 a sequence of scopes to look up in order. Default (CURRENT_USER, |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
420 LOCAL_MACHINE). |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
421 ''' |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
422 if scope is None: |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
423 scope = (_winreg.HKEY_CURRENT_USER, _winreg.HKEY_LOCAL_MACHINE) |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
424 elif not isinstance(scope, (list, tuple)): |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
425 scope = (scope,) |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
426 for s in scope: |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
427 try: |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
428 val = _winreg.QueryValueEx(_winreg.OpenKey(s, key), valname)[0] |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
429 # never let a Unicode string escape into the wild |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
430 return encoding.tolocal(val.encode('UTF-8')) |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
431 except EnvironmentError: |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
432 pass |
80142f385af9
win32: move lookupreg() to windows.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
16687
diff
changeset
|
433 |
8614
573734e7e6d0
cmdutils: Take over glob expansion duties from util
Matt Mackall <mpm@selenic.com>
parents:
8559
diff
changeset
|
434 expandglobs = True |
18868
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
435 |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
436 def statislink(st): |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
437 '''check whether a stat result is a symlink''' |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
438 return False |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
439 |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
440 def statisexec(st): |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
441 '''check whether a stat result is an executable file''' |
cafa447a7d3b
util: add functions to check symlink/exec bits
Bryan O'Sullivan <bryano@fb.com>
parents:
18143
diff
changeset
|
442 return False |
22245
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
443 |
25420
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25204
diff
changeset
|
444 def poll(fds): |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25204
diff
changeset
|
445 # see posix.py for description |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25204
diff
changeset
|
446 raise NotImplementedError() |
c2ec81891502
util: add a simple poll utility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25204
diff
changeset
|
447 |
22245
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
448 def readpipe(pipe): |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
449 """Read all available data from a pipe.""" |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
450 chunks = [] |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
451 while True: |
24653
83f6c4733ecc
windows: allow readpipe() to actually read data out of the pipe
Matt Harbison <matt_harbison@yahoo.com>
parents:
24598
diff
changeset
|
452 size = win32.peekpipe(pipe) |
22245
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
453 if not size: |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
454 break |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
455 |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
456 s = pipe.read(size) |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
457 if not s: |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
458 break |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
459 chunks.append(s) |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
460 |
234e4c24b980
platform: implement readpipe()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20202
diff
changeset
|
461 return ''.join(chunks) |