Mercurial > hg
annotate mercurial/posix.py @ 18365:4148414da120
obsolete: process markers in a stable order
Using set iteration order gave unstable debugsuccessorssets output with
PYTHONHASHSEED=random.
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Tue, 15 Jan 2013 02:59:13 +0100 |
parents | 0d5a22f73a1f |
children | ecba9b0e7672 |
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1 # posix.py - Posix 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 encoding |
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10 import os, sys, errno, stat, getpass, pwd, grp, socket, tempfile, unicodedata |
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11 |
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12 posixfile = open |
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13 normpath = os.path.normpath |
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14 samestat = os.path.samestat |
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15 oslink = os.link |
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16 unlink = os.unlink |
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17 rename = os.rename |
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18 expandglobs = False |
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19 |
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20 umask = os.umask(0) |
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21 os.umask(umask) |
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22 |
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23 def split(p): |
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24 '''Same as posixpath.split, but faster |
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25 |
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26 >>> import posixpath |
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27 >>> for f in ['/absolute/path/to/file', |
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28 ... 'relative/path/to/file', |
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29 ... 'file_alone', |
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30 ... 'path/to/directory/', |
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31 ... '/multiple/path//separators', |
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32 ... '/file_at_root', |
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33 ... '///multiple_leading_separators_at_root', |
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34 ... '']: |
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35 ... assert split(f) == posixpath.split(f), f |
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36 ''' |
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37 ht = p.rsplit('/', 1) |
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38 if len(ht) == 1: |
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39 return '', p |
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40 nh = ht[0].rstrip('/') |
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41 if nh: |
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42 return nh, ht[1] |
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43 return ht[0] + '/', ht[1] |
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44 |
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45 def openhardlinks(): |
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46 '''return true if it is safe to hold open file handles to hardlinks''' |
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47 return True |
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48 |
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49 def nlinks(name): |
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50 '''return number of hardlinks for the given file''' |
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51 return os.lstat(name).st_nlink |
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52 |
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53 def parsepatchoutput(output_line): |
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54 """parses the output produced by patch and returns the filename""" |
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55 pf = output_line[14:] |
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56 if os.sys.platform == 'OpenVMS': |
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57 if pf[0] == '`': |
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58 pf = pf[1:-1] # Remove the quotes |
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59 else: |
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60 if pf.startswith("'") and pf.endswith("'") and " " in pf: |
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61 pf = pf[1:-1] # Remove the quotes |
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62 return pf |
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63 |
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64 def sshargs(sshcmd, host, user, port): |
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65 '''Build argument list for ssh''' |
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66 args = user and ("%s@%s" % (user, host)) or host |
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67 return port and ("%s -p %s" % (args, port)) or args |
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68 |
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69 def isexec(f): |
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70 """check whether a file is executable""" |
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71 return (os.lstat(f).st_mode & 0100 != 0) |
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72 |
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73 def setflags(f, l, x): |
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74 s = os.lstat(f).st_mode |
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75 if l: |
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76 if not stat.S_ISLNK(s): |
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77 # switch file to link |
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78 fp = open(f) |
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79 data = fp.read() |
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80 fp.close() |
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81 os.unlink(f) |
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82 try: |
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83 os.symlink(data, f) |
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84 except OSError: |
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85 # failed to make a link, rewrite file |
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86 fp = open(f, "w") |
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87 fp.write(data) |
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88 fp.close() |
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89 # no chmod needed at this point |
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90 return |
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91 if stat.S_ISLNK(s): |
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92 # switch link to file |
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93 data = os.readlink(f) |
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94 os.unlink(f) |
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95 fp = open(f, "w") |
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96 fp.write(data) |
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97 fp.close() |
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98 s = 0666 & ~umask # avoid restatting for chmod |
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99 |
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100 sx = s & 0100 |
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101 if x and not sx: |
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102 # Turn on +x for every +r bit when making a file executable |
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103 # and obey umask. |
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104 os.chmod(f, s | (s & 0444) >> 2 & ~umask) |
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105 elif not x and sx: |
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106 # Turn off all +x bits |
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107 os.chmod(f, s & 0666) |
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108 |
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109 def copymode(src, dst, mode=None): |
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110 '''Copy the file mode from the file at path src to dst. |
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111 If src doesn't exist, we're using mode instead. If mode is None, we're |
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112 using umask.''' |
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113 try: |
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114 st_mode = os.lstat(src).st_mode & 0777 |
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115 except OSError, inst: |
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116 if inst.errno != errno.ENOENT: |
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117 raise |
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118 st_mode = mode |
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119 if st_mode is None: |
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120 st_mode = ~umask |
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121 st_mode &= 0666 |
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122 os.chmod(dst, st_mode) |
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123 |
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124 def checkexec(path): |
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125 """ |
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126 Check whether the given path is on a filesystem with UNIX-like exec flags |
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127 |
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128 Requires a directory (like /foo/.hg) |
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129 """ |
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130 |
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131 # VFAT on some Linux versions can flip mode but it doesn't persist |
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132 # a FS remount. Frequently we can detect it if files are created |
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133 # with exec bit on. |
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134 |
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135 try: |
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136 EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
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137 fh, fn = tempfile.mkstemp(dir=path, prefix='hg-checkexec-') |
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138 try: |
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139 os.close(fh) |
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140 m = os.stat(fn).st_mode & 0777 |
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141 new_file_has_exec = m & EXECFLAGS |
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142 os.chmod(fn, m ^ EXECFLAGS) |
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143 exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m) |
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144 finally: |
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145 os.unlink(fn) |
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146 except (IOError, OSError): |
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147 # we don't care, the user probably won't be able to commit anyway |
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148 return False |
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149 return not (new_file_has_exec or exec_flags_cannot_flip) |
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150 |
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151 def checklink(path): |
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152 """check whether the given path is on a symlink-capable filesystem""" |
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153 # mktemp is not racy because symlink creation will fail if the |
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154 # file already exists |
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155 name = tempfile.mktemp(dir=path, prefix='hg-checklink-') |
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156 try: |
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157 os.symlink(".", name) |
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158 os.unlink(name) |
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159 return True |
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160 except (OSError, AttributeError): |
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161 return False |
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162 |
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163 def checkosfilename(path): |
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164 '''Check that the base-relative path is a valid filename on this platform. |
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165 Returns None if the path is ok, or a UI string describing the problem.''' |
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166 pass # on posix platforms, every path is ok |
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167 |
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168 def setbinary(fd): |
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169 pass |
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170 |
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171 def pconvert(path): |
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172 return path |
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173 |
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174 def localpath(path): |
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175 return path |
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176 |
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177 def samefile(fpath1, fpath2): |
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178 """Returns whether path1 and path2 refer to the same file. This is only |
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179 guaranteed to work for files, not directories.""" |
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180 return os.path.samefile(fpath1, fpath2) |
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181 |
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182 def samedevice(fpath1, fpath2): |
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183 """Returns whether fpath1 and fpath2 are on the same device. This is only |
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184 guaranteed to work for files, not directories.""" |
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185 st1 = os.lstat(fpath1) |
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186 st2 = os.lstat(fpath2) |
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187 return st1.st_dev == st2.st_dev |
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188 |
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189 # os.path.normcase is a no-op, which doesn't help us on non-native filesystems |
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190 def normcase(path): |
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191 return path.lower() |
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192 |
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193 if sys.platform == 'darwin': |
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194 import fcntl # only needed on darwin, missing on jython |
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195 |
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196 def normcase(path): |
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197 try: |
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198 u = path.decode('utf-8') |
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199 except UnicodeDecodeError: |
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200 # percent-encode any characters that don't round-trip |
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201 p2 = path.decode('utf-8', 'ignore').encode('utf-8') |
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202 s = "" |
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203 pos = 0 |
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204 for c in path: |
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205 if p2[pos:pos + 1] == c: |
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206 s += c |
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207 pos += 1 |
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208 else: |
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209 s += "%%%02X" % ord(c) |
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210 u = s.decode('utf-8') |
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211 |
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212 # Decompose then lowercase (HFS+ technote specifies lower) |
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213 return unicodedata.normalize('NFD', u).lower().encode('utf-8') |
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214 |
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215 def realpath(path): |
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216 ''' |
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217 Returns the true, canonical file system path equivalent to the given |
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218 path. |
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219 |
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220 Equivalent means, in this case, resulting in the same, unique |
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221 file system link to the path. Every file system entry, whether a file, |
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222 directory, hard link or symbolic link or special, will have a single |
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223 path preferred by the system, but may allow multiple, differing path |
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224 lookups to point to it. |
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225 |
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226 Most regular UNIX file systems only allow a file system entry to be |
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227 looked up by its distinct path. Obviously, this does not apply to case |
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228 insensitive file systems, whether case preserving or not. The most |
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229 complex issue to deal with is file systems transparently reencoding the |
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230 path, such as the non-standard Unicode normalisation required for HFS+ |
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231 and HFSX. |
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232 ''' |
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233 # Constants copied from /usr/include/sys/fcntl.h |
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234 F_GETPATH = 50 |
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235 O_SYMLINK = 0x200000 |
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236 |
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237 try: |
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238 fd = os.open(path, O_SYMLINK) |
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239 except OSError, err: |
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240 if err.errno == errno.ENOENT: |
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241 return path |
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242 raise |
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243 |
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244 try: |
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245 return fcntl.fcntl(fd, F_GETPATH, '\0' * 1024).rstrip('\0') |
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246 finally: |
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247 os.close(fd) |
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248 elif sys.version_info < (2, 4, 2, 'final'): |
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249 # Workaround for http://bugs.python.org/issue1213894 (os.path.realpath |
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250 # didn't resolve symlinks that were the first component of the path.) |
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251 def realpath(path): |
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252 if os.path.isabs(path): |
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253 return os.path.realpath(path) |
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254 else: |
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255 return os.path.realpath('./' + path) |
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256 else: |
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257 # Fallback to the likely inadequate Python builtin function. |
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258 realpath = os.path.realpath |
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259 |
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260 if sys.platform == 'cygwin': |
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261 # workaround for cygwin, in which mount point part of path is |
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262 # treated as case sensitive, even though underlying NTFS is case |
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263 # insensitive. |
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264 |
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265 # default mount points |
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266 cygwinmountpoints = sorted([ |
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267 "/usr/bin", |
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268 "/usr/lib", |
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269 "/cygdrive", |
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270 ], reverse=True) |
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271 |
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272 # use upper-ing as normcase as same as NTFS workaround |
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273 def normcase(path): |
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274 pathlen = len(path) |
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275 if (pathlen == 0) or (path[0] != os.sep): |
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276 # treat as relative |
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277 return encoding.upper(path) |
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278 |
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279 # to preserve case of mountpoint part |
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280 for mp in cygwinmountpoints: |
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281 if not path.startswith(mp): |
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282 continue |
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283 |
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284 mplen = len(mp) |
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285 if mplen == pathlen: # mount point itself |
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286 return mp |
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287 if path[mplen] == os.sep: |
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288 return mp + encoding.upper(path[mplen:]) |
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289 |
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290 return encoding.upper(path) |
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291 |
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292 # Cygwin translates native ACLs to POSIX permissions, |
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293 # but these translations are not supported by native |
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294 # tools, so the exec bit tends to be set erroneously. |
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295 # Therefore, disable executable bit access on Cygwin. |
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296 def checkexec(path): |
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297 return False |
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298 |
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299 # Similarly, Cygwin's symlink emulation is likely to create |
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300 # problems when Mercurial is used from both Cygwin and native |
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301 # Windows, with other native tools, or on shared volumes |
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302 def checklink(path): |
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303 return False |
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304 |
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305 def shellquote(s): |
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306 if os.sys.platform == 'OpenVMS': |
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307 return '"%s"' % s |
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308 else: |
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309 return "'%s'" % s.replace("'", "'\\''") |
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310 |
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311 def quotecommand(cmd): |
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312 return cmd |
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313 |
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314 def popen(command, mode='r'): |
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315 return os.popen(command, mode) |
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316 |
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317 def testpid(pid): |
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318 '''return False if pid dead, True if running or not sure''' |
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319 if os.sys.platform == 'OpenVMS': |
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320 return True |
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321 try: |
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322 os.kill(pid, 0) |
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323 return True |
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324 except OSError, inst: |
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325 return inst.errno != errno.ESRCH |
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326 |
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327 def explainexit(code): |
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328 """return a 2-tuple (desc, code) describing a subprocess status |
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329 (codes from kill are negative - not os.system/wait encoding)""" |
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330 if code >= 0: |
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331 return _("exited with status %d") % code, code |
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332 return _("killed by signal %d") % -code, -code |
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333 |
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334 def isowner(st): |
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335 """Return True if the stat object st is from the current user.""" |
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Matt Mackall <mpm@selenic.com>
parents:
diff
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|
336 return st.st_uid == os.getuid() |
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
337 |
14271
4030630fb59c
rename util.find_exe to findexe
Adrian Buehlmann <adrian@cadifra.com>
parents:
14237
diff
changeset
|
338 def findexe(command): |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
339 '''Find executable for command searching like which does. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
340 If command is a basename then PATH is searched for command. |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
341 PATH isn't searched if command is an absolute or relative path. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
342 If command isn't found None is returned.''' |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
343 if sys.platform == 'OpenVMS': |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
344 return command |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
345 |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
346 def findexisting(executable): |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
347 'Will return executable if existing file' |
15499
58f96703a9ab
posix: fix findexe() to check for file type and access
Marc-Antoine Ruel <maruel@google.com>
parents:
15488
diff
changeset
|
348 if os.path.isfile(executable) and os.access(executable, os.X_OK): |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
349 return executable |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
350 return None |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
351 |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
352 if os.sep in command: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
353 return findexisting(command) |
e710f0f592b2
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
354 |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
changeset
|
355 if sys.platform == 'plan9': |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
changeset
|
356 return findexisting(os.path.join('/bin', command)) |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
16241
diff
changeset
|
357 |
7890
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
358 for path in os.environ.get('PATH', '').split(os.pathsep): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
359 executable = findexisting(os.path.join(path, command)) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
360 if executable is not None: |
15499
58f96703a9ab
posix: fix findexe() to check for file type and access
Marc-Antoine Ruel <maruel@google.com>
parents:
15488
diff
changeset
|
361 return executable |
7890
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util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
362 return None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
363 |
14237
4d684d8210a1
rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents:
14235
diff
changeset
|
364 def setsignalhandler(): |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
365 pass |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
366 |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
367 _wantedkinds = set([stat.S_IFREG, stat.S_IFLNK]) |
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
368 |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
369 def statfiles(files): |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
370 '''Stat each file in files. Yield each stat, or None if a file does not |
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
371 exist or has a type we don't care about.''' |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
372 lstat = os.lstat |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
373 getkind = stat.S_IFMT |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
374 for nf in files: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
375 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
376 st = lstat(nf) |
18017
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
377 if getkind(st.st_mode) not in _wantedkinds: |
74912fe3d718
dirstate: move file type filtering to its source
Bryan O'Sullivan <bryano@fb.com>
parents:
17560
diff
changeset
|
378 st = None |
7890
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
379 except OSError, err: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
380 if err.errno not in (errno.ENOENT, errno.ENOTDIR): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
381 raise |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
382 st = None |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
383 yield st |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
384 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
385 def getuser(): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
386 '''return name of current user''' |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
387 return getpass.getuser() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
388 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
389 def username(uid=None): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
390 """Return the name of the user with the given uid. |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
391 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
392 If uid is None, return the name of the current user.""" |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
393 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
394 if uid is None: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
395 uid = os.getuid() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
396 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
397 return pwd.getpwuid(uid)[0] |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
398 except KeyError: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
399 return str(uid) |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
400 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
401 def groupname(gid=None): |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
402 """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
|
403 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
404 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
|
405 |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
406 if gid is None: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
407 gid = os.getgid() |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
408 try: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
409 return grp.getgrgid(gid)[0] |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
410 except KeyError: |
e710f0f592b2
util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
411 return str(gid) |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
412 |
11138
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
413 def groupmembers(name): |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
414 """Return the list of members of the group with the given |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
415 name, KeyError if the group does not exist. |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
416 """ |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
417 return list(grp.getgrnam(name).gr_mem) |
99eee847beaa
acl: grp module is not available on windows
Patrick Mezard <pmezard@gmail.com>
parents:
11011
diff
changeset
|
418 |
10237
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
419 def spawndetached(args): |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
420 return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0), |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
421 args[0], args) |
2f7a38f336f4
serve: add and use portable spawnvp replacement
Patrick Mezard <pmezard@gmail.com>
parents:
10218
diff
changeset
|
422 |
10239
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
423 def gethgcmd(): |
8e4be44a676f
Find right hg command for detached process
Patrick Mezard <pmezard@gmail.com>
parents:
10237
diff
changeset
|
424 return sys.argv[:1] |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
425 |
12689
c52c629ce19e
termwidth: move to ui.ui from util
Augie Fackler <durin42@gmail.com>
parents:
11138
diff
changeset
|
426 def termwidth(): |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
427 try: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
428 import termios, array, fcntl |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
429 for dev in (sys.stderr, sys.stdout, sys.stdin): |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
430 try: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
431 try: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
432 fd = dev.fileno() |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
433 except AttributeError: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
434 continue |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
435 if not os.isatty(fd): |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
436 continue |
16726
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
437 try: |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
438 arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
439 width = array.array('h', arri)[1] |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
440 if width > 0: |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
441 return width |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
442 except AttributeError: |
7002bb17cc5e
posix: workaround lack of TIOCGWINSZ on Irix (issue3449)
Mark Round <hg@markround.com>
parents:
16383
diff
changeset
|
443 pass |
11010
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
444 except ValueError: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
445 pass |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
446 except IOError, e: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
447 if e[0] == errno.EINVAL: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
448 pass |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
449 else: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
450 raise |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
451 except ImportError: |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
452 pass |
18e81d42ee5c
util: fix default termwidth() under Windows
Patrick Mezard <pmezard@gmail.com>
parents:
10264
diff
changeset
|
453 return 80 |
14908
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
454 |
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
455 def makedir(path, notindexed): |
e2b5605501df
util: move "default" makedir to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14273
diff
changeset
|
456 os.mkdir(path) |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
parents:
14908
diff
changeset
|
457 |
18143
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents:
18097
diff
changeset
|
458 def unlinkpath(f, ignoremissing=False): |
14909
c627fe32c923
util: move "default" unlinkpath to posix.py
Adrian Buehlmann <adrian@cadifra.com>
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459 """unlink and remove the directory if it is empty""" |
18143
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util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
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diff
changeset
|
460 try: |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
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461 os.unlink(f) |
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util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
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462 except OSError, e: |
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util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
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463 if not (ignoremissing and e.errno == errno.ENOENT): |
242d2f4ec01c
util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
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464 raise |
14909
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util: move "default" unlinkpath to posix.py
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465 # try removing directories that might now be empty |
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util: move "default" unlinkpath to posix.py
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466 try: |
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util: move "default" unlinkpath to posix.py
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467 os.removedirs(os.path.dirname(f)) |
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util: move "default" unlinkpath to posix.py
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468 except OSError: |
c627fe32c923
util: move "default" unlinkpath to posix.py
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parents:
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469 pass |
c627fe32c923
util: move "default" unlinkpath to posix.py
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470 |
14910
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util: move "default" lookupreg to posix.py
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471 def lookupreg(key, name=None, scope=None): |
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util: move "default" lookupreg to posix.py
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472 return None |
14911
5b39503157fd
util: move "default" hidewindow to posix.py
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473 |
5b39503157fd
util: move "default" hidewindow to posix.py
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474 def hidewindow(): |
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util: move "default" hidewindow to posix.py
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475 """Hide current shell window. |
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util: move "default" hidewindow to posix.py
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476 |
5b39503157fd
util: move "default" hidewindow to posix.py
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477 Used to hide the window opened when starting asynchronous |
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util: move "default" hidewindow to posix.py
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478 child process under Windows, unneeded on other systems. |
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479 """ |
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480 pass |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
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changeset
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481 |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
Idan Kamara <idankk86@gmail.com>
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482 class cachestat(object): |
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posix, windows: introduce cachestat
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483 def __init__(self, path): |
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484 self.stat = os.stat(path) |
2aa3e07b2f07
posix, windows: introduce cachestat
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485 |
2aa3e07b2f07
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486 def cacheable(self): |
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487 return bool(self.stat.st_ino) |
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488 |
15791
a814f8fcc65a
Use explicit integer division
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489 __hash__ = object.__hash__ |
a814f8fcc65a
Use explicit integer division
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|
490 |
14927
2aa3e07b2f07
posix, windows: introduce cachestat
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491 def __eq__(self, other): |
2aa3e07b2f07
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492 try: |
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493 return self.stat == other.stat |
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494 except AttributeError: |
2aa3e07b2f07
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|
495 return False |
2aa3e07b2f07
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parents:
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diff
changeset
|
496 |
2aa3e07b2f07
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|
497 def __ne__(self, other): |
2aa3e07b2f07
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498 return not self == other |
2aa3e07b2f07
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parents:
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diff
changeset
|
499 |
14926
4e7e63fc685a
util: eliminate wildcard imports
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
500 def executablepath(): |
4e7e63fc685a
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parents:
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diff
changeset
|
501 return None # available on Windows only |
18097
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posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
502 |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
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parents:
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|
503 class unixdomainserver(socket.socket): |
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504 def __init__(self, join, subsystem): |
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505 '''Create a unix domain socket with the given prefix.''' |
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506 super(unixdomainserver, self).__init__(socket.AF_UNIX) |
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507 sockname = subsystem + '.sock' |
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diff
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508 self.realpath = self.path = join(sockname) |
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Bryan O'Sullivan <bryano@fb.com>
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diff
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509 if os.path.islink(self.path): |
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posix: move server side of unix domain sockets out of inotify
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510 if os.path.exists(self.path): |
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diff
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511 self.realpath = os.readlink(self.path) |
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posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
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diff
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512 else: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
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diff
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|
513 os.unlink(self.path) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
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diff
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|
514 try: |
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posix: move server side of unix domain sockets out of inotify
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diff
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|
515 self.bind(self.realpath) |
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
516 except socket.error, err: |
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posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
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diff
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517 if err.args[0] == 'AF_UNIX path too long': |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
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parents:
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diff
changeset
|
518 tmpdir = tempfile.mkdtemp(prefix='hg-%s-' % subsystem) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
519 self.realpath = os.path.join(tmpdir, sockname) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
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parents:
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diff
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|
520 try: |
ae54cff742e2
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parents:
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diff
changeset
|
521 self.bind(self.realpath) |
ae54cff742e2
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parents:
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diff
changeset
|
522 os.symlink(self.realpath, self.path) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
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|
523 except (OSError, socket.error): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
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parents:
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diff
changeset
|
524 self.cleanup() |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
525 raise |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
526 else: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
527 raise |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
528 self.listen(5) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
529 |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
530 def cleanup(self): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
531 def okayifmissing(f, path): |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
532 try: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
533 f(path) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
534 except OSError, err: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
535 if err.errno != errno.ENOENT: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
536 raise |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
537 |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
538 okayifmissing(os.unlink, self.path) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
539 if self.realpath != self.path: |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
540 okayifmissing(os.unlink, self.realpath) |
ae54cff742e2
posix: move server side of unix domain sockets out of inotify
Bryan O'Sullivan <bryano@fb.com>
parents:
18017
diff
changeset
|
541 okayifmissing(os.rmdir, os.path.dirname(self.realpath)) |