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@@ -1,1966 +1,1967 b'' | |||
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1 | 1 | # util.py - Mercurial utility functions and platform specific implementations |
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2 | 2 | # |
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3 | 3 | # Copyright 2005 K. Thananchayan <thananck@yahoo.com> |
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4 | 4 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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5 | 5 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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6 | 6 | # |
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7 | 7 | # This software may be used and distributed according to the terms of the |
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8 | 8 | # GNU General Public License version 2 or any later version. |
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9 | 9 | |
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10 | 10 | """Mercurial utility functions and platform specific implementations. |
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11 | 11 | |
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12 | 12 | This contains helper routines that are independent of the SCM core and |
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13 | 13 | hide platform-specific details from the core. |
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14 | 14 | """ |
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15 | 15 | |
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16 | 16 | from i18n import _ |
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17 | 17 | import error, osutil, encoding, collections |
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18 | 18 | import errno, re, shutil, sys, tempfile, traceback |
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19 | 19 | import os, time, datetime, calendar, textwrap, signal |
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20 | 20 | import imp, socket, urllib |
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21 | 21 | |
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22 | 22 | if os.name == 'nt': |
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23 | 23 | import windows as platform |
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24 | 24 | else: |
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25 | 25 | import posix as platform |
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26 | 26 | |
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27 | 27 | cachestat = platform.cachestat |
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28 | 28 | checkexec = platform.checkexec |
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29 | 29 | checklink = platform.checklink |
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30 | 30 | copymode = platform.copymode |
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31 | 31 | executablepath = platform.executablepath |
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32 | 32 | expandglobs = platform.expandglobs |
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33 | 33 | explainexit = platform.explainexit |
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34 | 34 | findexe = platform.findexe |
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35 | 35 | gethgcmd = platform.gethgcmd |
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36 | 36 | getuser = platform.getuser |
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37 | 37 | groupmembers = platform.groupmembers |
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38 | 38 | groupname = platform.groupname |
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39 | 39 | hidewindow = platform.hidewindow |
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40 | 40 | isexec = platform.isexec |
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41 | 41 | isowner = platform.isowner |
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42 | 42 | localpath = platform.localpath |
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43 | 43 | lookupreg = platform.lookupreg |
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44 | 44 | makedir = platform.makedir |
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45 | 45 | nlinks = platform.nlinks |
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46 | 46 | normpath = platform.normpath |
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47 | 47 | normcase = platform.normcase |
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48 | 48 | openhardlinks = platform.openhardlinks |
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49 | 49 | oslink = platform.oslink |
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50 | 50 | parsepatchoutput = platform.parsepatchoutput |
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51 | 51 | pconvert = platform.pconvert |
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52 | 52 | popen = platform.popen |
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53 | 53 | posixfile = platform.posixfile |
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54 | 54 | quotecommand = platform.quotecommand |
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55 | 55 | realpath = platform.realpath |
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56 | 56 | rename = platform.rename |
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57 | 57 | samedevice = platform.samedevice |
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58 | 58 | samefile = platform.samefile |
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59 | 59 | samestat = platform.samestat |
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60 | 60 | setbinary = platform.setbinary |
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61 | 61 | setflags = platform.setflags |
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62 | 62 | setsignalhandler = platform.setsignalhandler |
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63 | 63 | shellquote = platform.shellquote |
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64 | 64 | spawndetached = platform.spawndetached |
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65 | 65 | split = platform.split |
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66 | 66 | sshargs = platform.sshargs |
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67 | 67 | statfiles = getattr(osutil, 'statfiles', platform.statfiles) |
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68 | 68 | statisexec = platform.statisexec |
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69 | 69 | statislink = platform.statislink |
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70 | 70 | termwidth = platform.termwidth |
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71 | 71 | testpid = platform.testpid |
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72 | 72 | umask = platform.umask |
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73 | 73 | unlink = platform.unlink |
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74 | 74 | unlinkpath = platform.unlinkpath |
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75 | 75 | username = platform.username |
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76 | 76 | |
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77 | 77 | # Python compatibility |
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78 | 78 | |
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79 | 79 | _notset = object() |
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80 | 80 | |
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81 | 81 | def safehasattr(thing, attr): |
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82 | 82 | return getattr(thing, attr, _notset) is not _notset |
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83 | 83 | |
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84 | 84 | def sha1(s=''): |
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85 | 85 | ''' |
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86 | 86 | Low-overhead wrapper around Python's SHA support |
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87 | 87 | |
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88 | 88 | >>> f = _fastsha1 |
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89 | 89 | >>> a = sha1() |
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90 | 90 | >>> a = f() |
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91 | 91 | >>> a.hexdigest() |
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92 | 92 | 'da39a3ee5e6b4b0d3255bfef95601890afd80709' |
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93 | 93 | ''' |
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94 | 94 | |
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95 | 95 | return _fastsha1(s) |
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96 | 96 | |
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97 | 97 | def _fastsha1(s=''): |
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98 | 98 | # This function will import sha1 from hashlib or sha (whichever is |
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99 | 99 | # available) and overwrite itself with it on the first call. |
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100 | 100 | # Subsequent calls will go directly to the imported function. |
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101 | 101 | if sys.version_info >= (2, 5): |
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102 | 102 | from hashlib import sha1 as _sha1 |
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103 | 103 | else: |
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104 | 104 | from sha import sha as _sha1 |
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105 | 105 | global _fastsha1, sha1 |
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106 | 106 | _fastsha1 = sha1 = _sha1 |
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107 | 107 | return _sha1(s) |
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108 | 108 | |
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109 | 109 | try: |
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110 | 110 | buffer = buffer |
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111 | 111 | except NameError: |
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112 | 112 | if sys.version_info[0] < 3: |
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113 | 113 | def buffer(sliceable, offset=0): |
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114 | 114 | return sliceable[offset:] |
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115 | 115 | else: |
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116 | 116 | def buffer(sliceable, offset=0): |
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117 | 117 | return memoryview(sliceable)[offset:] |
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118 | 118 | |
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119 | 119 | import subprocess |
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120 | 120 | closefds = os.name == 'posix' |
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121 | 121 | |
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122 | 122 | def popen2(cmd, env=None, newlines=False): |
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123 | 123 | # Setting bufsize to -1 lets the system decide the buffer size. |
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124 | 124 | # The default for bufsize is 0, meaning unbuffered. This leads to |
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125 | 125 | # poor performance on Mac OS X: http://bugs.python.org/issue4194 |
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126 | 126 | p = subprocess.Popen(cmd, shell=True, bufsize=-1, |
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127 | 127 | close_fds=closefds, |
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128 | 128 | stdin=subprocess.PIPE, stdout=subprocess.PIPE, |
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129 | 129 | universal_newlines=newlines, |
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130 | 130 | env=env) |
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131 | 131 | return p.stdin, p.stdout |
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132 | 132 | |
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133 | 133 | def popen3(cmd, env=None, newlines=False): |
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134 | 134 | stdin, stdout, stderr, p = popen4(cmd, env, newlines) |
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135 | 135 | return stdin, stdout, stderr |
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136 | 136 | |
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137 | 137 | def popen4(cmd, env=None, newlines=False): |
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138 | 138 | p = subprocess.Popen(cmd, shell=True, bufsize=-1, |
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139 | 139 | close_fds=closefds, |
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140 | 140 | stdin=subprocess.PIPE, stdout=subprocess.PIPE, |
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141 | 141 | stderr=subprocess.PIPE, |
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142 | 142 | universal_newlines=newlines, |
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143 | 143 | env=env) |
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144 | 144 | return p.stdin, p.stdout, p.stderr, p |
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145 | 145 | |
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146 | 146 | def version(): |
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147 | 147 | """Return version information if available.""" |
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148 | 148 | try: |
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149 | 149 | import __version__ |
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150 | 150 | return __version__.version |
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151 | 151 | except ImportError: |
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152 | 152 | return 'unknown' |
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153 | 153 | |
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154 | 154 | # used by parsedate |
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155 | 155 | defaultdateformats = ( |
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156 | 156 | '%Y-%m-%d %H:%M:%S', |
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157 | 157 | '%Y-%m-%d %I:%M:%S%p', |
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158 | 158 | '%Y-%m-%d %H:%M', |
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159 | 159 | '%Y-%m-%d %I:%M%p', |
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160 | 160 | '%Y-%m-%d', |
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161 | 161 | '%m-%d', |
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162 | 162 | '%m/%d', |
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163 | 163 | '%m/%d/%y', |
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164 | 164 | '%m/%d/%Y', |
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165 | 165 | '%a %b %d %H:%M:%S %Y', |
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166 | 166 | '%a %b %d %I:%M:%S%p %Y', |
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167 | 167 | '%a, %d %b %Y %H:%M:%S', # GNU coreutils "/bin/date --rfc-2822" |
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168 | 168 | '%b %d %H:%M:%S %Y', |
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169 | 169 | '%b %d %I:%M:%S%p %Y', |
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170 | 170 | '%b %d %H:%M:%S', |
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171 | 171 | '%b %d %I:%M:%S%p', |
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172 | 172 | '%b %d %H:%M', |
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173 | 173 | '%b %d %I:%M%p', |
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174 | 174 | '%b %d %Y', |
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175 | 175 | '%b %d', |
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176 | 176 | '%H:%M:%S', |
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177 | 177 | '%I:%M:%S%p', |
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178 | 178 | '%H:%M', |
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179 | 179 | '%I:%M%p', |
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180 | 180 | ) |
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181 | 181 | |
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182 | 182 | extendeddateformats = defaultdateformats + ( |
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183 | 183 | "%Y", |
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184 | 184 | "%Y-%m", |
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185 | 185 | "%b", |
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186 | 186 | "%b %Y", |
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187 | 187 | ) |
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188 | 188 | |
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189 | 189 | def cachefunc(func): |
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190 | 190 | '''cache the result of function calls''' |
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191 | 191 | # XXX doesn't handle keywords args |
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192 | 192 | cache = {} |
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193 | 193 | if func.func_code.co_argcount == 1: |
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194 | 194 | # we gain a small amount of time because |
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195 | 195 | # we don't need to pack/unpack the list |
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196 | 196 | def f(arg): |
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197 | 197 | if arg not in cache: |
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198 | 198 | cache[arg] = func(arg) |
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199 | 199 | return cache[arg] |
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200 | 200 | else: |
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201 | 201 | def f(*args): |
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202 | 202 | if args not in cache: |
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203 | 203 | cache[args] = func(*args) |
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204 | 204 | return cache[args] |
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205 | 205 | |
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206 | 206 | return f |
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207 | 207 | |
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208 | 208 | try: |
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209 | 209 | collections.deque.remove |
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210 | 210 | deque = collections.deque |
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211 | 211 | except AttributeError: |
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212 | 212 | # python 2.4 lacks deque.remove |
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213 | 213 | class deque(collections.deque): |
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214 | 214 | def remove(self, val): |
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215 | 215 | for i, v in enumerate(self): |
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216 | 216 | if v == val: |
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217 | 217 | del self[i] |
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218 | 218 | break |
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219 | 219 | |
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220 | 220 | class lrucachedict(object): |
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221 | 221 | '''cache most recent gets from or sets to this dictionary''' |
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222 | 222 | def __init__(self, maxsize): |
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223 | 223 | self._cache = {} |
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224 | 224 | self._maxsize = maxsize |
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225 | 225 | self._order = deque() |
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226 | 226 | |
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227 | 227 | def __getitem__(self, key): |
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228 | 228 | value = self._cache[key] |
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229 | 229 | self._order.remove(key) |
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230 | 230 | self._order.append(key) |
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231 | 231 | return value |
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232 | 232 | |
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233 | 233 | def __setitem__(self, key, value): |
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234 | 234 | if key not in self._cache: |
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235 | 235 | if len(self._cache) >= self._maxsize: |
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236 | 236 | del self._cache[self._order.popleft()] |
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237 | 237 | else: |
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238 | 238 | self._order.remove(key) |
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239 | 239 | self._cache[key] = value |
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240 | 240 | self._order.append(key) |
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241 | 241 | |
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242 | 242 | def __contains__(self, key): |
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243 | 243 | return key in self._cache |
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244 | 244 | |
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245 | 245 | def lrucachefunc(func): |
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246 | 246 | '''cache most recent results of function calls''' |
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247 | 247 | cache = {} |
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248 | 248 | order = deque() |
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249 | 249 | if func.func_code.co_argcount == 1: |
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250 | 250 | def f(arg): |
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251 | 251 | if arg not in cache: |
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252 | 252 | if len(cache) > 20: |
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253 | 253 | del cache[order.popleft()] |
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254 | 254 | cache[arg] = func(arg) |
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255 | 255 | else: |
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256 | 256 | order.remove(arg) |
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257 | 257 | order.append(arg) |
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258 | 258 | return cache[arg] |
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259 | 259 | else: |
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260 | 260 | def f(*args): |
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261 | 261 | if args not in cache: |
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262 | 262 | if len(cache) > 20: |
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263 | 263 | del cache[order.popleft()] |
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264 | 264 | cache[args] = func(*args) |
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265 | 265 | else: |
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266 | 266 | order.remove(args) |
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267 | 267 | order.append(args) |
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268 | 268 | return cache[args] |
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269 | 269 | |
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270 | 270 | return f |
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271 | 271 | |
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272 | 272 | class propertycache(object): |
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273 | 273 | def __init__(self, func): |
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274 | 274 | self.func = func |
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275 | 275 | self.name = func.__name__ |
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276 | 276 | def __get__(self, obj, type=None): |
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277 | 277 | result = self.func(obj) |
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278 | 278 | self.cachevalue(obj, result) |
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279 | 279 | return result |
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280 | 280 | |
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281 | 281 | def cachevalue(self, obj, value): |
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282 | 282 | setattr(obj, self.name, value) |
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283 | 283 | |
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284 | 284 | def pipefilter(s, cmd): |
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285 | 285 | '''filter string S through command CMD, returning its output''' |
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286 | 286 | p = subprocess.Popen(cmd, shell=True, close_fds=closefds, |
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287 | 287 | stdin=subprocess.PIPE, stdout=subprocess.PIPE) |
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288 | 288 | pout, perr = p.communicate(s) |
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289 | 289 | return pout |
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290 | 290 | |
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291 | 291 | def tempfilter(s, cmd): |
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292 | 292 | '''filter string S through a pair of temporary files with CMD. |
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293 | 293 | CMD is used as a template to create the real command to be run, |
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294 | 294 | with the strings INFILE and OUTFILE replaced by the real names of |
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295 | 295 | the temporary files generated.''' |
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296 | 296 | inname, outname = None, None |
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297 | 297 | try: |
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298 | 298 | infd, inname = tempfile.mkstemp(prefix='hg-filter-in-') |
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299 | 299 | fp = os.fdopen(infd, 'wb') |
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300 | 300 | fp.write(s) |
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301 | 301 | fp.close() |
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302 | 302 | outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-') |
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303 | 303 | os.close(outfd) |
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304 | 304 | cmd = cmd.replace('INFILE', inname) |
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305 | 305 | cmd = cmd.replace('OUTFILE', outname) |
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306 | 306 | code = os.system(cmd) |
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307 | 307 | if sys.platform == 'OpenVMS' and code & 1: |
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308 | 308 | code = 0 |
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309 | 309 | if code: |
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310 | 310 | raise Abort(_("command '%s' failed: %s") % |
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311 | 311 | (cmd, explainexit(code))) |
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312 | 312 | fp = open(outname, 'rb') |
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313 | 313 | r = fp.read() |
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314 | 314 | fp.close() |
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315 | 315 | return r |
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316 | 316 | finally: |
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317 | 317 | try: |
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318 | 318 | if inname: |
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319 | 319 | os.unlink(inname) |
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320 | 320 | except OSError: |
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321 | 321 | pass |
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322 | 322 | try: |
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323 | 323 | if outname: |
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324 | 324 | os.unlink(outname) |
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325 | 325 | except OSError: |
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326 | 326 | pass |
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327 | 327 | |
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328 | 328 | filtertable = { |
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329 | 329 | 'tempfile:': tempfilter, |
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330 | 330 | 'pipe:': pipefilter, |
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331 | 331 | } |
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332 | 332 | |
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333 | 333 | def filter(s, cmd): |
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334 | 334 | "filter a string through a command that transforms its input to its output" |
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335 | 335 | for name, fn in filtertable.iteritems(): |
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336 | 336 | if cmd.startswith(name): |
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337 | 337 | return fn(s, cmd[len(name):].lstrip()) |
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338 | 338 | return pipefilter(s, cmd) |
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339 | 339 | |
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340 | 340 | def binary(s): |
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341 | 341 | """return true if a string is binary data""" |
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342 | 342 | return bool(s and '\0' in s) |
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343 | 343 | |
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344 | 344 | def increasingchunks(source, min=1024, max=65536): |
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345 | 345 | '''return no less than min bytes per chunk while data remains, |
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346 | 346 | doubling min after each chunk until it reaches max''' |
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347 | 347 | def log2(x): |
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348 | 348 | if not x: |
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349 | 349 | return 0 |
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350 | 350 | i = 0 |
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351 | 351 | while x: |
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352 | 352 | x >>= 1 |
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353 | 353 | i += 1 |
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354 | 354 | return i - 1 |
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355 | 355 | |
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356 | 356 | buf = [] |
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357 | 357 | blen = 0 |
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358 | 358 | for chunk in source: |
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359 | 359 | buf.append(chunk) |
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360 | 360 | blen += len(chunk) |
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361 | 361 | if blen >= min: |
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362 | 362 | if min < max: |
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363 | 363 | min = min << 1 |
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364 | 364 | nmin = 1 << log2(blen) |
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365 | 365 | if nmin > min: |
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366 | 366 | min = nmin |
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367 | 367 | if min > max: |
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368 | 368 | min = max |
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369 | 369 | yield ''.join(buf) |
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370 | 370 | blen = 0 |
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371 | 371 | buf = [] |
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372 | 372 | if buf: |
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373 | 373 | yield ''.join(buf) |
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374 | 374 | |
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375 | 375 | Abort = error.Abort |
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376 | 376 | |
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377 | 377 | def always(fn): |
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378 | 378 | return True |
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379 | 379 | |
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380 | 380 | def never(fn): |
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381 | 381 | return False |
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382 | 382 | |
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383 | 383 | def pathto(root, n1, n2): |
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384 | 384 | '''return the relative path from one place to another. |
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385 | 385 | root should use os.sep to separate directories |
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386 | 386 | n1 should use os.sep to separate directories |
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387 | 387 | n2 should use "/" to separate directories |
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388 | 388 | returns an os.sep-separated path. |
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389 | 389 | |
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390 | 390 | If n1 is a relative path, it's assumed it's |
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391 | 391 | relative to root. |
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392 | 392 | n2 should always be relative to root. |
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393 | 393 | ''' |
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394 | 394 | if not n1: |
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395 | 395 | return localpath(n2) |
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396 | 396 | if os.path.isabs(n1): |
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397 | 397 | if os.path.splitdrive(root)[0] != os.path.splitdrive(n1)[0]: |
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398 | 398 | return os.path.join(root, localpath(n2)) |
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399 | 399 | n2 = '/'.join((pconvert(root), n2)) |
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400 | 400 | a, b = splitpath(n1), n2.split('/') |
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401 | 401 | a.reverse() |
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402 | 402 | b.reverse() |
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403 | 403 | while a and b and a[-1] == b[-1]: |
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404 | 404 | a.pop() |
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405 | 405 | b.pop() |
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406 | 406 | b.reverse() |
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407 | 407 | return os.sep.join((['..'] * len(a)) + b) or '.' |
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408 | 408 | |
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409 | 409 | _hgexecutable = None |
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410 | 410 | |
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411 | 411 | def mainfrozen(): |
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412 | 412 | """return True if we are a frozen executable. |
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413 | 413 | |
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414 | 414 | The code supports py2exe (most common, Windows only) and tools/freeze |
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415 | 415 | (portable, not much used). |
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416 | 416 | """ |
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417 | 417 | return (safehasattr(sys, "frozen") or # new py2exe |
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418 | 418 | safehasattr(sys, "importers") or # old py2exe |
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419 | 419 | imp.is_frozen("__main__")) # tools/freeze |
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420 | 420 | |
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421 | 421 | def hgexecutable(): |
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422 | 422 | """return location of the 'hg' executable. |
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423 | 423 | |
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424 | 424 | Defaults to $HG or 'hg' in the search path. |
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425 | 425 | """ |
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426 | 426 | if _hgexecutable is None: |
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427 | 427 | hg = os.environ.get('HG') |
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428 | 428 | mainmod = sys.modules['__main__'] |
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429 | 429 | if hg: |
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430 | 430 | _sethgexecutable(hg) |
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431 | 431 | elif mainfrozen(): |
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432 | 432 | _sethgexecutable(sys.executable) |
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433 | 433 | elif os.path.basename(getattr(mainmod, '__file__', '')) == 'hg': |
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434 | 434 | _sethgexecutable(mainmod.__file__) |
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435 | 435 | else: |
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436 | 436 | exe = findexe('hg') or os.path.basename(sys.argv[0]) |
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437 | 437 | _sethgexecutable(exe) |
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438 | 438 | return _hgexecutable |
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439 | 439 | |
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440 | 440 | def _sethgexecutable(path): |
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441 | 441 | """set location of the 'hg' executable""" |
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442 | 442 | global _hgexecutable |
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443 | 443 | _hgexecutable = path |
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444 | 444 | |
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445 | 445 | def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None, out=None): |
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446 | 446 | '''enhanced shell command execution. |
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447 | 447 | run with environment maybe modified, maybe in different dir. |
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448 | 448 | |
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449 | 449 | if command fails and onerr is None, return status. if ui object, |
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450 | 450 | print error message and return status, else raise onerr object as |
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451 | 451 | exception. |
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452 | 452 | |
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453 | 453 | if out is specified, it is assumed to be a file-like object that has a |
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454 | 454 | write() method. stdout and stderr will be redirected to out.''' |
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455 | 455 | try: |
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456 | 456 | sys.stdout.flush() |
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457 | 457 | except Exception: |
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458 | 458 | pass |
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459 | 459 | def py2shell(val): |
|
460 | 460 | 'convert python object into string that is useful to shell' |
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461 | 461 | if val is None or val is False: |
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462 | 462 | return '0' |
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463 | 463 | if val is True: |
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464 | 464 | return '1' |
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465 | 465 | return str(val) |
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466 | 466 | origcmd = cmd |
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467 | 467 | cmd = quotecommand(cmd) |
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468 | 468 | if sys.platform == 'plan9': |
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469 | 469 | # subprocess kludge to work around issues in half-baked Python |
|
470 | 470 | # ports, notably bichued/python: |
|
471 | 471 | if not cwd is None: |
|
472 | 472 | os.chdir(cwd) |
|
473 | 473 | rc = os.system(cmd) |
|
474 | 474 | else: |
|
475 | 475 | env = dict(os.environ) |
|
476 | 476 | env.update((k, py2shell(v)) for k, v in environ.iteritems()) |
|
477 | 477 | env['HG'] = hgexecutable() |
|
478 | 478 | if out is None or out == sys.__stdout__: |
|
479 | 479 | rc = subprocess.call(cmd, shell=True, close_fds=closefds, |
|
480 | 480 | env=env, cwd=cwd) |
|
481 | 481 | else: |
|
482 | 482 | proc = subprocess.Popen(cmd, shell=True, close_fds=closefds, |
|
483 | 483 | env=env, cwd=cwd, stdout=subprocess.PIPE, |
|
484 | 484 | stderr=subprocess.STDOUT) |
|
485 | 485 | for line in proc.stdout: |
|
486 | 486 | out.write(line) |
|
487 | 487 | proc.wait() |
|
488 | 488 | rc = proc.returncode |
|
489 | 489 | if sys.platform == 'OpenVMS' and rc & 1: |
|
490 | 490 | rc = 0 |
|
491 | 491 | if rc and onerr: |
|
492 | 492 | errmsg = '%s %s' % (os.path.basename(origcmd.split(None, 1)[0]), |
|
493 | 493 | explainexit(rc)[0]) |
|
494 | 494 | if errprefix: |
|
495 | 495 | errmsg = '%s: %s' % (errprefix, errmsg) |
|
496 | 496 | try: |
|
497 | 497 | onerr.warn(errmsg + '\n') |
|
498 | 498 | except AttributeError: |
|
499 | 499 | raise onerr(errmsg) |
|
500 | 500 | return rc |
|
501 | 501 | |
|
502 | 502 | def checksignature(func): |
|
503 | 503 | '''wrap a function with code to check for calling errors''' |
|
504 | 504 | def check(*args, **kwargs): |
|
505 | 505 | try: |
|
506 | 506 | return func(*args, **kwargs) |
|
507 | 507 | except TypeError: |
|
508 | 508 | if len(traceback.extract_tb(sys.exc_info()[2])) == 1: |
|
509 | 509 | raise error.SignatureError |
|
510 | 510 | raise |
|
511 | 511 | |
|
512 | 512 | return check |
|
513 | 513 | |
|
514 | 514 | def copyfile(src, dest): |
|
515 | 515 | "copy a file, preserving mode and atime/mtime" |
|
516 | 516 | if os.path.lexists(dest): |
|
517 | 517 | unlink(dest) |
|
518 | 518 | if os.path.islink(src): |
|
519 | 519 | os.symlink(os.readlink(src), dest) |
|
520 | 520 | else: |
|
521 | 521 | try: |
|
522 | 522 | shutil.copyfile(src, dest) |
|
523 | 523 | shutil.copymode(src, dest) |
|
524 | 524 | except shutil.Error, inst: |
|
525 | 525 | raise Abort(str(inst)) |
|
526 | 526 | |
|
527 | 527 | def copyfiles(src, dst, hardlink=None): |
|
528 | 528 | """Copy a directory tree using hardlinks if possible""" |
|
529 | 529 | |
|
530 | 530 | if hardlink is None: |
|
531 | 531 | hardlink = (os.stat(src).st_dev == |
|
532 | 532 | os.stat(os.path.dirname(dst)).st_dev) |
|
533 | 533 | |
|
534 | 534 | num = 0 |
|
535 | 535 | if os.path.isdir(src): |
|
536 | 536 | os.mkdir(dst) |
|
537 | 537 | for name, kind in osutil.listdir(src): |
|
538 | 538 | srcname = os.path.join(src, name) |
|
539 | 539 | dstname = os.path.join(dst, name) |
|
540 | 540 | hardlink, n = copyfiles(srcname, dstname, hardlink) |
|
541 | 541 | num += n |
|
542 | 542 | else: |
|
543 | 543 | if hardlink: |
|
544 | 544 | try: |
|
545 | 545 | oslink(src, dst) |
|
546 | 546 | except (IOError, OSError): |
|
547 | 547 | hardlink = False |
|
548 | 548 | shutil.copy(src, dst) |
|
549 | 549 | else: |
|
550 | 550 | shutil.copy(src, dst) |
|
551 | 551 | num += 1 |
|
552 | 552 | |
|
553 | 553 | return hardlink, num |
|
554 | 554 | |
|
555 | 555 | _winreservednames = '''con prn aux nul |
|
556 | 556 | com1 com2 com3 com4 com5 com6 com7 com8 com9 |
|
557 | 557 | lpt1 lpt2 lpt3 lpt4 lpt5 lpt6 lpt7 lpt8 lpt9'''.split() |
|
558 | 558 | _winreservedchars = ':*?"<>|' |
|
559 | 559 | def checkwinfilename(path): |
|
560 | 560 | '''Check that the base-relative path is a valid filename on Windows. |
|
561 | 561 | Returns None if the path is ok, or a UI string describing the problem. |
|
562 | 562 | |
|
563 | 563 | >>> checkwinfilename("just/a/normal/path") |
|
564 | 564 | >>> checkwinfilename("foo/bar/con.xml") |
|
565 | 565 | "filename contains 'con', which is reserved on Windows" |
|
566 | 566 | >>> checkwinfilename("foo/con.xml/bar") |
|
567 | 567 | "filename contains 'con', which is reserved on Windows" |
|
568 | 568 | >>> checkwinfilename("foo/bar/xml.con") |
|
569 | 569 | >>> checkwinfilename("foo/bar/AUX/bla.txt") |
|
570 | 570 | "filename contains 'AUX', which is reserved on Windows" |
|
571 | 571 | >>> checkwinfilename("foo/bar/bla:.txt") |
|
572 | 572 | "filename contains ':', which is reserved on Windows" |
|
573 | 573 | >>> checkwinfilename("foo/bar/b\07la.txt") |
|
574 | 574 | "filename contains '\\\\x07', which is invalid on Windows" |
|
575 | 575 | >>> checkwinfilename("foo/bar/bla ") |
|
576 | 576 | "filename ends with ' ', which is not allowed on Windows" |
|
577 | 577 | >>> checkwinfilename("../bar") |
|
578 | 578 | ''' |
|
579 | 579 | for n in path.replace('\\', '/').split('/'): |
|
580 | 580 | if not n: |
|
581 | 581 | continue |
|
582 | 582 | for c in n: |
|
583 | 583 | if c in _winreservedchars: |
|
584 | 584 | return _("filename contains '%s', which is reserved " |
|
585 | 585 | "on Windows") % c |
|
586 | 586 | if ord(c) <= 31: |
|
587 | 587 | return _("filename contains %r, which is invalid " |
|
588 | 588 | "on Windows") % c |
|
589 | 589 | base = n.split('.')[0] |
|
590 | 590 | if base and base.lower() in _winreservednames: |
|
591 | 591 | return _("filename contains '%s', which is reserved " |
|
592 | 592 | "on Windows") % base |
|
593 | 593 | t = n[-1] |
|
594 | 594 | if t in '. ' and n not in '..': |
|
595 | 595 | return _("filename ends with '%s', which is not allowed " |
|
596 | 596 | "on Windows") % t |
|
597 | 597 | |
|
598 | 598 | if os.name == 'nt': |
|
599 | 599 | checkosfilename = checkwinfilename |
|
600 | 600 | else: |
|
601 | 601 | checkosfilename = platform.checkosfilename |
|
602 | 602 | |
|
603 | 603 | def makelock(info, pathname): |
|
604 | 604 | try: |
|
605 | 605 | return os.symlink(info, pathname) |
|
606 | 606 | except OSError, why: |
|
607 | 607 | if why.errno == errno.EEXIST: |
|
608 | 608 | raise |
|
609 | 609 | except AttributeError: # no symlink in os |
|
610 | 610 | pass |
|
611 | 611 | |
|
612 | 612 | ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL) |
|
613 | 613 | os.write(ld, info) |
|
614 | 614 | os.close(ld) |
|
615 | 615 | |
|
616 | 616 | def readlock(pathname): |
|
617 | 617 | try: |
|
618 | 618 | return os.readlink(pathname) |
|
619 | 619 | except OSError, why: |
|
620 | 620 | if why.errno not in (errno.EINVAL, errno.ENOSYS): |
|
621 | 621 | raise |
|
622 | 622 | except AttributeError: # no symlink in os |
|
623 | 623 | pass |
|
624 | 624 | fp = posixfile(pathname) |
|
625 | 625 | r = fp.read() |
|
626 | 626 | fp.close() |
|
627 | 627 | return r |
|
628 | 628 | |
|
629 | 629 | def fstat(fp): |
|
630 | 630 | '''stat file object that may not have fileno method.''' |
|
631 | 631 | try: |
|
632 | 632 | return os.fstat(fp.fileno()) |
|
633 | 633 | except AttributeError: |
|
634 | 634 | return os.stat(fp.name) |
|
635 | 635 | |
|
636 | 636 | # File system features |
|
637 | 637 | |
|
638 | 638 | def checkcase(path): |
|
639 | 639 | """ |
|
640 | 640 | Return true if the given path is on a case-sensitive filesystem |
|
641 | 641 | |
|
642 | 642 | Requires a path (like /foo/.hg) ending with a foldable final |
|
643 | 643 | directory component. |
|
644 | 644 | """ |
|
645 | 645 | s1 = os.stat(path) |
|
646 | 646 | d, b = os.path.split(path) |
|
647 | 647 | b2 = b.upper() |
|
648 | 648 | if b == b2: |
|
649 | 649 | b2 = b.lower() |
|
650 | 650 | if b == b2: |
|
651 | 651 | return True # no evidence against case sensitivity |
|
652 | 652 | p2 = os.path.join(d, b2) |
|
653 | 653 | try: |
|
654 | 654 | s2 = os.stat(p2) |
|
655 | 655 | if s2 == s1: |
|
656 | 656 | return False |
|
657 | 657 | return True |
|
658 | 658 | except OSError: |
|
659 | 659 | return True |
|
660 | 660 | |
|
661 | 661 | try: |
|
662 | 662 | import re2 |
|
663 | 663 | _re2 = None |
|
664 | 664 | except ImportError: |
|
665 | 665 | _re2 = False |
|
666 | 666 | |
|
667 | 667 | def compilere(pat, flags=0): |
|
668 | 668 | '''Compile a regular expression, using re2 if possible |
|
669 | 669 | |
|
670 | 670 | For best performance, use only re2-compatible regexp features. The |
|
671 | 671 | only flags from the re module that are re2-compatible are |
|
672 | 672 | IGNORECASE and MULTILINE.''' |
|
673 | 673 | global _re2 |
|
674 | 674 | if _re2 is None: |
|
675 | 675 | try: |
|
676 | 676 | re2.compile |
|
677 | 677 | _re2 = True |
|
678 | 678 | except ImportError: |
|
679 | 679 | _re2 = False |
|
680 | 680 | if _re2 and (flags & ~(re.IGNORECASE | re.MULTILINE)) == 0: |
|
681 | 681 | if flags & re.IGNORECASE: |
|
682 | 682 | pat = '(?i)' + pat |
|
683 | 683 | if flags & re.MULTILINE: |
|
684 | 684 | pat = '(?m)' + pat |
|
685 | 685 | try: |
|
686 | 686 | return re2.compile(pat) |
|
687 | 687 | except re2.error: |
|
688 | 688 | pass |
|
689 | 689 | return re.compile(pat, flags) |
|
690 | 690 | |
|
691 | 691 | _fspathcache = {} |
|
692 | 692 | def fspath(name, root): |
|
693 | 693 | '''Get name in the case stored in the filesystem |
|
694 | 694 | |
|
695 | 695 | The name should be relative to root, and be normcase-ed for efficiency. |
|
696 | 696 | |
|
697 | 697 | Note that this function is unnecessary, and should not be |
|
698 | 698 | called, for case-sensitive filesystems (simply because it's expensive). |
|
699 | 699 | |
|
700 | 700 | The root should be normcase-ed, too. |
|
701 | 701 | ''' |
|
702 | 702 | def find(p, contents): |
|
703 | 703 | for n in contents: |
|
704 | 704 | if normcase(n) == p: |
|
705 | 705 | return n |
|
706 | 706 | return None |
|
707 | 707 | |
|
708 | 708 | seps = os.sep |
|
709 | 709 | if os.altsep: |
|
710 | 710 | seps = seps + os.altsep |
|
711 | 711 | # Protect backslashes. This gets silly very quickly. |
|
712 | 712 | seps.replace('\\','\\\\') |
|
713 | 713 | pattern = re.compile(r'([^%s]+)|([%s]+)' % (seps, seps)) |
|
714 | 714 | dir = os.path.normpath(root) |
|
715 | 715 | result = [] |
|
716 | 716 | for part, sep in pattern.findall(name): |
|
717 | 717 | if sep: |
|
718 | 718 | result.append(sep) |
|
719 | 719 | continue |
|
720 | 720 | |
|
721 | 721 | if dir not in _fspathcache: |
|
722 | 722 | _fspathcache[dir] = os.listdir(dir) |
|
723 | 723 | contents = _fspathcache[dir] |
|
724 | 724 | |
|
725 | 725 | found = find(part, contents) |
|
726 | 726 | if not found: |
|
727 | 727 | # retry "once per directory" per "dirstate.walk" which |
|
728 | 728 | # may take place for each patches of "hg qpush", for example |
|
729 | 729 | contents = os.listdir(dir) |
|
730 | 730 | _fspathcache[dir] = contents |
|
731 | 731 | found = find(part, contents) |
|
732 | 732 | |
|
733 | 733 | result.append(found or part) |
|
734 | 734 | dir = os.path.join(dir, part) |
|
735 | 735 | |
|
736 | 736 | return ''.join(result) |
|
737 | 737 | |
|
738 | 738 | def checknlink(testfile): |
|
739 | 739 | '''check whether hardlink count reporting works properly''' |
|
740 | 740 | |
|
741 | 741 | # testfile may be open, so we need a separate file for checking to |
|
742 | 742 | # work around issue2543 (or testfile may get lost on Samba shares) |
|
743 | 743 | f1 = testfile + ".hgtmp1" |
|
744 | 744 | if os.path.lexists(f1): |
|
745 | 745 | return False |
|
746 | 746 | try: |
|
747 | 747 | posixfile(f1, 'w').close() |
|
748 | 748 | except IOError: |
|
749 | 749 | return False |
|
750 | 750 | |
|
751 | 751 | f2 = testfile + ".hgtmp2" |
|
752 | 752 | fd = None |
|
753 | 753 | try: |
|
754 | 754 | try: |
|
755 | 755 | oslink(f1, f2) |
|
756 | 756 | except OSError: |
|
757 | 757 | return False |
|
758 | 758 | |
|
759 | 759 | # nlinks() may behave differently for files on Windows shares if |
|
760 | 760 | # the file is open. |
|
761 | 761 | fd = posixfile(f2) |
|
762 | 762 | return nlinks(f2) > 1 |
|
763 | 763 | finally: |
|
764 | 764 | if fd is not None: |
|
765 | 765 | fd.close() |
|
766 | 766 | for f in (f1, f2): |
|
767 | 767 | try: |
|
768 | 768 | os.unlink(f) |
|
769 | 769 | except OSError: |
|
770 | 770 | pass |
|
771 | 771 | |
|
772 | 772 | def endswithsep(path): |
|
773 | 773 | '''Check path ends with os.sep or os.altsep.''' |
|
774 | 774 | return path.endswith(os.sep) or os.altsep and path.endswith(os.altsep) |
|
775 | 775 | |
|
776 | 776 | def splitpath(path): |
|
777 | 777 | '''Split path by os.sep. |
|
778 | 778 | Note that this function does not use os.altsep because this is |
|
779 | 779 | an alternative of simple "xxx.split(os.sep)". |
|
780 | 780 | It is recommended to use os.path.normpath() before using this |
|
781 | 781 | function if need.''' |
|
782 | 782 | return path.split(os.sep) |
|
783 | 783 | |
|
784 | 784 | def gui(): |
|
785 | 785 | '''Are we running in a GUI?''' |
|
786 | 786 | if sys.platform == 'darwin': |
|
787 | 787 | if 'SSH_CONNECTION' in os.environ: |
|
788 | 788 | # handle SSH access to a box where the user is logged in |
|
789 | 789 | return False |
|
790 | 790 | elif getattr(osutil, 'isgui', None): |
|
791 | 791 | # check if a CoreGraphics session is available |
|
792 | 792 | return osutil.isgui() |
|
793 | 793 | else: |
|
794 | 794 | # pure build; use a safe default |
|
795 | 795 | return True |
|
796 | 796 | else: |
|
797 | 797 | return os.name == "nt" or os.environ.get("DISPLAY") |
|
798 | 798 | |
|
799 | 799 | def mktempcopy(name, emptyok=False, createmode=None): |
|
800 | 800 | """Create a temporary file with the same contents from name |
|
801 | 801 | |
|
802 | 802 | The permission bits are copied from the original file. |
|
803 | 803 | |
|
804 | 804 | If the temporary file is going to be truncated immediately, you |
|
805 | 805 | can use emptyok=True as an optimization. |
|
806 | 806 | |
|
807 | 807 | Returns the name of the temporary file. |
|
808 | 808 | """ |
|
809 | 809 | d, fn = os.path.split(name) |
|
810 | 810 | fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d) |
|
811 | 811 | os.close(fd) |
|
812 | 812 | # Temporary files are created with mode 0600, which is usually not |
|
813 | 813 | # what we want. If the original file already exists, just copy |
|
814 | 814 | # its mode. Otherwise, manually obey umask. |
|
815 | 815 | copymode(name, temp, createmode) |
|
816 | 816 | if emptyok: |
|
817 | 817 | return temp |
|
818 | 818 | try: |
|
819 | 819 | try: |
|
820 | 820 | ifp = posixfile(name, "rb") |
|
821 | 821 | except IOError, inst: |
|
822 | 822 | if inst.errno == errno.ENOENT: |
|
823 | 823 | return temp |
|
824 | 824 | if not getattr(inst, 'filename', None): |
|
825 | 825 | inst.filename = name |
|
826 | 826 | raise |
|
827 | 827 | ofp = posixfile(temp, "wb") |
|
828 | 828 | for chunk in filechunkiter(ifp): |
|
829 | 829 | ofp.write(chunk) |
|
830 | 830 | ifp.close() |
|
831 | 831 | ofp.close() |
|
832 | 832 | except: # re-raises |
|
833 | 833 | try: os.unlink(temp) |
|
834 | 834 | except OSError: pass |
|
835 | 835 | raise |
|
836 | 836 | return temp |
|
837 | 837 | |
|
838 | 838 | class atomictempfile(object): |
|
839 | 839 | '''writable file object that atomically updates a file |
|
840 | 840 | |
|
841 | 841 | All writes will go to a temporary copy of the original file. Call |
|
842 | 842 | close() when you are done writing, and atomictempfile will rename |
|
843 | 843 | the temporary copy to the original name, making the changes |
|
844 | 844 | visible. If the object is destroyed without being closed, all your |
|
845 | 845 | writes are discarded. |
|
846 | 846 | ''' |
|
847 | 847 | def __init__(self, name, mode='w+b', createmode=None): |
|
848 | 848 | self.__name = name # permanent name |
|
849 | 849 | self._tempname = mktempcopy(name, emptyok=('w' in mode), |
|
850 | 850 | createmode=createmode) |
|
851 | 851 | self._fp = posixfile(self._tempname, mode) |
|
852 | 852 | |
|
853 | 853 | # delegated methods |
|
854 | 854 | self.write = self._fp.write |
|
855 | 855 | self.seek = self._fp.seek |
|
856 | 856 | self.tell = self._fp.tell |
|
857 | 857 | self.fileno = self._fp.fileno |
|
858 | 858 | |
|
859 | 859 | def close(self): |
|
860 | 860 | if not self._fp.closed: |
|
861 | 861 | self._fp.close() |
|
862 | 862 | rename(self._tempname, localpath(self.__name)) |
|
863 | 863 | |
|
864 | 864 | def discard(self): |
|
865 | 865 | if not self._fp.closed: |
|
866 | 866 | try: |
|
867 | 867 | os.unlink(self._tempname) |
|
868 | 868 | except OSError: |
|
869 | 869 | pass |
|
870 | 870 | self._fp.close() |
|
871 | 871 | |
|
872 | 872 | def __del__(self): |
|
873 | 873 | if safehasattr(self, '_fp'): # constructor actually did something |
|
874 | 874 | self.discard() |
|
875 | 875 | |
|
876 | 876 | def makedirs(name, mode=None, notindexed=False): |
|
877 | 877 | """recursive directory creation with parent mode inheritance""" |
|
878 | 878 | try: |
|
879 | 879 | makedir(name, notindexed) |
|
880 | 880 | except OSError, err: |
|
881 | 881 | if err.errno == errno.EEXIST: |
|
882 | 882 | return |
|
883 | 883 | if err.errno != errno.ENOENT or not name: |
|
884 | 884 | raise |
|
885 | 885 | parent = os.path.dirname(os.path.abspath(name)) |
|
886 | 886 | if parent == name: |
|
887 | 887 | raise |
|
888 | 888 | makedirs(parent, mode, notindexed) |
|
889 | 889 | makedir(name, notindexed) |
|
890 | 890 | if mode is not None: |
|
891 | 891 | os.chmod(name, mode) |
|
892 | 892 | |
|
893 | 893 | def ensuredirs(name, mode=None): |
|
894 | 894 | """race-safe recursive directory creation""" |
|
895 | 895 | if os.path.isdir(name): |
|
896 | 896 | return |
|
897 | 897 | parent = os.path.dirname(os.path.abspath(name)) |
|
898 | 898 | if parent != name: |
|
899 | 899 | ensuredirs(parent, mode) |
|
900 | 900 | try: |
|
901 | 901 | os.mkdir(name) |
|
902 | 902 | except OSError, err: |
|
903 | 903 | if err.errno == errno.EEXIST and os.path.isdir(name): |
|
904 | 904 | # someone else seems to have won a directory creation race |
|
905 | 905 | return |
|
906 | 906 | raise |
|
907 | 907 | if mode is not None: |
|
908 | 908 | os.chmod(name, mode) |
|
909 | 909 | |
|
910 | 910 | def readfile(path): |
|
911 | 911 | fp = open(path, 'rb') |
|
912 | 912 | try: |
|
913 | 913 | return fp.read() |
|
914 | 914 | finally: |
|
915 | 915 | fp.close() |
|
916 | 916 | |
|
917 | 917 | def writefile(path, text): |
|
918 | 918 | fp = open(path, 'wb') |
|
919 | 919 | try: |
|
920 | 920 | fp.write(text) |
|
921 | 921 | finally: |
|
922 | 922 | fp.close() |
|
923 | 923 | |
|
924 | 924 | def appendfile(path, text): |
|
925 | 925 | fp = open(path, 'ab') |
|
926 | 926 | try: |
|
927 | 927 | fp.write(text) |
|
928 | 928 | finally: |
|
929 | 929 | fp.close() |
|
930 | 930 | |
|
931 | 931 | class chunkbuffer(object): |
|
932 | 932 | """Allow arbitrary sized chunks of data to be efficiently read from an |
|
933 | 933 | iterator over chunks of arbitrary size.""" |
|
934 | 934 | |
|
935 | 935 | def __init__(self, in_iter): |
|
936 | 936 | """in_iter is the iterator that's iterating over the input chunks. |
|
937 | 937 | targetsize is how big a buffer to try to maintain.""" |
|
938 | 938 | def splitbig(chunks): |
|
939 | 939 | for chunk in chunks: |
|
940 | 940 | if len(chunk) > 2**20: |
|
941 | 941 | pos = 0 |
|
942 | 942 | while pos < len(chunk): |
|
943 | 943 | end = pos + 2 ** 18 |
|
944 | 944 | yield chunk[pos:end] |
|
945 | 945 | pos = end |
|
946 | 946 | else: |
|
947 | 947 | yield chunk |
|
948 | 948 | self.iter = splitbig(in_iter) |
|
949 | 949 | self._queue = deque() |
|
950 | 950 | |
|
951 | 951 | def read(self, l): |
|
952 | 952 | """Read L bytes of data from the iterator of chunks of data. |
|
953 | 953 | Returns less than L bytes if the iterator runs dry.""" |
|
954 | 954 | left = l |
|
955 | 955 | buf = [] |
|
956 | 956 | queue = self._queue |
|
957 | 957 | while left > 0: |
|
958 | 958 | # refill the queue |
|
959 | 959 | if not queue: |
|
960 | 960 | target = 2**18 |
|
961 | 961 | for chunk in self.iter: |
|
962 | 962 | queue.append(chunk) |
|
963 | 963 | target -= len(chunk) |
|
964 | 964 | if target <= 0: |
|
965 | 965 | break |
|
966 | 966 | if not queue: |
|
967 | 967 | break |
|
968 | 968 | |
|
969 | 969 | chunk = queue.popleft() |
|
970 | 970 | left -= len(chunk) |
|
971 | 971 | if left < 0: |
|
972 | 972 | queue.appendleft(chunk[left:]) |
|
973 | 973 | buf.append(chunk[:left]) |
|
974 | 974 | else: |
|
975 | 975 | buf.append(chunk) |
|
976 | 976 | |
|
977 | 977 | return ''.join(buf) |
|
978 | 978 | |
|
979 | 979 | def filechunkiter(f, size=65536, limit=None): |
|
980 | 980 | """Create a generator that produces the data in the file size |
|
981 | 981 | (default 65536) bytes at a time, up to optional limit (default is |
|
982 | 982 | to read all data). Chunks may be less than size bytes if the |
|
983 | 983 | chunk is the last chunk in the file, or the file is a socket or |
|
984 | 984 | some other type of file that sometimes reads less data than is |
|
985 | 985 | requested.""" |
|
986 | 986 | assert size >= 0 |
|
987 | 987 | assert limit is None or limit >= 0 |
|
988 | 988 | while True: |
|
989 | 989 | if limit is None: |
|
990 | 990 | nbytes = size |
|
991 | 991 | else: |
|
992 | 992 | nbytes = min(limit, size) |
|
993 | 993 | s = nbytes and f.read(nbytes) |
|
994 | 994 | if not s: |
|
995 | 995 | break |
|
996 | 996 | if limit: |
|
997 | 997 | limit -= len(s) |
|
998 | 998 | yield s |
|
999 | 999 | |
|
1000 | def makedate(): | |
|
1001 |
'''Return the current time as a (unixtime, |
|
|
1002 | the local timezone.''' | |
|
1000 | def makedate(timestamp=None): | |
|
1001 | '''Return a unix timestamp (or the current time) as a (unixtime, | |
|
1002 | offset) tuple based off the local timezone.''' | |
|
1003 | if timestamp is None: | |
|
1003 | 1004 | timestamp = time.time() |
|
1004 | 1005 | if timestamp < 0: |
|
1005 | 1006 | hint = _("check your clock") |
|
1006 | 1007 | raise Abort(_("negative timestamp: %d") % timestamp, hint=hint) |
|
1007 | 1008 | delta = (datetime.datetime.utcfromtimestamp(timestamp) - |
|
1008 | 1009 | datetime.datetime.fromtimestamp(timestamp)) |
|
1009 | 1010 | tz = delta.days * 86400 + delta.seconds |
|
1010 | 1011 | return timestamp, tz |
|
1011 | 1012 | |
|
1012 | 1013 | def datestr(date=None, format='%a %b %d %H:%M:%S %Y %1%2'): |
|
1013 | 1014 | """represent a (unixtime, offset) tuple as a localized time. |
|
1014 | 1015 | unixtime is seconds since the epoch, and offset is the time zone's |
|
1015 | 1016 | number of seconds away from UTC. if timezone is false, do not |
|
1016 | 1017 | append time zone to string.""" |
|
1017 | 1018 | t, tz = date or makedate() |
|
1018 | 1019 | if t < 0: |
|
1019 | 1020 | t = 0 # time.gmtime(lt) fails on Windows for lt < -43200 |
|
1020 | 1021 | tz = 0 |
|
1021 | 1022 | if "%1" in format or "%2" in format: |
|
1022 | 1023 | sign = (tz > 0) and "-" or "+" |
|
1023 | 1024 | minutes = abs(tz) // 60 |
|
1024 | 1025 | format = format.replace("%1", "%c%02d" % (sign, minutes // 60)) |
|
1025 | 1026 | format = format.replace("%2", "%02d" % (minutes % 60)) |
|
1026 | 1027 | try: |
|
1027 | 1028 | t = time.gmtime(float(t) - tz) |
|
1028 | 1029 | except ValueError: |
|
1029 | 1030 | # time was out of range |
|
1030 | 1031 | t = time.gmtime(sys.maxint) |
|
1031 | 1032 | s = time.strftime(format, t) |
|
1032 | 1033 | return s |
|
1033 | 1034 | |
|
1034 | 1035 | def shortdate(date=None): |
|
1035 | 1036 | """turn (timestamp, tzoff) tuple into iso 8631 date.""" |
|
1036 | 1037 | return datestr(date, format='%Y-%m-%d') |
|
1037 | 1038 | |
|
1038 | 1039 | def strdate(string, format, defaults=[]): |
|
1039 | 1040 | """parse a localized time string and return a (unixtime, offset) tuple. |
|
1040 | 1041 | if the string cannot be parsed, ValueError is raised.""" |
|
1041 | 1042 | def timezone(string): |
|
1042 | 1043 | tz = string.split()[-1] |
|
1043 | 1044 | if tz[0] in "+-" and len(tz) == 5 and tz[1:].isdigit(): |
|
1044 | 1045 | sign = (tz[0] == "+") and 1 or -1 |
|
1045 | 1046 | hours = int(tz[1:3]) |
|
1046 | 1047 | minutes = int(tz[3:5]) |
|
1047 | 1048 | return -sign * (hours * 60 + minutes) * 60 |
|
1048 | 1049 | if tz == "GMT" or tz == "UTC": |
|
1049 | 1050 | return 0 |
|
1050 | 1051 | return None |
|
1051 | 1052 | |
|
1052 | 1053 | # NOTE: unixtime = localunixtime + offset |
|
1053 | 1054 | offset, date = timezone(string), string |
|
1054 | 1055 | if offset is not None: |
|
1055 | 1056 | date = " ".join(string.split()[:-1]) |
|
1056 | 1057 | |
|
1057 | 1058 | # add missing elements from defaults |
|
1058 | 1059 | usenow = False # default to using biased defaults |
|
1059 | 1060 | for part in ("S", "M", "HI", "d", "mb", "yY"): # decreasing specificity |
|
1060 | 1061 | found = [True for p in part if ("%"+p) in format] |
|
1061 | 1062 | if not found: |
|
1062 | 1063 | date += "@" + defaults[part][usenow] |
|
1063 | 1064 | format += "@%" + part[0] |
|
1064 | 1065 | else: |
|
1065 | 1066 | # We've found a specific time element, less specific time |
|
1066 | 1067 | # elements are relative to today |
|
1067 | 1068 | usenow = True |
|
1068 | 1069 | |
|
1069 | 1070 | timetuple = time.strptime(date, format) |
|
1070 | 1071 | localunixtime = int(calendar.timegm(timetuple)) |
|
1071 | 1072 | if offset is None: |
|
1072 | 1073 | # local timezone |
|
1073 | 1074 | unixtime = int(time.mktime(timetuple)) |
|
1074 | 1075 | offset = unixtime - localunixtime |
|
1075 | 1076 | else: |
|
1076 | 1077 | unixtime = localunixtime + offset |
|
1077 | 1078 | return unixtime, offset |
|
1078 | 1079 | |
|
1079 | 1080 | def parsedate(date, formats=None, bias={}): |
|
1080 | 1081 | """parse a localized date/time and return a (unixtime, offset) tuple. |
|
1081 | 1082 | |
|
1082 | 1083 | The date may be a "unixtime offset" string or in one of the specified |
|
1083 | 1084 | formats. If the date already is a (unixtime, offset) tuple, it is returned. |
|
1084 | 1085 | |
|
1085 | 1086 | >>> parsedate(' today ') == parsedate(\ |
|
1086 | 1087 | datetime.date.today().strftime('%b %d')) |
|
1087 | 1088 | True |
|
1088 | 1089 | >>> parsedate( 'yesterday ') == parsedate((datetime.date.today() -\ |
|
1089 | 1090 | datetime.timedelta(days=1)\ |
|
1090 | 1091 | ).strftime('%b %d')) |
|
1091 | 1092 | True |
|
1092 | 1093 | >>> now, tz = makedate() |
|
1093 | 1094 | >>> strnow, strtz = parsedate('now') |
|
1094 | 1095 | >>> (strnow - now) < 1 |
|
1095 | 1096 | True |
|
1096 | 1097 | >>> tz == strtz |
|
1097 | 1098 | True |
|
1098 | 1099 | """ |
|
1099 | 1100 | if not date: |
|
1100 | 1101 | return 0, 0 |
|
1101 | 1102 | if isinstance(date, tuple) and len(date) == 2: |
|
1102 | 1103 | return date |
|
1103 | 1104 | if not formats: |
|
1104 | 1105 | formats = defaultdateformats |
|
1105 | 1106 | date = date.strip() |
|
1106 | 1107 | |
|
1107 | 1108 | if date == _('now'): |
|
1108 | 1109 | return makedate() |
|
1109 | 1110 | if date == _('today'): |
|
1110 | 1111 | date = datetime.date.today().strftime('%b %d') |
|
1111 | 1112 | elif date == _('yesterday'): |
|
1112 | 1113 | date = (datetime.date.today() - |
|
1113 | 1114 | datetime.timedelta(days=1)).strftime('%b %d') |
|
1114 | 1115 | |
|
1115 | 1116 | try: |
|
1116 | 1117 | when, offset = map(int, date.split(' ')) |
|
1117 | 1118 | except ValueError: |
|
1118 | 1119 | # fill out defaults |
|
1119 | 1120 | now = makedate() |
|
1120 | 1121 | defaults = {} |
|
1121 | 1122 | for part in ("d", "mb", "yY", "HI", "M", "S"): |
|
1122 | 1123 | # this piece is for rounding the specific end of unknowns |
|
1123 | 1124 | b = bias.get(part) |
|
1124 | 1125 | if b is None: |
|
1125 | 1126 | if part[0] in "HMS": |
|
1126 | 1127 | b = "00" |
|
1127 | 1128 | else: |
|
1128 | 1129 | b = "0" |
|
1129 | 1130 | |
|
1130 | 1131 | # this piece is for matching the generic end to today's date |
|
1131 | 1132 | n = datestr(now, "%" + part[0]) |
|
1132 | 1133 | |
|
1133 | 1134 | defaults[part] = (b, n) |
|
1134 | 1135 | |
|
1135 | 1136 | for format in formats: |
|
1136 | 1137 | try: |
|
1137 | 1138 | when, offset = strdate(date, format, defaults) |
|
1138 | 1139 | except (ValueError, OverflowError): |
|
1139 | 1140 | pass |
|
1140 | 1141 | else: |
|
1141 | 1142 | break |
|
1142 | 1143 | else: |
|
1143 | 1144 | raise Abort(_('invalid date: %r') % date) |
|
1144 | 1145 | # validate explicit (probably user-specified) date and |
|
1145 | 1146 | # time zone offset. values must fit in signed 32 bits for |
|
1146 | 1147 | # current 32-bit linux runtimes. timezones go from UTC-12 |
|
1147 | 1148 | # to UTC+14 |
|
1148 | 1149 | if abs(when) > 0x7fffffff: |
|
1149 | 1150 | raise Abort(_('date exceeds 32 bits: %d') % when) |
|
1150 | 1151 | if when < 0: |
|
1151 | 1152 | raise Abort(_('negative date value: %d') % when) |
|
1152 | 1153 | if offset < -50400 or offset > 43200: |
|
1153 | 1154 | raise Abort(_('impossible time zone offset: %d') % offset) |
|
1154 | 1155 | return when, offset |
|
1155 | 1156 | |
|
1156 | 1157 | def matchdate(date): |
|
1157 | 1158 | """Return a function that matches a given date match specifier |
|
1158 | 1159 | |
|
1159 | 1160 | Formats include: |
|
1160 | 1161 | |
|
1161 | 1162 | '{date}' match a given date to the accuracy provided |
|
1162 | 1163 | |
|
1163 | 1164 | '<{date}' on or before a given date |
|
1164 | 1165 | |
|
1165 | 1166 | '>{date}' on or after a given date |
|
1166 | 1167 | |
|
1167 | 1168 | >>> p1 = parsedate("10:29:59") |
|
1168 | 1169 | >>> p2 = parsedate("10:30:00") |
|
1169 | 1170 | >>> p3 = parsedate("10:30:59") |
|
1170 | 1171 | >>> p4 = parsedate("10:31:00") |
|
1171 | 1172 | >>> p5 = parsedate("Sep 15 10:30:00 1999") |
|
1172 | 1173 | >>> f = matchdate("10:30") |
|
1173 | 1174 | >>> f(p1[0]) |
|
1174 | 1175 | False |
|
1175 | 1176 | >>> f(p2[0]) |
|
1176 | 1177 | True |
|
1177 | 1178 | >>> f(p3[0]) |
|
1178 | 1179 | True |
|
1179 | 1180 | >>> f(p4[0]) |
|
1180 | 1181 | False |
|
1181 | 1182 | >>> f(p5[0]) |
|
1182 | 1183 | False |
|
1183 | 1184 | """ |
|
1184 | 1185 | |
|
1185 | 1186 | def lower(date): |
|
1186 | 1187 | d = dict(mb="1", d="1") |
|
1187 | 1188 | return parsedate(date, extendeddateformats, d)[0] |
|
1188 | 1189 | |
|
1189 | 1190 | def upper(date): |
|
1190 | 1191 | d = dict(mb="12", HI="23", M="59", S="59") |
|
1191 | 1192 | for days in ("31", "30", "29"): |
|
1192 | 1193 | try: |
|
1193 | 1194 | d["d"] = days |
|
1194 | 1195 | return parsedate(date, extendeddateformats, d)[0] |
|
1195 | 1196 | except Abort: |
|
1196 | 1197 | pass |
|
1197 | 1198 | d["d"] = "28" |
|
1198 | 1199 | return parsedate(date, extendeddateformats, d)[0] |
|
1199 | 1200 | |
|
1200 | 1201 | date = date.strip() |
|
1201 | 1202 | |
|
1202 | 1203 | if not date: |
|
1203 | 1204 | raise Abort(_("dates cannot consist entirely of whitespace")) |
|
1204 | 1205 | elif date[0] == "<": |
|
1205 | 1206 | if not date[1:]: |
|
1206 | 1207 | raise Abort(_("invalid day spec, use '<DATE'")) |
|
1207 | 1208 | when = upper(date[1:]) |
|
1208 | 1209 | return lambda x: x <= when |
|
1209 | 1210 | elif date[0] == ">": |
|
1210 | 1211 | if not date[1:]: |
|
1211 | 1212 | raise Abort(_("invalid day spec, use '>DATE'")) |
|
1212 | 1213 | when = lower(date[1:]) |
|
1213 | 1214 | return lambda x: x >= when |
|
1214 | 1215 | elif date[0] == "-": |
|
1215 | 1216 | try: |
|
1216 | 1217 | days = int(date[1:]) |
|
1217 | 1218 | except ValueError: |
|
1218 | 1219 | raise Abort(_("invalid day spec: %s") % date[1:]) |
|
1219 | 1220 | if days < 0: |
|
1220 | 1221 | raise Abort(_("%s must be nonnegative (see 'hg help dates')") |
|
1221 | 1222 | % date[1:]) |
|
1222 | 1223 | when = makedate()[0] - days * 3600 * 24 |
|
1223 | 1224 | return lambda x: x >= when |
|
1224 | 1225 | elif " to " in date: |
|
1225 | 1226 | a, b = date.split(" to ") |
|
1226 | 1227 | start, stop = lower(a), upper(b) |
|
1227 | 1228 | return lambda x: x >= start and x <= stop |
|
1228 | 1229 | else: |
|
1229 | 1230 | start, stop = lower(date), upper(date) |
|
1230 | 1231 | return lambda x: x >= start and x <= stop |
|
1231 | 1232 | |
|
1232 | 1233 | def shortuser(user): |
|
1233 | 1234 | """Return a short representation of a user name or email address.""" |
|
1234 | 1235 | f = user.find('@') |
|
1235 | 1236 | if f >= 0: |
|
1236 | 1237 | user = user[:f] |
|
1237 | 1238 | f = user.find('<') |
|
1238 | 1239 | if f >= 0: |
|
1239 | 1240 | user = user[f + 1:] |
|
1240 | 1241 | f = user.find(' ') |
|
1241 | 1242 | if f >= 0: |
|
1242 | 1243 | user = user[:f] |
|
1243 | 1244 | f = user.find('.') |
|
1244 | 1245 | if f >= 0: |
|
1245 | 1246 | user = user[:f] |
|
1246 | 1247 | return user |
|
1247 | 1248 | |
|
1248 | 1249 | def emailuser(user): |
|
1249 | 1250 | """Return the user portion of an email address.""" |
|
1250 | 1251 | f = user.find('@') |
|
1251 | 1252 | if f >= 0: |
|
1252 | 1253 | user = user[:f] |
|
1253 | 1254 | f = user.find('<') |
|
1254 | 1255 | if f >= 0: |
|
1255 | 1256 | user = user[f + 1:] |
|
1256 | 1257 | return user |
|
1257 | 1258 | |
|
1258 | 1259 | def email(author): |
|
1259 | 1260 | '''get email of author.''' |
|
1260 | 1261 | r = author.find('>') |
|
1261 | 1262 | if r == -1: |
|
1262 | 1263 | r = None |
|
1263 | 1264 | return author[author.find('<') + 1:r] |
|
1264 | 1265 | |
|
1265 | 1266 | def _ellipsis(text, maxlength): |
|
1266 | 1267 | if len(text) <= maxlength: |
|
1267 | 1268 | return text, False |
|
1268 | 1269 | else: |
|
1269 | 1270 | return "%s..." % (text[:maxlength - 3]), True |
|
1270 | 1271 | |
|
1271 | 1272 | def ellipsis(text, maxlength=400): |
|
1272 | 1273 | """Trim string to at most maxlength (default: 400) characters.""" |
|
1273 | 1274 | try: |
|
1274 | 1275 | # use unicode not to split at intermediate multi-byte sequence |
|
1275 | 1276 | utext, truncated = _ellipsis(text.decode(encoding.encoding), |
|
1276 | 1277 | maxlength) |
|
1277 | 1278 | if not truncated: |
|
1278 | 1279 | return text |
|
1279 | 1280 | return utext.encode(encoding.encoding) |
|
1280 | 1281 | except (UnicodeDecodeError, UnicodeEncodeError): |
|
1281 | 1282 | return _ellipsis(text, maxlength)[0] |
|
1282 | 1283 | |
|
1283 | 1284 | def unitcountfn(*unittable): |
|
1284 | 1285 | '''return a function that renders a readable count of some quantity''' |
|
1285 | 1286 | |
|
1286 | 1287 | def go(count): |
|
1287 | 1288 | for multiplier, divisor, format in unittable: |
|
1288 | 1289 | if count >= divisor * multiplier: |
|
1289 | 1290 | return format % (count / float(divisor)) |
|
1290 | 1291 | return unittable[-1][2] % count |
|
1291 | 1292 | |
|
1292 | 1293 | return go |
|
1293 | 1294 | |
|
1294 | 1295 | bytecount = unitcountfn( |
|
1295 | 1296 | (100, 1 << 30, _('%.0f GB')), |
|
1296 | 1297 | (10, 1 << 30, _('%.1f GB')), |
|
1297 | 1298 | (1, 1 << 30, _('%.2f GB')), |
|
1298 | 1299 | (100, 1 << 20, _('%.0f MB')), |
|
1299 | 1300 | (10, 1 << 20, _('%.1f MB')), |
|
1300 | 1301 | (1, 1 << 20, _('%.2f MB')), |
|
1301 | 1302 | (100, 1 << 10, _('%.0f KB')), |
|
1302 | 1303 | (10, 1 << 10, _('%.1f KB')), |
|
1303 | 1304 | (1, 1 << 10, _('%.2f KB')), |
|
1304 | 1305 | (1, 1, _('%.0f bytes')), |
|
1305 | 1306 | ) |
|
1306 | 1307 | |
|
1307 | 1308 | def uirepr(s): |
|
1308 | 1309 | # Avoid double backslash in Windows path repr() |
|
1309 | 1310 | return repr(s).replace('\\\\', '\\') |
|
1310 | 1311 | |
|
1311 | 1312 | # delay import of textwrap |
|
1312 | 1313 | def MBTextWrapper(**kwargs): |
|
1313 | 1314 | class tw(textwrap.TextWrapper): |
|
1314 | 1315 | """ |
|
1315 | 1316 | Extend TextWrapper for width-awareness. |
|
1316 | 1317 | |
|
1317 | 1318 | Neither number of 'bytes' in any encoding nor 'characters' is |
|
1318 | 1319 | appropriate to calculate terminal columns for specified string. |
|
1319 | 1320 | |
|
1320 | 1321 | Original TextWrapper implementation uses built-in 'len()' directly, |
|
1321 | 1322 | so overriding is needed to use width information of each characters. |
|
1322 | 1323 | |
|
1323 | 1324 | In addition, characters classified into 'ambiguous' width are |
|
1324 | 1325 | treated as wide in East Asian area, but as narrow in other. |
|
1325 | 1326 | |
|
1326 | 1327 | This requires use decision to determine width of such characters. |
|
1327 | 1328 | """ |
|
1328 | 1329 | def __init__(self, **kwargs): |
|
1329 | 1330 | textwrap.TextWrapper.__init__(self, **kwargs) |
|
1330 | 1331 | |
|
1331 | 1332 | # for compatibility between 2.4 and 2.6 |
|
1332 | 1333 | if getattr(self, 'drop_whitespace', None) is None: |
|
1333 | 1334 | self.drop_whitespace = kwargs.get('drop_whitespace', True) |
|
1334 | 1335 | |
|
1335 | 1336 | def _cutdown(self, ucstr, space_left): |
|
1336 | 1337 | l = 0 |
|
1337 | 1338 | colwidth = encoding.ucolwidth |
|
1338 | 1339 | for i in xrange(len(ucstr)): |
|
1339 | 1340 | l += colwidth(ucstr[i]) |
|
1340 | 1341 | if space_left < l: |
|
1341 | 1342 | return (ucstr[:i], ucstr[i:]) |
|
1342 | 1343 | return ucstr, '' |
|
1343 | 1344 | |
|
1344 | 1345 | # overriding of base class |
|
1345 | 1346 | def _handle_long_word(self, reversed_chunks, cur_line, cur_len, width): |
|
1346 | 1347 | space_left = max(width - cur_len, 1) |
|
1347 | 1348 | |
|
1348 | 1349 | if self.break_long_words: |
|
1349 | 1350 | cut, res = self._cutdown(reversed_chunks[-1], space_left) |
|
1350 | 1351 | cur_line.append(cut) |
|
1351 | 1352 | reversed_chunks[-1] = res |
|
1352 | 1353 | elif not cur_line: |
|
1353 | 1354 | cur_line.append(reversed_chunks.pop()) |
|
1354 | 1355 | |
|
1355 | 1356 | # this overriding code is imported from TextWrapper of python 2.6 |
|
1356 | 1357 | # to calculate columns of string by 'encoding.ucolwidth()' |
|
1357 | 1358 | def _wrap_chunks(self, chunks): |
|
1358 | 1359 | colwidth = encoding.ucolwidth |
|
1359 | 1360 | |
|
1360 | 1361 | lines = [] |
|
1361 | 1362 | if self.width <= 0: |
|
1362 | 1363 | raise ValueError("invalid width %r (must be > 0)" % self.width) |
|
1363 | 1364 | |
|
1364 | 1365 | # Arrange in reverse order so items can be efficiently popped |
|
1365 | 1366 | # from a stack of chucks. |
|
1366 | 1367 | chunks.reverse() |
|
1367 | 1368 | |
|
1368 | 1369 | while chunks: |
|
1369 | 1370 | |
|
1370 | 1371 | # Start the list of chunks that will make up the current line. |
|
1371 | 1372 | # cur_len is just the length of all the chunks in cur_line. |
|
1372 | 1373 | cur_line = [] |
|
1373 | 1374 | cur_len = 0 |
|
1374 | 1375 | |
|
1375 | 1376 | # Figure out which static string will prefix this line. |
|
1376 | 1377 | if lines: |
|
1377 | 1378 | indent = self.subsequent_indent |
|
1378 | 1379 | else: |
|
1379 | 1380 | indent = self.initial_indent |
|
1380 | 1381 | |
|
1381 | 1382 | # Maximum width for this line. |
|
1382 | 1383 | width = self.width - len(indent) |
|
1383 | 1384 | |
|
1384 | 1385 | # First chunk on line is whitespace -- drop it, unless this |
|
1385 | 1386 | # is the very beginning of the text (i.e. no lines started yet). |
|
1386 | 1387 | if self.drop_whitespace and chunks[-1].strip() == '' and lines: |
|
1387 | 1388 | del chunks[-1] |
|
1388 | 1389 | |
|
1389 | 1390 | while chunks: |
|
1390 | 1391 | l = colwidth(chunks[-1]) |
|
1391 | 1392 | |
|
1392 | 1393 | # Can at least squeeze this chunk onto the current line. |
|
1393 | 1394 | if cur_len + l <= width: |
|
1394 | 1395 | cur_line.append(chunks.pop()) |
|
1395 | 1396 | cur_len += l |
|
1396 | 1397 | |
|
1397 | 1398 | # Nope, this line is full. |
|
1398 | 1399 | else: |
|
1399 | 1400 | break |
|
1400 | 1401 | |
|
1401 | 1402 | # The current line is full, and the next chunk is too big to |
|
1402 | 1403 | # fit on *any* line (not just this one). |
|
1403 | 1404 | if chunks and colwidth(chunks[-1]) > width: |
|
1404 | 1405 | self._handle_long_word(chunks, cur_line, cur_len, width) |
|
1405 | 1406 | |
|
1406 | 1407 | # If the last chunk on this line is all whitespace, drop it. |
|
1407 | 1408 | if (self.drop_whitespace and |
|
1408 | 1409 | cur_line and cur_line[-1].strip() == ''): |
|
1409 | 1410 | del cur_line[-1] |
|
1410 | 1411 | |
|
1411 | 1412 | # Convert current line back to a string and store it in list |
|
1412 | 1413 | # of all lines (return value). |
|
1413 | 1414 | if cur_line: |
|
1414 | 1415 | lines.append(indent + ''.join(cur_line)) |
|
1415 | 1416 | |
|
1416 | 1417 | return lines |
|
1417 | 1418 | |
|
1418 | 1419 | global MBTextWrapper |
|
1419 | 1420 | MBTextWrapper = tw |
|
1420 | 1421 | return tw(**kwargs) |
|
1421 | 1422 | |
|
1422 | 1423 | def wrap(line, width, initindent='', hangindent=''): |
|
1423 | 1424 | maxindent = max(len(hangindent), len(initindent)) |
|
1424 | 1425 | if width <= maxindent: |
|
1425 | 1426 | # adjust for weird terminal size |
|
1426 | 1427 | width = max(78, maxindent + 1) |
|
1427 | 1428 | line = line.decode(encoding.encoding, encoding.encodingmode) |
|
1428 | 1429 | initindent = initindent.decode(encoding.encoding, encoding.encodingmode) |
|
1429 | 1430 | hangindent = hangindent.decode(encoding.encoding, encoding.encodingmode) |
|
1430 | 1431 | wrapper = MBTextWrapper(width=width, |
|
1431 | 1432 | initial_indent=initindent, |
|
1432 | 1433 | subsequent_indent=hangindent) |
|
1433 | 1434 | return wrapper.fill(line).encode(encoding.encoding) |
|
1434 | 1435 | |
|
1435 | 1436 | def iterlines(iterator): |
|
1436 | 1437 | for chunk in iterator: |
|
1437 | 1438 | for line in chunk.splitlines(): |
|
1438 | 1439 | yield line |
|
1439 | 1440 | |
|
1440 | 1441 | def expandpath(path): |
|
1441 | 1442 | return os.path.expanduser(os.path.expandvars(path)) |
|
1442 | 1443 | |
|
1443 | 1444 | def hgcmd(): |
|
1444 | 1445 | """Return the command used to execute current hg |
|
1445 | 1446 | |
|
1446 | 1447 | This is different from hgexecutable() because on Windows we want |
|
1447 | 1448 | to avoid things opening new shell windows like batch files, so we |
|
1448 | 1449 | get either the python call or current executable. |
|
1449 | 1450 | """ |
|
1450 | 1451 | if mainfrozen(): |
|
1451 | 1452 | return [sys.executable] |
|
1452 | 1453 | return gethgcmd() |
|
1453 | 1454 | |
|
1454 | 1455 | def rundetached(args, condfn): |
|
1455 | 1456 | """Execute the argument list in a detached process. |
|
1456 | 1457 | |
|
1457 | 1458 | condfn is a callable which is called repeatedly and should return |
|
1458 | 1459 | True once the child process is known to have started successfully. |
|
1459 | 1460 | At this point, the child process PID is returned. If the child |
|
1460 | 1461 | process fails to start or finishes before condfn() evaluates to |
|
1461 | 1462 | True, return -1. |
|
1462 | 1463 | """ |
|
1463 | 1464 | # Windows case is easier because the child process is either |
|
1464 | 1465 | # successfully starting and validating the condition or exiting |
|
1465 | 1466 | # on failure. We just poll on its PID. On Unix, if the child |
|
1466 | 1467 | # process fails to start, it will be left in a zombie state until |
|
1467 | 1468 | # the parent wait on it, which we cannot do since we expect a long |
|
1468 | 1469 | # running process on success. Instead we listen for SIGCHLD telling |
|
1469 | 1470 | # us our child process terminated. |
|
1470 | 1471 | terminated = set() |
|
1471 | 1472 | def handler(signum, frame): |
|
1472 | 1473 | terminated.add(os.wait()) |
|
1473 | 1474 | prevhandler = None |
|
1474 | 1475 | SIGCHLD = getattr(signal, 'SIGCHLD', None) |
|
1475 | 1476 | if SIGCHLD is not None: |
|
1476 | 1477 | prevhandler = signal.signal(SIGCHLD, handler) |
|
1477 | 1478 | try: |
|
1478 | 1479 | pid = spawndetached(args) |
|
1479 | 1480 | while not condfn(): |
|
1480 | 1481 | if ((pid in terminated or not testpid(pid)) |
|
1481 | 1482 | and not condfn()): |
|
1482 | 1483 | return -1 |
|
1483 | 1484 | time.sleep(0.1) |
|
1484 | 1485 | return pid |
|
1485 | 1486 | finally: |
|
1486 | 1487 | if prevhandler is not None: |
|
1487 | 1488 | signal.signal(signal.SIGCHLD, prevhandler) |
|
1488 | 1489 | |
|
1489 | 1490 | try: |
|
1490 | 1491 | any, all = any, all |
|
1491 | 1492 | except NameError: |
|
1492 | 1493 | def any(iterable): |
|
1493 | 1494 | for i in iterable: |
|
1494 | 1495 | if i: |
|
1495 | 1496 | return True |
|
1496 | 1497 | return False |
|
1497 | 1498 | |
|
1498 | 1499 | def all(iterable): |
|
1499 | 1500 | for i in iterable: |
|
1500 | 1501 | if not i: |
|
1501 | 1502 | return False |
|
1502 | 1503 | return True |
|
1503 | 1504 | |
|
1504 | 1505 | def interpolate(prefix, mapping, s, fn=None, escape_prefix=False): |
|
1505 | 1506 | """Return the result of interpolating items in the mapping into string s. |
|
1506 | 1507 | |
|
1507 | 1508 | prefix is a single character string, or a two character string with |
|
1508 | 1509 | a backslash as the first character if the prefix needs to be escaped in |
|
1509 | 1510 | a regular expression. |
|
1510 | 1511 | |
|
1511 | 1512 | fn is an optional function that will be applied to the replacement text |
|
1512 | 1513 | just before replacement. |
|
1513 | 1514 | |
|
1514 | 1515 | escape_prefix is an optional flag that allows using doubled prefix for |
|
1515 | 1516 | its escaping. |
|
1516 | 1517 | """ |
|
1517 | 1518 | fn = fn or (lambda s: s) |
|
1518 | 1519 | patterns = '|'.join(mapping.keys()) |
|
1519 | 1520 | if escape_prefix: |
|
1520 | 1521 | patterns += '|' + prefix |
|
1521 | 1522 | if len(prefix) > 1: |
|
1522 | 1523 | prefix_char = prefix[1:] |
|
1523 | 1524 | else: |
|
1524 | 1525 | prefix_char = prefix |
|
1525 | 1526 | mapping[prefix_char] = prefix_char |
|
1526 | 1527 | r = re.compile(r'%s(%s)' % (prefix, patterns)) |
|
1527 | 1528 | return r.sub(lambda x: fn(mapping[x.group()[1:]]), s) |
|
1528 | 1529 | |
|
1529 | 1530 | def getport(port): |
|
1530 | 1531 | """Return the port for a given network service. |
|
1531 | 1532 | |
|
1532 | 1533 | If port is an integer, it's returned as is. If it's a string, it's |
|
1533 | 1534 | looked up using socket.getservbyname(). If there's no matching |
|
1534 | 1535 | service, util.Abort is raised. |
|
1535 | 1536 | """ |
|
1536 | 1537 | try: |
|
1537 | 1538 | return int(port) |
|
1538 | 1539 | except ValueError: |
|
1539 | 1540 | pass |
|
1540 | 1541 | |
|
1541 | 1542 | try: |
|
1542 | 1543 | return socket.getservbyname(port) |
|
1543 | 1544 | except socket.error: |
|
1544 | 1545 | raise Abort(_("no port number associated with service '%s'") % port) |
|
1545 | 1546 | |
|
1546 | 1547 | _booleans = {'1': True, 'yes': True, 'true': True, 'on': True, 'always': True, |
|
1547 | 1548 | '0': False, 'no': False, 'false': False, 'off': False, |
|
1548 | 1549 | 'never': False} |
|
1549 | 1550 | |
|
1550 | 1551 | def parsebool(s): |
|
1551 | 1552 | """Parse s into a boolean. |
|
1552 | 1553 | |
|
1553 | 1554 | If s is not a valid boolean, returns None. |
|
1554 | 1555 | """ |
|
1555 | 1556 | return _booleans.get(s.lower(), None) |
|
1556 | 1557 | |
|
1557 | 1558 | _hexdig = '0123456789ABCDEFabcdef' |
|
1558 | 1559 | _hextochr = dict((a + b, chr(int(a + b, 16))) |
|
1559 | 1560 | for a in _hexdig for b in _hexdig) |
|
1560 | 1561 | |
|
1561 | 1562 | def _urlunquote(s): |
|
1562 | 1563 | """Decode HTTP/HTML % encoding. |
|
1563 | 1564 | |
|
1564 | 1565 | >>> _urlunquote('abc%20def') |
|
1565 | 1566 | 'abc def' |
|
1566 | 1567 | """ |
|
1567 | 1568 | res = s.split('%') |
|
1568 | 1569 | # fastpath |
|
1569 | 1570 | if len(res) == 1: |
|
1570 | 1571 | return s |
|
1571 | 1572 | s = res[0] |
|
1572 | 1573 | for item in res[1:]: |
|
1573 | 1574 | try: |
|
1574 | 1575 | s += _hextochr[item[:2]] + item[2:] |
|
1575 | 1576 | except KeyError: |
|
1576 | 1577 | s += '%' + item |
|
1577 | 1578 | except UnicodeDecodeError: |
|
1578 | 1579 | s += unichr(int(item[:2], 16)) + item[2:] |
|
1579 | 1580 | return s |
|
1580 | 1581 | |
|
1581 | 1582 | class url(object): |
|
1582 | 1583 | r"""Reliable URL parser. |
|
1583 | 1584 | |
|
1584 | 1585 | This parses URLs and provides attributes for the following |
|
1585 | 1586 | components: |
|
1586 | 1587 | |
|
1587 | 1588 | <scheme>://<user>:<passwd>@<host>:<port>/<path>?<query>#<fragment> |
|
1588 | 1589 | |
|
1589 | 1590 | Missing components are set to None. The only exception is |
|
1590 | 1591 | fragment, which is set to '' if present but empty. |
|
1591 | 1592 | |
|
1592 | 1593 | If parsefragment is False, fragment is included in query. If |
|
1593 | 1594 | parsequery is False, query is included in path. If both are |
|
1594 | 1595 | False, both fragment and query are included in path. |
|
1595 | 1596 | |
|
1596 | 1597 | See http://www.ietf.org/rfc/rfc2396.txt for more information. |
|
1597 | 1598 | |
|
1598 | 1599 | Note that for backward compatibility reasons, bundle URLs do not |
|
1599 | 1600 | take host names. That means 'bundle://../' has a path of '../'. |
|
1600 | 1601 | |
|
1601 | 1602 | Examples: |
|
1602 | 1603 | |
|
1603 | 1604 | >>> url('http://www.ietf.org/rfc/rfc2396.txt') |
|
1604 | 1605 | <url scheme: 'http', host: 'www.ietf.org', path: 'rfc/rfc2396.txt'> |
|
1605 | 1606 | >>> url('ssh://[::1]:2200//home/joe/repo') |
|
1606 | 1607 | <url scheme: 'ssh', host: '[::1]', port: '2200', path: '/home/joe/repo'> |
|
1607 | 1608 | >>> url('file:///home/joe/repo') |
|
1608 | 1609 | <url scheme: 'file', path: '/home/joe/repo'> |
|
1609 | 1610 | >>> url('file:///c:/temp/foo/') |
|
1610 | 1611 | <url scheme: 'file', path: 'c:/temp/foo/'> |
|
1611 | 1612 | >>> url('bundle:foo') |
|
1612 | 1613 | <url scheme: 'bundle', path: 'foo'> |
|
1613 | 1614 | >>> url('bundle://../foo') |
|
1614 | 1615 | <url scheme: 'bundle', path: '../foo'> |
|
1615 | 1616 | >>> url(r'c:\foo\bar') |
|
1616 | 1617 | <url path: 'c:\\foo\\bar'> |
|
1617 | 1618 | >>> url(r'\\blah\blah\blah') |
|
1618 | 1619 | <url path: '\\\\blah\\blah\\blah'> |
|
1619 | 1620 | >>> url(r'\\blah\blah\blah#baz') |
|
1620 | 1621 | <url path: '\\\\blah\\blah\\blah', fragment: 'baz'> |
|
1621 | 1622 | |
|
1622 | 1623 | Authentication credentials: |
|
1623 | 1624 | |
|
1624 | 1625 | >>> url('ssh://joe:xyz@x/repo') |
|
1625 | 1626 | <url scheme: 'ssh', user: 'joe', passwd: 'xyz', host: 'x', path: 'repo'> |
|
1626 | 1627 | >>> url('ssh://joe@x/repo') |
|
1627 | 1628 | <url scheme: 'ssh', user: 'joe', host: 'x', path: 'repo'> |
|
1628 | 1629 | |
|
1629 | 1630 | Query strings and fragments: |
|
1630 | 1631 | |
|
1631 | 1632 | >>> url('http://host/a?b#c') |
|
1632 | 1633 | <url scheme: 'http', host: 'host', path: 'a', query: 'b', fragment: 'c'> |
|
1633 | 1634 | >>> url('http://host/a?b#c', parsequery=False, parsefragment=False) |
|
1634 | 1635 | <url scheme: 'http', host: 'host', path: 'a?b#c'> |
|
1635 | 1636 | """ |
|
1636 | 1637 | |
|
1637 | 1638 | _safechars = "!~*'()+" |
|
1638 | 1639 | _safepchars = "/!~*'()+:" |
|
1639 | 1640 | _matchscheme = re.compile(r'^[a-zA-Z0-9+.\-]+:').match |
|
1640 | 1641 | |
|
1641 | 1642 | def __init__(self, path, parsequery=True, parsefragment=True): |
|
1642 | 1643 | # We slowly chomp away at path until we have only the path left |
|
1643 | 1644 | self.scheme = self.user = self.passwd = self.host = None |
|
1644 | 1645 | self.port = self.path = self.query = self.fragment = None |
|
1645 | 1646 | self._localpath = True |
|
1646 | 1647 | self._hostport = '' |
|
1647 | 1648 | self._origpath = path |
|
1648 | 1649 | |
|
1649 | 1650 | if parsefragment and '#' in path: |
|
1650 | 1651 | path, self.fragment = path.split('#', 1) |
|
1651 | 1652 | if not path: |
|
1652 | 1653 | path = None |
|
1653 | 1654 | |
|
1654 | 1655 | # special case for Windows drive letters and UNC paths |
|
1655 | 1656 | if hasdriveletter(path) or path.startswith(r'\\'): |
|
1656 | 1657 | self.path = path |
|
1657 | 1658 | return |
|
1658 | 1659 | |
|
1659 | 1660 | # For compatibility reasons, we can't handle bundle paths as |
|
1660 | 1661 | # normal URLS |
|
1661 | 1662 | if path.startswith('bundle:'): |
|
1662 | 1663 | self.scheme = 'bundle' |
|
1663 | 1664 | path = path[7:] |
|
1664 | 1665 | if path.startswith('//'): |
|
1665 | 1666 | path = path[2:] |
|
1666 | 1667 | self.path = path |
|
1667 | 1668 | return |
|
1668 | 1669 | |
|
1669 | 1670 | if self._matchscheme(path): |
|
1670 | 1671 | parts = path.split(':', 1) |
|
1671 | 1672 | if parts[0]: |
|
1672 | 1673 | self.scheme, path = parts |
|
1673 | 1674 | self._localpath = False |
|
1674 | 1675 | |
|
1675 | 1676 | if not path: |
|
1676 | 1677 | path = None |
|
1677 | 1678 | if self._localpath: |
|
1678 | 1679 | self.path = '' |
|
1679 | 1680 | return |
|
1680 | 1681 | else: |
|
1681 | 1682 | if self._localpath: |
|
1682 | 1683 | self.path = path |
|
1683 | 1684 | return |
|
1684 | 1685 | |
|
1685 | 1686 | if parsequery and '?' in path: |
|
1686 | 1687 | path, self.query = path.split('?', 1) |
|
1687 | 1688 | if not path: |
|
1688 | 1689 | path = None |
|
1689 | 1690 | if not self.query: |
|
1690 | 1691 | self.query = None |
|
1691 | 1692 | |
|
1692 | 1693 | # // is required to specify a host/authority |
|
1693 | 1694 | if path and path.startswith('//'): |
|
1694 | 1695 | parts = path[2:].split('/', 1) |
|
1695 | 1696 | if len(parts) > 1: |
|
1696 | 1697 | self.host, path = parts |
|
1697 | 1698 | else: |
|
1698 | 1699 | self.host = parts[0] |
|
1699 | 1700 | path = None |
|
1700 | 1701 | if not self.host: |
|
1701 | 1702 | self.host = None |
|
1702 | 1703 | # path of file:///d is /d |
|
1703 | 1704 | # path of file:///d:/ is d:/, not /d:/ |
|
1704 | 1705 | if path and not hasdriveletter(path): |
|
1705 | 1706 | path = '/' + path |
|
1706 | 1707 | |
|
1707 | 1708 | if self.host and '@' in self.host: |
|
1708 | 1709 | self.user, self.host = self.host.rsplit('@', 1) |
|
1709 | 1710 | if ':' in self.user: |
|
1710 | 1711 | self.user, self.passwd = self.user.split(':', 1) |
|
1711 | 1712 | if not self.host: |
|
1712 | 1713 | self.host = None |
|
1713 | 1714 | |
|
1714 | 1715 | # Don't split on colons in IPv6 addresses without ports |
|
1715 | 1716 | if (self.host and ':' in self.host and |
|
1716 | 1717 | not (self.host.startswith('[') and self.host.endswith(']'))): |
|
1717 | 1718 | self._hostport = self.host |
|
1718 | 1719 | self.host, self.port = self.host.rsplit(':', 1) |
|
1719 | 1720 | if not self.host: |
|
1720 | 1721 | self.host = None |
|
1721 | 1722 | |
|
1722 | 1723 | if (self.host and self.scheme == 'file' and |
|
1723 | 1724 | self.host not in ('localhost', '127.0.0.1', '[::1]')): |
|
1724 | 1725 | raise Abort(_('file:// URLs can only refer to localhost')) |
|
1725 | 1726 | |
|
1726 | 1727 | self.path = path |
|
1727 | 1728 | |
|
1728 | 1729 | # leave the query string escaped |
|
1729 | 1730 | for a in ('user', 'passwd', 'host', 'port', |
|
1730 | 1731 | 'path', 'fragment'): |
|
1731 | 1732 | v = getattr(self, a) |
|
1732 | 1733 | if v is not None: |
|
1733 | 1734 | setattr(self, a, _urlunquote(v)) |
|
1734 | 1735 | |
|
1735 | 1736 | def __repr__(self): |
|
1736 | 1737 | attrs = [] |
|
1737 | 1738 | for a in ('scheme', 'user', 'passwd', 'host', 'port', 'path', |
|
1738 | 1739 | 'query', 'fragment'): |
|
1739 | 1740 | v = getattr(self, a) |
|
1740 | 1741 | if v is not None: |
|
1741 | 1742 | attrs.append('%s: %r' % (a, v)) |
|
1742 | 1743 | return '<url %s>' % ', '.join(attrs) |
|
1743 | 1744 | |
|
1744 | 1745 | def __str__(self): |
|
1745 | 1746 | r"""Join the URL's components back into a URL string. |
|
1746 | 1747 | |
|
1747 | 1748 | Examples: |
|
1748 | 1749 | |
|
1749 | 1750 | >>> str(url('http://user:pw@host:80/c:/bob?fo:oo#ba:ar')) |
|
1750 | 1751 | 'http://user:pw@host:80/c:/bob?fo:oo#ba:ar' |
|
1751 | 1752 | >>> str(url('http://user:pw@host:80/?foo=bar&baz=42')) |
|
1752 | 1753 | 'http://user:pw@host:80/?foo=bar&baz=42' |
|
1753 | 1754 | >>> str(url('http://user:pw@host:80/?foo=bar%3dbaz')) |
|
1754 | 1755 | 'http://user:pw@host:80/?foo=bar%3dbaz' |
|
1755 | 1756 | >>> str(url('ssh://user:pw@[::1]:2200//home/joe#')) |
|
1756 | 1757 | 'ssh://user:pw@[::1]:2200//home/joe#' |
|
1757 | 1758 | >>> str(url('http://localhost:80//')) |
|
1758 | 1759 | 'http://localhost:80//' |
|
1759 | 1760 | >>> str(url('http://localhost:80/')) |
|
1760 | 1761 | 'http://localhost:80/' |
|
1761 | 1762 | >>> str(url('http://localhost:80')) |
|
1762 | 1763 | 'http://localhost:80/' |
|
1763 | 1764 | >>> str(url('bundle:foo')) |
|
1764 | 1765 | 'bundle:foo' |
|
1765 | 1766 | >>> str(url('bundle://../foo')) |
|
1766 | 1767 | 'bundle:../foo' |
|
1767 | 1768 | >>> str(url('path')) |
|
1768 | 1769 | 'path' |
|
1769 | 1770 | >>> str(url('file:///tmp/foo/bar')) |
|
1770 | 1771 | 'file:///tmp/foo/bar' |
|
1771 | 1772 | >>> str(url('file:///c:/tmp/foo/bar')) |
|
1772 | 1773 | 'file:///c:/tmp/foo/bar' |
|
1773 | 1774 | >>> print url(r'bundle:foo\bar') |
|
1774 | 1775 | bundle:foo\bar |
|
1775 | 1776 | """ |
|
1776 | 1777 | if self._localpath: |
|
1777 | 1778 | s = self.path |
|
1778 | 1779 | if self.scheme == 'bundle': |
|
1779 | 1780 | s = 'bundle:' + s |
|
1780 | 1781 | if self.fragment: |
|
1781 | 1782 | s += '#' + self.fragment |
|
1782 | 1783 | return s |
|
1783 | 1784 | |
|
1784 | 1785 | s = self.scheme + ':' |
|
1785 | 1786 | if self.user or self.passwd or self.host: |
|
1786 | 1787 | s += '//' |
|
1787 | 1788 | elif self.scheme and (not self.path or self.path.startswith('/') |
|
1788 | 1789 | or hasdriveletter(self.path)): |
|
1789 | 1790 | s += '//' |
|
1790 | 1791 | if hasdriveletter(self.path): |
|
1791 | 1792 | s += '/' |
|
1792 | 1793 | if self.user: |
|
1793 | 1794 | s += urllib.quote(self.user, safe=self._safechars) |
|
1794 | 1795 | if self.passwd: |
|
1795 | 1796 | s += ':' + urllib.quote(self.passwd, safe=self._safechars) |
|
1796 | 1797 | if self.user or self.passwd: |
|
1797 | 1798 | s += '@' |
|
1798 | 1799 | if self.host: |
|
1799 | 1800 | if not (self.host.startswith('[') and self.host.endswith(']')): |
|
1800 | 1801 | s += urllib.quote(self.host) |
|
1801 | 1802 | else: |
|
1802 | 1803 | s += self.host |
|
1803 | 1804 | if self.port: |
|
1804 | 1805 | s += ':' + urllib.quote(self.port) |
|
1805 | 1806 | if self.host: |
|
1806 | 1807 | s += '/' |
|
1807 | 1808 | if self.path: |
|
1808 | 1809 | # TODO: similar to the query string, we should not unescape the |
|
1809 | 1810 | # path when we store it, the path might contain '%2f' = '/', |
|
1810 | 1811 | # which we should *not* escape. |
|
1811 | 1812 | s += urllib.quote(self.path, safe=self._safepchars) |
|
1812 | 1813 | if self.query: |
|
1813 | 1814 | # we store the query in escaped form. |
|
1814 | 1815 | s += '?' + self.query |
|
1815 | 1816 | if self.fragment is not None: |
|
1816 | 1817 | s += '#' + urllib.quote(self.fragment, safe=self._safepchars) |
|
1817 | 1818 | return s |
|
1818 | 1819 | |
|
1819 | 1820 | def authinfo(self): |
|
1820 | 1821 | user, passwd = self.user, self.passwd |
|
1821 | 1822 | try: |
|
1822 | 1823 | self.user, self.passwd = None, None |
|
1823 | 1824 | s = str(self) |
|
1824 | 1825 | finally: |
|
1825 | 1826 | self.user, self.passwd = user, passwd |
|
1826 | 1827 | if not self.user: |
|
1827 | 1828 | return (s, None) |
|
1828 | 1829 | # authinfo[1] is passed to urllib2 password manager, and its |
|
1829 | 1830 | # URIs must not contain credentials. The host is passed in the |
|
1830 | 1831 | # URIs list because Python < 2.4.3 uses only that to search for |
|
1831 | 1832 | # a password. |
|
1832 | 1833 | return (s, (None, (s, self.host), |
|
1833 | 1834 | self.user, self.passwd or '')) |
|
1834 | 1835 | |
|
1835 | 1836 | def isabs(self): |
|
1836 | 1837 | if self.scheme and self.scheme != 'file': |
|
1837 | 1838 | return True # remote URL |
|
1838 | 1839 | if hasdriveletter(self.path): |
|
1839 | 1840 | return True # absolute for our purposes - can't be joined() |
|
1840 | 1841 | if self.path.startswith(r'\\'): |
|
1841 | 1842 | return True # Windows UNC path |
|
1842 | 1843 | if self.path.startswith('/'): |
|
1843 | 1844 | return True # POSIX-style |
|
1844 | 1845 | return False |
|
1845 | 1846 | |
|
1846 | 1847 | def localpath(self): |
|
1847 | 1848 | if self.scheme == 'file' or self.scheme == 'bundle': |
|
1848 | 1849 | path = self.path or '/' |
|
1849 | 1850 | # For Windows, we need to promote hosts containing drive |
|
1850 | 1851 | # letters to paths with drive letters. |
|
1851 | 1852 | if hasdriveletter(self._hostport): |
|
1852 | 1853 | path = self._hostport + '/' + self.path |
|
1853 | 1854 | elif (self.host is not None and self.path |
|
1854 | 1855 | and not hasdriveletter(path)): |
|
1855 | 1856 | path = '/' + path |
|
1856 | 1857 | return path |
|
1857 | 1858 | return self._origpath |
|
1858 | 1859 | |
|
1859 | 1860 | def hasscheme(path): |
|
1860 | 1861 | return bool(url(path).scheme) |
|
1861 | 1862 | |
|
1862 | 1863 | def hasdriveletter(path): |
|
1863 | 1864 | return path and path[1:2] == ':' and path[0:1].isalpha() |
|
1864 | 1865 | |
|
1865 | 1866 | def urllocalpath(path): |
|
1866 | 1867 | return url(path, parsequery=False, parsefragment=False).localpath() |
|
1867 | 1868 | |
|
1868 | 1869 | def hidepassword(u): |
|
1869 | 1870 | '''hide user credential in a url string''' |
|
1870 | 1871 | u = url(u) |
|
1871 | 1872 | if u.passwd: |
|
1872 | 1873 | u.passwd = '***' |
|
1873 | 1874 | return str(u) |
|
1874 | 1875 | |
|
1875 | 1876 | def removeauth(u): |
|
1876 | 1877 | '''remove all authentication information from a url string''' |
|
1877 | 1878 | u = url(u) |
|
1878 | 1879 | u.user = u.passwd = None |
|
1879 | 1880 | return str(u) |
|
1880 | 1881 | |
|
1881 | 1882 | def isatty(fd): |
|
1882 | 1883 | try: |
|
1883 | 1884 | return fd.isatty() |
|
1884 | 1885 | except AttributeError: |
|
1885 | 1886 | return False |
|
1886 | 1887 | |
|
1887 | 1888 | timecount = unitcountfn( |
|
1888 | 1889 | (1, 1e3, _('%.0f s')), |
|
1889 | 1890 | (100, 1, _('%.1f s')), |
|
1890 | 1891 | (10, 1, _('%.2f s')), |
|
1891 | 1892 | (1, 1, _('%.3f s')), |
|
1892 | 1893 | (100, 0.001, _('%.1f ms')), |
|
1893 | 1894 | (10, 0.001, _('%.2f ms')), |
|
1894 | 1895 | (1, 0.001, _('%.3f ms')), |
|
1895 | 1896 | (100, 0.000001, _('%.1f us')), |
|
1896 | 1897 | (10, 0.000001, _('%.2f us')), |
|
1897 | 1898 | (1, 0.000001, _('%.3f us')), |
|
1898 | 1899 | (100, 0.000000001, _('%.1f ns')), |
|
1899 | 1900 | (10, 0.000000001, _('%.2f ns')), |
|
1900 | 1901 | (1, 0.000000001, _('%.3f ns')), |
|
1901 | 1902 | ) |
|
1902 | 1903 | |
|
1903 | 1904 | _timenesting = [0] |
|
1904 | 1905 | |
|
1905 | 1906 | def timed(func): |
|
1906 | 1907 | '''Report the execution time of a function call to stderr. |
|
1907 | 1908 | |
|
1908 | 1909 | During development, use as a decorator when you need to measure |
|
1909 | 1910 | the cost of a function, e.g. as follows: |
|
1910 | 1911 | |
|
1911 | 1912 | @util.timed |
|
1912 | 1913 | def foo(a, b, c): |
|
1913 | 1914 | pass |
|
1914 | 1915 | ''' |
|
1915 | 1916 | |
|
1916 | 1917 | def wrapper(*args, **kwargs): |
|
1917 | 1918 | start = time.time() |
|
1918 | 1919 | indent = 2 |
|
1919 | 1920 | _timenesting[0] += indent |
|
1920 | 1921 | try: |
|
1921 | 1922 | return func(*args, **kwargs) |
|
1922 | 1923 | finally: |
|
1923 | 1924 | elapsed = time.time() - start |
|
1924 | 1925 | _timenesting[0] -= indent |
|
1925 | 1926 | sys.stderr.write('%s%s: %s\n' % |
|
1926 | 1927 | (' ' * _timenesting[0], func.__name__, |
|
1927 | 1928 | timecount(elapsed))) |
|
1928 | 1929 | return wrapper |
|
1929 | 1930 | |
|
1930 | 1931 | _sizeunits = (('m', 2**20), ('k', 2**10), ('g', 2**30), |
|
1931 | 1932 | ('kb', 2**10), ('mb', 2**20), ('gb', 2**30), ('b', 1)) |
|
1932 | 1933 | |
|
1933 | 1934 | def sizetoint(s): |
|
1934 | 1935 | '''Convert a space specifier to a byte count. |
|
1935 | 1936 | |
|
1936 | 1937 | >>> sizetoint('30') |
|
1937 | 1938 | 30 |
|
1938 | 1939 | >>> sizetoint('2.2kb') |
|
1939 | 1940 | 2252 |
|
1940 | 1941 | >>> sizetoint('6M') |
|
1941 | 1942 | 6291456 |
|
1942 | 1943 | ''' |
|
1943 | 1944 | t = s.strip().lower() |
|
1944 | 1945 | try: |
|
1945 | 1946 | for k, u in _sizeunits: |
|
1946 | 1947 | if t.endswith(k): |
|
1947 | 1948 | return int(float(t[:-len(k)]) * u) |
|
1948 | 1949 | return int(t) |
|
1949 | 1950 | except ValueError: |
|
1950 | 1951 | raise error.ParseError(_("couldn't parse size: %s") % s) |
|
1951 | 1952 | |
|
1952 | 1953 | class hooks(object): |
|
1953 | 1954 | '''A collection of hook functions that can be used to extend a |
|
1954 | 1955 | function's behaviour. Hooks are called in lexicographic order, |
|
1955 | 1956 | based on the names of their sources.''' |
|
1956 | 1957 | |
|
1957 | 1958 | def __init__(self): |
|
1958 | 1959 | self._hooks = [] |
|
1959 | 1960 | |
|
1960 | 1961 | def add(self, source, hook): |
|
1961 | 1962 | self._hooks.append((source, hook)) |
|
1962 | 1963 | |
|
1963 | 1964 | def __call__(self, *args): |
|
1964 | 1965 | self._hooks.sort(key=lambda x: x[0]) |
|
1965 | 1966 | for source, hook in self._hooks: |
|
1966 | 1967 | hook(*args) |
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