Mercurial > hg
annotate mercurial/ui.py @ 8716:f3322bb29a0e
dirstate: don't complain about 0-length files
author | Matt Mackall <mpm@selenic.com> |
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date | Thu, 04 Jun 2009 16:21:09 -0500 |
parents | 3fa92c618624 |
children | 01ada7b1861d |
rev | line source |
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207 | 1 # ui.py - user interface bits for mercurial |
2 # | |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
207 | 4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2, incorporated herein by reference. |
207 | 7 |
3891 | 8 from i18n import _ |
8656 | 9 import errno, getpass, os, socket, sys, tempfile, traceback |
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10 import config, util, error |
207 | 11 |
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12 _booleans = {'1': True, 'yes': True, 'true': True, 'on': True, |
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13 '0': False, 'no': False, 'false': False, 'off': False} |
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14 |
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15 class ui(object): |
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16 def __init__(self, src=None): |
8202 | 17 self._buffers = [] |
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18 self.quiet = self.verbose = self.debugflag = self._traceback = False |
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19 self._reportuntrusted = True |
8203 | 20 self._ocfg = config.config() # overlay |
21 self._tcfg = config.config() # trusted | |
22 self._ucfg = config.config() # untrusted | |
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23 self._trustusers = set() |
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24 self._trustgroups = set() |
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25 |
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26 if src: |
8203 | 27 self._tcfg = src._tcfg.copy() |
28 self._ucfg = src._ucfg.copy() | |
29 self._ocfg = src._ocfg.copy() | |
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30 self._trustusers = src._trustusers.copy() |
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31 self._trustgroups = src._trustgroups.copy() |
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32 self.fixconfig() |
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33 else: |
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34 # we always trust global config files |
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35 for f in util.rcpath(): |
8200 | 36 self.readconfig(f, trust=True) |
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37 |
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38 def copy(self): |
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39 return self.__class__(self) |
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40 |
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41 def _is_trusted(self, fp, f): |
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42 st = util.fstat(fp) |
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43 if util.isowner(st): |
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44 return True |
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45 |
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46 tusers, tgroups = self._trustusers, self._trustgroups |
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47 if '*' in tusers or '*' in tgroups: |
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48 return True |
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49 |
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50 user = util.username(st.st_uid) |
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51 group = util.groupname(st.st_gid) |
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52 if user in tusers or group in tgroups or user == util.username(): |
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53 return True |
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54 |
8204 | 55 if self._reportuntrusted: |
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56 self.warn(_('Not trusting file %s from untrusted ' |
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57 'user %s, group %s\n') % (f, user, group)) |
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58 return False |
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59 |
8200 | 60 def readconfig(self, filename, root=None, trust=False, |
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61 sections=None, remap=None): |
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62 try: |
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63 fp = open(filename) |
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64 except IOError: |
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65 if not sections: # ignore unless we were looking for something |
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66 return |
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67 raise |
8139 | 68 |
8203 | 69 cfg = config.config() |
8200 | 70 trusted = sections or trust or self._is_trusted(fp, filename) |
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71 |
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72 try: |
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73 cfg.read(filename, fp, sections=sections, remap=remap) |
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74 except error.ConfigError, inst: |
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75 if trusted: |
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76 raise |
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77 self.warn(_("Ignored: %s\n") % str(inst)) |
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78 |
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79 if trusted: |
8203 | 80 self._tcfg.update(cfg) |
81 self._tcfg.update(self._ocfg) | |
82 self._ucfg.update(cfg) | |
83 self._ucfg.update(self._ocfg) | |
8139 | 84 |
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85 if root is None: |
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86 root = os.path.expanduser('~') |
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87 self.fixconfig(root=root) |
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88 |
8197 | 89 def fixconfig(self, root=None): |
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90 # translate paths relative to root (or home) into absolute paths |
8197 | 91 root = root or os.getcwd() |
8203 | 92 for c in self._tcfg, self._ucfg, self._ocfg: |
8197 | 93 for n, p in c.items('paths'): |
94 if p and "://" not in p and not os.path.isabs(p): | |
95 c.set("paths", n, os.path.normpath(os.path.join(root, p))) | |
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96 |
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97 # update ui options |
8197 | 98 self.debugflag = self.configbool('ui', 'debug') |
99 self.verbose = self.debugflag or self.configbool('ui', 'verbose') | |
100 self.quiet = not self.debugflag and self.configbool('ui', 'quiet') | |
101 if self.verbose and self.quiet: | |
102 self.quiet = self.verbose = False | |
8204 | 103 self._reportuntrusted = self.configbool("ui", "report_untrusted", True) |
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104 self._traceback = self.configbool('ui', 'traceback', False) |
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105 |
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106 # update trust information |
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107 self._trustusers.update(self.configlist('trusted', 'users')) |
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108 self._trustgroups.update(self.configlist('trusted', 'groups')) |
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109 |
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110 def setconfig(self, section, name, value): |
8203 | 111 for cfg in (self._ocfg, self._tcfg, self._ucfg): |
112 cfg.set(section, name, value) | |
8197 | 113 self.fixconfig() |
960 | 114 |
8199 | 115 def _data(self, untrusted): |
8203 | 116 return untrusted and self._ucfg or self._tcfg |
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117 |
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118 def configsource(self, section, name, untrusted=False): |
8199 | 119 return self._data(untrusted).source(section, name) or 'none' |
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120 |
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121 def config(self, section, name, default=None, untrusted=False): |
8199 | 122 value = self._data(untrusted).get(section, name, default) |
8204 | 123 if self.debugflag and not untrusted and self._reportuntrusted: |
8203 | 124 uvalue = self._ucfg.get(section, name) |
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125 if uvalue is not None and uvalue != value: |
8204 | 126 self.debug(_("ignoring untrusted configuration option " |
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127 "%s.%s = %s\n") % (section, name, uvalue)) |
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128 return value |
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129 |
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130 def configbool(self, section, name, default=False, untrusted=False): |
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131 v = self.config(section, name, None, untrusted) |
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132 if v is None: |
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133 return default |
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134 if v.lower() not in _booleans: |
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135 raise error.ConfigError(_("%s.%s not a boolean ('%s')") |
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136 % (section, name, v)) |
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137 return _booleans[v.lower()] |
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138 |
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139 def configlist(self, section, name, default=None, untrusted=False): |
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140 """Return a list of comma/space separated strings""" |
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141 result = self.config(section, name, untrusted=untrusted) |
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142 if result is None: |
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143 result = default or [] |
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144 if isinstance(result, basestring): |
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145 result = result.replace(",", " ").split() |
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146 return result |
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147 |
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148 def has_section(self, section, untrusted=False): |
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149 '''tell whether section exists in config.''' |
8199 | 150 return section in self._data(untrusted) |
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151 |
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152 def configitems(self, section, untrusted=False): |
8199 | 153 items = self._data(untrusted).items(section) |
8204 | 154 if self.debugflag and not untrusted and self._reportuntrusted: |
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155 for k, v in self._ucfg.items(section): |
8203 | 156 if self._tcfg.get(section, k) != v: |
8204 | 157 self.debug(_("ignoring untrusted configuration option " |
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158 "%s.%s = %s\n") % (section, k, v)) |
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159 return items |
285 | 160 |
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161 def walkconfig(self, untrusted=False): |
8203 | 162 cfg = self._data(untrusted) |
163 for section in cfg.sections(): | |
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164 for name, value in self.configitems(section, untrusted): |
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165 yield section, name, str(value).replace('\n', '\\n') |
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166 |
608
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167 def username(self): |
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168 """Return default username to be used in commits. |
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169 |
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170 Searched in this order: $HGUSER, [ui] section of hgrcs, $EMAIL |
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171 and stop searching if one of these is set. |
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172 If not found and ui.askusername is True, ask the user, else use |
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173 ($LOGNAME or $USER or $LNAME or $USERNAME) + "@full.hostname". |
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174 """ |
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175 user = os.environ.get("HGUSER") |
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176 if user is None: |
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177 user = self.config("ui", "username") |
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178 if user is None: |
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179 user = os.environ.get("EMAIL") |
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180 if user is None and self.configbool("ui", "askusername"): |
7600 | 181 user = self.prompt(_("enter a commit username:"), default=None) |
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182 if user is None: |
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183 try: |
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184 user = '%s@%s' % (util.getuser(), socket.getfqdn()) |
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185 self.warn(_("No username found, using '%s' instead\n") % user) |
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186 except KeyError: |
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187 pass |
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188 if not user: |
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189 raise util.Abort(_("Please specify a username.")) |
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190 if "\n" in user: |
7470
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191 raise util.Abort(_("username %s contains a newline\n") % repr(user)) |
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192 return user |
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193 |
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194 def shortuser(self, user): |
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195 """Return a short representation of a user name or email address.""" |
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196 if not self.verbose: user = util.shortuser(user) |
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197 return user |
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198 |
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199 def _path(self, loc): |
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200 p = self.config('paths', loc) |
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201 if p and '%%' in p: |
8642
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202 self.warn('(deprecated \'%%\' in path %s=%s from %s)\n' % |
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203 (loc, p, self.configsource('paths', loc))) |
8197 | 204 p = p.replace('%%', '%') |
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205 return p |
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206 |
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207 def expandpath(self, loc, default=None): |
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208 """Return repository location relative to cwd or from [paths]""" |
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Only hg repositories override [paths], not simple directories (fixes issue510)
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209 if "://" in loc or os.path.isdir(os.path.join(loc, '.hg')): |
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210 return loc |
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211 |
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212 path = self._path(loc) |
2495
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diff
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213 if not path and default is not None: |
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214 path = self._path(default) |
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215 return path or loc |
506 | 216 |
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217 def pushbuffer(self): |
8202 | 218 self._buffers.append([]) |
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219 |
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220 def popbuffer(self): |
8202 | 221 return "".join(self._buffers.pop()) |
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222 |
207 | 223 def write(self, *args): |
8202 | 224 if self._buffers: |
225 self._buffers[-1].extend([str(a) for a in args]) | |
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226 else: |
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227 for a in args: |
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228 sys.stdout.write(str(a)) |
565 | 229 |
230 def write_err(self, *args): | |
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ignore EPIPE in ui.err_write
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diff
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|
231 try: |
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diff
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|
232 if not sys.stdout.closed: sys.stdout.flush() |
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diff
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|
233 for a in args: |
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diff
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|
234 sys.stderr.write(str(a)) |
4023
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Flush stderr after write.
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diff
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|
235 # stderr may be buffered under win32 when redirected to files, |
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Flush stderr after write.
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236 # including stdout. |
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|
237 if not sys.stderr.closed: sys.stderr.flush() |
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0541768fa558
ignore EPIPE in ui.err_write
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diff
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|
238 except IOError, inst: |
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diff
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|
239 if inst.errno != errno.EPIPE: |
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ignore EPIPE in ui.err_write
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diff
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|
240 raise |
565 | 241 |
1837
6f67a4c93493
make ui flush output. this makes error happen if printing to /dev/full.
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changeset
|
242 def flush(self): |
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Fix error on Windows if "hg log | more" exits.
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parents:
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diff
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|
243 try: sys.stdout.flush() |
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diff
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|
244 except: pass |
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|
245 try: sys.stderr.flush() |
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246 except: pass |
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247 |
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ui: make interactive a method
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248 def interactive(self): |
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249 i = self.configbool("ui", "interactive", None) |
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250 if i is None: |
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251 return sys.stdin.isatty() |
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252 return i |
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253 |
5337
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Don't try to determine interactivity if ui() called with interactive=False.
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254 def _readline(self, prompt=''): |
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255 if sys.stdin.isatty(): |
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256 try: |
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257 # magically add command line editing support, where |
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258 # available |
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259 import readline |
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260 # force demandimport to really load the module |
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|
261 readline.read_history_file |
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issue1419: catch strange readline import error on windows
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|
262 # windows sometimes raises something other than ImportError |
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issue1419: catch strange readline import error on windows
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263 except Exception: |
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264 pass |
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|
265 line = raw_input(prompt) |
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266 # When stdin is in binary mode on Windows, it can cause |
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267 # raw_input() to emit an extra trailing carriage return |
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268 if os.linesep == '\r\n' and line and line[-1] == '\r': |
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269 line = line[:-1] |
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270 return line |
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271 |
8259
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272 def prompt(self, msg, choices=None, default="y"): |
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273 """Prompt user with msg, read response, and ensure it matches |
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274 one of the provided choices. choices is a sequence of acceptable |
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275 responses with the format: ('&None', 'E&xec', 'Sym&link') |
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276 No sequence implies no response checking. Responses are case |
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277 insensitive. If ui is not interactive, the default is returned. |
5751 | 278 """ |
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279 if not self.interactive(): |
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280 self.note(msg, ' ', default, "\n") |
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281 return default |
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282 while True: |
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283 try: |
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284 r = self._readline(msg + ' ') |
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285 if not r: |
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286 return default |
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287 if not choices: |
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288 return r |
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289 resps = [s[s.index('&')+1].lower() for s in choices] |
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290 if r.lower() in resps: |
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291 return r.lower() |
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292 else: |
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293 self.write(_("unrecognized response\n")) |
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294 except EOFError: |
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295 raise util.Abort(_('response expected')) |
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296 |
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297 def getpass(self, prompt=None, default=None): |
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298 if not self.interactive(): return default |
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299 try: |
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300 return getpass.getpass(prompt or _('password: ')) |
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301 except EOFError: |
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302 raise util.Abort(_('response expected')) |
207 | 303 def status(self, *msg): |
304 if not self.quiet: self.write(*msg) | |
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305 def warn(self, *msg): |
565 | 306 self.write_err(*msg) |
207 | 307 def note(self, *msg): |
308 if self.verbose: self.write(*msg) | |
309 def debug(self, *msg): | |
310 if self.debugflag: self.write(*msg) | |
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311 def edit(self, text, user): |
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312 (fd, name) = tempfile.mkstemp(prefix="hg-editor-", suffix=".txt", |
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313 text=True) |
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314 try: |
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315 f = os.fdopen(fd, "w") |
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316 f.write(text) |
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317 f.close() |
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318 |
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319 editor = self.geteditor() |
207 | 320 |
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321 util.system("%s \"%s\"" % (editor, name), |
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322 environ={'HGUSER': user}, |
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323 onerr=util.Abort, errprefix=_("edit failed")) |
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324 |
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325 f = open(name) |
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326 t = f.read() |
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327 f.close() |
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328 finally: |
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329 os.unlink(name) |
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330 |
207 | 331 return t |
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332 |
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333 def traceback(self): |
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334 '''print exception traceback if traceback printing enabled. |
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335 only to call in exception handler. returns true if traceback |
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336 printed.''' |
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337 if self._traceback: |
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338 traceback.print_exc() |
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339 return self._traceback |
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340 |
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341 def geteditor(self): |
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342 '''return editor to use''' |
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343 return (os.environ.get("HGEDITOR") or |
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344 self.config("ui", "editor") or |
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345 os.environ.get("VISUAL") or |
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346 os.environ.get("EDITOR", "vi")) |