Mercurial > hg
annotate mercurial/ui.py @ 11570:2d88369a27bf
gendoc: remove call to callable for py3k compatibility
author | Martin Geisler <mg@lazybytes.net> |
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date | Thu, 15 Jul 2010 14:02:17 +0200 |
parents | caf10970950e |
children | 76454cbc11e4 |
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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
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.tracebackflag = 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.environ = src.environ |
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33 self.fixconfig() |
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34 else: |
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35 # shared read-only environment |
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36 self.environ = os.environ |
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37 # we always trust global config files |
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38 for f in util.rcpath(): |
8200 | 39 self.readconfig(f, trust=True) |
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40 |
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41 def copy(self): |
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42 return self.__class__(self) |
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43 |
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44 def _is_trusted(self, fp, f): |
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45 st = util.fstat(fp) |
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46 if util.isowner(st): |
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47 return True |
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48 |
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49 tusers, tgroups = self._trustusers, self._trustgroups |
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50 if '*' in tusers or '*' in tgroups: |
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51 return True |
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52 |
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53 user = util.username(st.st_uid) |
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54 group = util.groupname(st.st_gid) |
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55 if user in tusers or group in tgroups or user == util.username(): |
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56 return True |
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57 |
8204 | 58 if self._reportuntrusted: |
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59 self.warn(_('Not trusting file %s from untrusted ' |
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60 'user %s, group %s\n') % (f, user, group)) |
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61 return False |
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62 |
8200 | 63 def readconfig(self, filename, root=None, trust=False, |
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64 sections=None, remap=None): |
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65 try: |
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66 fp = open(filename) |
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67 except IOError: |
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68 if not sections: # ignore unless we were looking for something |
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69 return |
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70 raise |
8139 | 71 |
8203 | 72 cfg = config.config() |
8200 | 73 trusted = sections or trust or self._is_trusted(fp, filename) |
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74 |
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75 try: |
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76 cfg.read(filename, fp, sections=sections, remap=remap) |
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77 except error.ConfigError, inst: |
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78 if trusted: |
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79 raise |
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80 self.warn(_("Ignored: %s\n") % str(inst)) |
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81 |
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82 if self.plain(): |
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83 for k in ('debug', 'fallbackencoding', 'quiet', 'slash', |
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84 'logtemplate', 'style', |
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85 'traceback', 'verbose'): |
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86 if k in cfg['ui']: |
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87 del cfg['ui'][k] |
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88 for k, v in cfg.items('alias'): |
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89 del cfg['alias'][k] |
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90 for k, v in cfg.items('defaults'): |
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91 del cfg['defaults'][k] |
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92 |
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93 if trusted: |
8203 | 94 self._tcfg.update(cfg) |
95 self._tcfg.update(self._ocfg) | |
96 self._ucfg.update(cfg) | |
97 self._ucfg.update(self._ocfg) | |
8139 | 98 |
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99 if root is None: |
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100 root = os.path.expanduser('~') |
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101 self.fixconfig(root=root) |
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102 |
8197 | 103 def fixconfig(self, root=None): |
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104 # translate paths relative to root (or home) into absolute paths |
8197 | 105 root = root or os.getcwd() |
8203 | 106 for c in self._tcfg, self._ucfg, self._ocfg: |
8197 | 107 for n, p in c.items('paths'): |
108 if p and "://" not in p and not os.path.isabs(p): | |
109 c.set("paths", n, os.path.normpath(os.path.join(root, p))) | |
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110 |
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111 # update ui options |
8197 | 112 self.debugflag = self.configbool('ui', 'debug') |
113 self.verbose = self.debugflag or self.configbool('ui', 'verbose') | |
114 self.quiet = not self.debugflag and self.configbool('ui', 'quiet') | |
115 if self.verbose and self.quiet: | |
116 self.quiet = self.verbose = False | |
8204 | 117 self._reportuntrusted = self.configbool("ui", "report_untrusted", True) |
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118 self.tracebackflag = self.configbool('ui', 'traceback', False) |
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119 |
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120 # update trust information |
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121 self._trustusers.update(self.configlist('trusted', 'users')) |
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122 self._trustgroups.update(self.configlist('trusted', 'groups')) |
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123 |
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124 def setconfig(self, section, name, value): |
8203 | 125 for cfg in (self._ocfg, self._tcfg, self._ucfg): |
126 cfg.set(section, name, value) | |
8197 | 127 self.fixconfig() |
960 | 128 |
8199 | 129 def _data(self, untrusted): |
8203 | 130 return untrusted and self._ucfg or self._tcfg |
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131 |
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132 def configsource(self, section, name, untrusted=False): |
8199 | 133 return self._data(untrusted).source(section, name) or 'none' |
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134 |
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135 def config(self, section, name, default=None, untrusted=False): |
8199 | 136 value = self._data(untrusted).get(section, name, default) |
8204 | 137 if self.debugflag and not untrusted and self._reportuntrusted: |
8203 | 138 uvalue = self._ucfg.get(section, name) |
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139 if uvalue is not None and uvalue != value: |
8204 | 140 self.debug(_("ignoring untrusted configuration option " |
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141 "%s.%s = %s\n") % (section, name, uvalue)) |
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142 return value |
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143 |
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144 def configbool(self, section, name, default=False, untrusted=False): |
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145 v = self.config(section, name, None, untrusted) |
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146 if v is None: |
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147 return default |
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148 if isinstance(v, bool): |
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149 return v |
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150 if v.lower() not in _booleans: |
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151 raise error.ConfigError(_("%s.%s not a boolean ('%s')") |
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152 % (section, name, v)) |
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153 return _booleans[v.lower()] |
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154 |
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155 def configlist(self, section, name, default=None, untrusted=False): |
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156 """Return a list of comma/space separated strings""" |
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157 |
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158 def _parse_plain(parts, s, offset): |
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159 whitespace = False |
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160 while offset < len(s) and (s[offset].isspace() or s[offset] == ','): |
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161 whitespace = True |
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162 offset += 1 |
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163 if offset >= len(s): |
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164 return None, parts, offset |
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165 if whitespace: |
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166 parts.append('') |
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167 if s[offset] == '"' and not parts[-1]: |
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168 return _parse_quote, parts, offset + 1 |
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169 elif s[offset] == '"' and parts[-1][-1] == '\\': |
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170 parts[-1] = parts[-1][:-1] + s[offset] |
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171 return _parse_plain, parts, offset + 1 |
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172 parts[-1] += s[offset] |
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173 return _parse_plain, parts, offset + 1 |
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174 |
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175 def _parse_quote(parts, s, offset): |
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176 if offset < len(s) and s[offset] == '"': # "" |
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177 parts.append('') |
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178 offset += 1 |
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179 while offset < len(s) and (s[offset].isspace() or |
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180 s[offset] == ','): |
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181 offset += 1 |
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182 return _parse_plain, parts, offset |
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183 |
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184 while offset < len(s) and s[offset] != '"': |
11036 | 185 if (s[offset] == '\\' and offset + 1 < len(s) |
186 and s[offset + 1] == '"'): | |
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187 offset += 1 |
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188 parts[-1] += '"' |
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189 else: |
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190 parts[-1] += s[offset] |
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191 offset += 1 |
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192 |
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193 if offset >= len(s): |
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194 real_parts = _configlist(parts[-1]) |
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195 if not real_parts: |
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196 parts[-1] = '"' |
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197 else: |
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198 real_parts[0] = '"' + real_parts[0] |
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199 parts = parts[:-1] |
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200 parts.extend(real_parts) |
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201 return None, parts, offset |
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202 |
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203 offset += 1 |
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204 while offset < len(s) and s[offset] in [' ', ',']: |
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205 offset += 1 |
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206 |
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207 if offset < len(s): |
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208 if offset + 1 == len(s) and s[offset] == '"': |
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209 parts[-1] += '"' |
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210 offset += 1 |
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211 else: |
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212 parts.append('') |
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213 else: |
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214 return None, parts, offset |
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215 |
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216 return _parse_plain, parts, offset |
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217 |
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218 def _configlist(s): |
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219 s = s.rstrip(' ,') |
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220 if not s: |
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221 return None |
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222 parser, parts, offset = _parse_plain, [''], 0 |
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223 while parser: |
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224 parser, parts, offset = parser(parts, s, offset) |
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225 return parts |
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226 |
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227 result = self.config(section, name, untrusted=untrusted) |
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228 if result is None: |
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229 result = default or [] |
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230 if isinstance(result, basestring): |
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231 result = _configlist(result.lstrip(' ,\n')) |
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232 if result is None: |
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233 result = default or [] |
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234 return result |
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235 |
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236 def has_section(self, section, untrusted=False): |
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237 '''tell whether section exists in config.''' |
8199 | 238 return section in self._data(untrusted) |
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239 |
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240 def configitems(self, section, untrusted=False): |
8199 | 241 items = self._data(untrusted).items(section) |
8204 | 242 if self.debugflag and not untrusted and self._reportuntrusted: |
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243 for k, v in self._ucfg.items(section): |
8203 | 244 if self._tcfg.get(section, k) != v: |
8204 | 245 self.debug(_("ignoring untrusted configuration option " |
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246 "%s.%s = %s\n") % (section, k, v)) |
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247 return items |
285 | 248 |
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249 def walkconfig(self, untrusted=False): |
8203 | 250 cfg = self._data(untrusted) |
251 for section in cfg.sections(): | |
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252 for name, value in self.configitems(section, untrusted): |
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253 yield section, name, str(value).replace('\n', '\\n') |
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254 |
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255 def plain(self): |
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256 '''is plain mode active? |
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257 |
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258 Plain mode means that all configuration variables which affect the |
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259 behavior and output of Mercurial should be ignored. Additionally, the |
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260 output should be stable, reproducible and suitable for use in scripts or |
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261 applications. |
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262 |
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263 The only way to trigger plain mode is by setting the `HGPLAIN' |
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264 environment variable. |
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265 ''' |
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266 return 'HGPLAIN' in os.environ |
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267 |
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268 def username(self): |
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269 """Return default username to be used in commits. |
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270 |
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271 Searched in this order: $HGUSER, [ui] section of hgrcs, $EMAIL |
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272 and stop searching if one of these is set. |
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273 If not found and ui.askusername is True, ask the user, else use |
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274 ($LOGNAME or $USER or $LNAME or $USERNAME) + "@full.hostname". |
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275 """ |
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276 user = os.environ.get("HGUSER") |
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277 if user is None: |
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278 user = self.config("ui", "username") |
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279 if user is not None: |
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280 user = os.path.expandvars(user) |
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281 if user is None: |
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282 user = os.environ.get("EMAIL") |
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283 if user is None and self.configbool("ui", "askusername"): |
7600 | 284 user = self.prompt(_("enter a commit username:"), default=None) |
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285 if user is None and not self.interactive(): |
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286 try: |
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287 user = '%s@%s' % (util.getuser(), socket.getfqdn()) |
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288 self.warn(_("No username found, using '%s' instead\n") % user) |
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289 except KeyError: |
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290 pass |
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291 if not user: |
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292 raise util.Abort(_('no username supplied (see "hg help config")')) |
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293 if "\n" in user: |
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294 raise util.Abort(_("username %s contains a newline\n") % repr(user)) |
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295 return user |
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296 |
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297 def shortuser(self, user): |
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298 """Return a short representation of a user name or email address.""" |
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299 if not self.verbose: |
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300 user = util.shortuser(user) |
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301 return user |
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302 |
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303 def _path(self, loc): |
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304 p = self.config('paths', loc) |
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305 if p: |
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306 if '%%' in p: |
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307 self.warn("(deprecated '%%' in path %s=%s from %s)\n" % |
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308 (loc, p, self.configsource('paths', loc))) |
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309 p = p.replace('%%', '%') |
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310 p = util.expandpath(p) |
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311 return p |
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312 |
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313 def expandpath(self, loc, default=None): |
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314 """Return repository location relative to cwd or from [paths]""" |
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315 if "://" in loc or os.path.isdir(os.path.join(loc, '.hg')): |
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316 return loc |
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317 |
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318 path = self._path(loc) |
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319 if not path and default is not None: |
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320 path = self._path(default) |
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321 return path or loc |
506 | 322 |
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323 def pushbuffer(self): |
8202 | 324 self._buffers.append([]) |
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325 |
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326 def popbuffer(self, labeled=False): |
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327 '''pop the last buffer and return the buffered output |
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328 |
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329 If labeled is True, any labels associated with buffered |
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330 output will be handled. By default, this has no effect |
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331 on the output returned, but extensions and GUI tools may |
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332 handle this argument and returned styled output. If output |
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333 is being buffered so it can be captured and parsed or |
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334 processed, labeled should not be set to True. |
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335 ''' |
8202 | 336 return "".join(self._buffers.pop()) |
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337 |
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338 def write(self, *args, **opts): |
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339 '''write args to output |
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340 |
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341 By default, this method simply writes to the buffer or stdout, |
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342 but extensions or GUI tools may override this method, |
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343 write_err(), popbuffer(), and label() to style output from |
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344 various parts of hg. |
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345 |
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346 An optional keyword argument, "label", can be passed in. |
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347 This should be a string containing label names separated by |
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348 space. Label names take the form of "topic.type". For example, |
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349 ui.debug() issues a label of "ui.debug". |
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350 |
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351 When labeling output for a specific command, a label of |
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352 "cmdname.type" is recommended. For example, status issues |
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353 a label of "status.modified" for modified files. |
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354 ''' |
8202 | 355 if self._buffers: |
356 self._buffers[-1].extend([str(a) for a in args]) | |
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357 else: |
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358 for a in args: |
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359 sys.stdout.write(str(a)) |
565 | 360 |
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361 def write_err(self, *args, **opts): |
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0541768fa558
ignore EPIPE in ui.err_write
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362 try: |
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363 if not getattr(sys.stdout, 'closed', False): |
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364 sys.stdout.flush() |
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365 for a in args: |
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366 sys.stderr.write(str(a)) |
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367 # stderr may be buffered under win32 when redirected to files, |
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368 # including stdout. |
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369 if not getattr(sys.stderr, 'closed', False): |
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370 sys.stderr.flush() |
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|
371 except IOError, inst: |
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372 if inst.errno not in (errno.EPIPE, errno.EIO): |
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373 raise |
565 | 374 |
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|
375 def flush(self): |
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376 try: sys.stdout.flush() |
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377 except: pass |
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378 try: sys.stderr.flush() |
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379 except: pass |
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380 |
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381 def interactive(self): |
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382 '''is interactive input allowed? |
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383 |
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384 An interactive session is a session where input can be reasonably read |
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385 from `sys.stdin'. If this function returns false, any attempt to read |
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386 from stdin should fail with an error, unless a sensible default has been |
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387 specified. |
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388 |
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389 Interactiveness is triggered by the value of the `ui.interactive' |
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390 configuration variable or - if it is unset - when `sys.stdin' points |
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391 to a terminal device. |
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392 |
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393 This function refers to input only; for output, see `ui.formatted()'. |
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394 ''' |
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395 i = self.configbool("ui", "interactive", None) |
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396 if i is None: |
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397 try: |
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398 return sys.stdin.isatty() |
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399 except AttributeError: |
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400 # some environments replace stdin without implementing isatty |
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401 # usually those are non-interactive |
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402 return False |
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403 |
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404 return i |
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405 |
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406 def formatted(self): |
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407 '''should formatted output be used? |
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408 |
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409 It is often desirable to format the output to suite the output medium. |
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410 Examples of this are truncating long lines or colorizing messages. |
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411 However, this is not often not desirable when piping output into other |
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412 utilities, e.g. `grep'. |
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413 |
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414 Formatted output is triggered by the value of the `ui.formatted' |
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415 configuration variable or - if it is unset - when `sys.stdout' points |
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416 to a terminal device. Please note that `ui.formatted' should be |
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417 considered an implementation detail; it is not intended for use outside |
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418 Mercurial or its extensions. |
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419 |
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420 This function refers to output only; for input, see `ui.interactive()'. |
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421 This function always returns false when in plain mode, see `ui.plain()'. |
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422 ''' |
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423 if self.plain(): |
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424 return False |
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425 |
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426 i = self.configbool("ui", "formatted", None) |
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427 if i is None: |
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428 try: |
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429 return sys.stdout.isatty() |
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430 except AttributeError: |
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431 # some environments replace stdout without implementing isatty |
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432 # usually those are non-interactive |
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433 return False |
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434 |
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435 return i |
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436 |
5337
8c5ef3b87cb1
Don't try to determine interactivity if ui() called with interactive=False.
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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diff
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|
437 def _readline(self, prompt=''): |
8208
32a2a1e244f1
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438 if sys.stdin.isatty(): |
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ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents:
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diff
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|
439 try: |
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|
440 # magically add command line editing support, where |
ca0d02222d6a
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441 # available |
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442 import readline |
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443 # force demandimport to really load the module |
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444 readline.read_history_file |
7496
0a27d0db256d
issue1419: catch strange readline import error on windows
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parents:
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|
445 # windows sometimes raises something other than ImportError |
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446 except Exception: |
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447 pass |
5613
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Steve Borho <steve@borho.org>
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diff
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448 line = raw_input(prompt) |
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449 # When stdin is in binary mode on Windows, it can cause |
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450 # raw_input() to emit an extra trailing carriage return |
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451 if os.linesep == '\r\n' and line and line[-1] == '\r': |
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452 line = line[:-1] |
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453 return line |
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454 |
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455 def prompt(self, msg, default="y"): |
86b4a9b0ddda
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456 """Prompt user with msg, read response. |
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457 If ui is not interactive, the default is returned. |
5751 | 458 """ |
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459 if not self.interactive(): |
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01ada7b1861d
ui.prompt: Show prompt and selection in non-interactive mode
Mads Kiilerich <mads@kiilerich.com>
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8657
diff
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|
460 self.write(msg, ' ', default, "\n") |
7320
8dca507e56ce
ui: log non-interactive default response to stdout when verbose
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461 return default |
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462 try: |
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463 r = self._readline(msg + ' ') |
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464 if not r: |
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465 return default |
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466 return r |
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|
467 except EOFError: |
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|
468 raise util.Abort(_('response expected')) |
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469 |
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470 def promptchoice(self, msg, choices, default=0): |
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471 """Prompt user with msg, read response, and ensure it matches |
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472 one of the provided choices. The index of the choice is returned. |
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|
473 choices is a sequence of acceptable responses with the format: |
9312
c5f0825c1dbb
kill trailing whitespace
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
9153
diff
changeset
|
474 ('&None', 'E&xec', 'Sym&link') Responses are case insensitive. |
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475 If ui is not interactive, the default is returned. |
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ui: extract choice from prompt
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|
476 """ |
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ui: extract choice from prompt
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diff
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|
477 resps = [s[s.index('&')+1].lower() for s in choices] |
5671
b5605d88dc27
Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents:
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diff
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|
478 while True: |
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479 r = self.prompt(msg, resps[default]) |
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480 if r.lower() in resps: |
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481 return resps.index(r.lower()) |
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482 self.write(_("unrecognized response\n")) |
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diff
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|
483 |
2281
7761597b5da3
prompt user for http authentication info
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parents:
2206
diff
changeset
|
484 def getpass(self, prompt=None, default=None): |
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485 if not self.interactive(): |
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486 return default |
7798
57fee79e5588
catch CTRL-D at password prompt
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487 try: |
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catch CTRL-D at password prompt
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|
488 return getpass.getpass(prompt or _('password: ')) |
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489 except EOFError: |
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490 raise util.Abort(_('response expected')) |
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491 def status(self, *msg, **opts): |
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492 '''write status message to output (if ui.quiet is False) |
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493 |
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494 This adds an output label of "ui.status". |
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495 ''' |
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496 if not self.quiet: |
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497 opts['label'] = opts.get('label', '') + ' ui.status' |
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498 self.write(*msg, **opts) |
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499 def warn(self, *msg, **opts): |
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500 '''write warning message to output (stderr) |
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501 |
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502 This adds an output label of "ui.warning". |
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503 ''' |
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504 opts['label'] = opts.get('label', '') + ' ui.warning' |
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505 self.write_err(*msg, **opts) |
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diff
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|
506 def note(self, *msg, **opts): |
32b213b9b22c
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parents:
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diff
changeset
|
507 '''write note to output (if ui.verbose is True) |
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diff
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|
508 |
32b213b9b22c
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diff
changeset
|
509 This adds an output label of "ui.note". |
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510 ''' |
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many, many trivial check-code fixups
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511 if self.verbose: |
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512 opts['label'] = opts.get('label', '') + ' ui.note' |
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513 self.write(*msg, **opts) |
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514 def debug(self, *msg, **opts): |
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515 '''write debug message to output (if ui.debugflag is True) |
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516 |
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517 This adds an output label of "ui.debug". |
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518 ''' |
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519 if self.debugflag: |
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520 opts['label'] = opts.get('label', '') + ' ui.debug' |
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521 self.write(*msg, **opts) |
1983
ae12a81549a7
Pass correct username as $HGUSER to hgeditor if "commit -u" is used.
Thomas Arendsen Hein <thomas@intevation.de>
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522 def edit(self, text, user): |
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Use text rather than binary mode for editing commit messages
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523 (fd, name) = tempfile.mkstemp(prefix="hg-editor-", suffix=".txt", |
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524 text=True) |
1984
df7436f439a0
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525 try: |
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526 f = os.fdopen(fd, "w") |
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527 f.write(text) |
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528 f.close() |
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529 |
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530 editor = self.geteditor() |
207 | 531 |
1984
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532 util.system("%s \"%s\"" % (editor, name), |
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533 environ={'HGUSER': user}, |
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534 onerr=util.Abort, errprefix=_("edit failed")) |
608
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Add username/merge/editor to .hgrc
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535 |
1984
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536 f = open(name) |
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537 t = f.read() |
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538 f.close() |
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539 finally: |
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540 os.unlink(name) |
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Pass username to hgeditor, remove temporary file
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541 |
207 | 542 return t |
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move mail sending code into core, so extensions can share it.
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543 |
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544 def traceback(self, exc=None): |
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545 '''print exception traceback if traceback printing enabled. |
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546 only to call in exception handler. returns true if traceback |
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547 printed.''' |
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548 if self.tracebackflag: |
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549 if exc: |
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550 traceback.print_exception(exc[0], exc[1], exc[2]) |
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551 else: |
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552 traceback.print_exc() |
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553 return self.tracebackflag |
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554 |
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555 def geteditor(self): |
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556 '''return editor to use''' |
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557 return (os.environ.get("HGEDITOR") or |
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558 self.config("ui", "editor") or |
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559 os.environ.get("VISUAL") or |
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560 os.environ.get("EDITOR", "vi")) |
9153 | 561 |
562 def progress(self, topic, pos, item="", unit="", total=None): | |
563 '''show a progress message | |
564 | |
565 With stock hg, this is simply a debug message that is hidden | |
566 by default, but with extensions or GUI tools it may be | |
567 visible. 'topic' is the current operation, 'item' is a | |
568 non-numeric marker of the current position (ie the currently | |
569 in-process file), 'pos' is the current numeric position (ie | |
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570 revision, bytes, etc.), unit is a corresponding unit label, |
9153 | 571 and total is the highest expected pos. |
572 | |
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573 Multiple nested topics may be active at a time. |
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574 |
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575 All topics should be marked closed by setting pos to None at |
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576 termination. |
9153 | 577 ''' |
578 | |
579 if pos == None or not self.debugflag: | |
580 return | |
581 | |
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582 if unit: |
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583 unit = ' ' + unit |
9153 | 584 if item: |
585 item = ' ' + item | |
586 | |
587 if total: | |
588 pct = 100.0 * pos / total | |
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589 self.debug('%s:%s %s/%s%s (%4.2f%%)\n' |
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590 % (topic, item, pos, total, unit, pct)) |
9153 | 591 else: |
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Related to Issue919: ui.progress, apparently unused before now, is busted.
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592 self.debug('%s:%s %s%s\n' % (topic, item, pos, unit)) |
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593 |
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594 def label(self, msg, label): |
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595 '''style msg based on supplied label |
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596 |
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597 Like ui.write(), this just returns msg unchanged, but extensions |
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598 and GUI tools can override it to allow styling output without |
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599 writing it. |
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600 |
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601 ui.write(s, 'label') is equivalent to |
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602 ui.write(ui.label(s, 'label')). |
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603 ''' |
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604 return msg |