Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/formatter.py @ 29692:2f3f18ad55a2

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formatter: add function to convert date tuple to appropriate format
author Yuya Nishihara <yuya@tcha.org>
date Sun, 31 Jul 2016 17:07:29 +0900
parents c3a9cd78b151
children 4891f3b93182
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1 # formatter.py - generic output formatting for mercurial
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2 #
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3 # Copyright 2012 Matt Mackall <mpm@selenic.com>
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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 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import os
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11
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12 from .i18n import _
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13 from .node import (
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14 hex,
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15 short,
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16 )
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17
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18 from . import (
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19 encoding,
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20 error,
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21 templatekw,
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22 templater,
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23 util,
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24 )
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25
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26 pickle = util.pickle
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27
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28 class baseformatter(object):
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29 def __init__(self, ui, topic, opts):
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30 self._ui = ui
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31 self._topic = topic
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32 self._style = opts.get("style")
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33 self._template = opts.get("template")
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34 self._item = None
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35 # function to convert node to string suitable for this output
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36 self.hexfunc = hex
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37 def __nonzero__(self):
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38 '''return False if we're not doing real templating so we can
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39 skip extra work'''
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40 return True
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41 def _showitem(self):
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42 '''show a formatted item once all data is collected'''
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43 pass
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44 def startitem(self):
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45 '''begin an item in the format list'''
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46 if self._item is not None:
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47 self._showitem()
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48 self._item = {}
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49 @staticmethod
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50 def formatdate(date, fmt='%a %b %d %H:%M:%S %Y %1%2'):
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51 '''convert date tuple to appropriate format'''
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52 return date
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53 @staticmethod
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54 def formatlist(data, name, fmt='%s', sep=' '):
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55 '''convert iterable to appropriate list format'''
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56 return list(data)
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57 def data(self, **data):
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58 '''insert data into item that's not shown in default output'''
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59 self._item.update(data)
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60 def write(self, fields, deftext, *fielddata, **opts):
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61 '''do default text output while assigning data to item'''
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62 fieldkeys = fields.split()
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63 assert len(fieldkeys) == len(fielddata)
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64 self._item.update(zip(fieldkeys, fielddata))
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65 def condwrite(self, cond, fields, deftext, *fielddata, **opts):
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66 '''do conditional write (primarily for plain formatter)'''
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67 fieldkeys = fields.split()
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68 assert len(fieldkeys) == len(fielddata)
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69 self._item.update(zip(fieldkeys, fielddata))
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70 def plain(self, text, **opts):
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71 '''show raw text for non-templated mode'''
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72 pass
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73 def end(self):
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74 '''end output for the formatter'''
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75 if self._item is not None:
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76 self._showitem()
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77
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78 class plainformatter(baseformatter):
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79 '''the default text output scheme'''
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80 def __init__(self, ui, topic, opts):
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81 baseformatter.__init__(self, ui, topic, opts)
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82 if ui.debugflag:
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83 self.hexfunc = hex
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84 else:
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85 self.hexfunc = short
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86 def __nonzero__(self):
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87 return False
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88 def startitem(self):
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89 pass
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90 @staticmethod
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91 def formatdate(date, fmt='%a %b %d %H:%M:%S %Y %1%2'):
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92 '''stringify date tuple in the given format'''
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93 return util.datestr(date, fmt)
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94 @staticmethod
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95 def formatlist(data, name, fmt='%s', sep=' '):
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96 '''stringify iterable separated by sep'''
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97 return sep.join(fmt % e for e in data)
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98 def data(self, **data):
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99 pass
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100 def write(self, fields, deftext, *fielddata, **opts):
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101 self._ui.write(deftext % fielddata, **opts)
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102 def condwrite(self, cond, fields, deftext, *fielddata, **opts):
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103 '''do conditional write'''
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104 if cond:
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105 self._ui.write(deftext % fielddata, **opts)
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106 def plain(self, text, **opts):
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107 self._ui.write(text, **opts)
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108 def end(self):
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109 pass
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110
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111 class debugformatter(baseformatter):
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112 def __init__(self, ui, topic, opts):
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113 baseformatter.__init__(self, ui, topic, opts)
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114 self._ui.write("%s = [\n" % self._topic)
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115 def _showitem(self):
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116 self._ui.write(" " + repr(self._item) + ",\n")
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117 def end(self):
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118 baseformatter.end(self)
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119 self._ui.write("]\n")
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120
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121 class pickleformatter(baseformatter):
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122 def __init__(self, ui, topic, opts):
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123 baseformatter.__init__(self, ui, topic, opts)
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124 self._data = []
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125 def _showitem(self):
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126 self._data.append(self._item)
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127 def end(self):
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128 baseformatter.end(self)
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129 self._ui.write(pickle.dumps(self._data))
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130
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131 def _jsonifyobj(v):
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132 if isinstance(v, (list, tuple)):
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133 return '[' + ', '.join(_jsonifyobj(e) for e in v) + ']'
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134 elif v is None:
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135 return 'null'
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136 elif v is True:
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137 return 'true'
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138 elif v is False:
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139 return 'false'
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140 elif isinstance(v, (int, float)):
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141 return str(v)
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142 else:
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143 return '"%s"' % encoding.jsonescape(v)
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144
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145 class jsonformatter(baseformatter):
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146 def __init__(self, ui, topic, opts):
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147 baseformatter.__init__(self, ui, topic, opts)
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148 self._ui.write("[")
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149 self._ui._first = True
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150 def _showitem(self):
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151 if self._ui._first:
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152 self._ui._first = False
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153 else:
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154 self._ui.write(",")
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155
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156 self._ui.write("\n {\n")
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157 first = True
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158 for k, v in sorted(self._item.items()):
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159 if first:
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160 first = False
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161 else:
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162 self._ui.write(",\n")
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163 self._ui.write(' "%s": %s' % (k, _jsonifyobj(v)))
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164 self._ui.write("\n }")
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165 def end(self):
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166 baseformatter.end(self)
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167 self._ui.write("\n]\n")
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168
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169 class templateformatter(baseformatter):
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170 def __init__(self, ui, topic, opts):
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171 baseformatter.__init__(self, ui, topic, opts)
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172 self._topic = topic
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173 self._t = gettemplater(ui, topic, opts.get('template', ''))
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174 def _showitem(self):
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175 g = self._t(self._topic, ui=self._ui, **self._item)
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176 self._ui.write(templater.stringify(g))
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177 @staticmethod
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178 def formatlist(data, name, fmt='%s', sep=' '):
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179 '''build object that can be evaluated as either plain string or list'''
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180 # name is mandatory argument for now, but it could be optional if
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181 # we have default template keyword, e.g. {item}
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182 data = list(data)
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183 def f():
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184 yield plainformatter.formatlist(data, name, fmt, sep)
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185 return templatekw._hybrid(f(), data, lambda x: {name: x},
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186 lambda d: fmt % d[name])
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187
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188 def lookuptemplate(ui, topic, tmpl):
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189 # looks like a literal template?
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190 if '{' in tmpl:
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191 return tmpl, None
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192
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193 # perhaps a stock style?
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194 if not os.path.split(tmpl)[0]:
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195 mapname = (templater.templatepath('map-cmdline.' + tmpl)
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196 or templater.templatepath(tmpl))
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197 if mapname and os.path.isfile(mapname):
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198 return None, mapname
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199
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200 # perhaps it's a reference to [templates]
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201 t = ui.config('templates', tmpl)
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202 if t:
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203 return templater.unquotestring(t), None
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204
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205 if tmpl == 'list':
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206 ui.write(_("available styles: %s\n") % templater.stylelist())
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207 raise error.Abort(_("specify a template"))
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208
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209 # perhaps it's a path to a map or a template
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210 if ('/' in tmpl or '\\' in tmpl) and os.path.isfile(tmpl):
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211 # is it a mapfile for a style?
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212 if os.path.basename(tmpl).startswith("map-"):
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213 return None, os.path.realpath(tmpl)
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214 tmpl = open(tmpl).read()
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215 return tmpl, None
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216
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217 # constant string?
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218 return tmpl, None
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219
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220 def gettemplater(ui, topic, spec):
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221 tmpl, mapfile = lookuptemplate(ui, topic, spec)
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222 assert not (tmpl and mapfile)
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223 if mapfile:
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224 return templater.templater.frommapfile(mapfile)
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225 return maketemplater(ui, topic, tmpl)
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226
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227 def maketemplater(ui, topic, tmpl, filters=None, cache=None):
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228 """Create a templater from a string template 'tmpl'"""
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229 aliases = ui.configitems('templatealias')
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230 t = templater.templater(filters=filters, cache=cache, aliases=aliases)
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231 if tmpl:
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232 t.cache[topic] = tmpl
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233 return t
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234
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235 def formatter(ui, topic, opts):
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236 template = opts.get("template", "")
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237 if template == "json":
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238 return jsonformatter(ui, topic, opts)
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239 elif template == "pickle":
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240 return pickleformatter(ui, topic, opts)
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241 elif template == "debug":
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242 return debugformatter(ui, topic, opts)
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243 elif template != "":
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244 return templateformatter(ui, topic, opts)
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245 # developer config: ui.formatdebug
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246 elif ui.configbool('ui', 'formatdebug'):
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247 return debugformatter(ui, topic, opts)
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248 # deprecated config: ui.formatjson
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249 elif ui.configbool('ui', 'formatjson'):
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250 return jsonformatter(ui, topic, opts)
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251 return plainformatter(ui, topic, opts)