Mercurial > kallithea

annotate rhodecode/lib/annotate.py @ 4147:1c8f818787b3 rhodecode-2.2.5-gpl

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author Mads Kiilerich <madski@unity3d.com>
date Wed, 02 Jul 2014 19:03:23 -0400
parents ffd45b185016
children 7e5f8c12a3fc
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1 # -*- coding: utf-8 -*-
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2 # This program is free software: you can redistribute it and/or modify
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3 # it under the terms of the GNU General Public License as published by
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4 # the Free Software Foundation, either version 3 of the License, or
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5 # (at your option) any later version.
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6 #
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7 # This program is distributed in the hope that it will be useful,
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8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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10 # GNU General Public License for more details.
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11 #
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12 # You should have received a copy of the GNU General Public License
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13 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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14 """
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15 rhodecode.lib.annotate
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16 ~~~~~~~~~~~~~~~~~~~~~~
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17
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18 Anontation library for usage in rhodecode, previously part of vcs
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19
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20 :created_on: Dec 4, 2011
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21 :author: marcink
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22 :copyright: (c) 2013 RhodeCode GmbH.
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23 :license: GPLv3, see LICENSE for more details.
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24 """
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25
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26 import StringIO
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27
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28 from rhodecode.lib.vcs.exceptions import VCSError
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29 from rhodecode.lib.vcs.nodes import FileNode
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30 from pygments.formatters import HtmlFormatter
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31 from pygments import highlight
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32
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33
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34 def annotate_highlight(filenode, annotate_from_changeset_func=None,
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35 order=None, headers=None, **options):
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36 """
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37 Returns html portion containing annotated table with 3 columns: line
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38 numbers, changeset information and pygmentized line of code.
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39
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40 :param filenode: FileNode object
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41 :param annotate_from_changeset_func: function taking changeset and
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42 returning single annotate cell; needs break line at the end
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43 :param order: ordered sequence of ``ls`` (line numbers column),
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44 ``annotate`` (annotate column), ``code`` (code column); Default is
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45 ``['ls', 'annotate', 'code']``
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46 :param headers: dictionary with headers (keys are whats in ``order``
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47 parameter)
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48 """
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49 from rhodecode.lib.utils import get_custom_lexer
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50 options['linenos'] = True
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51 formatter = AnnotateHtmlFormatter(filenode=filenode, order=order,
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52 headers=headers,
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53 annotate_from_changeset_func=annotate_from_changeset_func, **options)
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54 lexer = get_custom_lexer(filenode.extension) or filenode.lexer
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55 highlighted = highlight(filenode.content, lexer, formatter)
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56 return highlighted
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57
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58
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59 class AnnotateHtmlFormatter(HtmlFormatter):
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60
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61 def __init__(self, filenode, annotate_from_changeset_func=None,
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62 order=None, **options):
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63 """
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64 If ``annotate_from_changeset_func`` is passed it should be a function
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65 which returns string from the given changeset. For example, we may pass
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66 following function as ``annotate_from_changeset_func``::
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67
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68 def changeset_to_anchor(changeset):
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69 return '<a href="/changesets/%s/">%s</a>\n' %\
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70 (changeset.id, changeset.id)
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71
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72 :param annotate_from_changeset_func: see above
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73 :param order: (default: ``['ls', 'annotate', 'code']``); order of
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74 columns;
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75 :param options: standard pygment's HtmlFormatter options, there is
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76 extra option tough, ``headers``. For instance we can pass::
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77
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78 formatter = AnnotateHtmlFormatter(filenode, headers={
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79 'ls': '#',
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80 'annotate': 'Annotate',
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81 'code': 'Code',
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82 })
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83
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84 """
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85 super(AnnotateHtmlFormatter, self).__init__(**options)
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86 self.annotate_from_changeset_func = annotate_from_changeset_func
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87 self.order = order or ('ls', 'annotate', 'code')
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88 headers = options.pop('headers', None)
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89 if headers and not ('ls' in headers and 'annotate' in headers and
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90 'code' in headers):
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91 raise ValueError("If headers option dict is specified it must "
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92 "all 'ls', 'annotate' and 'code' keys")
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93 self.headers = headers
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94 if isinstance(filenode, FileNode):
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95 self.filenode = filenode
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96 else:
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97 raise VCSError("This formatter expect FileNode parameter, not %r"
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98 % type(filenode))
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99
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100 def annotate_from_changeset(self, changeset):
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101 """
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102 Returns full html line for single changeset per annotated line.
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103 """
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104 if self.annotate_from_changeset_func:
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105 return self.annotate_from_changeset_func(changeset)
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106 else:
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107 return ''.join((changeset.id, '\n'))
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108
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109 def _wrap_tablelinenos(self, inner):
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110 dummyoutfile = StringIO.StringIO()
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111 lncount = 0
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112 for t, line in inner:
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113 if t:
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114 lncount += 1
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115 dummyoutfile.write(line)
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116
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117 fl = self.linenostart
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118 mw = len(str(lncount + fl - 1))
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119 sp = self.linenospecial
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120 st = self.linenostep
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121 la = self.lineanchors
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122 aln = self.anchorlinenos
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123 if sp:
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124 lines = []
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125
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126 for i in range(fl, fl + lncount):
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127 if i % st == 0:
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128 if i % sp == 0:
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129 if aln:
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130 lines.append('<a href="#%s-%d" class="special">'
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131 '%*d</a>' %
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132 (la, i, mw, i))
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133 else:
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134 lines.append('<span class="special">'
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135 '%*d</span>' % (mw, i))
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136 else:
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137 if aln:
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138 lines.append('<a href="#%s-%d">'
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139 '%*d</a>' % (la, i, mw, i))
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140 else:
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141 lines.append('%*d' % (mw, i))
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142 else:
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143 lines.append('')
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144 ls = '\n'.join(lines)
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145 else:
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146 lines = []
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147 for i in range(fl, fl + lncount):
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148 if i % st == 0:
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149 if aln:
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150 lines.append('<a href="#%s-%d">%*d</a>' \
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151 % (la, i, mw, i))
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152 else:
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153 lines.append('%*d' % (mw, i))
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154 else:
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155 lines.append('')
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156 ls = '\n'.join(lines)
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157
3044
c57a37430dc9 fixes #652 switch to generator approach when doing file annotation to prevent huge memory consumption when executed on large files. Thanks to ALexey Larikov for patch.
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parents: 2007
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158 # annotate_changesets = [tup[1] for tup in self.filenode.annotate]
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parents: 2007
diff changeset
159 ## TODO: not sure what that fixes
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diff changeset
160 # # If pygments cropped last lines break we need do that too
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parents: 2007
diff changeset
161 # ln_cs = len(annotate_changesets)
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parents: 2007
diff changeset
162 # ln_ = len(ls.splitlines())
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parents: 2007
diff changeset
163 # if ln_cs > ln_:
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parents: 2007
diff changeset
164 # annotate_changesets = annotate_changesets[:ln_ - ln_cs]
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parents: 2007
diff changeset
165 annotate = ''.join((self.annotate_from_changeset(el[2]())
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parents: 2007
diff changeset
166 for el in self.filenode.annotate))
1753
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167 # in case you wonder about the seemingly redundant <div> here:
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parents:
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168 # since the content in the other cell also is wrapped in a div,
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parents:
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169 # some browsers in some configurations seem to mess up the formatting.
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170 '''
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171 yield 0, ('<table class="%stable">' % self.cssclass +
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172 '<tr><td class="linenos"><div class="linenodiv"><pre>' +
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173 ls + '</pre></div></td>' +
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parents:
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174 '<td class="code">')
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diff changeset
175 yield 0, dummyoutfile.getvalue()
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parents:
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176 yield 0, '</td></tr></table>'
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parents:
diff changeset
177
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178 '''
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179 headers_row = []
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180 if self.headers:
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181 headers_row = ['<tr class="annotate-header">']
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diff changeset
182 for key in self.order:
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parents:
diff changeset
183 td = ''.join(('<td>', self.headers[key], '</td>'))
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parents:
diff changeset
184 headers_row.append(td)
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parents:
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185 headers_row.append('</tr>')
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parents:
diff changeset
186
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187 body_row_start = ['<tr>']
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parents:
diff changeset
188 for key in self.order:
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff changeset
189 if key == 'ls':
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parents:
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190 body_row_start.append(
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parents:
diff changeset
191 '<td class="linenos"><div class="linenodiv"><pre>' +
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parents:
diff changeset
192 ls + '</pre></div></td>')
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff changeset
193 elif key == 'annotate':
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parents:
diff changeset
194 body_row_start.append(
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parents:
diff changeset
195 '<td class="annotate"><div class="annotatediv"><pre>' +
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parents:
diff changeset
196 annotate + '</pre></div></td>')
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff changeset
197 elif key == 'code':
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parents:
diff changeset
198 body_row_start.append('<td class="code">')
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parents:
diff changeset
199 yield 0, ('<table class="%stable">' % self.cssclass +
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parents:
diff changeset
200 ''.join(headers_row) +
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parents:
diff changeset
201 ''.join(body_row_start)
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff changeset
202 )
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parents:
diff changeset
203 yield 0, dummyoutfile.getvalue()
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff changeset
204 yield 0, '</td></tr></table>'