annotate rhodecode/lib/vcs/utils/annotate.py @ 2058:fb51a6fc10ae beta

updated CONTRIBUTORS - code garden
author Marcin Kuzminski <marcin@python-works.com>
date Tue, 28 Feb 2012 05:25:16 +0200
parents 324ac367a4da
children d7488551578e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2007
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1 from rhodecode.lib.vcs.exceptions import VCSError
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2 from rhodecode.lib.vcs.nodes import FileNode
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3 from pygments.formatters import HtmlFormatter
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4 from pygments import highlight
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5
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6 import StringIO
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7
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8
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9 def annotate_highlight(filenode, annotate_from_changeset_func=None,
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10 order=None, headers=None, **options):
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11 """
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12 Returns html portion containing annotated table with 3 columns: line
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13 numbers, changeset information and pygmentized line of code.
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14
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15 :param filenode: FileNode object
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16 :param annotate_from_changeset_func: function taking changeset and
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17 returning single annotate cell; needs break line at the end
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18 :param order: ordered sequence of ``ls`` (line numbers column),
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19 ``annotate`` (annotate column), ``code`` (code column); Default is
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20 ``['ls', 'annotate', 'code']``
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21 :param headers: dictionary with headers (keys are whats in ``order``
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22 parameter)
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23 """
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24 options['linenos'] = True
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25 formatter = AnnotateHtmlFormatter(filenode=filenode, order=order,
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26 headers=headers,
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27 annotate_from_changeset_func=annotate_from_changeset_func, **options)
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28 lexer = filenode.lexer
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29 highlighted = highlight(filenode.content, lexer, formatter)
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30 return highlighted
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31
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32
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33 class AnnotateHtmlFormatter(HtmlFormatter):
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34
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35 def __init__(self, filenode, annotate_from_changeset_func=None,
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36 order=None, **options):
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37 """
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38 If ``annotate_from_changeset_func`` is passed it should be a function
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39 which returns string from the given changeset. For example, we may pass
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40 following function as ``annotate_from_changeset_func``::
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41
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42 def changeset_to_anchor(changeset):
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43 return '<a href="/changesets/%s/">%s</a>\n' %\
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44 (changeset.id, changeset.id)
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45
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46 :param annotate_from_changeset_func: see above
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47 :param order: (default: ``['ls', 'annotate', 'code']``); order of
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48 columns;
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49 :param options: standard pygment's HtmlFormatter options, there is
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50 extra option tough, ``headers``. For instance we can pass::
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51
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52 formatter = AnnotateHtmlFormatter(filenode, headers={
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53 'ls': '#',
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54 'annotate': 'Annotate',
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55 'code': 'Code',
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56 })
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57
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58 """
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59 super(AnnotateHtmlFormatter, self).__init__(**options)
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60 self.annotate_from_changeset_func = annotate_from_changeset_func
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61 self.order = order or ('ls', 'annotate', 'code')
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62 headers = options.pop('headers', None)
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63 if headers and not ('ls' in headers and 'annotate' in headers and
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64 'code' in headers):
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65 raise ValueError("If headers option dict is specified it must "
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66 "all 'ls', 'annotate' and 'code' keys")
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67 self.headers = headers
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68 if isinstance(filenode, FileNode):
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69 self.filenode = filenode
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70 else:
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71 raise VCSError("This formatter expect FileNode parameter, not %r"
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72 % type(filenode))
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73
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74 def annotate_from_changeset(self, changeset):
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75 """
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76 Returns full html line for single changeset per annotated line.
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77 """
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78 if self.annotate_from_changeset_func:
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79 return self.annotate_from_changeset_func(changeset)
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80 else:
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81 return ''.join((changeset.id, '\n'))
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82
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83 def _wrap_tablelinenos(self, inner):
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84 dummyoutfile = StringIO.StringIO()
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85 lncount = 0
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86 for t, line in inner:
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87 if t:
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88 lncount += 1
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89 dummyoutfile.write(line)
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90
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91 fl = self.linenostart
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92 mw = len(str(lncount + fl - 1))
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93 sp = self.linenospecial
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94 st = self.linenostep
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95 la = self.lineanchors
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96 aln = self.anchorlinenos
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97 if sp:
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98 lines = []
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99
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100 for i in range(fl, fl + lncount):
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101 if i % st == 0:
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102 if i % sp == 0:
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103 if aln:
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104 lines.append('<a href="#%s-%d" class="special">'
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105 '%*d</a>' %
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106 (la, i, mw, i))
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107 else:
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108 lines.append('<span class="special">'
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109 '%*d</span>' % (mw, i))
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110 else:
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111 if aln:
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112 lines.append('<a href="#%s-%d">'
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113 '%*d</a>' % (la, i, mw, i))
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114 else:
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115 lines.append('%*d' % (mw, i))
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116 else:
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117 lines.append('')
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118 ls = '\n'.join(lines)
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119 else:
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120 lines = []
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121 for i in range(fl, fl + lncount):
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122 if i % st == 0:
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123 if aln:
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124 lines.append('<a href="#%s-%d">%*d</a>' \
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125 % (la, i, mw, i))
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126 else:
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127 lines.append('%*d' % (mw, i))
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128 else:
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129 lines.append('')
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130 ls = '\n'.join(lines)
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131
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132 annotate_changesets = [tup[1] for tup in self.filenode.annotate]
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133 # If pygments cropped last lines break we need do that too
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134 ln_cs = len(annotate_changesets)
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135 ln_ = len(ls.splitlines())
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136 if ln_cs > ln_:
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137 annotate_changesets = annotate_changesets[:ln_ - ln_cs]
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138 annotate = ''.join((self.annotate_from_changeset(changeset)
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139 for changeset in annotate_changesets))
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140 # in case you wonder about the seemingly redundant <div> here:
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141 # since the content in the other cell also is wrapped in a div,
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142 # some browsers in some configurations seem to mess up the formatting.
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143 '''
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144 yield 0, ('<table class="%stable">' % self.cssclass +
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145 '<tr><td class="linenos"><div class="linenodiv"><pre>' +
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146 ls + '</pre></div></td>' +
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147 '<td class="code">')
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148 yield 0, dummyoutfile.getvalue()
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149 yield 0, '</td></tr></table>'
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150
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151 '''
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152 headers_row = []
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153 if self.headers:
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154 headers_row = ['<tr class="annotate-header">']
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155 for key in self.order:
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156 td = ''.join(('<td>', self.headers[key], '</td>'))
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157 headers_row.append(td)
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158 headers_row.append('</tr>')
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159
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160 body_row_start = ['<tr>']
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161 for key in self.order:
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162 if key == 'ls':
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163 body_row_start.append(
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164 '<td class="linenos"><div class="linenodiv"><pre>' +
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165 ls + '</pre></div></td>')
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166 elif key == 'annotate':
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167 body_row_start.append(
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168 '<td class="annotate"><div class="annotatediv"><pre>' +
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169 annotate + '</pre></div></td>')
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170 elif key == 'code':
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171 body_row_start.append('<td class="code">')
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172 yield 0, ('<table class="%stable">' % self.cssclass +
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173 ''.join(headers_row) +
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174 ''.join(body_row_start)
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175 )
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176 yield 0, dummyoutfile.getvalue()
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177 yield 0, '</td></tr></table>'