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annotate planemo/lib/python3.7/site-packages/docutils/transforms/frontmatter.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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1 # $Id: frontmatter.py 8389 2019-09-11 11:39:13Z milde $
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2 # Author: David Goodger, Ueli Schlaepfer <goodger@python.org>
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3 # Copyright: This module has been placed in the public domain.
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4
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5 """
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6 Transforms related to the front matter of a document or a section
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7 (information found before the main text):
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8
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9 - `DocTitle`: Used to transform a lone top level section's title to
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10 the document title, promote a remaining lone top-level section's
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11 title to the document subtitle, and determine the document's title
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12 metadata (document['title']) based on the document title and/or the
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13 "title" setting.
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14
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15 - `SectionSubTitle`: Used to transform a lone subsection into a
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16 subtitle.
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17
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18 - `DocInfo`: Used to transform a bibliographic field list into docinfo
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19 elements.
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20 """
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21
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22 __docformat__ = 'reStructuredText'
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23
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24 import re
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25 import sys
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26
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27 from docutils import nodes, utils
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28 from docutils.transforms import TransformError, Transform
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29
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30
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31 if sys.version_info >= (3, 0):
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32 unicode = str # noqa
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33
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34
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35 class TitlePromoter(Transform):
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36
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37 """
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38 Abstract base class for DocTitle and SectionSubTitle transforms.
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39 """
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40
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41 def promote_title(self, node):
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42 """
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43 Transform the following tree::
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44
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45 <node>
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46 <section>
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47 <title>
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48 ...
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49
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50 into ::
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51
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52 <node>
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53 <title>
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54 ...
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55
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56 `node` is normally a document.
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57 """
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58 # Type check
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59 if not isinstance(node, nodes.Element):
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60 raise TypeError('node must be of Element-derived type.')
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61
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62 # `node` must not have a title yet.
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63 assert not (len(node) and isinstance(node[0], nodes.title))
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64 section, index = self.candidate_index(node)
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65 if index is None:
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66 return False
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67
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68 # Transfer the section's attributes to the node:
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69 # NOTE: Change `replace` to False to NOT replace attributes that
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70 # already exist in node with those in section.
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71 # NOTE: Remove `and_source` to NOT copy the 'source'
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72 # attribute from section
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73 node.update_all_atts_concatenating(section, replace=True, and_source=True)
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74
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75 # setup_child is called automatically for all nodes.
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76 node[:] = (section[:1] # section title
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77 + node[:index] # everything that was in the
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78 # node before the section
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79 + section[1:]) # everything that was in the section
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80 assert isinstance(node[0], nodes.title)
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81 return True
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82
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83 def promote_subtitle(self, node):
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84 """
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85 Transform the following node tree::
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86
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87 <node>
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88 <title>
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89 <section>
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90 <title>
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91 ...
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92
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93 into ::
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94
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95 <node>
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96 <title>
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97 <subtitle>
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98 ...
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99 """
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100 # Type check
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101 if not isinstance(node, nodes.Element):
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102 raise TypeError('node must be of Element-derived type.')
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103
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104 subsection, index = self.candidate_index(node)
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105 if index is None:
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106 return False
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107 subtitle = nodes.subtitle()
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108
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109 # Transfer the subsection's attributes to the new subtitle
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110 # NOTE: Change `replace` to False to NOT replace attributes
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111 # that already exist in node with those in section.
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112 # NOTE: Remove `and_source` to NOT copy the 'source'
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113 # attribute from section.
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114 subtitle.update_all_atts_concatenating(subsection, replace=True, and_source=True)
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115
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116 # Transfer the contents of the subsection's title to the
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117 # subtitle:
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118 subtitle[:] = subsection[0][:]
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119 node[:] = (node[:1] # title
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120 + [subtitle]
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121 # everything that was before the section:
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122 + node[1:index]
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123 # everything that was in the subsection:
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124 + subsection[1:])
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125 return True
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126
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127 def candidate_index(self, node):
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128 """
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129 Find and return the promotion candidate and its index.
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130
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131 Return (None, None) if no valid candidate was found.
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132 """
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133 index = node.first_child_not_matching_class(
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134 nodes.PreBibliographic)
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135 if (index is None or len(node) > (index + 1)
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136 or not isinstance(node[index], nodes.section)):
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137 return None, None
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138 else:
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139 return node[index], index
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140
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141
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142 class DocTitle(TitlePromoter):
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143
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144 """
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145 In reStructuredText_, there is no way to specify a document title
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146 and subtitle explicitly. Instead, we can supply the document title
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147 (and possibly the subtitle as well) implicitly, and use this
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148 two-step transform to "raise" or "promote" the title(s) (and their
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149 corresponding section contents) to the document level.
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150
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151 1. If the document contains a single top-level section as its
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152 first non-comment element, the top-level section's title
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153 becomes the document's title, and the top-level section's
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154 contents become the document's immediate contents. The lone
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155 top-level section header must be the first non-comment element
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156 in the document.
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157
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158 For example, take this input text::
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159
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160 =================
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161 Top-Level Title
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162 =================
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163
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164 A paragraph.
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165
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166 Once parsed, it looks like this::
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167
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168 <document>
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169 <section names="top-level title">
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170 <title>
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171 Top-Level Title
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172 <paragraph>
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173 A paragraph.
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174
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175 After running the DocTitle transform, we have::
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176
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177 <document names="top-level title">
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178 <title>
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179 Top-Level Title
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180 <paragraph>
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181 A paragraph.
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182
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183 2. If step 1 successfully determines the document title, we
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184 continue by checking for a subtitle.
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185
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186 If the lone top-level section itself contains a single
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187 second-level section as its first non-comment element, that
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188 section's title is promoted to the document's subtitle, and
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189 that section's contents become the document's immediate
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190 contents. Given this input text::
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191
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192 =================
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193 Top-Level Title
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194 =================
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195
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196 Second-Level Title
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197 ~~~~~~~~~~~~~~~~~~
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198
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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199 A paragraph.
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200
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201 After parsing and running the Section Promotion transform, the
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202 result is::
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203
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204 <document names="top-level title">
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205 <title>
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206 Top-Level Title
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207 <subtitle names="second-level title">
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208 Second-Level Title
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209 <paragraph>
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210 A paragraph.
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211
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212 (Note that the implicit hyperlink target generated by the
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213 "Second-Level Title" is preserved on the "subtitle" element
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214 itself.)
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215
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216 Any comment elements occurring before the document title or
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217 subtitle are accumulated and inserted as the first body elements
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218 after the title(s).
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219
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220 This transform also sets the document's metadata title
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221 (document['title']).
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222
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223 .. _reStructuredText: http://docutils.sf.net/rst.html
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224 """
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225
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226 default_priority = 320
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227
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228 def set_metadata(self):
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229 """
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230 Set document['title'] metadata title from the following
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231 sources, listed in order of priority:
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232
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233 * Existing document['title'] attribute.
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234 * "title" setting.
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235 * Document title node (as promoted by promote_title).
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236 """
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237 if not self.document.hasattr('title'):
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238 if self.document.settings.title is not None:
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239 self.document['title'] = self.document.settings.title
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240 elif len(self.document) and isinstance(self.document[0], nodes.title):
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241 self.document['title'] = self.document[0].astext()
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242
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243 def apply(self):
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244 if getattr(self.document.settings, 'doctitle_xform', 1):
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245 # promote_(sub)title defined in TitlePromoter base class.
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246 if self.promote_title(self.document):
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247 # If a title has been promoted, also try to promote a
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248 # subtitle.
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249 self.promote_subtitle(self.document)
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250 # Set document['title'].
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251 self.set_metadata()
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252
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253
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254 class SectionSubTitle(TitlePromoter):
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255
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256 """
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257 This works like document subtitles, but for sections. For example, ::
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258
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259 <section>
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260 <title>
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261 Title
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262 <section>
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263 <title>
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264 Subtitle
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265 ...
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266
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267 is transformed into ::
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268
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269 <section>
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guerler
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270 <title>
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271 Title
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272 <subtitle>
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273 Subtitle
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274 ...
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275
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276 For details refer to the docstring of DocTitle.
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277 """
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278
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279 default_priority = 350
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280
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281 def apply(self):
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282 if not getattr(self.document.settings, 'sectsubtitle_xform', 1):
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283 return
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284 for section in self.document._traverse(nodes.section):
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285 # On our way through the node tree, we are modifying it
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286 # but only the not-yet-visited part, so that the iterator
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287 # returned by _traverse() is not corrupted.
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288 self.promote_subtitle(section)
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289
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290
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291 class DocInfo(Transform):
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292
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293 """
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294 This transform is specific to the reStructuredText_ markup syntax;
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295 see "Bibliographic Fields" in the `reStructuredText Markup
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296 Specification`_ for a high-level description. This transform
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297 should be run *after* the `DocTitle` transform.
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298
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299 Given a field list as the first non-comment element after the
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300 document title and subtitle (if present), registered bibliographic
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301 field names are transformed to the corresponding DTD elements,
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302 becoming child elements of the "docinfo" element (except for a
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303 dedication and/or an abstract, which become "topic" elements after
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304 "docinfo").
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305
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306 For example, given this document fragment after parsing::
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307
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308 <document>
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309 <title>
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310 Document Title
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311 <field_list>
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312 <field>
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313 <field_name>
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314 Author
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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315 <field_body>
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316 <paragraph>
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317 A. Name
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318 <field>
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319 <field_name>
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320 Status
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321 <field_body>
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322 <paragraph>
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323 $RCSfile$
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324 ...
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325
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326 After running the bibliographic field list transform, the
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327 resulting document tree would look like this::
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328
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329 <document>
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330 <title>
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331 Document Title
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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332 <docinfo>
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333 <author>
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334 A. Name
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335 <status>
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336 frontmatter.py
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337 ...
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338
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339 The "Status" field contained an expanded RCS keyword, which is
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340 normally (but optionally) cleaned up by the transform. The sole
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341 contents of the field body must be a paragraph containing an
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342 expanded RCS keyword of the form "$keyword: expansion text $". Any
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343 RCS keyword can be processed in any bibliographic field. The
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344 dollar signs and leading RCS keyword name are removed. Extra
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345 processing is done for the following RCS keywords:
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346
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347 - "RCSfile" expands to the name of the file in the RCS or CVS
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348 repository, which is the name of the source file with a ",v"
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349 suffix appended. The transform will remove the ",v" suffix.
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350
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351 - "Date" expands to the format "YYYY/MM/DD hh:mm:ss" (in the UTC
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352 time zone). The RCS Keywords transform will extract just the
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353 date itself and transform it to an ISO 8601 format date, as in
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354 "2000-12-31".
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355
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356 (Since the source file for this text is itself stored under CVS,
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357 we can't show an example of the "Date" RCS keyword because we
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358 can't prevent any RCS keywords used in this explanation from
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359 being expanded. Only the "RCSfile" keyword is stable; its
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360 expansion text changes only if the file name changes.)
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361
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362 .. _reStructuredText: http://docutils.sf.net/rst.html
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363 .. _reStructuredText Markup Specification:
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364 http://docutils.sf.net/docs/ref/rst/restructuredtext.html
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365 """
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366
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367 default_priority = 340
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368
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369 biblio_nodes = {
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370 'author': nodes.author,
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371 'authors': nodes.authors,
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372 'organization': nodes.organization,
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373 'address': nodes.address,
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374 'contact': nodes.contact,
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375 'version': nodes.version,
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376 'revision': nodes.revision,
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377 'status': nodes.status,
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378 'date': nodes.date,
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379 'copyright': nodes.copyright,
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380 'dedication': nodes.topic,
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381 'abstract': nodes.topic}
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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382 """Canonical field name (lowcased) to node class name mapping for
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383 bibliographic fields (field_list)."""
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384
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385 def apply(self):
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386 if not getattr(self.document.settings, 'docinfo_xform', 1):
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387 return
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388 document = self.document
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389 index = document.first_child_not_matching_class(
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390 nodes.PreBibliographic)
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391 if index is None:
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392 return
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393 candidate = document[index]
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394 if isinstance(candidate, nodes.field_list):
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395 biblioindex = document.first_child_not_matching_class(
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396 (nodes.Titular, nodes.Decorative))
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397 nodelist = self.extract_bibliographic(candidate)
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398 del document[index] # untransformed field list (candidate)
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399 document[biblioindex:biblioindex] = nodelist
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400
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401 def extract_bibliographic(self, field_list):
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402 docinfo = nodes.docinfo()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
403 bibliofields = self.language.bibliographic_fields
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
404 labels = self.language.labels
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
405 topics = {'dedication': None, 'abstract': None}
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
406 for field in field_list:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
407 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
408 name = field[0][0].astext()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
409 normedname = nodes.fully_normalize_name(name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
410 if not (len(field) == 2 and normedname in bibliofields
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
411 and self.check_empty_biblio_field(field, name)):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
412 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
413 canonical = bibliofields[normedname]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
414 biblioclass = self.biblio_nodes[canonical]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
415 if issubclass(biblioclass, nodes.TextElement):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
416 if not self.check_compound_biblio_field(field, name):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
417 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
418 utils.clean_rcs_keywords(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
419 field[1][0], self.rcs_keyword_substitutions)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
420 docinfo.append(biblioclass('', '', *field[1][0]))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
421 elif issubclass(biblioclass, nodes.authors):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
422 self.extract_authors(field, name, docinfo)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
423 elif issubclass(biblioclass, nodes.topic):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
424 if topics[canonical]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
425 field[-1] += self.document.reporter.warning(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
426 'There can only be one "%s" field.' % name,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
427 base_node=field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
428 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
429 title = nodes.title(name, labels[canonical])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
430 title[0].rawsource = labels[canonical]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
431 topics[canonical] = biblioclass(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
432 '', title, classes=[canonical], *field[1].children)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
433 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
434 docinfo.append(biblioclass('', *field[1].children))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
435 except TransformError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
436 if len(field[-1]) == 1 \
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
437 and isinstance(field[-1][0], nodes.paragraph):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
438 utils.clean_rcs_keywords(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
439 field[-1][0], self.rcs_keyword_substitutions)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
440 # if normedname not in bibliofields:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
441 classvalue = nodes.make_id(normedname)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
442 if classvalue:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
443 field['classes'].append(classvalue)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
444 docinfo.append(field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
445 nodelist = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
446 if len(docinfo) != 0:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
447 nodelist.append(docinfo)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
448 for name in ('dedication', 'abstract'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
449 if topics[name]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
450 nodelist.append(topics[name])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
451 return nodelist
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
452
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
453 def check_empty_biblio_field(self, field, name):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
454 if len(field[-1]) < 1:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
455 field[-1] += self.document.reporter.warning(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
456 'Cannot extract empty bibliographic field "%s".' % name,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
457 base_node=field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
458 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
459 return 1
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
460
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
461 def check_compound_biblio_field(self, field, name):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
462 if len(field[-1]) > 1:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
463 field[-1] += self.document.reporter.warning(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
464 'Cannot extract compound bibliographic field "%s".' % name,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
465 base_node=field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
466 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
467 if not isinstance(field[-1][0], nodes.paragraph):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
468 field[-1] += self.document.reporter.warning(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
469 'Cannot extract bibliographic field "%s" containing '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
470 'anything other than a single paragraph.' % name,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
471 base_node=field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
472 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
473 return 1
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
474
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
475 rcs_keyword_substitutions = [
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
476 (re.compile(r'\$' r'Date: (\d\d\d\d)[-/](\d\d)[-/](\d\d)[ T][\d:]+'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
477 r'[^$]* \$', re.IGNORECASE), r'\1-\2-\3'),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
478 (re.compile(r'\$' r'RCSfile: (.+),v \$', re.IGNORECASE), r'\1'),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
479 (re.compile(r'\$[a-zA-Z]+: (.+) \$'), r'\1'),]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
480
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
481 def extract_authors(self, field, name, docinfo):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
482 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
483 if len(field[1]) == 1:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
484 if isinstance(field[1][0], nodes.paragraph):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
485 authors = self.authors_from_one_paragraph(field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
486 elif isinstance(field[1][0], nodes.bullet_list):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
487 authors = self.authors_from_bullet_list(field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
488 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
489 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
490 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
491 authors = self.authors_from_paragraphs(field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
492 authornodes = [nodes.author('', '', *author)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
493 for author in authors if author]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
494 if len(authornodes) >= 1:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
495 docinfo.append(nodes.authors('', *authornodes))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
496 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
497 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
498 except TransformError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
499 field[-1] += self.document.reporter.warning(
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
500 'Bibliographic field "%s" incompatible with extraction: '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
501 'it must contain either a single paragraph (with authors '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
502 'separated by one of "%s"), multiple paragraphs (one per '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
503 'author), or a bullet list with one paragraph (one author) '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
504 'per item.'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
505 % (name, ''.join(self.language.author_separators)),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
506 base_node=field)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
507 raise
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
508
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
509 def authors_from_one_paragraph(self, field):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
510 """Return list of Text nodes for authornames.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
511
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
512 The set of separators is locale dependent (default: ";"- or ",").
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
513 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
514 # @@ keep original formatting? (e.g. ``:authors: A. Test, *et-al*``)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
515 text = ''.join(unicode(node)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
516 for node in field[1].traverse(nodes.Text))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
517 if not text:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
518 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
519 for authorsep in self.language.author_separators:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
520 # don't split at escaped `authorsep`:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
521 pattern = '(?<!\x00)%s' % authorsep
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
522 authornames = re.split(pattern, text)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
523 if len(authornames) > 1:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
524 break
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
525 authornames = (name.strip() for name in authornames)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
526 authors = [[nodes.Text(name, utils.unescape(name, True))]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
527 for name in authornames if name]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
528 return authors
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
529
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
530 def authors_from_bullet_list(self, field):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
531 authors = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
532 for item in field[1][0]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
533 if isinstance(item, nodes.comment):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
534 continue
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
535 if len(item) != 1 or not isinstance(item[0], nodes.paragraph):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
536 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
537 authors.append(item[0].children)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
538 if not authors:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
539 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
540 return authors
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
541
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
542 def authors_from_paragraphs(self, field):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
543 for item in field[1]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
544 if not isinstance(item, (nodes.paragraph, nodes.comment)):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
545 raise TransformError
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
546 authors = [item.children for item in field[1]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
547 if not isinstance(item, nodes.comment)]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
548 return authors