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annotate planemo/lib/python3.7/site-packages/docutils/parsers/rst/directives/html.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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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # $Id: html.py 8347 2019-08-26 12:12:02Z milde $
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2 # Author: David Goodger <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 Directives for typically HTML-specific constructs.
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7 """
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8
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9 __docformat__ = 'reStructuredText'
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10
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11 import sys
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12 from docutils import nodes, utils
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13 from docutils.parsers.rst import Directive
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14 from docutils.parsers.rst import states
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15 from docutils.transforms import components
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16
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17
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18 class MetaBody(states.SpecializedBody):
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19
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20 class meta(nodes.Special, nodes.PreBibliographic, nodes.Element):
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21 """HTML-specific "meta" element."""
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22 pass
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23
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24 def field_marker(self, match, context, next_state):
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25 """Meta element."""
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26 node, blank_finish = self.parsemeta(match)
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27 self.parent += node
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28 return [], next_state, []
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29
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30 def parsemeta(self, match):
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31 name = self.parse_field_marker(match)
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32 name = utils.unescape(utils.escape2null(name))
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33 indented, indent, line_offset, blank_finish = \
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34 self.state_machine.get_first_known_indented(match.end())
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35 node = self.meta()
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36 pending = nodes.pending(components.Filter,
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37 {'component': 'writer',
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38 'format': 'html',
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39 'nodes': [node]})
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40 node['content'] = utils.unescape(utils.escape2null(
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41 ' '.join(indented)))
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42 if not indented:
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43 line = self.state_machine.line
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44 msg = self.reporter.info(
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45 'No content for meta tag "%s".' % name,
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46 nodes.literal_block(line, line))
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47 return msg, blank_finish
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48 tokens = name.split()
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49 try:
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50 attname, val = utils.extract_name_value(tokens[0])[0]
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51 node[attname.lower()] = val
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52 except utils.NameValueError:
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53 node['name'] = tokens[0]
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54 for token in tokens[1:]:
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55 try:
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56 attname, val = utils.extract_name_value(token)[0]
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57 node[attname.lower()] = val
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58 except utils.NameValueError as detail:
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59 line = self.state_machine.line
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60 msg = self.reporter.error(
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61 'Error parsing meta tag attribute "%s": %s.'
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62 % (token, detail), nodes.literal_block(line, line))
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63 return msg, blank_finish
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64 self.document.note_pending(pending)
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65 return pending, blank_finish
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66
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67
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68 class Meta(Directive):
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69
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70 has_content = True
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71
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72 SMkwargs = {'state_classes': (MetaBody,)}
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73
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74 def run(self):
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75 self.assert_has_content()
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76 node = nodes.Element()
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77 new_line_offset, blank_finish = self.state.nested_list_parse(
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78 self.content, self.content_offset, node,
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79 initial_state='MetaBody', blank_finish=True,
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80 state_machine_kwargs=self.SMkwargs)
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81 if (new_line_offset - self.content_offset) != len(self.content):
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82 # incomplete parse of block?
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83 error = self.state_machine.reporter.error(
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84 'Invalid meta directive.',
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85 nodes.literal_block(self.block_text, self.block_text),
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86 line=self.lineno)
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87 node += error
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88 return node.children