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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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1 # $Id: examples.py 7320 2012-01-19 22:33:02Z 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 This module contains practical examples of Docutils client code.
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7
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8 Importing this module from client code is not recommended; its contents are
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9 subject to change in future Docutils releases. Instead, it is recommended
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10 that you copy and paste the parts you need into your own code, modifying as
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11 necessary.
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12 """
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13
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14 from docutils import core, io
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15
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16
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17 def html_parts(input_string, source_path=None, destination_path=None,
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18 input_encoding='unicode', doctitle=True,
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19 initial_header_level=1):
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20 """
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21 Given an input string, returns a dictionary of HTML document parts.
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22
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23 Dictionary keys are the names of parts, and values are Unicode strings;
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24 encoding is up to the client.
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25
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26 Parameters:
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27
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28 - `input_string`: A multi-line text string; required.
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29 - `source_path`: Path to the source file or object. Optional, but useful
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30 for diagnostic output (system messages).
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31 - `destination_path`: Path to the file or object which will receive the
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32 output; optional. Used for determining relative paths (stylesheets,
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33 source links, etc.).
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34 - `input_encoding`: The encoding of `input_string`. If it is an encoded
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35 8-bit string, provide the correct encoding. If it is a Unicode string,
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36 use "unicode", the default.
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37 - `doctitle`: Disable the promotion of a lone top-level section title to
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38 document title (and subsequent section title to document subtitle
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39 promotion); enabled by default.
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40 - `initial_header_level`: The initial level for header elements (e.g. 1
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41 for "<h1>").
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42 """
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43 overrides = {'input_encoding': input_encoding,
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44 'doctitle_xform': doctitle,
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45 'initial_header_level': initial_header_level}
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46 parts = core.publish_parts(
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47 source=input_string, source_path=source_path,
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48 destination_path=destination_path,
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49 writer_name='html', settings_overrides=overrides)
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50 return parts
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51
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52 def html_body(input_string, source_path=None, destination_path=None,
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53 input_encoding='unicode', output_encoding='unicode',
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54 doctitle=True, initial_header_level=1):
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55 """
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56 Given an input string, returns an HTML fragment as a string.
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57
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58 The return value is the contents of the <body> element.
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59
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60 Parameters (see `html_parts()` for the remainder):
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61
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62 - `output_encoding`: The desired encoding of the output. If a Unicode
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63 string is desired, use the default value of "unicode" .
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64 """
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65 parts = html_parts(
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66 input_string=input_string, source_path=source_path,
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67 destination_path=destination_path,
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68 input_encoding=input_encoding, doctitle=doctitle,
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69 initial_header_level=initial_header_level)
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70 fragment = parts['html_body']
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71 if output_encoding != 'unicode':
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72 fragment = fragment.encode(output_encoding)
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73 return fragment
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74
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75 def internals(input_string, source_path=None, destination_path=None,
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76 input_encoding='unicode', settings_overrides=None):
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77 """
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78 Return the document tree and publisher, for exploring Docutils internals.
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79
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80 Parameters: see `html_parts()`.
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81 """
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82 if settings_overrides:
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83 overrides = settings_overrides.copy()
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84 else:
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85 overrides = {}
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86 overrides['input_encoding'] = input_encoding
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87 output, pub = core.publish_programmatically(
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88 source_class=io.StringInput, source=input_string,
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89 source_path=source_path,
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90 destination_class=io.NullOutput, destination=None,
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91 destination_path=destination_path,
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92 reader=None, reader_name='standalone',
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93 parser=None, parser_name='restructuredtext',
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94 writer=None, writer_name='null',
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95 settings=None, settings_spec=None, settings_overrides=overrides,
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96 config_section=None, enable_exit_status=None)
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97 return pub.writer.document, pub