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annotate planemo/lib/python3.7/site-packages/mistune-0.8.4.dist-info/DESCRIPTION.rst @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1
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1 Mistune
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2 =======
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3
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4 The fastest markdown parser in pure Python with renderer features,
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5 inspired by marked_.
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6
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7 .. image:: https://img.shields.io/badge/donate-lepture-green.svg
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8 :target: https://lepture.com/donate
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9 :alt: Donate lepture
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10 .. image:: https://img.shields.io/pypi/wheel/mistune.svg?style=flat
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11 :target: https://pypi.python.org/pypi/mistune/
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12 :alt: Wheel Status
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13 .. image:: https://anaconda.org/conda-forge/mistune/badges/version.svg
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14 :target: https://anaconda.org/conda-forge/mistune
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15 :alt: Conda Version
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16 .. image:: https://img.shields.io/pypi/v/mistune.svg
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17 :target: https://pypi.python.org/pypi/mistune/
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18 :alt: Latest Version
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19 .. image:: https://travis-ci.org/lepture/mistune.svg?branch=master
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20 :target: https://travis-ci.org/lepture/mistune
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21 :alt: Travis CI Status
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22 .. image:: https://coveralls.io/repos/lepture/mistune/badge.svg?branch=master
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23 :target: https://coveralls.io/r/lepture/mistune
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24 :alt: Coverage Status
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25 .. image:: https://ci.appveyor.com/api/projects/status/8ai8tfwp75oela17?svg=true
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26 :target: https://ci.appveyor.com/project/lepture/mistune
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27 :alt: App Veyor CI Status
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28
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29 .. _marked: https://github.com/chjj/marked
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31
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32 Features
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33 --------
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34
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35 * **Pure Python**. Tested in Python 2.7, Python 3.5+ and PyPy.
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36 * **Very Fast**. It is the fastest in all **pure Python** markdown parsers.
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37 * **More Features**. Table, footnotes, autolink, fenced code etc.
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38
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39 View the `benchmark results <https://github.com/lepture/mistune/issues/1>`_.
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40
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41 Installation
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42 ------------
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43
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44 Installing mistune with pip::
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45
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46 $ pip install mistune
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47
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48
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49 Mistune can be faster, if you compile with cython::
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50
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51 $ pip install cython mistune
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52
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53
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54 Basic Usage
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55 -----------
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56
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57 A simple API that render a markdown formatted text:
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58
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59 .. code:: python
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60
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61 import mistune
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62
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63 mistune.markdown('I am using **mistune markdown parser**')
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64 # output: <p>I am using <strong>mistune markdown parser</strong></p>
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65
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66 If you care about performance, it is better to re-use the Markdown instance:
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67
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68 .. code:: python
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69
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70 import mistune
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71
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72 markdown = mistune.Markdown()
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73 markdown('I am using **mistune markdown parser**')
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74
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75 Mistune has enabled all features by default. You don't have to configure
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76 anything. But there are options for you to change the parser behaviors.
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77
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78
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79 Options
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80 -------
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81
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82 Here is a list of all options that will affect the rendering results,
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83 configure them with ``mistune.Renderer``:
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84
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85 .. code:: python
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86
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87 renderer = mistune.Renderer(escape=True, hard_wrap=True)
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88 # use this renderer instance
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89 markdown = mistune.Markdown(renderer=renderer)
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90 markdown(text)
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91
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92 * **escape**: if set to *False*, all raw html tags will not be escaped.
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93 * **hard_wrap**: if set to *True*, it will has GFM line breaks feature.
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94 All new lines will be replaced with ``<br>`` tag
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95 * **use_xhtml**: if set to *True*, all tags will be in xhtml, for example: ``<hr />``.
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96 * **parse_block_html**: parse text only in block level html.
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97 * **parse_inline_html**: parse text only in inline level html.
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98
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99 When using the default renderer, you can use one of the following shortcuts::
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100
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101 mistune.markdown(text, escape=True, hard_wrap=True)
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102
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103 markdown = mistune.Markdown(escape=True, hard_wrap=True)
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104 markdown(text)
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105
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106
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107 Renderer
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108 --------
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109
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110 Like misaka/sundown, you can influence the rendering by custom renderers.
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111 All you need to do is subclassing a `Renderer` class.
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112
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113 Here is an example of code highlighting:
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114
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115 .. code:: python
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116
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117 import mistune
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118 from pygments import highlight
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119 from pygments.lexers import get_lexer_by_name
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120 from pygments.formatters import html
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121
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122 class HighlightRenderer(mistune.Renderer):
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123 def block_code(self, code, lang):
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124 if not lang:
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125 return '\n<pre><code>%s</code></pre>\n' % \
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126 mistune.escape(code)
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127 lexer = get_lexer_by_name(lang, stripall=True)
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128 formatter = html.HtmlFormatter()
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129 return highlight(code, lexer, formatter)
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130
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131 renderer = HighlightRenderer()
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132 markdown = mistune.Markdown(renderer=renderer)
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133 print(markdown('```python\nassert 1 == 1\n```'))
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134
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135 Find more renderers in `mistune-contrib`_.
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136
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137 Block Level
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138 ~~~~~~~~~~~
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139
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140 Here is a list of block level renderer API::
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141
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142 block_code(code, language=None)
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143 block_quote(text)
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144 block_html(html)
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145 header(text, level, raw=None)
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146 hrule()
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147 list(body, ordered=True)
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148 list_item(text)
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149 paragraph(text)
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150 table(header, body)
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151 table_row(content)
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152 table_cell(content, **flags)
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153
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154 The *flags* tells you whether it is header with ``flags['header']``. And it
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155 also tells you the align with ``flags['align']``.
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156
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157
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158 Span Level
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159 ~~~~~~~~~~
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160
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161 Here is a list of span level renderer API::
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162
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163 autolink(link, is_email=False)
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164 codespan(text)
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165 double_emphasis(text)
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166 emphasis(text)
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167 image(src, title, alt_text)
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168 linebreak()
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169 newline()
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170 link(link, title, content)
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171 strikethrough(text)
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172 text(text)
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173 inline_html(text)
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174
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175 Footnotes
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176 ~~~~~~~~~
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177
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178 Here is a list of renderers related to footnotes::
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179
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180 footnote_ref(key, index)
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181 footnote_item(key, text)
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182 footnotes(text)
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183
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184 Lexers
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185 ------
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186
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187 Sometimes you want to add your own rules to Markdown, such as GitHub Wiki
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188 links. You can't achieve this goal with renderers. You will need to deal
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189 with the lexers, it would be a little difficult for the first time.
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190
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191 We will take an example for GitHub Wiki links: ``[[Page 2|Page 2]]``.
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192 It is an inline grammar, which requires custom ``InlineGrammar`` and
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193 ``InlineLexer``:
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194
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195 .. code:: python
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196
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197 import copy,re
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198 from mistune import Renderer, InlineGrammar, InlineLexer
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199
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200 class WikiLinkRenderer(Renderer):
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201 def wiki_link(self, alt, link):
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202 return '<a href="%s">%s</a>' % (link, alt)
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203
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204 class WikiLinkInlineLexer(InlineLexer):
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205 def enable_wiki_link(self):
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206 # add wiki_link rules
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207 self.rules.wiki_link = re.compile(
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208 r'\[\[' # [[
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209 r'([\s\S]+?\|[\s\S]+?)' # Page 2|Page 2
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210 r'\]\](?!\])' # ]]
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211 )
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212
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213 # Add wiki_link parser to default rules
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214 # you can insert it some place you like
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215 # but place matters, maybe 3 is not good
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216 self.default_rules.insert(3, 'wiki_link')
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217
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218 def output_wiki_link(self, m):
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219 text = m.group(1)
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220 alt, link = text.split('|')
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221 # you can create an custom render
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222 # you can also return the html if you like
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223 return self.renderer.wiki_link(alt, link)
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224
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225 You should pass the inline lexer to ``Markdown`` parser:
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226
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227 .. code:: python
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228
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229 renderer = WikiLinkRenderer()
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230 inline = WikiLinkInlineLexer(renderer)
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231 # enable the feature
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232 inline.enable_wiki_link()
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233 markdown = Markdown(renderer, inline=inline)
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234 markdown('[[Link Text|Wiki Link]]')
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235
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236 It is the same with block level lexer. It would take a while to understand
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237 the whole mechanism. But you won't do the trick a lot.
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238
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239
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240 Contribution & Extensions
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241 -------------------------
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242
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243 Mistune itself doesn't accept any extension. It will always be a simple one
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244 file script.
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245
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246 If you want to add features, you can head over to `mistune-contrib`_.
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247
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248 Here are some extensions already in `mistune-contrib`_:
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249
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250 * Math/MathJax features
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251 * Highlight Code Renderer
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252 * TOC table of content features
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253 * MultiMarkdown Metadata parser
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254
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255 Get inspired with the contrib repository.
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256
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257 .. _`mistune-contrib`: https://github.com/lepture/mistune-contrib
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258
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259