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annotate venv/lib/python2.7/site-packages/docutils/utils/smartquotes.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # :Id: $Id: smartquotes.py 7716 2013-08-21 21:54:57Z milde $
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5 # :Copyright: © 2010 Günter Milde,
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6 # original `SmartyPants`_: © 2003 John Gruber
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7 # smartypants.py: © 2004, 2007 Chad Miller
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8 # :Maintainer: docutils-develop@lists.sourceforge.net
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9 # :License: Released under the terms of the `2-Clause BSD license`_, in short:
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10 #
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11 # Copying and distribution of this file, with or without modification,
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12 # are permitted in any medium without royalty provided the copyright
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13 # notices and this notice are preserved.
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14 # This file is offered as-is, without any warranty.
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15 #
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16 # .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause
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17
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18
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19 r"""
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20 ========================
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21 SmartyPants for Docutils
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22 ========================
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23
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24 Synopsis
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25 ========
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26
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27 Smart-quotes for Docutils.
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28
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29 The original "SmartyPants" is a free web publishing plug-in for Movable Type,
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30 Blosxom, and BBEdit that easily translates plain ASCII punctuation characters
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31 into "smart" typographic punctuation characters.
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32
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33 `smartypants.py`, endeavours to be a functional port of
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34 SmartyPants to Python, for use with Pyblosxom_.
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35
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36 `smartquotes.py` is an adaption of Smartypants to Docutils_. By using Unicode
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37 characters instead of HTML entities for typographic quotes, it works for any
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38 output format that supports Unicode.
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39
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40 Authors
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41 =======
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42
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43 `John Gruber`_ did all of the hard work of writing this software in Perl for
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44 `Movable Type`_ and almost all of this useful documentation. `Chad Miller`_
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45 ported it to Python to use with Pyblosxom_.
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46 Adapted to Docutils_ by Günter Milde
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47
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48 Additional Credits
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49 ==================
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50
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51 Portions of the SmartyPants original work are based on Brad Choate's nifty
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52 MTRegex plug-in. `Brad Choate`_ also contributed a few bits of source code to
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53 this plug-in. Brad Choate is a fine hacker indeed.
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54
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55 `Jeremy Hedley`_ and `Charles Wiltgen`_ deserve mention for exemplary beta
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56 testing of the original SmartyPants.
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57
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58 `Rael Dornfest`_ ported SmartyPants to Blosxom.
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59
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60 .. _Brad Choate: http://bradchoate.com/
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61 .. _Jeremy Hedley: http://antipixel.com/
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62 .. _Charles Wiltgen: http://playbacktime.com/
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63 .. _Rael Dornfest: http://raelity.org/
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64
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65
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66 Copyright and License
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67 =====================
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68
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69 SmartyPants_ license (3-Clause BSD license):
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70
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71 Copyright (c) 2003 John Gruber (http://daringfireball.net/)
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72 All rights reserved.
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73
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74 Redistribution and use in source and binary forms, with or without
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75 modification, are permitted provided that the following conditions are
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76 met:
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77
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78 * Redistributions of source code must retain the above copyright
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79 notice, this list of conditions and the following disclaimer.
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80
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81 * Redistributions in binary form must reproduce the above copyright
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82 notice, this list of conditions and the following disclaimer in
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83 the documentation and/or other materials provided with the
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84 distribution.
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85
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86 * Neither the name "SmartyPants" nor the names of its contributors
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87 may be used to endorse or promote products derived from this
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88 software without specific prior written permission.
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89
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90 This software is provided by the copyright holders and contributors
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91 "as is" and any express or implied warranties, including, but not
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92 limited to, the implied warranties of merchantability and fitness for
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93 a particular purpose are disclaimed. In no event shall the copyright
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94 owner or contributors be liable for any direct, indirect, incidental,
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95 special, exemplary, or consequential damages (including, but not
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96 limited to, procurement of substitute goods or services; loss of use,
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97 data, or profits; or business interruption) however caused and on any
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98 theory of liability, whether in contract, strict liability, or tort
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99 (including negligence or otherwise) arising in any way out of the use
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100 of this software, even if advised of the possibility of such damage.
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101
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102 smartypants.py license (2-Clause BSD license):
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103
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104 smartypants.py is a derivative work of SmartyPants.
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105
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106 Redistribution and use in source and binary forms, with or without
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107 modification, are permitted provided that the following conditions are
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108 met:
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109
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110 * Redistributions of source code must retain the above copyright
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111 notice, this list of conditions and the following disclaimer.
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112
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113 * Redistributions in binary form must reproduce the above copyright
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114 notice, this list of conditions and the following disclaimer in
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115 the documentation and/or other materials provided with the
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116 distribution.
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117
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118 This software is provided by the copyright holders and contributors
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119 "as is" and any express or implied warranties, including, but not
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120 limited to, the implied warranties of merchantability and fitness for
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121 a particular purpose are disclaimed. In no event shall the copyright
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122 owner or contributors be liable for any direct, indirect, incidental,
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123 special, exemplary, or consequential damages (including, but not
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124 limited to, procurement of substitute goods or services; loss of use,
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125 data, or profits; or business interruption) however caused and on any
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126 theory of liability, whether in contract, strict liability, or tort
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127 (including negligence or otherwise) arising in any way out of the use
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128 of this software, even if advised of the possibility of such damage.
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129
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130 .. _John Gruber: http://daringfireball.net/
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131 .. _Chad Miller: http://web.chad.org/
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132
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133 .. _Pyblosxom: http://pyblosxom.bluesock.org/
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134 .. _SmartyPants: http://daringfireball.net/projects/smartypants/
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135 .. _Movable Type: http://www.movabletype.org/
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136 .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause
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137 .. _Docutils: http://docutils.sf.net/
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138
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139 Description
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140 ===========
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141
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142 SmartyPants can perform the following transformations:
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143
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144 - Straight quotes ( " and ' ) into "curly" quote characters
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145 - Backticks-style quotes (\`\`like this'') into "curly" quote characters
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146 - Dashes (``--`` and ``---``) into en- and em-dash entities
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147 - Three consecutive dots (``...`` or ``. . .``) into an ellipsis entity
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148
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149 This means you can write, edit, and save your posts using plain old
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150 ASCII straight quotes, plain dashes, and plain dots, but your published
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151 posts (and final HTML output) will appear with smart quotes, em-dashes,
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152 and proper ellipses.
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153
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154 SmartyPants does not modify characters within ``<pre>``, ``<code>``, ``<kbd>``,
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155 ``<math>`` or ``<script>`` tag blocks. Typically, these tags are used to
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156 display text where smart quotes and other "smart punctuation" would not be
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157 appropriate, such as source code or example markup.
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158
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159
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160 Backslash Escapes
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161 =================
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162
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163 If you need to use literal straight quotes (or plain hyphens and
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164 periods), SmartyPants accepts the following backslash escape sequences
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165 to force non-smart punctuation. It does so by transforming the escape
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166 sequence into a character:
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167
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168 ======== ===== =========
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169 Escape Value Character
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170 ======== ===== =========
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171 ``\\\\`` &#92; \\
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172 \\" &#34; "
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173 \\' &#39; '
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174 \\. &#46; .
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175 \\- &#45; \-
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176 \\` &#96; \`
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177 ======== ===== =========
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178
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179 This is useful, for example, when you want to use straight quotes as
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180 foot and inch marks: 6\\'2\\" tall; a 17\\" iMac.
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181
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182 Options
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183 =======
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184
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185 For Pyblosxom users, the ``smartypants_attributes`` attribute is where you
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186 specify configuration options.
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187
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188 Numeric values are the easiest way to configure SmartyPants' behavior:
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189
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190 "0"
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191 Suppress all transformations. (Do nothing.)
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192 "1"
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193 Performs default SmartyPants transformations: quotes (including
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194 \`\`backticks'' -style), em-dashes, and ellipses. "``--``" (dash dash)
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195 is used to signify an em-dash; there is no support for en-dashes.
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196
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197 "2"
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198 Same as smarty_pants="1", except that it uses the old-school typewriter
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199 shorthand for dashes: "``--``" (dash dash) for en-dashes, "``---``"
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200 (dash dash dash)
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201 for em-dashes.
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202
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203 "3"
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204 Same as smarty_pants="2", but inverts the shorthand for dashes:
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205 "``--``" (dash dash) for em-dashes, and "``---``" (dash dash dash) for
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206 en-dashes.
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207
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208 "-1"
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209 Stupefy mode. Reverses the SmartyPants transformation process, turning
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210 the characters produced by SmartyPants into their ASCII equivalents.
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211 E.g. "“" is turned into a simple double-quote (\"), "—" is
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212 turned into two dashes, etc.
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213
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214
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215 The following single-character attribute values can be combined to toggle
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216 individual transformations from within the smarty_pants attribute. For
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217 example, to educate normal quotes and em-dashes, but not ellipses or
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218 \`\`backticks'' -style quotes:
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219
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220 ``py['smartypants_attributes'] = "1"``
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221
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222 "q"
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223 Educates normal quote characters: (") and (').
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224
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225 "b"
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226 Educates \`\`backticks'' -style double quotes.
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227
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228 "B"
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229 Educates \`\`backticks'' -style double quotes and \`single' quotes.
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230
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231 "d"
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232 Educates em-dashes.
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233
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234 "D"
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235 Educates em-dashes and en-dashes, using old-school typewriter shorthand:
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236 (dash dash) for en-dashes, (dash dash dash) for em-dashes.
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237
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238 "i"
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239 Educates em-dashes and en-dashes, using inverted old-school typewriter
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240 shorthand: (dash dash) for em-dashes, (dash dash dash) for en-dashes.
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241
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242 "e"
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243 Educates ellipses.
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244
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245 "w"
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246 Translates any instance of ``&quot;`` into a normal double-quote character.
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247 This should be of no interest to most people, but of particular interest
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248 to anyone who writes their posts using Dreamweaver, as Dreamweaver
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249 inexplicably uses this entity to represent a literal double-quote
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250 character. SmartyPants only educates normal quotes, not entities (because
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251 ordinarily, entities are used for the explicit purpose of representing the
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252 specific character they represent). The "w" option must be used in
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253 conjunction with one (or both) of the other quote options ("q" or "b").
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254 Thus, if you wish to apply all SmartyPants transformations (quotes, en-
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255 and em-dashes, and ellipses) and also translate ``&quot;`` entities into
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256 regular quotes so SmartyPants can educate them, you should pass the
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257 following to the smarty_pants attribute:
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258
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259
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260 Caveats
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261 =======
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262
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263 Why You Might Not Want to Use Smart Quotes in Your Weblog
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264 ---------------------------------------------------------
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265
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266 For one thing, you might not care.
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267
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268 Most normal, mentally stable individuals do not take notice of proper
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269 typographic punctuation. Many design and typography nerds, however, break
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270 out in a nasty rash when they encounter, say, a restaurant sign that uses
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271 a straight apostrophe to spell "Joe's".
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272
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273 If you're the sort of person who just doesn't care, you might well want to
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274 continue not caring. Using straight quotes -- and sticking to the 7-bit
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275 ASCII character set in general -- is certainly a simpler way to live.
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276
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277 Even if you I *do* care about accurate typography, you still might want to
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278 think twice before educating the quote characters in your weblog. One side
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279 effect of publishing curly quote characters is that it makes your
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280 weblog a bit harder for others to quote from using copy-and-paste. What
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281 happens is that when someone copies text from your blog, the copied text
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282 contains the 8-bit curly quote characters (as well as the 8-bit characters
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283 for em-dashes and ellipses, if you use these options). These characters
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284 are not standard across different text encoding methods, which is why they
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285 need to be encoded as characters.
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286
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287 People copying text from your weblog, however, may not notice that you're
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288 using curly quotes, and they'll go ahead and paste the unencoded 8-bit
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289 characters copied from their browser into an email message or their own
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290 weblog. When pasted as raw "smart quotes", these characters are likely to
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291 get mangled beyond recognition.
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292
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293 That said, my own opinion is that any decent text editor or email client
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294 makes it easy to stupefy smart quote characters into their 7-bit
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295 equivalents, and I don't consider it my problem if you're using an
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296 indecent text editor or email client.
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297
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298
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299 Algorithmic Shortcomings
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300 ------------------------
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301
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302 One situation in which quotes will get curled the wrong way is when
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303 apostrophes are used at the start of leading contractions. For example:
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304
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305 ``'Twas the night before Christmas.``
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306
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307 In the case above, SmartyPants will turn the apostrophe into an opening
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308 single-quote, when in fact it should be a closing one. I don't think
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309 this problem can be solved in the general case -- every word processor
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310 I've tried gets this wrong as well. In such cases, it's best to use the
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311 proper character for closing single-quotes (``’``) by hand.
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312
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313
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314 Version History
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315 ===============
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316
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317 1.7 2012-11-19
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318 - Internationalization: language-dependent quotes.
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319
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320 1.6.1: 2012-11-06
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321 - Refactor code, code cleanup,
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322 - `educate_tokens()` generator as interface for Docutils.
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323
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324 1.6: 2010-08-26
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325 - Adaption to Docutils:
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326 - Use Unicode instead of HTML entities,
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327 - Remove code special to pyblosxom.
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328
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329 1.5_1.6: Fri, 27 Jul 2007 07:06:40 -0400
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330 - Fixed bug where blocks of precious unalterable text was instead
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331 interpreted. Thanks to Le Roux and Dirk van Oosterbosch.
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332
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333 1.5_1.5: Sat, 13 Aug 2005 15:50:24 -0400
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334 - Fix bogus magical quotation when there is no hint that the
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335 user wants it, e.g., in "21st century". Thanks to Nathan Hamblen.
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336 - Be smarter about quotes before terminating numbers in an en-dash'ed
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337 range.
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338
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339 1.5_1.4: Thu, 10 Feb 2005 20:24:36 -0500
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340 - Fix a date-processing bug, as reported by jacob childress.
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341 - Begin a test-suite for ensuring correct output.
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342 - Removed import of "string", since I didn't really need it.
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343 (This was my first every Python program. Sue me!)
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344
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345 1.5_1.3: Wed, 15 Sep 2004 18:25:58 -0400
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346 - Abort processing if the flavour is in forbidden-list. Default of
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347 [ "rss" ] (Idea of Wolfgang SCHNERRING.)
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348 - Remove stray virgules from en-dashes. Patch by Wolfgang SCHNERRING.
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349
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350 1.5_1.2: Mon, 24 May 2004 08:14:54 -0400
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351 - Some single quotes weren't replaced properly. Diff-tesuji played
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352 by Benjamin GEIGER.
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353
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354 1.5_1.1: Sun, 14 Mar 2004 14:38:28 -0500
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355 - Support upcoming pyblosxom 0.9 plugin verification feature.
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356
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357 1.5_1.0: Tue, 09 Mar 2004 08:08:35 -0500
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358 - Initial release
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359 """
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360
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361 default_smartypants_attr = "1"
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362
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363
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364 import re
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365
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366 class smartchars(object):
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367 """Smart quotes and dashes
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368 """
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369
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370 endash = u'–' # "&#8211;" EN DASH
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371 emdash = u'—' # "&#8212;" EM DASH
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372 ellipsis = u'…' # "&#8230;" HORIZONTAL ELLIPSIS
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373
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parents:
diff changeset
374 # quote characters (language-specific, set in __init__())
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bcclaywell
parents:
diff changeset
375 #
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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376 # English smart quotes (open primary, close primary, open secondary, close
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
377 # secondary) are:
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bcclaywell
parents:
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378 # opquote = u'“' # "&#8220;" LEFT DOUBLE QUOTATION MARK
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bcclaywell
parents:
diff changeset
379 # cpquote = u'”' # "&#8221;" RIGHT DOUBLE QUOTATION MARK
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bcclaywell
parents:
diff changeset
380 # osquote = u'‘' # "&#8216;" LEFT SINGLE QUOTATION MARK
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bcclaywell
parents:
diff changeset
381 # csquote = u'’' # "&#8217;" RIGHT SINGLE QUOTATION MARK
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bcclaywell
parents:
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382 # For other languages see:
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bcclaywell
parents:
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383 # http://en.wikipedia.org/wiki/Non-English_usage_of_quotation_marks
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bcclaywell
parents:
diff changeset
384 # http://de.wikipedia.org/wiki/Anf%C3%BChrungszeichen#Andere_Sprachen
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bcclaywell
parents:
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385 quotes = {'af': u'“”‘’',
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bcclaywell
parents:
diff changeset
386 'af-x-altquot': u'„”‚’',
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
387 'ca': u'«»“”',
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
388 'ca-x-altquot': u'“”‘’',
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
389 'cs': u'„“‚‘',
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
390 'cs-x-altquot': u'»«›‹',
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bcclaywell
parents:
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391 'da': u'»«‘’',
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bcclaywell
parents:
diff changeset
392 'da-x-altquot': u'„“‚‘',
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bcclaywell
parents:
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393 'de': u'„“‚‘',
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bcclaywell
parents:
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394 'de-x-altquot': u'»«›‹',
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bcclaywell
parents:
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395 'de-CH': u'«»‹›',
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bcclaywell
parents:
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396 'el': u'«»“”',
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bcclaywell
parents:
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397 'en': u'“”‘’',
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bcclaywell
parents:
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398 'en-UK': u'‘’“”',
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bcclaywell
parents:
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399 'eo': u'“”‘’',
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bcclaywell
parents:
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400 'es': u'«»“”',
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bcclaywell
parents:
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401 'et': u'„“‚‘', # no secondary quote listed in
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bcclaywell
parents:
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402 'et-x-altquot': u'»«›‹', # the sources above (wikipedia.org)
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bcclaywell
parents:
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403 'eu': u'«»‹›',
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bcclaywell
parents:
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404 'es-x-altquot': u'“”‘’',
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bcclaywell
parents:
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405 'fi': u'””’’',
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
406 'fi-x-altquot': u'»»’’',
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bcclaywell
parents:
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407 'fr': (u'« ', u' »', u'‹ ', u' ›'), # with narrow no-break space
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bcclaywell
parents:
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408 'fr-x-altquot': u'«»‹›', # for use with manually set spaces
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bcclaywell
parents:
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409 # 'fr-x-altquot': (u'“ ', u' ”', u'‘ ', u' ’'), # rarely used
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bcclaywell
parents:
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410 'fr-CH': u'«»‹›',
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bcclaywell
parents:
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411 'gl': u'«»“”',
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bcclaywell
parents:
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412 'he': u'”“»«',
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bcclaywell
parents:
diff changeset
413 'he-x-altquot': u'„”‚’',
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bcclaywell
parents:
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414 'it': u'«»“”',
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bcclaywell
parents:
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415 'it-CH': u'«»‹›',
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bcclaywell
parents:
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416 'it-x-altquot': u'“”‘’',
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bcclaywell
parents:
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417 'ja': u'「」『』',
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bcclaywell
parents:
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418 'lt': u'„“‚‘',
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bcclaywell
parents:
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419 'nl': u'“”‘’',
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bcclaywell
parents:
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420 'nl-x-altquot': u'„”‚’',
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bcclaywell
parents:
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421 'pl': u'„”«»',
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bcclaywell
parents:
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422 'pl-x-altquot': u'«»“”',
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bcclaywell
parents:
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423 'pt': u'«»“”',
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bcclaywell
parents:
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424 'pt-BR': u'“”‘’',
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bcclaywell
parents:
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425 'ro': u'„”«»',
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
426 'ro-x-altquot': u'«»„”',
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bcclaywell
parents:
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427 'ru': u'«»„“',
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bcclaywell
parents:
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428 'sk': u'„“‚‘',
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bcclaywell
parents:
diff changeset
429 'sk-x-altquot': u'»«›‹',
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bcclaywell
parents:
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430 'sv': u'„“‚‘',
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bcclaywell
parents:
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431 'sv-x-altquot': u'»«›‹',
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bcclaywell
parents:
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432 'zh-CN': u'“”‘’',
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bcclaywell
parents:
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433 'it': u'«»“”',
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bcclaywell
parents:
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434 'zh-TW': u'「」『』',
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bcclaywell
parents:
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435 }
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bcclaywell
parents:
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436
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bcclaywell
parents:
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437 def __init__(self, language='en'):
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bcclaywell
parents:
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438 self.language = language
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bcclaywell
parents:
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439 try:
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bcclaywell
parents:
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440 (self.opquote, self.cpquote,
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bcclaywell
parents:
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441 self.osquote, self.csquote) = self.quotes[language]
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bcclaywell
parents:
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442 except KeyError:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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443 self.opquote, self.cpquote, self.osquote, self.csquote = u'""\'\''
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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444
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
445
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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446 def smartyPants(text, attr=default_smartypants_attr, language='en'):
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bcclaywell
parents:
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447 """Main function for "traditional" use."""
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bcclaywell
parents:
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448
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bcclaywell
parents:
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449 return "".join([t for t in educate_tokens(tokenize(text),
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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450 attr, language)])
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bcclaywell
parents:
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451
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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452
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
453 def educate_tokens(text_tokens, attr=default_smartypants_attr, language='en'):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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454 """Return iterator that "educates" the items of `text_tokens`.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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455 """
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bcclaywell
parents:
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456
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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457 # Parse attributes:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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458 # 0 : do nothing
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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459 # 1 : set all
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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460 # 2 : set all, using old school en- and em- dash shortcuts
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
461 # 3 : set all, using inverted old school en and em- dash shortcuts
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
462 #
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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463 # q : quotes
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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464 # b : backtick quotes (``double'' only)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
465 # B : backtick quotes (``double'' and `single')
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
466 # d : dashes
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
467 # D : old school dashes
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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468 # i : inverted old school dashes
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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469 # e : ellipses
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
470 # w : convert &quot; entities to " for Dreamweaver users
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
471
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
472 convert_quot = False # translate &quot; entities into normal quotes?
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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473 do_dashes = False
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
474 do_backticks = False
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
475 do_quotes = False
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
476 do_ellipses = False
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
477 do_stupefy = False
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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478
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
479 if attr == "0": # Do nothing.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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480 yield text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
481 elif attr == "1": # Do everything, turn all options on.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
482 do_quotes = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
483 do_backticks = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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484 do_dashes = 1
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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485 do_ellipses = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
486 elif attr == "2":
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
487 # Do everything, turn all options on, use old school dash shorthand.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
488 do_quotes = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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489 do_backticks = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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490 do_dashes = 2
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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491 do_ellipses = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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492 elif attr == "3":
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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493 # Do everything, use inverted old school dash shorthand.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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494 do_quotes = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
495 do_backticks = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
496 do_dashes = 3
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
497 do_ellipses = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
498 elif attr == "-1": # Special "stupefy" mode.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
499 do_stupefy = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
500 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
501 if "q" in attr: do_quotes = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
502 if "b" in attr: do_backticks = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
503 if "B" in attr: do_backticks = 2
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
504 if "d" in attr: do_dashes = 1
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
505 if "D" in attr: do_dashes = 2
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
506 if "i" in attr: do_dashes = 3
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
507 if "e" in attr: do_ellipses = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
508 if "w" in attr: convert_quot = True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
509
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
510 prev_token_last_char = " "
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
511 # Last character of the previous text token. Used as
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
512 # context to curl leading quote characters correctly.
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bcclaywell
parents:
diff changeset
513
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
514 for (ttype, text) in text_tokens:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
515
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
516 # skip HTML and/or XML tags as well as emtpy text tokens
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
517 # without updating the last character
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
518 if ttype == 'tag' or not text:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
519 yield text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
520 continue
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
521
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
522 # skip literal text (math, literal, raw, ...)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
523 if ttype == 'literal':
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
524 prev_token_last_char = text[-1:]
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
525 yield text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
526 continue
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
527
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
528 last_char = text[-1:] # Remember last char before processing.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
529
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
530 text = processEscapes(text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
531
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
532 if convert_quot:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
533 text = re.sub('&quot;', '"', text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
534
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
535 if do_dashes == 1:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
536 text = educateDashes(text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
537 elif do_dashes == 2:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
538 text = educateDashesOldSchool(text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
539 elif do_dashes == 3:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
540 text = educateDashesOldSchoolInverted(text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
541
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
542 if do_ellipses:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
543 text = educateEllipses(text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
544
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
545 # Note: backticks need to be processed before quotes.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
546 if do_backticks:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
547 text = educateBackticks(text, language)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
548
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
549 if do_backticks == 2:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
550 text = educateSingleBackticks(text, language)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
551
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
552 if do_quotes:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
553 text = educateQuotes(prev_token_last_char+text, language)[1:]
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
554
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
555 if do_stupefy:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
556 text = stupefyEntities(text, language)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
557
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
558 # Remember last char as context for the next token
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
559 prev_token_last_char = last_char
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
560
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
561 text = processEscapes(text, restore=True)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
562
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
563 yield text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
564
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
565
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
566
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
567 def educateQuotes(text, language='en'):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
568 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
569 Parameter: - text string (unicode or bytes).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
570 - language (`BCP 47` language tag.)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
571 Returns: The `text`, with "educated" curly quote characters.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
572
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
573 Example input: "Isn't this fun?"
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
574 Example output: “Isn’t this fun?“;
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
575 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
576
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
577 smart = smartchars(language)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
578
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
579 # oldtext = text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
580 punct_class = r"""[!"#\$\%'()*+,-.\/:;<=>?\@\[\\\]\^_`{|}~]"""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
581
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
582 # Special case if the very first character is a quote
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
583 # followed by punctuation at a non-word-break.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
584 # Close the quotes by brute force:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
585 text = re.sub(r"""^'(?=%s\\B)""" % (punct_class,), smart.csquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
586 text = re.sub(r"""^"(?=%s\\B)""" % (punct_class,), smart.cpquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
587
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
588 # Special case for double sets of quotes, e.g.:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
589 # <p>He said, "'Quoted' words in a larger quote."</p>
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
590 text = re.sub(r""""'(?=\w)""", smart.opquote+smart.osquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
591 text = re.sub(r"""'"(?=\w)""", smart.osquote+smart.opquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
592
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
593 # Special case for decade abbreviations (the '80s):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
594 text = re.sub(r"""\b'(?=\d{2}s)""", smart.csquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
595
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
596 close_class = r"""[^\ \t\r\n\[\{\(\-]"""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
597 dec_dashes = r"""&#8211;|&#8212;"""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
598
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
599 # Get most opening single quotes:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
600 opening_single_quotes_regex = re.compile(r"""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
601 (
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
602 \s | # a whitespace char, or
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
603 &nbsp; | # a non-breaking space entity, or
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
604 -- | # dashes, or
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
605 &[mn]dash; | # named dash entities
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
606 %s | # or decimal entities
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
607 &\#x201[34]; # or hex
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
608 )
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
609 ' # the quote
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
610 (?=\w) # followed by a word character
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
611 """ % (dec_dashes,), re.VERBOSE)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
612 text = opening_single_quotes_regex.sub(r'\1'+smart.osquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
613
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
614 closing_single_quotes_regex = re.compile(r"""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
615 (%s)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
616 '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
617 (?!\s | s\b | \d)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
618 """ % (close_class,), re.VERBOSE)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
619 text = closing_single_quotes_regex.sub(r'\1'+smart.csquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
620
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
621 closing_single_quotes_regex = re.compile(r"""
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parents:
diff changeset
622 (%s)
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parents:
diff changeset
623 '
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parents:
diff changeset
624 (\s | s\b)
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parents:
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625 """ % (close_class,), re.VERBOSE)
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parents:
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626 text = closing_single_quotes_regex.sub(r'\1%s\2' % smart.csquote, text)
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parents:
diff changeset
627
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628 # Any remaining single quotes should be opening ones:
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parents:
diff changeset
629 text = re.sub(r"""'""", smart.osquote, text)
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bcclaywell
parents:
diff changeset
630
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parents:
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631 # Get most opening double quotes:
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632 opening_double_quotes_regex = re.compile(r"""
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diff changeset
633 (
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634 \s | # a whitespace char, or
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parents:
diff changeset
635 &nbsp; | # a non-breaking space entity, or
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parents:
diff changeset
636 -- | # dashes, or
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parents:
diff changeset
637 &[mn]dash; | # named dash entities
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parents:
diff changeset
638 %s | # or decimal entities
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parents:
diff changeset
639 &\#x201[34]; # or hex
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bcclaywell
parents:
diff changeset
640 )
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parents:
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641 " # the quote
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diff changeset
642 (?=\w) # followed by a word character
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parents:
diff changeset
643 """ % (dec_dashes,), re.VERBOSE)
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parents:
diff changeset
644 text = opening_double_quotes_regex.sub(r'\1'+smart.opquote, text)
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parents:
diff changeset
645
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646 # Double closing quotes:
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647 closing_double_quotes_regex = re.compile(r"""
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diff changeset
648 #(%s)? # character that indicates the quote should be closing
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diff changeset
649 "
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parents:
diff changeset
650 (?=\s)
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651 """ % (close_class,), re.VERBOSE)
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diff changeset
652 text = closing_double_quotes_regex.sub(smart.cpquote, text)
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parents:
diff changeset
653
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654 closing_double_quotes_regex = re.compile(r"""
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parents:
diff changeset
655 (%s) # character that indicates the quote should be closing
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parents:
diff changeset
656 "
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parents:
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657 """ % (close_class,), re.VERBOSE)
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parents:
diff changeset
658 text = closing_double_quotes_regex.sub(r'\1'+smart.cpquote, text)
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parents:
diff changeset
659
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diff changeset
660 # Any remaining quotes should be opening ones.
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bcclaywell
parents:
diff changeset
661 text = re.sub(r'"', smart.opquote, text)
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parents:
diff changeset
662
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bcclaywell
parents:
diff changeset
663 return text
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bcclaywell
parents:
diff changeset
664
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parents:
diff changeset
665
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666 def educateBackticks(text, language='en'):
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diff changeset
667 """
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parents:
diff changeset
668 Parameter: String (unicode or bytes).
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669 Returns: The `text`, with ``backticks'' -style double quotes
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bcclaywell
parents:
diff changeset
670 translated into HTML curly quote entities.
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bcclaywell
parents:
diff changeset
671 Example input: ``Isn't this fun?''
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
672 Example output: “Isn't this fun?“;
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parents:
diff changeset
673 """
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bcclaywell
parents:
diff changeset
674 smart = smartchars(language)
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diff changeset
675
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parents:
diff changeset
676 text = re.sub(r"""``""", smart.opquote, text)
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bcclaywell
parents:
diff changeset
677 text = re.sub(r"""''""", smart.cpquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
678 return text
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bcclaywell
parents:
diff changeset
679
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bcclaywell
parents:
diff changeset
680
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bcclaywell
parents:
diff changeset
681 def educateSingleBackticks(text, language='en'):
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parents:
diff changeset
682 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
683 Parameter: String (unicode or bytes).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
684 Returns: The `text`, with `backticks' -style single quotes
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
685 translated into HTML curly quote entities.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
686
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
687 Example input: `Isn't this fun?'
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
688 Example output: ‘Isn’t this fun?’
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parents:
diff changeset
689 """
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bcclaywell
parents:
diff changeset
690 smart = smartchars(language)
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bcclaywell
parents:
diff changeset
691
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
692 text = re.sub(r"""`""", smart.osquote, text)
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bcclaywell
parents:
diff changeset
693 text = re.sub(r"""'""", smart.csquote, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
694 return text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
695
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bcclaywell
parents:
diff changeset
696
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parents:
diff changeset
697 def educateDashes(text):
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parents:
diff changeset
698 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
699 Parameter: String (unicode or bytes).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
700 Returns: The `text`, with each instance of "--" translated to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
701 an em-dash character.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
702 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
703
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
704 text = re.sub(r"""---""", smartchars.endash, text) # en (yes, backwards)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
705 text = re.sub(r"""--""", smartchars.emdash, text) # em (yes, backwards)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
706 return text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
707
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
708
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
709 def educateDashesOldSchool(text):
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parents:
diff changeset
710 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
711 Parameter: String (unicode or bytes).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
712 Returns: The `text`, with each instance of "--" translated to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
713 an en-dash character, and each "---" translated to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
714 an em-dash character.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
715 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
716
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
717 text = re.sub(r"""---""", smartchars.emdash, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
718 text = re.sub(r"""--""", smartchars.endash, text)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
719 return text
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
720
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
721
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
722 def educateDashesOldSchoolInverted(text):
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parents:
diff changeset
723 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
724 Parameter: String (unicode or bytes).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
725 Returns: The `text`, with each instance of "--" translated to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
726 an em-dash character, and each "---" translated to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
727 an en-dash character. Two reasons why: First, unlike the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
728 en- and em-dash syntax supported by
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
729 EducateDashesOldSchool(), it's compatible with existing
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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730 entries written before SmartyPants 1.1, back when "--" was
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
731 only used for em-dashes. Second, em-dashes are more
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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732 common than en-dashes, and so it sort of makes sense that
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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733 the shortcut should be shorter to type. (Thanks to Aaron
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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734 Swartz for the idea.)
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bcclaywell
parents:
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735 """
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parents:
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736 text = re.sub(r"""---""", smartchars.endash, text) # em
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parents:
diff changeset
737 text = re.sub(r"""--""", smartchars.emdash, text) # en
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bcclaywell
parents:
diff changeset
738 return text
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bcclaywell
parents:
diff changeset
739
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bcclaywell
parents:
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740
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bcclaywell
parents:
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741
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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742 def educateEllipses(text):
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bcclaywell
parents:
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743 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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744 Parameter: String (unicode or bytes).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
745 Returns: The `text`, with each instance of "..." translated to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
746 an ellipsis character.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
747
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
748 Example input: Huh...?
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parents:
diff changeset
749 Example output: Huh&#8230;?
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diff changeset
750 """
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parents:
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751
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parents:
diff changeset
752 text = re.sub(r"""\.\.\.""", smartchars.ellipsis, text)
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parents:
diff changeset
753 text = re.sub(r"""\. \. \.""", smartchars.ellipsis, text)
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parents:
diff changeset
754 return text
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bcclaywell
parents:
diff changeset
755
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bcclaywell
parents:
diff changeset
756
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parents:
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757 def stupefyEntities(text, language='en'):
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parents:
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758 """
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parents:
diff changeset
759 Parameter: String (unicode or bytes).
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parents:
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760 Returns: The `text`, with each SmartyPants character translated to
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bcclaywell
parents:
diff changeset
761 its ASCII counterpart.
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bcclaywell
parents:
diff changeset
762
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parents:
diff changeset
763 Example input: “Hello — world.”
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parents:
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764 Example output: "Hello -- world."
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diff changeset
765 """
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parents:
diff changeset
766 smart = smartchars(language)
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parents:
diff changeset
767
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parents:
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768 text = re.sub(smart.endash, "-", text) # en-dash
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769 text = re.sub(smart.emdash, "--", text) # em-dash
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diff changeset
770
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771 text = re.sub(smart.osquote, "'", text) # open single quote
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parents:
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772 text = re.sub(smart.csquote, "'", text) # close single quote
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parents:
diff changeset
773
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774 text = re.sub(smart.opquote, '"', text) # open double quote
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parents:
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775 text = re.sub(smart.cpquote, '"', text) # close double quote
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parents:
diff changeset
776
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777 text = re.sub(smart.ellipsis, '...', text)# ellipsis
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parents:
diff changeset
778
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parents:
diff changeset
779 return text
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parents:
diff changeset
780
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parents:
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781
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782 def processEscapes(text, restore=False):
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783 r"""
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784 Parameter: String (unicode or bytes).
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785 Returns: The `text`, with after processing the following backslash
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parents:
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786 escape sequences. This is useful if you want to force a "dumb"
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bcclaywell
parents:
diff changeset
787 quote or other character to appear.
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parents:
diff changeset
788
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parents:
diff changeset
789 Escape Value
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parents:
diff changeset
790 ------ -----
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bcclaywell
parents:
diff changeset
791 \\ &#92;
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bcclaywell
parents:
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792 \" &#34;
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bcclaywell
parents:
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793 \' &#39;
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parents:
diff changeset
794 \. &#46;
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parents:
diff changeset
795 \- &#45;
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diff changeset
796 \` &#96;
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parents:
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797 """
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bcclaywell
parents:
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798 replacements = ((r'\\', r'&#92;'),
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parents:
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799 (r'\"', r'&#34;'),
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parents:
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800 (r"\'", r'&#39;'),
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parents:
diff changeset
801 (r'\.', r'&#46;'),
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parents:
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802 (r'\-', r'&#45;'),
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parents:
diff changeset
803 (r'\`', r'&#96;'))
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parents:
diff changeset
804 if restore:
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parents:
diff changeset
805 for (ch, rep) in replacements:
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parents:
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806 text = text.replace(rep, ch[1])
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parents:
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807 else:
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808 for (ch, rep) in replacements:
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bcclaywell
parents:
diff changeset
809 text = text.replace(ch, rep)
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parents:
diff changeset
810
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bcclaywell
parents:
diff changeset
811 return text
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bcclaywell
parents:
diff changeset
812
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bcclaywell
parents:
diff changeset
813
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parents:
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814 def tokenize(text):
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parents:
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815 """
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parents:
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816 Parameter: String containing HTML markup.
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parents:
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817 Returns: An iterator that yields the tokens comprising the input
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818 string. Each token is either a tag (possibly with nested,
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bcclaywell
parents:
diff changeset
819 tags contained therein, such as <a href="<MTFoo>">, or a
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parents:
diff changeset
820 run of text between tags. Each yielded element is a
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parents:
diff changeset
821 two-element tuple; the first is either 'tag' or 'text';
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parents:
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822 the second is the actual value.
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bcclaywell
parents:
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823
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parents:
diff changeset
824 Based on the _tokenize() subroutine from Brad Choate's MTRegex plugin.
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bcclaywell
parents:
diff changeset
825 <http://www.bradchoate.com/past/mtregex.php>
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bcclaywell
parents:
diff changeset
826 """
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parents:
diff changeset
827
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parents:
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828 pos = 0
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parents:
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829 length = len(text)
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parents:
diff changeset
830 # tokens = []
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parents:
diff changeset
831
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parents:
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832 depth = 6
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parents:
diff changeset
833 nested_tags = "|".join(['(?:<(?:[^<>]',] * depth) + (')*>)' * depth)
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parents:
diff changeset
834 #match = r"""(?: <! ( -- .*? -- \s* )+ > ) | # comments
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parents:
diff changeset
835 # (?: <\? .*? \?> ) | # directives
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parents:
diff changeset
836 # %s # nested tags """ % (nested_tags,)
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parents:
diff changeset
837 tag_soup = re.compile(r"""([^<]*)(<[^>]*>)""")
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parents:
diff changeset
838
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parents:
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839 token_match = tag_soup.search(text)
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parents:
diff changeset
840
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parents:
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841 previous_end = 0
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parents:
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842 while token_match is not None:
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parents:
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843 if token_match.group(1):
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parents:
diff changeset
844 yield ('text', token_match.group(1))
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parents:
diff changeset
845
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bcclaywell
parents:
diff changeset
846 yield ('tag', token_match.group(2))
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bcclaywell
parents:
diff changeset
847
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bcclaywell
parents:
diff changeset
848 previous_end = token_match.end()
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parents:
diff changeset
849 token_match = tag_soup.search(text, token_match.end())
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bcclaywell
parents:
diff changeset
850
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parents:
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851 if previous_end < len(text):
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parents:
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852 yield ('text', text[previous_end:])
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bcclaywell
parents:
diff changeset
853
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bcclaywell
parents:
diff changeset
854
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parents:
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855
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parents:
diff changeset
856 if __name__ == "__main__":
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bcclaywell
parents:
diff changeset
857
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bcclaywell
parents:
diff changeset
858 import locale
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bcclaywell
parents:
diff changeset
859
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bcclaywell
parents:
diff changeset
860 try:
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parents:
diff changeset
861 locale.setlocale(locale.LC_ALL, '')
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bcclaywell
parents:
diff changeset
862 except:
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bcclaywell
parents:
diff changeset
863 pass
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bcclaywell
parents:
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864
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parents:
diff changeset
865 from docutils.core import publish_string
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parents:
diff changeset
866 docstring_html = publish_string(__doc__, writer_name='html')
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bcclaywell
parents:
diff changeset
867
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bcclaywell
parents:
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868 print docstring_html
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parents:
diff changeset
869
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bcclaywell
parents:
diff changeset
870
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parents:
diff changeset
871 # Unit test output goes out stderr.
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parents:
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872 import unittest
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bcclaywell
parents:
diff changeset
873 sp = smartyPants
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parents:
diff changeset
874
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parents:
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875 class TestSmartypantsAllAttributes(unittest.TestCase):
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parents:
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876 # the default attribute is "1", which means "all".
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877
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878 def test_dates(self):
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879 self.assertEqual(sp("1440-80's"), u"1440-80’s")
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880 self.assertEqual(sp("1440-'80s"), u"1440-‘80s")
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881 self.assertEqual(sp("1440---'80s"), u"1440–‘80s")
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882 self.assertEqual(sp("1960s"), "1960s") # no effect.
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883 self.assertEqual(sp("1960's"), u"1960’s")
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884 self.assertEqual(sp("one two '60s"), u"one two ‘60s")
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885 self.assertEqual(sp("'60s"), u"‘60s")
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886
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887 def test_ordinal_numbers(self):
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888 self.assertEqual(sp("21st century"), "21st century") # no effect.
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889 self.assertEqual(sp("3rd"), "3rd") # no effect.
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890
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891 def test_educated_quotes(self):
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892 self.assertEqual(sp('''"Isn't this fun?"'''), u'“Isn’t this fun?”')
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893
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894 def test_html_tags(self):
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895 text = '<a src="foo">more</a>'
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896 self.assertEqual(sp(text), text)
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897
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898 unittest.main()
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899
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900
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901
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902
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903 __author__ = "Chad Miller <smartypantspy@chad.org>"
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904 __version__ = "1.5_1.6: Fri, 27 Jul 2007 07:06:40 -0400"
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905 __url__ = "http://wiki.chad.org/SmartyPantsPy"
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906 __description__ = "Smart-quotes, smart-ellipses, and smart-dashes for weblog entries in pyblosxom"