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annotate sat/plugins/plugin_misc_text_syntaxes.py @ 2908:695fc440c3b8

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plugins: removed useless execute permission
author Goffi <goffi@goffi.org>
date Sun, 14 Apr 2019 08:21:51 +0200
parents a02ad4bc0a6d
children ab2696e34d29
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for managing various text syntaxes
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5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 import re
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21 from cgi import escape
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22 from functools import partial
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23 from sat.core.i18n import _, D_
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24 from sat.core.constants import Const as C
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25 from sat.core.log import getLogger
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26
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27 from twisted.internet import defer
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28 from twisted.internet.threads import deferToThread
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6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml
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29 from sat.core import exceptions
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30 from sat.tools import xml_tools
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31
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32 try:
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33 from lxml import html
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34 from lxml.html import clean
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35 from lxml import etree
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36 except ImportError:
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37 raise exceptions.MissingModule(
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38 u"Missing module lxml, please download/install it from http://lxml.de/"
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39 )
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fb0b1100c908 plugin text_syntaxes: fixed clean_xhml (it now return XHTML instead of HTML)
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40
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41 log = getLogger(__name__)
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42
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43 CATEGORY = D_("Composition")
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44 NAME = "Syntax"
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45 _SYNTAX_XHTML = "xhtml" # must be lower case
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46 _SYNTAX_CURRENT = "@CURRENT@"
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47
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48 # TODO: check/adapt following list
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49 # list initialy based on feedparser list (http://pythonhosted.org/feedparser/html-sanitization.html)
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50 STYLES_WHITELIST = (
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51 "azimuth",
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52 "background-color",
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53 "border-bottom-color",
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54 "border-collapse",
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55 "border-color",
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56 "border-left-color",
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57 "border-right-color",
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58 "border-top-color",
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59 "clear",
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60 "color",
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61 "cursor",
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62 "direction",
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63 "display",
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64 "elevation",
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65 "float",
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66 "font",
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67 "font-family",
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68 "font-size",
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69 "font-style",
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70 "font-variant",
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71 "font-weight",
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72 "height",
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73 "letter-spacing",
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74 "line-height",
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75 "overflow",
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76 "pause",
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77 "pause-after",
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78 "pause-before",
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79 "pitch",
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80 "pitch-range",
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81 "richness",
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82 "speak",
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83 "speak-header",
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84 "speak-numeral",
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85 "speak-punctuation",
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86 "speech-rate",
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87 "stress",
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88 "text-align",
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89 "text-decoration",
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90 "text-indent",
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91 "unicode-bidi",
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92 "vertical-align",
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93 "voice-family",
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94 "volume",
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95 "white-space",
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96 "width",
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97 )
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98
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99 # cf. https://www.w3.org/TR/html/syntax.html#void-elements
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100 VOID_ELEMENTS = (
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101 "area",
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102 "base",
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103 "br",
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104 "col",
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105 "embed",
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106 "hr",
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107 "img",
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108 "input",
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109 "keygen",
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110 "link",
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111 "menuitem",
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112 "meta",
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113 "param",
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114 "source",
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115 "track",
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116 "wbr")
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117
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118 SAFE_ATTRS = html.defs.safe_attrs.union(("style", "poster", "controls"))
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119 STYLES_VALUES_REGEX = (
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120 r"^("
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121 + "|".join(
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122 [
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123 "([a-z-]+)", # alphabetical names
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124 "(#[0-9a-f]+)", # hex value
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125 "(\d+(.\d+)? *(|%|em|ex|px|in|cm|mm|pt|pc))", # values with units (or not)
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126 "rgb\( *((\d+(.\d+)?), *){2}(\d+(.\d+)?) *\)", # rgb function
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127 "rgba\( *((\d+(.\d+)?), *){3}(\d+(.\d+)?) *\)", # rgba function
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128 ]
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129 )
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130 + ") *(!important)?$"
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131 ) # we accept "!important" at the end
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132 STYLES_ACCEPTED_VALUE = re.compile(STYLES_VALUES_REGEX)
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133
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134 PLUGIN_INFO = {
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135 C.PI_NAME: "Text syntaxes",
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136 C.PI_IMPORT_NAME: "TEXT_SYNTAXES",
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parents: 2106
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137 C.PI_TYPE: "MISC",
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parents: 2106
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138 C.PI_PROTOCOLS: [],
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parents: 2106
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139 C.PI_DEPENDENCIES: [],
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parents: 2106
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140 C.PI_MAIN: "TextSyntaxes",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO
Goffi <goffi@goffi.org>
parents: 2106
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141 C.PI_HANDLER: "no",
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142 C.PI_DESCRIPTION: _(
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143 """Management of various text syntaxes (XHTML-IM, Markdown, etc)"""
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Goffi <goffi@goffi.org>
parents: 2562
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144 ),
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
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145 }
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
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146
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
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147
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
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148 class TextSyntaxes(object):
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Goffi <goffi@goffi.org>
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149 """ Text conversion class
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Goffi <goffi@goffi.org>
parents:
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150 XHTML utf-8 is used as intermediate language for conversions
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Goffi <goffi@goffi.org>
parents:
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151 """
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Goffi <goffi@goffi.org>
parents:
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152
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Goffi <goffi@goffi.org>
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153 OPT_DEFAULT = "DEFAULT"
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Goffi <goffi@goffi.org>
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154 OPT_HIDDEN = "HIDDEN"
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Goffi <goffi@goffi.org>
parents:
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155 OPT_NO_THREAD = "NO_THREAD"
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Goffi <goffi@goffi.org>
parents:
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156 SYNTAX_XHTML = _SYNTAX_XHTML
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Goffi <goffi@goffi.org>
parents:
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157 SYNTAX_MARKDOWN = "markdown"
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c4b22aedb7d7 plugin groupblog, XEP-0071, XEP-0277, text_syntaxes: manage raw/rich/xhtml data for content/title:
souliane <souliane@mailoo.org>
parents: 811
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158 SYNTAX_TEXT = "text"
2324
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Goffi <goffi@goffi.org>
parents: 2145
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159 syntaxes = {}
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148d30147890 plugin text syntaxes: fixed default syntax
Goffi <goffi@goffi.org>
parents: 2786
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160 # default_syntax must be lower case
2324
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Goffi <goffi@goffi.org>
parents: 2145
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161 default_syntax = SYNTAX_XHTML
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162
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Goffi <goffi@goffi.org>
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163 params = """
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
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164 <params>
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Goffi <goffi@goffi.org>
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165 <individual>
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Goffi <goffi@goffi.org>
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166 <category name="%(category_name)s" label="%(category_label)s">
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souliane <souliane@mailoo.org>
parents: 852
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167 <param name="%(name)s" label="%(label)s" type="list" security="0">
665
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Goffi <goffi@goffi.org>
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168 %(options)s
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Goffi <goffi@goffi.org>
parents:
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169 </param>
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Goffi <goffi@goffi.org>
parents:
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170 </category>
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Goffi <goffi@goffi.org>
parents:
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171 </individual>
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Goffi <goffi@goffi.org>
parents:
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172 </params>
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Goffi <goffi@goffi.org>
parents:
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173 """
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Goffi <goffi@goffi.org>
parents:
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174
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Goffi <goffi@goffi.org>
parents:
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175 params_data = {
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176 "category_name": CATEGORY,
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Goffi <goffi@goffi.org>
parents: 2562
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177 "category_label": _(CATEGORY),
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Goffi <goffi@goffi.org>
parents: 2562
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178 "name": NAME,
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Goffi <goffi@goffi.org>
parents: 2562
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179 "label": _(NAME),
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Goffi <goffi@goffi.org>
parents: 2562
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180 "syntaxes": syntaxes,
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Goffi <goffi@goffi.org>
parents: 2562
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181 }
665
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Goffi <goffi@goffi.org>
parents:
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182
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
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183 def __init__(self, host):
993
301b342c697a core: use of the new core.log module:
Goffi <goffi@goffi.org>
parents: 968
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184 log.info(_("Text syntaxes plugin initialization"))
665
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Goffi <goffi@goffi.org>
parents:
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185 self.host = host
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Goffi <goffi@goffi.org>
parents: 2562
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186 self.addSyntax(
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Goffi <goffi@goffi.org>
parents: 2562
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187 self.SYNTAX_XHTML,
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Goffi <goffi@goffi.org>
parents: 2562
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188 lambda xhtml: defer.succeed(xhtml),
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Goffi <goffi@goffi.org>
parents: 2562
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189 lambda xhtml: defer.succeed(xhtml),
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
190 TextSyntaxes.OPT_NO_THREAD,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
191 )
1826
d80ccf4bf201 plugin blog import dotclear: this plugin import Dotclear 2 backups
Goffi <goffi@goffi.org>
parents: 1811
diff changeset
192 # TODO: text => XHTML should add <a/> to url like in frontends
d80ccf4bf201 plugin blog import dotclear: this plugin import Dotclear 2 backups
Goffi <goffi@goffi.org>
parents: 1811
diff changeset
193 # it's probably best to move sat_frontends.tools.strings to sat.tools.common or similar
2624
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Goffi <goffi@goffi.org>
parents: 2562
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194 self.addSyntax(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
195 self.SYNTAX_TEXT,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
196 lambda text: escape(text),
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
197 lambda xhtml: self._removeMarkups(xhtml),
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Goffi <goffi@goffi.org>
parents: 2562
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198 [TextSyntaxes.OPT_HIDDEN],
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
199 )
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
200 try:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
201 import markdown, html2text
2873
e1207b8ad97c plugin text syntaxes: disable raw HTML parsing in mardown by default
Goffi <goffi@goffi.org>
parents: 2869
diff changeset
202 from markdown.extensions import Extension
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
203
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
204 # XXX: we disable raw HTML parsing by default, to avoid parsing error
e1207b8ad97c plugin text syntaxes: disable raw HTML parsing in mardown by default
Goffi <goffi@goffi.org>
parents: 2869
diff changeset
205 # when the user is not aware of markdown and HTML
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
206 class EscapeHTML(Extension):
e1207b8ad97c plugin text syntaxes: disable raw HTML parsing in mardown by default
Goffi <goffi@goffi.org>
parents: 2869
diff changeset
207 def extendMarkdown(self, md):
e1207b8ad97c plugin text syntaxes: disable raw HTML parsing in mardown by default
Goffi <goffi@goffi.org>
parents: 2869
diff changeset
208 md.preprocessors.deregister('html_block')
e1207b8ad97c plugin text syntaxes: disable raw HTML parsing in mardown by default
Goffi <goffi@goffi.org>
parents: 2869
diff changeset
209 md.inlinePatterns.deregister('html')
841
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs
souliane <souliane@mailoo.org>
parents: 836
diff changeset
210
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
211 def _html2text(html, baseurl=""):
841
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs
souliane <souliane@mailoo.org>
parents: 836
diff changeset
212 h = html2text.HTML2Text(baseurl=baseurl)
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs
souliane <souliane@mailoo.org>
parents: 836
diff changeset
213 h.body_width = 0 # do not truncate the lines, it breaks the long URLs
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs
souliane <souliane@mailoo.org>
parents: 836
diff changeset
214 return h.handle(html)
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diff changeset
215
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
216 self.addSyntax(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
217 self.SYNTAX_MARKDOWN,
2878
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Goffi <goffi@goffi.org>
parents: 2873
diff changeset
218 partial(markdown.markdown,
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Goffi <goffi@goffi.org>
parents: 2873
diff changeset
219 extensions=[
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
220 EscapeHTML(),
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
221 u'nl2br',
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
222 u'codehilite',
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
223 u'fenced_code',
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
224 u'sane_lists',
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
225 u'tables',
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
226 ],
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
227 extension_configs = {
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
228 u"codehilite": {
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
229 u"css_class": "highlight",
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
230 }
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
231 }),
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
232 _html2text,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
233 [TextSyntaxes.OPT_DEFAULT],
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
234 )
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
235 except ImportError:
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
236 log.warning(u"markdown or html2text not found, can't use Markdown syntax")
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
237 log.info(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
238 u"You can download/install them from https://pythonhosted.org/Markdown/ and https://github.com/Alir3z4/html2text/"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
239 )
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
240 host.bridge.addMethod(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
241 "syntaxConvert",
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
242 ".plugin",
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
243 in_sign="sssbs",
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
244 out_sign="s",
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
245 async=True,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
246 method=self.convert,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
247 )
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
248 host.bridge.addMethod(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
249 "syntaxGet", ".plugin", in_sign="s", out_sign="s", method=self.getSyntax
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
250 )
2782
b17e6fa1e607 core (XMLUI): new XHTMLBox widget:
Goffi <goffi@goffi.org>
parents: 2781
diff changeset
251 if xml_tools.cleanXHTML is None:
b17e6fa1e607 core (XMLUI): new XHTMLBox widget:
Goffi <goffi@goffi.org>
parents: 2781
diff changeset
252 log.debug(u"Installing cleaning method")
b17e6fa1e607 core (XMLUI): new XHTMLBox widget:
Goffi <goffi@goffi.org>
parents: 2781
diff changeset
253 xml_tools.cleanXHTML = self.cleanXHTML
665
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Goffi <goffi@goffi.org>
parents:
diff changeset
254
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
255 def _updateParamOptions(self):
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
256 data_synt = TextSyntaxes.syntaxes
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
257 default_synt = TextSyntaxes.default_syntax
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
258 syntaxes = []
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
259
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
260 for syntax in data_synt.keys():
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
261 flags = data_synt[syntax]["flags"]
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
262 if TextSyntaxes.OPT_HIDDEN not in flags:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
263 syntaxes.append(syntax)
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
264
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
265 syntaxes.sort(key=lambda synt: synt.lower())
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
266 options = []
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
267
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
268 for syntax in syntaxes:
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
269 selected = 'selected="true"' if syntax == default_synt else ""
968
75f3b3b430ff tools, frontends, memory: param definition and XMLUI handle multi-selection for list widgets:
souliane <souliane@mailoo.org>
parents: 852
diff changeset
270 options.append(u'<option value="%s" %s/>' % (syntax, selected))
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
271
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
272 TextSyntaxes.params_data["options"] = u"\n".join(options)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
273 self.host.memory.updateParams(TextSyntaxes.params % TextSyntaxes.params_data)
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
274
702
a25db3fe3959 plugin XEP-0071: rich messages management for sendMessage
Goffi <goffi@goffi.org>
parents: 699
diff changeset
275 def getCurrentSyntax(self, profile):
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
276 """ Return the selected syntax for the given profile
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
277
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
278 @param profile: %(doc_profile)s
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
279 @return: profile selected syntax
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
280 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
281 return self.host.memory.getParamA(NAME, CATEGORY, profile_key=profile)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
282
2106
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
283 def _logError(self, failure, action=u"converting syntax"):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
284 log.error(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
285 u"Error while {action}: {failure}".format(action=action, failure=failure)
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
286 )
2106
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
287 return failure
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
288
2781
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
289 def cleanStyle(self, styles):
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
290 """"Clean unsafe CSS styles
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
291
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
292 Remove styles not in the whitelist, or where the value doesn't match the regex
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
293 @param styles_raw(unicode): CSS styles
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
294 @return (unicode): cleaned styles
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
295 """
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
296 styles = styles.split(";")
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
297 cleaned_styles = []
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
298 for style in styles:
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
299 try:
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
300 key, value = style.split(":")
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
301 except ValueError:
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
302 continue
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
303 key = key.lower().strip()
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
304 if key not in STYLES_WHITELIST:
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
305 continue
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
306 value = value.lower().strip()
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
307 if not STYLES_ACCEPTED_VALUE.match(value):
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
308 continue
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
309 if value == "none":
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
310 continue
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
311 cleaned_styles.append((key, value))
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
312 return "; ".join(
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
313 ["%s: %s" % (key_, value_) for key_, value_ in cleaned_styles]
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
314 )
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
315
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
316 def cleanXHTML(self, xhtml):
2781
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
317 """Clean XHTML text by removing potentially dangerous/malicious parts
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
318
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
319 @param xhtml(unicode, lxml.etree._Element): raw HTML/XHTML text to clean
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
320 @return (unicode): cleaned XHTML
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
321 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
322
2781
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
323 if isinstance(xhtml, basestring):
2786
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
324 try:
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
325 xhtml_elt = html.fromstring(xhtml)
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
326 except etree.ParserError as e:
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
327 if not xhtml.strip():
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
328 return u""
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
329 log.error(u"Can't clean XHTML: {xhtml}".format(xhtml=xhtml))
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
330 raise e
2781
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
331 elif isinstance(xhtml, html.HtmlElement):
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
332 xhtml_elt = xhtml
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
333 else:
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
334 log.error("Only strings and HtmlElements can be cleaned")
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
335 raise exceptions.DataError
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
336 cleaner = clean.Cleaner(
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
337 style=False, add_nofollow=False, safe_attrs=SAFE_ATTRS
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
338 )
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
339 xhtml_elt = cleaner.clean_html(xhtml_elt)
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
340 for elt in xhtml_elt.xpath("//*[@style]"):
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
341 elt.set("style", self.cleanStyle(elt.get("style")))
2786
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
342 # we remove self-closing elements for non-void elements
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
343 for element in xhtml_elt.iter(tag=etree.Element):
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
344 if not element.text:
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
345 if element.tag in VOID_ELEMENTS:
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
346 element.text = None
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
347 else:
be8405795e09 plugin text syntaxes: handle empty content in cleanXHTML + don't use self-closing tags for non-void elements.
Goffi <goffi@goffi.org>
parents: 2782
diff changeset
348 element.text = u''
2781
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
349 return html.tostring(xhtml_elt, encoding=unicode, method="xml")
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
350
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
351 def convert(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
352 self, text, syntax_from, syntax_to=_SYNTAX_XHTML, safe=True, profile=None
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
353 ):
1803
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
354 """Convert a text between two syntaxes
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
355
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
356 @param text: text to convert
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
357 @param syntax_from: source syntax (e.g. "markdown")
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
358 @param syntax_to: dest syntax (e.g.: "XHTML")
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
359 @param safe: clean resulting XHTML to avoid malicious code if True
2781
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
360 @param profile: needed only when syntax_from or syntax_to is set to
816be0a23877 plugin text syntaxes: cleanStyle is an independent method, cleanXHTML is now blocking (no need to launch thread for that)
Goffi <goffi@goffi.org>
parents: 2780
diff changeset
361 _SYNTAX_CURRENT
1803
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
362 @return(unicode): converted text
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
363 """
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
364 # FIXME: convert should be abled to handle domish.Element directly
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
365 # when dealing with XHTML
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
366 # TODO: a way for parser to return parsing errors/warnings
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
367
744
312a2842b2b8 plugins text-syntaxes: added a default value to use the current user syntax in convert
souliane <souliane@mailoo.org>
parents: 705
diff changeset
368 if syntax_from == _SYNTAX_CURRENT:
312a2842b2b8 plugins text-syntaxes: added a default value to use the current user syntax in convert
souliane <souliane@mailoo.org>
parents: 705
diff changeset
369 syntax_from = self.getCurrentSyntax(profile)
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
370 else:
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
371 syntax_from = syntax_from.lower().strip()
744
312a2842b2b8 plugins text-syntaxes: added a default value to use the current user syntax in convert
souliane <souliane@mailoo.org>
parents: 705
diff changeset
372 if syntax_to == _SYNTAX_CURRENT:
312a2842b2b8 plugins text-syntaxes: added a default value to use the current user syntax in convert
souliane <souliane@mailoo.org>
parents: 705
diff changeset
373 syntax_to = self.getCurrentSyntax(profile)
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
374 else:
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
375 syntax_to = syntax_to.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
376 syntaxes = TextSyntaxes.syntaxes
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
377 if syntax_from not in syntaxes:
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
378 raise exceptions.NotFound(syntax_from)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
379 if syntax_to not in syntaxes:
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
380 raise exceptions.NotFound(syntax_to)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
381 d = None
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
382
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
383 if TextSyntaxes.OPT_NO_THREAD in syntaxes[syntax_from]["flags"]:
1803
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
384 d = defer.maybeDeferred(syntaxes[syntax_from]["to"], text)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
385 else:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
386 d = deferToThread(syntaxes[syntax_from]["to"], text)
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
387
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
388 # TODO: keep only body element and change it to a div here ?
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
389
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
390 if safe:
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
391 d.addCallback(self.cleanXHTML)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
392
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
393 if TextSyntaxes.OPT_NO_THREAD in syntaxes[syntax_to]["flags"]:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
394 d.addCallback(syntaxes[syntax_to]["from"])
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
395 else:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
396 d.addCallback(lambda xhtml: deferToThread(syntaxes[syntax_to]["from"], xhtml))
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
397
836
2cc0201b4613 plugin text_syntaxes: rstrip the conversion result to avoid new lines systematically added by converters (e.g. html2text do this)
souliane <souliane@mailoo.org>
parents: 832
diff changeset
398 # converters can add new lines that disturb the microblog change detection
2cc0201b4613 plugin text_syntaxes: rstrip the conversion result to avoid new lines systematically added by converters (e.g. html2text do this)
souliane <souliane@mailoo.org>
parents: 832
diff changeset
399 d.addCallback(lambda text: text.rstrip())
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
400 return d
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
401
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
402 def addSyntax(self, name, to_xhtml_cb, from_xhtml_cb, flags=None):
1803
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
403 """Add a new syntax to the manager
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
404
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
405 @param name: unique name of the syntax
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
406 @param to_xhtml_cb: callback to convert from syntax to XHTML
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
407 @param from_xhtml_cb: callback to convert from XHTML to syntax
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
408 @param flags: set of optional flags, can be:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
409 TextSyntaxes.OPT_DEFAULT: use as the default syntax (replace former one)
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
410 TextSyntaxes.OPT_HIDDEN: do not show in parameters
1803
14a97a5fe1c0 plugin text syntaxes: a non blocking syntax callback can now return a unicode directly instead of a Deferred
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
411 TextSyntaxes.OPT_NO_THREAD: do not defer to thread when converting (the callback may then return a deferred)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
412 """
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
413 flags = flags if flags is not None else []
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
414 if TextSyntaxes.OPT_HIDDEN in flags and TextSyntaxes.OPT_DEFAULT in flags:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
415 raise ValueError(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
416 u"{} and {} are mutually exclusive".format(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
417 TextSyntaxes.OPT_HIDDEN, TextSyntaxes.OPT_DEFAULT
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
418 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
419 )
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
420
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
421 syntaxes = TextSyntaxes.syntaxes
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
422 key = name.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
423 if key in syntaxes:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
424 raise exceptions.ConflictError(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
425 u"This syntax key already exists: {}".format(key)
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
426 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
427 syntaxes[key] = {
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
428 "name": name,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
429 "to": to_xhtml_cb,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
430 "from": from_xhtml_cb,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
431 "flags": flags,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
432 }
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
433 if TextSyntaxes.OPT_DEFAULT in flags:
2869
148d30147890 plugin text syntaxes: fixed default syntax
Goffi <goffi@goffi.org>
parents: 2786
diff changeset
434 TextSyntaxes.default_syntax = key
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
435
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
436 self._updateParamOptions()
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
437
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
438 def getSyntax(self, name):
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
439 """get syntax key corresponding to a name
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
440
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
441 @raise exceptions.NotFound: syntax doesn't exist
832
c4b22aedb7d7 plugin groupblog, XEP-0071, XEP-0277, text_syntaxes: manage raw/rich/xhtml data for content/title:
souliane <souliane@mailoo.org>
parents: 811
diff changeset
442 """
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
443 key = name.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
444 if key in self.syntaxes:
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
445 return key
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
446 raise exceptions.NotFound
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
447
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
448 def _removeMarkups(self, xhtml):
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
449 """Remove XHTML markups from the given string.
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
450
832
c4b22aedb7d7 plugin groupblog, XEP-0071, XEP-0277, text_syntaxes: manage raw/rich/xhtml data for content/title:
souliane <souliane@mailoo.org>
parents: 811
diff changeset
451 @param xhtml: the XHTML string to be cleaned
c4b22aedb7d7 plugin groupblog, XEP-0071, XEP-0277, text_syntaxes: manage raw/rich/xhtml data for content/title:
souliane <souliane@mailoo.org>
parents: 811
diff changeset
452 @return: the cleaned string
c4b22aedb7d7 plugin groupblog, XEP-0071, XEP-0277, text_syntaxes: manage raw/rich/xhtml data for content/title:
souliane <souliane@mailoo.org>
parents: 811
diff changeset
453 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
454 cleaner = clean.Cleaner(kill_tags=["style"])
832
c4b22aedb7d7 plugin groupblog, XEP-0071, XEP-0277, text_syntaxes: manage raw/rich/xhtml data for content/title:
souliane <souliane@mailoo.org>
parents: 811
diff changeset
455 cleaned = cleaner.clean_html(html.fromstring(xhtml))
852
4cc55e05266d plugin text syntaxes: fixed cleaners encoding
Goffi <goffi@goffi.org>
parents: 841
diff changeset
456 return html.tostring(cleaned, encoding=unicode, method="text")