Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_misc_text_syntaxes.py @ 4163:3b3cd9453d9b

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plugin XEP-0308: implement Last Message Correction
author Goffi <goffi@goffi.org>
date Tue, 28 Nov 2023 17:38:31 +0100
parents 26b7ed2817da
children ba28ca268f4a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin for managing various text syntaxes
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5 # Copyright (C) 2009-2021 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 from functools import partial
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21 from html import escape
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22 import re
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23 from typing import Set
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24
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25 from twisted.internet import defer
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26 from twisted.internet.threads import deferToThread
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27
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28 from libervia.backend.core import exceptions
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29 from libervia.backend.core.constants import Const as C
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30 from libervia.backend.core.i18n import D_, _
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31 from libervia.backend.core.log import getLogger
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32 from libervia.backend.tools import xml_tools
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33
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34 try:
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35 from lxml import html
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36 from lxml.html import clean
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37 from lxml import etree
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38 except ImportError:
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39 raise exceptions.MissingModule(
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40 "Missing module lxml, please download/install it from http://lxml.de/"
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41 )
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42
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43 log = getLogger(__name__)
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44
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45 CATEGORY = D_("Composition")
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46 NAME = "Syntax"
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47 _SYNTAX_XHTML = "xhtml" # must be lower case
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48 _SYNTAX_CURRENT = "@CURRENT@"
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49
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50 # TODO: check/adapt following list
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51 # list initialy based on feedparser list (http://pythonhosted.org/feedparser/html-sanitization.html)
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52 STYLES_WHITELIST = (
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53 "azimuth",
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54 "background-color",
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55 "border-bottom-color",
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56 "border-collapse",
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57 "border-color",
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58 "border-left-color",
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59 "border-right-color",
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60 "border-top-color",
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61 "clear",
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62 "color",
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63 "cursor",
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64 "direction",
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65 "display",
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66 "elevation",
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67 "float",
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68 "font",
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69 "font-family",
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70 "font-size",
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71 "font-style",
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72 "font-variant",
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73 "font-weight",
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74 "height",
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75 "letter-spacing",
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76 "line-height",
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77 "overflow",
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78 "pause",
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79 "pause-after",
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80 "pause-before",
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81 "pitch",
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82 "pitch-range",
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83 "richness",
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84 "speak",
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85 "speak-header",
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86 "speak-numeral",
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87 "speak-punctuation",
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88 "speech-rate",
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89 "stress",
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90 "text-align",
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91 "text-decoration",
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92 "text-indent",
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93 "unicode-bidi",
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94 "vertical-align",
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95 "voice-family",
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96 "volume",
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97 "white-space",
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98 "width",
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99 )
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100
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101 # cf. https://www.w3.org/TR/html/syntax.html#void-elements
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102 VOID_ELEMENTS = (
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103 "area",
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104 "base",
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105 "br",
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106 "col",
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107 "embed",
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108 "hr",
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109 "img",
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110 "input",
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111 "keygen",
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112 "link",
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113 "menuitem",
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114 "meta",
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115 "param",
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116 "source",
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117 "track",
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118 "wbr")
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119
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120 SAFE_ATTRS = html.defs.safe_attrs.union({"style", "poster", "controls"}) - {"id"}
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121 SAFE_CLASSES = {
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122 # those classes are used for code highlighting
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123 "bp", "c", "ch", "cm", "cp", "cpf", "cs", "dl", "err", "fm", "gd", "ge", "get", "gh",
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124 "gi", "go", "gp", "gr", "gs", "gt", "gu", "highlight", "hll", "il", "k", "kc", "kd",
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125 "kn", "kp", "kr", "kt", "m", "mb", "mf", "mh", "mi", "mo", "na", "nb", "nc", "nd",
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126 "ne", "nf", "ni", "nl", "nn", "no", "nt", "nv", "o", "ow", "s", "sa", "sb", "sc",
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127 "sd", "se", "sh", "si", "sr", "ss", "sx", "vc", "vg", "vi", "vm", "w", "write",
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128 }
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129 STYLES_VALUES_REGEX = (
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130 r"^("
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131 + "|".join(
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132 [
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133 "([a-z-]+)", # alphabetical names
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134 "(#[0-9a-f]+)", # hex value
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135 "(\d+(.\d+)? *(|%|em|ex|px|in|cm|mm|pt|pc))", # values with units (or not)
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136 "rgb\( *((\d+(.\d+)?), *){2}(\d+(.\d+)?) *\)", # rgb function
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137 "rgba\( *((\d+(.\d+)?), *){3}(\d+(.\d+)?) *\)", # rgba function
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138 ]
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139 )
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140 + ") *(!important)?$"
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141 ) # we accept "!important" at the end
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Goffi <goffi@goffi.org>
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142 STYLES_ACCEPTED_VALUE = re.compile(STYLES_VALUES_REGEX)
665
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143
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144 PLUGIN_INFO = {
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145 C.PI_NAME: "Text syntaxes",
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146 C.PI_IMPORT_NAME: "TEXT_SYNTAXES",
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parents: 2106
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147 C.PI_TYPE: "MISC",
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148 C.PI_MODES: C.PLUG_MODE_BOTH,
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149 C.PI_PROTOCOLS: [],
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parents: 2106
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150 C.PI_DEPENDENCIES: [],
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parents: 2106
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151 C.PI_MAIN: "TextSyntaxes",
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152 C.PI_HANDLER: "no",
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153 C.PI_DESCRIPTION: _(
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154 """Management of various text syntaxes (XHTML-IM, Markdown, etc)"""
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155 ),
665
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156 }
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Goffi <goffi@goffi.org>
parents:
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157
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
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158
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Goffi <goffi@goffi.org>
parents:
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159 class TextSyntaxes(object):
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Goffi <goffi@goffi.org>
parents:
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160 """ Text conversion class
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Goffi <goffi@goffi.org>
parents:
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161 XHTML utf-8 is used as intermediate language for conversions
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Goffi <goffi@goffi.org>
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162 """
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Goffi <goffi@goffi.org>
parents:
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163
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Goffi <goffi@goffi.org>
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164 OPT_DEFAULT = "DEFAULT"
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Goffi <goffi@goffi.org>
parents:
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165 OPT_HIDDEN = "HIDDEN"
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Goffi <goffi@goffi.org>
parents:
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166 OPT_NO_THREAD = "NO_THREAD"
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Goffi <goffi@goffi.org>
parents:
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167 SYNTAX_XHTML = _SYNTAX_XHTML
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parents:
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168 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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169 SYNTAX_TEXT = "text"
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148d30147890 plugin text syntaxes: fixed default syntax
Goffi <goffi@goffi.org>
parents: 2786
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170 # default_syntax must be lower case
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parents: 2145
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171 default_syntax = SYNTAX_XHTML
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parents:
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172
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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 def __init__(self, host):
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parents: 968
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175 log.info(_("Text syntaxes plugin initialization"))
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Goffi <goffi@goffi.org>
parents:
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176 self.host = host
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177 self.syntaxes = {}
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178
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179 self.params = """
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180 <params>
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181 <individual>
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parents: 3479
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182 <category name="%(category_name)s" label="%(category_label)s">
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parents: 3479
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183 <param name="%(name)s" label="%(label)s" type="list" security="0">
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Goffi <goffi@goffi.org>
parents: 3479
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184 %(options)s
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185 </param>
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parents: 3479
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186 </category>
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187 </individual>
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Goffi <goffi@goffi.org>
parents: 3479
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188 </params>
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Goffi <goffi@goffi.org>
parents: 3479
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189 """
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parents: 3479
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190
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
191 self.params_data = {
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Goffi <goffi@goffi.org>
parents: 3479
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192 "category_name": CATEGORY,
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Goffi <goffi@goffi.org>
parents: 3479
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193 "category_label": _(CATEGORY),
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Goffi <goffi@goffi.org>
parents: 3479
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194 "name": NAME,
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Goffi <goffi@goffi.org>
parents: 3479
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195 "label": _(NAME),
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Goffi <goffi@goffi.org>
parents: 3479
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196 "syntaxes": self.syntaxes,
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
197 }
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parents: 3479
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198
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diff changeset
199 self.add_syntax(
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200 self.SYNTAX_XHTML,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
201 lambda xhtml: defer.succeed(xhtml),
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
202 lambda xhtml: defer.succeed(xhtml),
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
203 TextSyntaxes.OPT_NO_THREAD,
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parents: 2562
diff changeset
204 )
1826
d80ccf4bf201 plugin blog import dotclear: this plugin import Dotclear 2 backups
Goffi <goffi@goffi.org>
parents: 1811
diff changeset
205 # TODO: text => XHTML should add <a/> to url like in frontends
4074
26b7ed2817da refactoring: rename `sat_frontends` to `libervia.frontends`
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
206 # it's probably best to move libervia.frontends.tools.strings to sat.tools.common or similar
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
207 self.add_syntax(
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208 self.SYNTAX_TEXT,
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209 lambda text: escape(text),
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
210 lambda xhtml: self._remove_markups(xhtml),
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Goffi <goffi@goffi.org>
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211 [TextSyntaxes.OPT_HIDDEN],
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parents: 2562
diff changeset
212 )
665
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Goffi <goffi@goffi.org>
parents:
diff changeset
213 try:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
214 import markdown, html2text
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
215 from markdown.extensions import Extension
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
216
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
217 # XXX: we disable raw HTML parsing by default, to avoid parsing error
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parents: 2869
diff changeset
218 # when the user is not aware of markdown and HTML
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
219 class EscapeHTML(Extension):
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00dbc3370d35 plugin text syntaxes: fix `EscapeHTML` following massive snake_case renaming
Goffi <goffi@goffi.org>
parents: 4037
diff changeset
220 def extendMarkdown(self, md):
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
221 md.preprocessors.deregister('html_block')
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Goffi <goffi@goffi.org>
parents: 2869
diff changeset
222 md.inlinePatterns.deregister('html')
841
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souliane <souliane@mailoo.org>
parents: 836
diff changeset
223
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diff changeset
224 def _html2text(html, baseurl=""):
841
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs
souliane <souliane@mailoo.org>
parents: 836
diff changeset
225 h = html2text.HTML2Text(baseurl=baseurl)
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souliane <souliane@mailoo.org>
parents: 836
diff changeset
226 h.body_width = 0 # do not truncate the lines, it breaks the long URLs
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souliane <souliane@mailoo.org>
parents: 836
diff changeset
227 return h.handle(html)
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diff changeset
228
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diff changeset
229 self.add_syntax(
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diff changeset
230 self.SYNTAX_MARKDOWN,
2878
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Goffi <goffi@goffi.org>
parents: 2873
diff changeset
231 partial(markdown.markdown,
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Goffi <goffi@goffi.org>
parents: 2873
diff changeset
232 extensions=[
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Goffi <goffi@goffi.org>
parents: 2873
diff changeset
233 EscapeHTML(),
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
234 'nl2br',
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
235 'codehilite',
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
236 'fenced_code',
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
237 'sane_lists',
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
238 'tables',
2878
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
239 ],
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
240 extension_configs = {
3028
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Goffi <goffi@goffi.org>
parents: 2878
diff changeset
241 "codehilite": {
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Goffi <goffi@goffi.org>
parents: 2878
diff changeset
242 "css_class": "highlight",
2878
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
243 }
a02ad4bc0a6d plugin text syntaxes: activated useful markdown extensions:
Goffi <goffi@goffi.org>
parents: 2873
diff changeset
244 }),
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Goffi <goffi@goffi.org>
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diff changeset
245 _html2text,
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parents: 2562
diff changeset
246 [TextSyntaxes.OPT_DEFAULT],
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parents: 2562
diff changeset
247 )
665
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Goffi <goffi@goffi.org>
parents:
diff changeset
248 except ImportError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
249 log.warning("markdown or html2text not found, can't use Markdown syntax")
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
250 log.info(
3693
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
251 "You can download/install them from https://pythonhosted.org/Markdown/ "
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
252 "and https://github.com/Alir3z4/html2text/"
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diff changeset
253 )
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
254 host.bridge.add_method(
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
255 "syntax_convert",
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
256 ".plugin",
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
257 in_sign="sssbs",
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
258 out_sign="s",
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ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
259 async_=True,
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diff changeset
260 method=self.convert,
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parents: 2562
diff changeset
261 )
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
262 host.bridge.add_method(
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
263 "syntax_get", ".plugin", in_sign="s", out_sign="s", method=self.get_syntax
2624
56f94936df1e code style reformatting using black
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diff changeset
264 )
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
265 if xml_tools.clean_xhtml is None:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
266 log.debug("Installing cleaning method")
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
267 xml_tools.clean_xhtml = self.clean_xhtml
665
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Goffi <goffi@goffi.org>
parents:
diff changeset
268
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
269 def _update_param_options(self):
3620
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
270 data_synt = self.syntaxes
2324
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Goffi <goffi@goffi.org>
parents: 2145
diff changeset
271 default_synt = TextSyntaxes.default_syntax
665
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parents:
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272 syntaxes = []
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
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parents:
diff changeset
273
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Goffi <goffi@goffi.org>
parents: 2878
diff changeset
274 for syntax in list(data_synt.keys()):
665
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Goffi <goffi@goffi.org>
parents:
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275 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
276 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
277 syntaxes.append(syntax)
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
278
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3c40fa0dcd7a pluging text syntaxes: various minor improvments:
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parents: 1803
diff changeset
279 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
280 options = []
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
281
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
282 for syntax in syntaxes:
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Goffi <goffi@goffi.org>
parents: 2562
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283 selected = 'selected="true"' if syntax == default_synt else ""
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
284 options.append('<option value="%s" %s/>' % (syntax, selected))
665
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Goffi <goffi@goffi.org>
parents:
diff changeset
285
3620
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
286 self.params_data["options"] = "\n".join(options)
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
287 self.host.memory.update_params(self.params % self.params_data)
665
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Goffi <goffi@goffi.org>
parents:
diff changeset
288
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
289 def get_current_syntax(self, profile):
665
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Goffi <goffi@goffi.org>
parents:
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290 """ 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
291
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
292 @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
293 @return: profile selected syntax
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
294 """
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
295 return self.host.memory.param_get_a(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
296
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
297 def _log_error(self, failure, action="converting syntax"):
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
298 log.error(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
299 "Error while {action}: {failure}".format(action=action, failure=failure)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
300 )
2106
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
301 return failure
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
302
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524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
303 def clean_style(self, styles_raw: str) -> str:
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
304 """"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
305
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 Remove styles not in the whitelist, or where the value doesn't match the regex
3693
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
307 @param styles_raw: CSS styles
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
308 @return: cleaned styles
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
309 """
3693
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
310 styles: List[str] = styles_raw.split(";")
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
311 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
312 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
313 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
314 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
315 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
316 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
317 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
318 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
319 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
320 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
321 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
322 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
323 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
324 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
325 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
326 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
327 ["%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
328 )
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
329
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
330 def clean_classes(self, classes_raw: str) -> str:
3693
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
331 """Remove any non whitelisted class
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
332
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
333 @param classes_raw: classes set on an element
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
334 @return: remaining classes (can be empty string)
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
335 """
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
336 return " ".join(SAFE_CLASSES.intersection(classes_raw.split()))
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
337
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
338 def clean_xhtml(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
339 """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
340
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 @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
342 @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
343 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
344
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
345 if isinstance(xhtml, str):
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
346 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
347 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
348 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
349 if not xhtml.strip():
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
350 return ""
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
351 log.error("Can't clean XHTML: {xhtml}".format(xhtml=xhtml))
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
352 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
353 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
354 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
355 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
356 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
357 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
358 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
359 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
360 )
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 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
362 for elt in xhtml_elt.xpath("//*[@style]"):
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
363 elt.set("style", self.clean_style(elt.get("style")))
3693
0bbdc50aa405 plugin text syntaxes: remove `id` attributes and whitelist allowed classes:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
364 for elt in xhtml_elt.xpath("//*[@class]"):
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
365 elt.set("class", self.clean_classes(elt.get("class")))
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
366 # 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
367 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
368 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
369 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
370 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
371 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
372 element.text = ''
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
373 return html.tostring(xhtml_elt, encoding=str, method="xml")
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
374
3040
fee60f17ebac jp: jp asyncio port:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
375 def convert(self, text, syntax_from, syntax_to=_SYNTAX_XHTML, safe=True,
fee60f17ebac jp: jp asyncio port:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
376 profile=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
377 """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
378
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
379 @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
380 @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
381 @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
382 @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
383 @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
384 _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
385 @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
386 """
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
387 # 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
388 # when dealing with XHTML
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
389 # 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
390
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
391 if syntax_from == _SYNTAX_CURRENT:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
392 syntax_from = self.get_current_syntax(profile)
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
393 else:
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
394 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
395 if syntax_to == _SYNTAX_CURRENT:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
396 syntax_to = self.get_current_syntax(profile)
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
397 else:
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
398 syntax_to = syntax_to.lower().strip()
3620
f568f304c982 plugin text syntaxes: remove side effect on init:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
399 syntaxes = self.syntaxes
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
400 if syntax_from not in syntaxes:
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
401 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
402 if syntax_to not in syntaxes:
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
403 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
404 d = None
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
405
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
406 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
407 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
408 else:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
409 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
410
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
411 # 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
412
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
413 if safe:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
414 d.addCallback(self.clean_xhtml)
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
415
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
416 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
417 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
418 else:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
419 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
420
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
421 # 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
422 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
423 return d
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
424
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
425 def add_syntax(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
426 """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
427
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
428 @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
429 @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
430 @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
431 @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
432 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
433 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
434 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
435 """
1805
3c40fa0dcd7a pluging text syntaxes: various minor improvments:
Goffi <goffi@goffi.org>
parents: 1803
diff changeset
436 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
437 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
438 raise ValueError(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
439 "{} and {} are mutually exclusive".format(
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
440 TextSyntaxes.OPT_HIDDEN, TextSyntaxes.OPT_DEFAULT
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
441 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
442 )
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
443
3620
f568f304c982 plugin text syntaxes: remove side effect on init:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
444 syntaxes = self.syntaxes
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
445 key = name.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
446 if key in syntaxes:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
447 raise exceptions.ConflictError(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
448 "This syntax key already exists: {}".format(key)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
449 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
450 syntaxes[key] = {
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
451 "name": name,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
452 "to": to_xhtml_cb,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
453 "from": from_xhtml_cb,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
454 "flags": flags,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
455 }
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
456 if TextSyntaxes.OPT_DEFAULT in flags:
2869
148d30147890 plugin text syntaxes: fixed default syntax
Goffi <goffi@goffi.org>
parents: 2786
diff changeset
457 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
458
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
459 self._update_param_options()
665
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning.
Goffi <goffi@goffi.org>
parents:
diff changeset
460
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
461 def get_syntax(self, name):
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
462 """get syntax key corresponding to a name
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
463
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
464 @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
465 """
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
466 key = name.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
467 if key in self.syntaxes:
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
468 return key
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
469 raise exceptions.NotFound
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
470
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3726
diff changeset
471 def _remove_markups(self, xhtml):
2324
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
472 """Remove XHTML markups from the given string.
fe922e6fabd4 plugin text syntaxes: various improvments:
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
473
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
474 @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
475 @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
476 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
477 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
478 cleaned = cleaner.clean_html(html.fromstring(xhtml))
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2878
diff changeset
479 return html.tostring(cleaned, encoding=str, method="text")