libervia-backend: src/plugins/plugin_misc_text

annotate src/plugins/plugin_misc_text_syntaxes.py @ 2509:d485e9416493

core (memory/cache): common cache: host has now a common_cache attribute for data which can be shared between profiles. client.cache is for private data

author	Goffi <goffi@goffi.org>
date	Fri, 02 Mar 2018 17:40:09 +0100
parents	0046283a285d
children

rev	line source
1934 2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang Goffi <goffi@goffi.org> parents: 1867 diff changeset	1 #!/usr/bin/env python2
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	2 # -- coding: utf-8 --
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	3
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	4 # SAT plugin for managing various text syntaxes
2483 0046283a285d dates update Goffi <goffi@goffi.org> parents: 2414 diff changeset	5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	6
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	7 # This program is free software: you can redistribute it and/or modify
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	10 # (at your option) any later version.
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	11
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	12 # This program is distributed in the hope that it will be useful,
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	16
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	17 # You should have received a copy of the GNU Affero General Public License
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	19
771 bfabeedbf32e core: i18n refactoring: Goffi <goffi@goffi.org> parents: 744 diff changeset	20 from sat.core.i18n import _, D_
2145 33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	21 from sat.core.constants import Const as C
993 301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 968 diff changeset	22 from sat.core.log import getLogger
301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 968 diff changeset	23 log = getLogger(__name__)
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	24
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	25 from twisted.internet import defer
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	26 from twisted.internet.threads import deferToThread
705 6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	27 from sat.core import exceptions
1542 94901070478e plugins: added new MissingModule exceptions to plugins using third party modules Goffi <goffi@goffi.org> parents: 1458 diff changeset	28 try:
94901070478e plugins: added new MissingModule exceptions to plugins using third party modules Goffi <goffi@goffi.org> parents: 1458 diff changeset	29 from lxml import html
94901070478e plugins: added new MissingModule exceptions to plugins using third party modules Goffi <goffi@goffi.org> parents: 1458 diff changeset	30 from lxml.html import clean
94901070478e plugins: added new MissingModule exceptions to plugins using third party modules Goffi <goffi@goffi.org> parents: 1458 diff changeset	31 except ImportError:
94901070478e plugins: added new MissingModule exceptions to plugins using third party modules Goffi <goffi@goffi.org> parents: 1458 diff changeset	32 raise exceptions.MissingModule(u"Missing module lxml, please download/install it from http://lxml.de/")
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	33 from cgi import escape
692 e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	34 import re
674 fb0b1100c908 plugin text_syntaxes: fixed clean_xhml (it now return XHTML instead of HTML) Goffi <goffi@goffi.org> parents: 665 diff changeset	35
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	36
771 bfabeedbf32e core: i18n refactoring: Goffi <goffi@goffi.org> parents: 744 diff changeset	37 CATEGORY = D_("Composition")
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	38 NAME = "Syntax"
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	39 _SYNTAX_XHTML = "XHTML"
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	40 _SYNTAX_CURRENT = "@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	41
692 e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	42 # TODO: check/adapt following list
1805 3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	43 # list initialy based on feedparser list (http://pythonhosted.org/feedparser/html-sanitization.html)
3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	44 STYLES_WHITELIST = ("azimuth", "background-color", "border-bottom-color", "border-collapse", "border-color", "border-left-color", "border-right-color", "border-top-color", "clear", "color", "cursor", "direction", "display", "elevation", "float", "font", "font-family", "font-size", "font-style", "font-variant", "font-weight", "height", "letter-spacing", "line-height", "overflow", "pause", "pause-after", "pause-before", "pitch", "pitch-range", "richness", "speak", "speak-header", "speak-numeral", "speak-punctuation", "speech-rate", "stress", "text-align", "text-decoration", "text-indent", "unicode-bidi", "vertical-align", "voice-family", "volume", "white-space", "width")
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	45
1867 47108a4f3a70 plugin text syntaxes: added 'poster' and 'controls' in allowed attributes for cleanXHTML Goffi <goffi@goffi.org> parents: 1847 diff changeset	46 SAFE_ATTRS = html.defs.safe_attrs.union(('style', 'poster', 'controls'))
692 e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	47 STYLES_VALUES_REGEX = r'^(' + '\|'.join(['([a-z-]+)', # alphabetical names
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	48 '(#[0-9a-f]+)', # hex value
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	49 '(\d+(.\d+)? *(\|%\|em\|ex\|px\|in\|cm\|mm\|pt\|pc))', # values with units (or not)
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	50 'rgb$ ((\d+(.\d+)?), ){2}(\d+(.\d+)?) *$', # rgb function
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	51 'rgba$ ((\d+(.\d+)?), ){3}(\d+(.\d+)?) *$', # rgba function
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	52 ]) + ') *(!important)?$' # we accept "!important" at the end
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	53 STYLES_ACCEPTED_VALUE = re.compile(STYLES_VALUES_REGEX)
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	54
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	55 PLUGIN_INFO = {
2145 33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	56 C.PI_NAME: "Text syntaxes",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	57 C.PI_IMPORT_NAME: "TEXT-SYNTAXES",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	58 C.PI_TYPE: "MISC",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	59 C.PI_PROTOCOLS: [],
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	60 C.PI_DEPENDENCIES: [],
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	61 C.PI_MAIN: "TextSyntaxes",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	62 C.PI_HANDLER: "no",
33c8c4973743 core (plugins): added missing contants + use of new constants in PLUGIN_INFO Goffi <goffi@goffi.org> parents: 2106 diff changeset	63 C.PI_DESCRIPTION: _("""Management of various text syntaxes (XHTML-IM, Markdown, etc)""")
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	64 }
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	65
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	66
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	67 class TextSyntaxes(object):
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	68 """ Text conversion class
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	69 XHTML utf-8 is used as intermediate language for conversions
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	70 """
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	71
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	72 OPT_DEFAULT = "DEFAULT"
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	73 OPT_HIDDEN = "HIDDEN"
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	74 OPT_NO_THREAD = "NO_THREAD"
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	75 SYNTAX_XHTML = _SYNTAX_XHTML
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	76 SYNTAX_MARKDOWN = "markdown"
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	77 SYNTAX_TEXT = "text"
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	78 syntaxes = {}
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	79 default_syntax = SYNTAX_XHTML
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	80
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	81 params = """
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	82 <params>
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	83 <individual>
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	84 <category name="%(category_name)s" label="%(category_label)s">
968 75f3b3b430ff tools, frontends, memory: param definition and XMLUI handle multi-selection for list widgets: souliane <souliane@mailoo.org> parents: 852 diff changeset	85 <param name="%(name)s" label="%(label)s" type="list" security="0">
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	86 %(options)s
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	87 </param>
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	88 </category>
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	89 </individual>
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	90 </params>
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	91 """
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	92
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	93 params_data = {
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	94 'category_name': CATEGORY,
771 bfabeedbf32e core: i18n refactoring: Goffi <goffi@goffi.org> parents: 744 diff changeset	95 'category_label': _(CATEGORY),
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	96 'name': NAME,
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	97 'label': _(NAME),
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	98 'syntaxes': syntaxes,
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	99 }
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	100
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	101 def __init__(self, host):
993 301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 968 diff changeset	102 log.info(_("Text syntaxes plugin initialization"))
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	103 self.host = host
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	104 self.addSyntax(self.SYNTAX_XHTML, lambda xhtml: defer.succeed(xhtml), lambda xhtml: defer.succeed(xhtml),
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	105 TextSyntaxes.OPT_NO_THREAD)
1826 d80ccf4bf201 plugin blog import dotclear: this plugin import Dotclear 2 backups Goffi <goffi@goffi.org> parents: 1811 diff changeset	106 # 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	107 # it's probably best to move sat_frontends.tools.strings to sat.tools.common or similar
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	108 self.addSyntax(self.SYNTAX_TEXT, lambda text: escape(text), lambda xhtml: self._removeMarkups(xhtml), [TextSyntaxes.OPT_HIDDEN])
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	109 try:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	110 import markdown, html2text
841 831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs souliane <souliane@mailoo.org> parents: 836 diff changeset	111
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs souliane <souliane@mailoo.org> parents: 836 diff changeset	112 def _html2text(html, baseurl=''):
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs souliane <souliane@mailoo.org> parents: 836 diff changeset	113 h = html2text.HTML2Text(baseurl=baseurl)
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs souliane <souliane@mailoo.org> parents: 836 diff changeset	114 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	115 return h.handle(html)
831f208b4ea3 plugin text_syntaxes: html2text was breaking the long URLs souliane <souliane@mailoo.org> parents: 836 diff changeset	116 self.addSyntax(self.SYNTAX_MARKDOWN, markdown.markdown, _html2text, [TextSyntaxes.OPT_DEFAULT])
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	117 except ImportError:
1805 3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	118 log.warning(u"markdown or html2text not found, can't use Markdown syntax")
3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	119 log.info(u"You can download/install them from https://pythonhosted.org/Markdown/ and https://github.com/Alir3z4/html2text/")
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	120 host.bridge.addMethod("syntaxConvert", ".plugin", in_sign='sssbs', out_sign='s',
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	121 async=True, method=self.convert)
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	122 host.bridge.addMethod("syntaxGet", ".plugin", in_sign='s', out_sign='s',
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	123 method=self.getSyntax)
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	124
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	125 def _updateParamOptions(self):
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	126 data_synt = TextSyntaxes.syntaxes
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	127 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	128 syntaxes = []
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	129
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	130 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	131 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	132 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	133 syntaxes.append(syntax)
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	134
1805 3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	135 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	136 options = []
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	137
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	138 for syntax in syntaxes:
1847 d8c6c55aafd7 plugin text syntaxes: fixed defaut syntax handling Goffi <goffi@goffi.org> parents: 1826 diff changeset	139 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	140 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	141
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	142 TextSyntaxes.params_data["options"] = u'\n'.join(options)
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	143 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	144
702 a25db3fe3959 plugin XEP-0071: rich messages management for sendMessage Goffi <goffi@goffi.org> parents: 699 diff changeset	145 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	146 """ 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	147
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	148 @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	149 @return: profile selected syntax
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	150 """
699 e819630c6737 plugin text syntaxes: fixed bad parameter order for getParamA Goffi <goffi@goffi.org> parents: 695 diff changeset	151 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	152
2106 5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure Goffi <goffi@goffi.org> parents: 1934 diff changeset	153 def _logError(self, failure, action=u"converting syntax"):
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure Goffi <goffi@goffi.org> parents: 1934 diff changeset	154 log.error(u"Error while {action}: {failure}".format(action=action, failure=failure))
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure Goffi <goffi@goffi.org> parents: 1934 diff changeset	155 return failure
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure Goffi <goffi@goffi.org> parents: 1934 diff changeset	156
1805 3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	157 def cleanXHTML(self, xhtml):
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	158 """ Clean XHTML text by removing potentially dangerous/malicious parts
705 6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	159 @param xhtml: raw xhtml text to clean (or lxml's HtmlElement)
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	160 """
674 fb0b1100c908 plugin text_syntaxes: fixed clean_xhml (it now return XHTML instead of HTML) Goffi <goffi@goffi.org> parents: 665 diff changeset	161 def blocking_cleaning(xhtml):
692 e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	162 """ Clean XHTML and style attributes """
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	163
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	164 def clean_style(styles_raw):
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	165 """" Remove styles not in the whitelist,
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	166 or where the value doesn't match the regex """
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	167 styles = styles_raw.split(";")
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	168 cleaned_styles = []
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	169 for style in styles:
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	170 try:
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	171 key, value = style.split(':')
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	172 except ValueError:
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	173 continue
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	174 key = key.lower().strip()
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	175 if key not in STYLES_WHITELIST:
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	176 continue
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	177 value = value.lower().strip()
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	178 if not STYLES_ACCEPTED_VALUE.match(value):
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	179 continue
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	180 if value == "none":
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	181 continue
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	182 cleaned_styles.append((key, value))
1458 832846fefe85 plugin text-syntaxes: minor variable renaming Goffi <goffi@goffi.org> parents: 1396 diff changeset	183 return "; ".join(["%s: %s" % (key_, value_) for key_, value_ in cleaned_styles])
692 e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	184
705 6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	185 if isinstance(xhtml, basestring):
6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	186 xhtml_elt = html.fromstring(xhtml)
6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	187 elif isinstance(xhtml, html.HtmlElement):
6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	188 xhtml_elt = xhtml
6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	189 else:
993 301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 968 diff changeset	190 log.error("Only strings and HtmlElements can be cleaned")
705 6c8a119dcc94 plugin text syntaxes: clean_xhtml now accept lxml's HtmlElement to avoid parsing two times the same xml Goffi <goffi@goffi.org> parents: 702 diff changeset	191 raise exceptions.DataError
674 fb0b1100c908 plugin text_syntaxes: fixed clean_xhml (it now return XHTML instead of HTML) Goffi <goffi@goffi.org> parents: 665 diff changeset	192 cleaner = clean.Cleaner(style=False,
fb0b1100c908 plugin text_syntaxes: fixed clean_xhml (it now return XHTML instead of HTML) Goffi <goffi@goffi.org> parents: 665 diff changeset	193 add_nofollow=False,
692 e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	194 safe_attrs=SAFE_ATTRS)
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	195 xhtml_elt = cleaner.clean_html(xhtml_elt)
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	196 for elt in xhtml_elt.xpath("//*[@style]"):
e98db42cd78c plugin text syntaxes: styles sanitisation Goffi <goffi@goffi.org> parents: 674 diff changeset	197 elt.set("style", clean_style(elt.get('style')))
852 4cc55e05266d plugin text syntaxes: fixed cleaners encoding Goffi <goffi@goffi.org> parents: 841 diff changeset	198 return html.tostring(xhtml_elt, encoding=unicode, method='xml')
674 fb0b1100c908 plugin text_syntaxes: fixed clean_xhml (it now return XHTML instead of HTML) Goffi <goffi@goffi.org> parents: 665 diff changeset	199
2106 5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure Goffi <goffi@goffi.org> parents: 1934 diff changeset	200 d = deferToThread(blocking_cleaning, xhtml)
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure Goffi <goffi@goffi.org> parents: 1934 diff changeset	201 d.addErrback(self._logError, action=u"cleaning syntax")
5874da3811b7 plugin text syntaxes: log error on cleanXHTML failure Goffi <goffi@goffi.org> parents: 1934 diff changeset	202 return d
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	203
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	204 def convert(self, text, syntax_from, syntax_to=_SYNTAX_XHTML, safe=True, 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	205 """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	206
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	207 @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	208 @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	209 @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	210 @param safe: clean resulting XHTML to avoid malicious code if True
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	211 @param profile: needed only when syntax_from or syntax_to is set to _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	212 @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	213 """
1805 3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	214 # 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	215 # when dealing with XHTML
3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	216 # 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	217
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	218 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	219 syntax_from = self.getCurrentSyntax(profile)
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	220 else:
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	221 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	222 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	223 syntax_to = self.getCurrentSyntax(profile)
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	224 else:
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	225 syntax_to = syntax_to.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	226 syntaxes = TextSyntaxes.syntaxes
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	227 if syntax_from not in syntaxes:
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	228 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	229 if syntax_to not in syntaxes:
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	230 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	231 d = None
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	232
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	233 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	234 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	235 else:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	236 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	237
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	238 #TODO: keep only body element and change it to a div here ?
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	239
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	240 if safe:
1805 3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	241 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	242
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	243 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	244 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	245 else:
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	246 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	247
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	248 # 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	249 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	250 return d
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	251
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	252 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	253 """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	254
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	255 @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	256 @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	257 @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	258 @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	259 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	260 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	261 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	262 """
1805 3c40fa0dcd7a pluging text syntaxes: various minor improvments: Goffi <goffi@goffi.org> parents: 1803 diff changeset	263 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	264 if TextSyntaxes.OPT_HIDDEN in flags and TextSyntaxes.OPT_DEFAULT in 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	265 raise ValueError(u"{} and {} are mutually exclusive".format(TextSyntaxes.OPT_HIDDEN, TextSyntaxes.OPT_DEFAULT))
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	266
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	267 syntaxes = TextSyntaxes.syntaxes
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	268 key = name.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	269 if key in syntaxes:
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	270 raise exceptions.ConflictError(u"This syntax key already exists: {}".format(key))
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	271 syntaxes[key] = {"name": name, "to": to_xhtml_cb, "from": from_xhtml_cb, "flags": flags}
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	272 if TextSyntaxes.OPT_DEFAULT in flags:
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	273 TextSyntaxes.default_syntaxe = key
665 6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	274
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	275 self._updateParamOptions()
6a64e0a759e6 plugin text syntaxes: this plugin manage rich text syntaxes conversions and cleaning. Goffi <goffi@goffi.org> parents: diff changeset	276
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	277 def getSyntax(self, name):
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	278 """get syntax key corresponding to a name
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	279
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	280 @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	281 """
2324 fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	282 key = name.lower().strip()
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	283 if key in self.syntaxes:
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	284 return key
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	285 raise exceptions.NotFound
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	286
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	287 def _removeMarkups(self, xhtml):
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	288 """Remove XHTML markups from the given string.
fe922e6fabd4 plugin text syntaxes: various improvments: Goffi <goffi@goffi.org> parents: 2145 diff changeset	289
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	290 @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	291 @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	292 """
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	293 cleaner = clean.Cleaner(kill_tags=['style'])
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	294 cleaned = cleaner.clean_html(html.fromstring(xhtml))
852 4cc55e05266d plugin text syntaxes: fixed cleaners encoding Goffi <goffi@goffi.org> parents: 841 diff changeset	295 return html.tostring(cleaned, encoding=unicode, method="text")

Mercurial > libervia-backend

annotate src/plugins/plugin_misc_text_syntaxes.py @ 2509:d485e9416493