Mercurial > libervia-backend
view sat_frontends/tools/strings.py @ 2612:3e4e78de9cca
tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
author | Goffi <goffi@goffi.org> |
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date | Thu, 21 Jun 2018 01:21:44 +0200 |
parents | 26edcf3a30eb |
children | 56f94936df1e |
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#!/usr/bin/env python2 # -*- coding: utf-8 -*- # SAT helpers methods for plugins # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import re # Regexp from http://daringfireball.net/2010/07/improved_regex_for_matching_urls RE_URL = re.compile(r"""(?i)\b((?:[a-z]{3,}://|(www|ftp)\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/|mailto:|xmpp:)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?]))""") # TODO: merge this class with an other module or at least rename it (strings is not a good name) def getURLParams(url): """This comes from pyjamas.Location.makeUrlDict with a small change to also parse full URLs, and parameters with no value specified (in that case the default value "" is used). @param url: any URL with or without parameters @return: a dictionary of the parameters, if any was given, or {} """ dict_ = {} if "/" in url: # keep the part after the last "/" url = url[url.rindex("/") + 1:] if url.startswith("?"): # remove the first "?" url = url[1:] pairs = url.split("&") for pair in pairs: if len(pair) < 3: continue kv = pair.split("=", 1) dict_[kv[0]] = kv[1] if len(kv) > 1 else "" return dict_ def addURLToText(string, new_target=True): """Check a text for what looks like an URL and make it clickable. @param string (unicode): text to process @param new_target (bool): if True, make the link open in a new window """ # XXX: report any change to libervia.browser.strings.addURLToText def repl(match): url = match.group(0) if not re.match(r"""[a-z]{3,}://|mailto:|xmpp:""", url): url = "http://" + url target = ' target="_blank"' if new_target else '' return '<a href="%s"%s class="url">%s</a>' % (url, target, match.group(0)) return RE_URL.sub(repl, string) def addURLToImage(string): """Check a XHTML text for what looks like an imageURL and make it clickable. @param string (unicode): text to process """ # XXX: report any change to libervia.browser.strings.addURLToImage def repl(match): url = match.group(1) return '<a href="%s" target="_blank">%s</a>' % (url, match.group(0)) pattern = r"""<img[^>]* src="([^"]+)"[^>]*>""" return re.sub(pattern, repl, string) def fixXHTMLLinks(xhtml): """Add http:// if the scheme is missing and force opening in a new window. @param string (unicode): XHTML Content """ subs = [] for match in re.finditer(r'<a( \w+="[^"]*")* ?/?>', xhtml): tag = match.group(0) url = re.search(r'href="([^"]*)"', tag) if url and not url.group(1).startswith("#"): # skip internal anchor if not re.search(r'target="([^"]*)"', tag): # no target subs.append((tag, '<a target="_blank"%s' % tag[2:])) if not re.match(r"^\w+://", url.group(1)): # no scheme subs.append((url.group(0), 'href="http://%s"' % url.group(1))) for url, new_url in subs: xhtml = xhtml.replace(url, new_url) return xhtml