Mercurial > libervia-backend
view sat_frontends/tools/xmltools.py @ 3941:036188fff714
plugin pubsub cache: avoid race condition by retrying node request:
When retrieving items, there may be a race condition if a node is not found in cache, then
created before `setPubsubNode` is called. This patch handle this case by retrying in case
of UNIQUE constraint violation.
author | Goffi <goffi@goffi.org> |
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date | Sat, 15 Oct 2022 20:38:33 +0200 |
parents | be6d91572633 |
children | 524856bd7b19 |
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#!/usr/bin/env python3 # SAT: a jabber client # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.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/>. """This library help manage XML used in SàT frontends """ # we don't import minidom as a different class can be used in frontends # (e.g. NativeDOM in Libervia) def inlineRoot(doc): """ make the root attribute inline @param root_node: minidom's Document compatible class @return: plain XML """ root_elt = doc.documentElement if root_elt.hasAttribute("style"): styles_raw = root_elt.getAttribute("style") styles = styles_raw.split(";") new_styles = [] for style in styles: try: key, value = style.split(":") except ValueError: continue if key.strip().lower() == "display": value = "inline" new_styles.append("%s: %s" % (key.strip(), value.strip())) root_elt.setAttribute("style", "; ".join(new_styles)) else: root_elt.setAttribute("style", "display: inline") return root_elt.toxml()