Mercurial > libervia-backend
annotate sat_frontends/jp/xml_tools.py @ 3212:89d97776fd34
jp (xmlui): added missing `disp` method in XMLUIPanel
author | Goffi <goffi@goffi.org> |
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date | Fri, 06 Mar 2020 18:51:04 +0100 |
parents | 559a625a236b |
children | be6d91572633 |
rev | line source |
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3137 | 1 #!/usr/bin/env python3 |
2 | |
2777 | 3 |
4 # jp: a SàT command line tool | |
3136 | 5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org) |
2777 | 6 |
7 # This program is free software: you can redistribute it and/or modify | |
8 # it under the terms of the GNU Affero General Public License as published by | |
9 # the Free Software Foundation, either version 3 of the License, or | |
10 # (at your option) any later version. | |
11 | |
12 # This program is distributed in the hope that it will be useful, | |
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 # GNU Affero General Public License for more details. | |
16 | |
17 # You should have received a copy of the GNU Affero General Public License | |
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | |
20 from sat.core.i18n import _ | |
21 from sat_frontends.jp.constants import Const as C | |
22 | |
2804
710de41da2f2
jp (pubsub/node): new "import" command, to publish many nodes from an XML file
Goffi <goffi@goffi.org>
parents:
2777
diff
changeset
|
23 def etreeParse(cmd, raw_xml, reraise=False): |
2777 | 24 """Import lxml and parse raw XML |
25 | |
26 @param cmd(CommandBase): current command instance | |
27 @param raw_xml(file, str): an XML bytestring, string or file-like object | |
2804
710de41da2f2
jp (pubsub/node): new "import" command, to publish many nodes from an XML file
Goffi <goffi@goffi.org>
parents:
2777
diff
changeset
|
28 @param reraise(bool): if True, re raise exception on parse error instead of doing a |
710de41da2f2
jp (pubsub/node): new "import" command, to publish many nodes from an XML file
Goffi <goffi@goffi.org>
parents:
2777
diff
changeset
|
29 parser.error (which terminate the execution) |
2777 | 30 @return (tuple(etree.Element, module): parsed element, etree module |
31 """ | |
32 try: | |
33 from lxml import etree | |
34 except ImportError: | |
35 cmd.disp( | |
3028 | 36 'lxml module must be installed, please install it with "pip install lxml"', |
2777 | 37 error=True, |
38 ) | |
39 cmd.host.quit(C.EXIT_ERROR) | |
40 try: | |
3028 | 41 if isinstance(raw_xml, str): |
2777 | 42 parser = etree.XMLParser(remove_blank_text=True) |
43 element = etree.fromstring(raw_xml, parser) | |
44 else: | |
45 element = etree.parse(raw_xml).getroot() | |
46 except Exception as e: | |
2804
710de41da2f2
jp (pubsub/node): new "import" command, to publish many nodes from an XML file
Goffi <goffi@goffi.org>
parents:
2777
diff
changeset
|
47 if reraise: |
710de41da2f2
jp (pubsub/node): new "import" command, to publish many nodes from an XML file
Goffi <goffi@goffi.org>
parents:
2777
diff
changeset
|
48 raise e |
2777 | 49 cmd.parser.error( |
3028 | 50 _("Can't parse the payload XML in input: {msg}").format(msg=e) |
2777 | 51 ) |
52 return element, etree | |
53 | |
54 def getPayload(cmd, element): | |
55 """Retrieve payload element and exit with and error if not found | |
56 | |
57 @param element(etree.Element): root element | |
58 @return element(etree.Element): payload element | |
59 """ | |
60 if element.tag in ("item", "{http://jabber.org/protocol/pubsub}item"): | |
61 if len(element) > 1: | |
3028 | 62 cmd.disp(_("<item> can only have one child element (the payload)"), |
2777 | 63 error=True) |
64 cmd.host.quit(C.EXIT_DATA_ERROR) | |
65 element = element[0] | |
66 return element |