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Add try/except around xml parsing in zypper

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Zypper sometimes produces invalid XML. Catch that in a nicer way.

Potential future improvement: Work around broken XML by removing some
sections.
This commit is contained in:
Robin Roth 2017-02-11 11:09:45 +01:00 committed by Brian Coca
parent 4900201c5b
commit 82eaa9735c
1 changed files with 9 additions and 1 deletions
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8
lib/ansible/modules/packaging/os/zypper.py
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@ -175,6 +175,8 @@ EXAMPLES = '''
ZYPP_LOCK_TIMEOUT: 20 ZYPP_LOCK_TIMEOUT: 20
''' '''
import xml
from ansible.module_utils.pycompat24 import get_exception
from xml.dom.minidom import parseString as parseXML from xml.dom.minidom import parseString as parseXML
import re import re
@ -239,7 +241,13 @@ def get_installed_state(m, packages):
def parse_zypper_xml(m, cmd, fail_not_found=True, packages=None): def parse_zypper_xml(m, cmd, fail_not_found=True, packages=None):
rc, stdout, stderr = m.run_command(cmd, check_rc=False) rc, stdout, stderr = m.run_command(cmd, check_rc=False)
try:
dom = parseXML(stdout) dom = parseXML(stdout)
except xml.parsers.expat.ExpatError:
e = get_exception()
m.fail_json(msg="Failed to parse zypper xml output: %s" % e,
rc=rc, stdout=stdout, stderr=stderr, cmd=cmd)
if rc == 104: if rc == 104:
# exit code 104 is ZYPPER_EXIT_INF_CAP_NOT_FOUND (no packages found) # exit code 104 is ZYPPER_EXIT_INF_CAP_NOT_FOUND (no packages found)
if fail_not_found: if fail_not_found: