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import re
import sys
import Bcfg2.Server.Lint
class AWSTags(Bcfg2.Server.Lint.ServerPlugin):
""" ``bcfg2-lint`` plugin to check all given :ref:`AWSTags
<server-plugins-connectors-awstags>` patterns for validity. """
def Run(self):
cfg = self.core.plugins['AWSTags'].config
for entry in cfg.xdata.xpath('//Tag'):
self.check(entry, "name")
if entry.get("value"):
self.check(entry, "value")
@classmethod
def Errors(cls):
return {"pattern-fails-to-initialize": "error"}
def check(self, entry, attr):
""" Check a single attribute (``name`` or ``value``) of a
single entry for validity. """
try:
re.compile(entry.get(attr))
except re.error:
self.LintError("pattern-fails-to-initialize",
"'%s' regex could not be compiled: %s\n %s" %
(attr, sys.exc_info()[1], entry.get("name")))
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