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""" Check Jinja2 templates for syntax errors. """
import sys
import Bcfg2.Server.Lint
from jinja2 import Template, TemplateSyntaxError
from Bcfg2.Server.Plugins.Cfg.CfgJinja2Generator import CfgJinja2Generator
class Jinja2(Bcfg2.Server.Lint.ServerPlugin):
""" Check Jinja2 templates for syntax errors. """
def Run(self):
if 'Cfg' in self.core.plugins:
self.check_cfg()
@classmethod
def Errors(cls):
return {"jinja2-syntax-error": "error",
"unknown-jinja2-error": "error"}
def check_template(self, entry):
""" Generic check for all jinja2 templates """
try:
Template(entry.data.decode(entry.encoding))
except TemplateSyntaxError:
err = sys.exc_info()[1]
self.LintError("jinja2-syntax-error",
"Jinja2 syntax error in %s: %s" % (entry.name, err))
except:
err = sys.exc_info()[1]
self.LintError("unknown-jinja2-error",
"Unknown Jinja2 error in %s: %s" % (entry.name,
err))
def check_cfg(self):
""" Check jinja2 templates in Cfg for syntax errors. """
for entryset in list(self.core.plugins['Cfg'].entries.values()):
for entry in list(entryset.entries.values()):
if (self.HandlesFile(entry.name) and
isinstance(entry, CfgJinja2Generator)):
self.check_template(entry)
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