catch jinja template errors in template module

This commit is contained in:
Matthew Williams 2012-03-27 11:06:31 -07:00
parent 9d9e3d8c56
commit bf0f3eac1f

View file

@ -26,6 +26,8 @@ try:
except ImportError:
import simplejson as json
environment = jinja2.Environment()
# ===========================================
# convert arguments of form a=b c=d
# to a dictionary
@ -57,9 +59,17 @@ if not os.path.exists(metadata):
sys.exit(1)
# raise an error if we can't parse the template metadata
#data = {}
try:
f = open(metadata)
data = json.loads(f.read())
# Hack by mgw to get nested variables -- use at your own risk
# data_in = json.loads(f.read())
# for k, v in data_in.items():
# try:
# data[k] = eval(v)
# except:
# data[k] = v
f.close()
except:
print json.dumps({
@ -90,16 +100,20 @@ md5sum = None
if os.path.exists(dest):
md5sum = os.popen("md5sum %s" % dest).read().split()[0]
# call Jinja2 here and save the new template file
template = jinja2.Template(source)
data_out = template.render(data)
try:
# call Jinja2 here and save the new template file
template = environment.from_string(source)
data_out = template.render(data)
except jinja2.TemplateError as e:
print json.dumps({
"failed": True,
"msg" : e.message
})
sys.exit(1)
f = open(dest, "w+")
f.write(data_out)
f.close()
# TODO: catch templating errors and do not clobber the file on the
# other end unless things were successful
# record m5sum and return success and whether things have changed
md5sum2 = os.popen("md5sum %s" % dest).read().split()[0]