def get(self, key, attrs=None):
if (key not in self.repls.keys()):
self.info('Unrecognised tag: \'<{}>\' at {}. Ignoring.'.format(
key,
self.parser.getpos() if self.parser != None else '???'))
return None
file, ret = self.repls[key]
if (file[-3:] == '.py'):
try:
return ret.handler(attrs)
except Exception as e:
self.info(
'Tag handler for \'<{}>\' threw exception \'{}\'.'.format(
key,
type(e).__name__))
return '<!-- {} //-->'.format('{} -> ERROR: {}'.format(
key,
type(e).__name__))
elif (ret == None):
s = io.StringIO('')
self.disallow.append(file) # Disallow nesting!
p = TransParser(False, self, s)
p.feedf(file)
self.disallow.pop()
ret = s.getvalue()
self.repls[key] = (file, ret)
return ret
