class_docstr: subclass of repr.Repr that limits the resulting size of repr()
  and includes information on exceptions raised during the call.
class_docstr_tok: ["subclass","of","repr.Repr","that","limits","the","resulting","size","of","repr","(",")","and","includes","information","on","exceptions","raised","during","the","call","."]
code: def _callhelper(self, call, x, *args):
      s = _call_and_format_exception(call, x, *args)
      if len(s) > self.maxsize:
          i = max(0, (self.maxsize - 3) // 2)
          j = max(0, self.maxsize - 3 - i)
          s = s[:i] + "..." + s[len(s) - j :]
      return s
  
file_path: catboost/contrib/python/pytest/py2/_pytest/_io/saferepr.py
imports: import pprint
  from six.moves import reprlib
label_desc: Use image node_id 4 for calling the SafeRepr obj's underlying member method code with example usage: obj._callhelper(call, x) and returns: s