import _io as io # uPy does not have io module builtin import sys if hasattr(sys, 'print_exception'): print_exception = sys.print_exception else: import traceback print_exception = lambda e, f: traceback.print_exception(None, e, sys.exc_info()[2], file=f) def print_exc(e): buf = io.StringIO() print_exception(e, buf) s = buf.getvalue() for l in s.split("\n"): # uPy on pyboard prints as file, so remove filename. if l.startswith(" File "): l = l.split('"') print(l[0], l[2]) # uPy and CPy tracebacks differ in that CPy prints a source line for # each traceback entry. In this case, we know that offending line # has 4-space indent, so filter it out. elif not l.startswith(" "): print(l) # basic exception message try: XXX except Exception as e: print('caught') print_exc(e) # exception message with more than 1 source-code line def f(): g() def g(): YYY try: f() except Exception as e: print('caught') print_exc(e)