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class Frame(object):
def __init__(
self,
f_back,
f_fileno,
f_code,
f_locals,
f_globals=None,
f_trace=None):
self.f_back = f_back
self.f_lineno = f_fileno
self.f_code = f_code
self.f_locals = f_locals
self.f_globals = f_globals
self.f_trace = f_trace
if self.f_globals is None:
self.f_globals = {}
class FCode(object):
def __init__(self, name, filename):
self.co_name = name
self.co_filename = filename
def add_exception_to_frame(frame, exception_info):
frame.f_locals['__exception__'] = exception_info
def just_raised(trace):
if trace is None:
return False
return trace.tb_next is None
def cached_call(obj, func, *args):
cached_name = '_cached_' + func.__name__
if not hasattr(obj, cached_name):
setattr(obj, cached_name, func(*args))
return getattr(obj, cached_name)
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