我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用__builtin__.repr()。
def recursive_repr(fillvalue='...'): 'Decorator to make a repr function return fillvalue for a recursive call' def decorating_function(user_function): repr_running = set() def wrapper(self): key = id(self), get_ident() if key in repr_running: return fillvalue repr_running.add(key) try: result = user_function(self) finally: repr_running.discard(key) return result # Can't use functools.wraps() here because of bootstrap issues wrapper.__module__ = getattr(user_function, '__module__') wrapper.__doc__ = getattr(user_function, '__doc__') wrapper.__name__ = getattr(user_function, '__name__') wrapper.__annotations__ = getattr(user_function, '__annotations__', {}) return wrapper return decorating_function
def repr(self, x): return self.repr1(x, self.maxlevel)
def repr1(self, x, level): typename = type(x).__name__ if ' ' in typename: parts = typename.split() typename = '_'.join(parts) if hasattr(self, 'repr_' + typename): return getattr(self, 'repr_' + typename)(x, level) else: s = __builtin__.repr(x) if len(s) > self.maxother: i = max(0, (self.maxother-3)//2) j = max(0, self.maxother-3-i) s = s[:i] + '...' + s[len(s)-j:] return s
def repr_str(self, x, level): s = __builtin__.repr(x[:self.maxstring]) if len(s) > self.maxstring: i = max(0, (self.maxstring-3)//2) j = max(0, self.maxstring-3-i) s = __builtin__.repr(x[:i] + x[len(x)-j:]) s = s[:i] + '...' + s[len(s)-j:] return s
def repr_long(self, x, level): s = __builtin__.repr(x) # XXX Hope this isn't too slow... if len(s) > self.maxlong: i = max(0, (self.maxlong-3)//2) j = max(0, self.maxlong-3-i) s = s[:i] + '...' + s[len(s)-j:] return s
def repr_instance(self, x, level): try: s = __builtin__.repr(x) # Bugs in x.__repr__() can cause arbitrary # exceptions -- then make up something except Exception: return '<%s instance at %x>' % (x.__class__.__name__, id(x)) if len(s) > self.maxstring: i = max(0, (self.maxstring-3)//2) j = max(0, self.maxstring-3-i) s = s[:i] + '...' + s[len(s)-j:] return s
def repr_str(self, x, level): s = builtins.repr(x[:self.maxstring]) if len(s) > self.maxstring: i = max(0, (self.maxstring-3)//2) j = max(0, self.maxstring-3-i) s = builtins.repr(x[:i] + x[len(x)-j:]) s = s[:i] + '...' + s[len(s)-j:] return s
def repr_int(self, x, level): s = builtins.repr(x) # XXX Hope this isn't too slow... if len(s) > self.maxlong: i = max(0, (self.maxlong-3)//2) j = max(0, self.maxlong-3-i) s = s[:i] + '...' + s[len(s)-j:] return s
def repr_instance(self, x, level): try: s = builtins.repr(x) # Bugs in x.__repr__() can cause arbitrary # exceptions -- then make up something except Exception: return '<%s instance at %x>' % (x.__class__.__name__, id(x)) if len(s) > self.maxother: i = max(0, (self.maxother-3)//2) j = max(0, self.maxother-3-i) s = s[:i] + '...' + s[len(s)-j:] return s
