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#!/usr/bin/env python # # Author: Mike McKerns (mmckerns @caltech and @uqfoundation) # Copyright (c) 2008-2016 California Institute of Technology. # Copyright (c) 2016-2023 The Uncertainty Quantification Foundation. # License: 3-clause BSD. The full license text is available at: # - https://github.com/uqfoundation/dill/blob/master/LICENSE from dill.detect import baditems, badobjects, badtypes, errors, parent, at, globalvars from dill import settings from dill._dill import IS_PYPY from pickle import PicklingError import inspect import sys import os def test_bad_things(): f = inspect.currentframe() assert baditems(f) == [f] #assert baditems(globals()) == [f] #XXX assert badobjects(f) is f assert badtypes(f) == type(f) assert type(errors(f)) is TypeError d = badtypes(f, 1) assert isinstance(d, dict) assert list(badobjects(f, 1).keys()) == list(d.keys()) assert list(errors(f, 1).keys()) == list(d.keys()) s = set([(err.__class__.__name__,err.args[0]) for err in list(errors(f, 1).values())]) a = dict(s) if not os.environ.get('COVERAGE'): #XXX: travis-ci assert len(s) is len(a) # TypeError (and possibly PicklingError) n = 2 assert len(a) is n if 'PicklingError' in a.keys() else n-1 def test_parent(): x = [4,5,6,7] listiter = iter(x) obj = parent(listiter, list) assert obj is x if IS_PYPY: assert parent(obj, int) is None else: assert parent(obj, int) is x[-1] # python oddly? finds last int assert at(id(at)) is at a, b, c = 1, 2, 3 def squared(x): return a+x**2 def foo(x): def bar(y): return squared(x)+y return bar class _class: def _method(self): pass def ok(self): return True def test_globals(): def f(): a def g(): b def h(): c assert globalvars(f) == dict(a=1, b=2, c=3) res = globalvars(foo, recurse=True) assert set(res) == set(['squared', 'a']) res = globalvars(foo, recurse=False) assert res == {} zap = foo(2) res = globalvars(zap, recurse=True) assert set(res) == set(['squared', 'a']) res = globalvars(zap, recurse=False) assert set(res) == set(['squared']) del zap res = globalvars(squared) assert set(res) == set(['a']) # FIXME: should find referenced __builtins__ #res = globalvars(_class, recurse=True) #assert set(res) == set(['True']) #res = globalvars(_class, recurse=False) #assert res == {} #res = globalvars(_class.ok, recurse=True) #assert set(res) == set(['True']) #res = globalvars(_class.ok, recurse=False) #assert set(res) == set(['True']) #98 dill ignores __getstate__ in interactive lambdas bar = [0] class Foo(object): def __init__(self): pass def __getstate__(self): bar[0] = bar[0]+1 return {} def __setstate__(self, data): pass f = Foo() def test_getstate(): from dill import dumps, loads dumps(f) b = bar[0] dumps(lambda: f, recurse=False) # doesn't call __getstate__ assert bar[0] == b dumps(lambda: f, recurse=True) # calls __getstate__ assert bar[0] == b + 1 #97 serialize lambdas in test files def test_deleted(): global sin from dill import dumps, loads from math import sin, pi def sinc(x): return sin(x)/x settings['recurse'] = True _sinc = dumps(sinc) sin = globals().pop('sin') sin = 1 del sin sinc_ = loads(_sinc) # no NameError... pickling preserves 'sin' res = sinc_(1) from math import sin assert sinc(1) == res def test_lambdify(): try: from sympy import symbols, lambdify except ImportError: return settings['recurse'] = True x = symbols("x") y = x**2 f = lambdify([x], y) z = min d = globals() globalvars(f, recurse=True, builtin=True) assert z is min assert d is globals() if __name__ == '__main__': test_bad_things() test_parent() test_globals() test_getstate() test_deleted() test_lambdify()
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