def test_inline_list_decompile():
d = Decompiler()
x = [1, 1, 2., 3j, False, 3L, '3', u'3']
d.ingest(x)
ref = d.mgr.reference(x)
result = "%s = %r" % (ref, x)
assert d.render() == result
_test_equality(d.render(), ref, x)
def test_dict_decompile(arg):
d = Decompiler()
x = dict([('b', arg), ('a', arg)])
d.ingest(x)
ref = d.mgr.reference(x)
result = "%s = { 'a': %r, 'b': %r }" % (ref, arg, arg)
assert d.render() == result
_test_equality(d.render(), ref, x)
def test_name_hint():
"""In the absence of name conflicts, output ref should use name_hint"""
x = [5, 5, 5, 5, 5, 5]
d = Decompiler()
d.ingest(x, name_hint='zzz')
answer = "zzz = [5, 5, 5, 5, 5, 5]"
result = d.render()
assert answer == result
def test_unsupported_type():
"""Raise type error when trying to ingest an unsupported type"""
class Foo(object):
pass
d = Decompiler()
with pytest.raises(TypeError) as exc:
d.ingest(Foo())
assert exc.value.args[0] == ("Don't know how to decompile objects of "
"type %s" % type(Foo()))
def test_numpy_decompile():
import numpy as np
x = np.array([1,2,3,4])
s = x.dumps()
d = Decompiler()
d.ingest(x)
ref = d.mgr.reference(x)
answer = "import numpy as np\n%s = np.loads(%r)" % (ref, s)
assert d.render() == answer
exec(d.render())
np.testing.assert_array_equal(locals()[ref], x)
def test_magic_method():
"""Decompiler looks for __expfac__ for expression factories"""
class Foo(object):
def __init__(self, x):
self.x = x
def __expfac__(self, decompiler, obj):
return [Expression("Foo({{x}})", x=obj.x, output_ref = obj)]
f = Foo(4)
d = Decompiler()
d.ingest(f)
ref = d.mgr.reference(f)
answer = "%s = Foo(4)" % ref
result = d.render()
assert result == answer
""" Example use of the Decompiler Try running this script like python demo.py > out.py python out.py ISSUES: ------- Axes limits are not being set correctly? """ import matplotlib.pyplot as plt from decompiler import Decompiler p, = plt.plot([1,2,3], [2,3,4], 'ro-', alpha = .3, markerfacecolor='b') p.axes.set_xlim(-2, 20) p.axes.set_ylim(-50, 50) d = Decompiler() d.ingest(p.figure) print d.render() print 'plt.show()'
