Ejemplo n.º 1
0
def test_basic_collectable():
    c = Collectable()

    # empty by default
    assert_equal(c.name, None)
    assert_equal(c.value, None)
    assert_equal(c.__doc__, None)

    # late assignment
    c.name = 'somename'
    c.value = 12345
    assert_equal(c.name, 'somename')
    assert_equal(c.value, 12345)

    # immediate content
    c = Collectable('value', 'myname', "This is a test")
    assert_equal(c.name, 'myname')
    assert_equal(c.value, 'value')
    assert_equal(c.__doc__, "This is a test")
    assert_equal(str(c), 'myname')

    # repr
    e = eval(repr(c))
    assert_equal(e.name, 'myname')
    assert_equal(e.value, 'value')
    assert_equal(e.__doc__, "This is a test")

    # shallow copy does not create a view of value array
    c.value = np.arange(5)
    d = copy.copy(c)
    assert_false(d.value.base is c.value)

    # names starting with _ are not allowed
    assert_raises(ValueError, c._set_name, "_underscore")
Ejemplo n.º 2
0
    def __init__(self, index=None, *args, **kwargs):
        """
        Parameters
        ----------
        value : arbitrary (see derived implementations)
          The actual value of this attribute.
        **kwargs
          Passed to `Collectable`
        """
        if index is None:
            IndexedCollectable._instance_index += 1
            index = IndexedCollectable._instance_index
        else:
            # TODO: there can be collision between custom provided indexes
            #       and the ones automagically assigned.
            #       Check might be due
            pass
        self._instance_index = index

        self._isset = False
        self.reset()

        Collectable.__init__(self, *args, **kwargs)

        if __debug__ and 'COL' in debug.active:
            debug("COL", "Initialized new IndexedCollectable #%d:%s %r",
                  (index, self.name, self))
Ejemplo n.º 3
0
    def __init__(self, index=None, *args, **kwargs):
        """
        Parameters
        ----------
        value : arbitrary (see derived implementations)
          The actual value of this attribute.
        **kwargs
          Passed to `Collectable`
        """
        if index is None:
            IndexedCollectable._instance_index += 1
            index = IndexedCollectable._instance_index
        else:
            # TODO: there can be collision between custom provided indexes
            #       and the ones automagically assigned.
            #       Check might be due
            pass
        self._instance_index = index

        self._isset = False
        self.reset()

        Collectable.__init__(self, *args, **kwargs)

        if __debug__ and 'COL' in debug.active:
            debug("COL",
                  "Initialized new IndexedCollectable #%d:%s %r"
                  % (index, self.name, self))
Ejemplo n.º 4
0
def test_basic_collectable():
    c = Collectable()

    # empty by default
    assert_equal(c.name, None)
    assert_equal(c.value, None)
    assert_equal(c.__doc__, None)

    # late assignment
    c.name = 'somename'
    c.value = 12345
    assert_equal(c.name, 'somename')
    assert_equal(c.value, 12345)

    # immediate content
    c = Collectable('value', 'myname', "This is a test")
    assert_equal(c.name, 'myname')
    assert_equal(c.value, 'value')
    assert_equal(c.__doc__, "This is a test")
    assert_equal(str(c), 'myname')

    # repr
    e = eval(repr(c))
    assert_equal(e.name, 'myname')
    assert_equal(e.value, 'value')
    assert_equal(e.__doc__, "This is a test")

    # shallow copy does not create a view of value array
    c.value = np.arange(5)
    d = copy.copy(c)
    assert_false(d.value.base is c.value)

    # names starting with _ are not allowed
    assert_raises(ValueError, c._set_name, "_underscore")
Ejemplo n.º 5
0
 def __reduce__(self):
     cr = Collectable.__reduce__(self)
     assert(len(cr) == 2)            # otherwise we need to change logic below
     res = (cr[0],
             (self._instance_index,) + cr[1],
             {'_isset' : self._isset})
     #if __debug__ and 'COL_RED' in debug.active:
     #    debug('COL_RED', 'Returning %s for %s' % (res, self))
     return res
Ejemplo n.º 6
0
 def __reduce__(self):
     cr = Collectable.__reduce__(self)
     assert(len(cr) == 2)            # otherwise we need to change logic below
     res = (cr[0],
             (self._instance_index,) + cr[1],
             {'_isset' : self._isset})
     #if __debug__ and 'COL_RED' in debug.active:
     #    debug('COL_RED', 'Returning %s for %s' % (res, self))
     return res