Esempio n. 1
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    def test_instance(self):
        Point = namedtuple('Point', 'x y')
        p = Point(11, 22)
        self.assertEqual(p, Point(x=11, y=22))
        self.assertEqual(p, Point(11, y=22))
        self.assertEqual(p, Point(y=22, x=11))
        self.assertEqual(p, Point(*(11, 22)))
        self.assertEqual(p, Point(**dict(x=11, y=22)))
        self.assertRaises(TypeError, Point, 1)                              # too few args
        self.assertRaises(TypeError, Point, 1, 2, 3)                        # too many args
        self.assertRaises(TypeError, eval, 'Point(XXX=1, y=2)', locals())   # wrong keyword argument
        self.assertRaises(TypeError, eval, 'Point(x=1)', locals())          # missing keyword argument
        self.assertEqual(repr(p), 'Point(x=11, y=22)')
        self.assertNotIn('__weakref__', dir(p))
        self.assertEqual(p, Point._make([11, 22]))                          # test _make classmethod
        self.assertEqual(p._fields, ('x', 'y'))                             # test _fields attribute
        self.assertEqual(p._replace(x=1), (1, 22))                          # test _replace method
        self.assertEqual(p._asdict(), dict(x=11, y=22))                     # test _asdict method

        try:
            p._replace(x=1, error=2)
        except ValueError:
            pass
        else:
            self._fail('Did not detect an incorrect fieldname')

        # verify that field string can have commas
        Point = namedtuple('Point', 'x, y')
        p = Point(x=11, y=22)
        self.assertEqual(repr(p), 'Point(x=11, y=22)')

        # verify that fieldspec can be a non-string sequence
        Point = namedtuple('Point', ('x', 'y'))
        p = Point(x=11, y=22)
        self.assertEqual(repr(p), 'Point(x=11, y=22)')
Esempio n. 2
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def TypedTuple(name, definition):

    if isinstance(definition, Schema):
        schema = definition
        definition = definition.schema
    elif isinstance(definition, dict):
        schema = Schema(definition, required=True)
    else:
        raise ValueError('definition must be voluptuous.Schema or dict')

    nt = namedtuple(name, [str(key) for key in iterkeys(definition)])

    def new(cls, *args, **kwargs):
        kwargs.update(dict(zip(nt._fields[:len(args)], args)))
        for key in (k for k, v in iteritems(kwargs) if v is UNDEFINED):
            del kwargs[key]
        validated = schema(kwargs)
        validated.update(dict(zip((field for field in nt._fields if field not in validated), repeat(UNDEFINED))))
        return nt.__new__(cls, **validated)

    return type(name, (nt,), {
        '__new__': new,
        '_make': classmethod(lambda cls, iterable: new(cls, *iterable)),
        '_asdict': lambda self: OrderedDict(v for v in zip(self._fields, self) if v[1] != UNDEFINED),
        '__slots__': (),
    })
Esempio n. 3
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 def test_repr(self):
     A = namedtuple('A', 'x')
     self.assertEqual(repr(A(1)), 'A(x=1)')
     # repr should show the name of the subclass
     class B(A):
         pass
     self.assertEqual(repr(B(1)), 'B(x=1)')
Esempio n. 4
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 def test_name_conflicts(self):
     # Some names like "self", "cls", "tuple", "itemgetter", and "property"
     # failed when used as field names.  Test to make sure these now work.
     T = namedtuple('T', 'itemgetter property self cls tuple')
     t = T(1, 2, 3, 4, 5)
     self.assertEqual(t, (1,2,3,4,5))
     newt = t._replace(itemgetter=10, property=20, self=30, cls=40, tuple=50)
     self.assertEqual(newt, (10,20,30,40,50))
Esempio n. 5
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    def test_factory(self):
        Point = namedtuple('Point', 'x y')
        self.assertEqual(Point.__name__, 'Point')
        self.assertEqual(Point.__slots__, ())
        self.assertEqual(Point.__module__, __name__)
        self.assertEqual(Point.__getitem__, tuple.__getitem__)
        self.assertEqual(Point._fields, ('x', 'y'))

        self.assertRaises(ValueError, namedtuple, 'abc%', 'efg ghi')       # type has non-alpha char
        self.assertRaises(ValueError, namedtuple, 'class', 'efg ghi')      # type has keyword
        self.assertRaises(ValueError, namedtuple, '9abc', 'efg ghi')       # type starts with digit

        self.assertRaises(ValueError, namedtuple, 'abc', 'efg g%hi')       # field with non-alpha char
        self.assertRaises(ValueError, namedtuple, 'abc', 'abc class')      # field has keyword
        self.assertRaises(ValueError, namedtuple, 'abc', '8efg 9ghi')      # field starts with digit
        self.assertRaises(ValueError, namedtuple, 'abc', '_efg ghi')       # field with leading underscore
        self.assertRaises(ValueError, namedtuple, 'abc', 'efg efg ghi')    # duplicate field
        self.assertRaises(ValueError, namedtuple, 'abc', '?a')             # non alnum starting char

        namedtuple('Point0', 'x1 y2')   # Verify that numbers are allowed in names
        namedtuple('_', 'a b c')        # Test leading underscores in a typename

        nt = namedtuple('nt', 'the quick brown fox')                       # check unicode input
        self.assertNotIn("u'", repr(nt._fields))
        nt = namedtuple('nt', ('the', 'quick'))                           # check unicode input
        self.assertNotIn("u'", repr(nt._fields))

        self.assertRaises(TypeError, Point._make, [11])                     # catch too few args
        self.assertRaises(TypeError, Point._make, [11, 22, 33])             # catch too many args
Esempio n. 6
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 def weather(self):
     r = self._response().json()
     d = r.pop("main")
     feels_like = d["feels_like"]
     humidity = d["humidity"]
     return namedtuple("weather",
                       ["feels", "min", "max", "humid", "pressure"])(
                           feels_like, d["temp_min"], d["temp_max"],
                           humidity, d["pressure"])
Esempio n. 7
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 def test_name_fixer(self):
     for spec, renamed in [
         [('efg', 'g%hi'),  ('efg', '_1')],                              # field with non-alpha char
         [('abc', 'class'), ('abc', '_1')],                              # field has keyword
         [('8efg', '9ghi'), ('_0', '_1')],                               # field starts with digit
         [('abc', '_efg'), ('abc', '_1')],                               # field with leading underscore
         [('abc', 'efg', 'efg', 'ghi'), ('abc', 'efg', '_2', 'ghi')],    # duplicate field
         [('abc', '', 'x'), ('abc', '_1', 'x')],                         # fieldname is a space
     ]:
         self.assertEqual(namedtuple('NT', spec, rename=True)._fields, renamed)
Esempio n. 8
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    def test_odd_sizes(self):
        Zero = namedtuple('Zero', '')
        self.assertEqual(Zero(), ())
        self.assertEqual(Zero._make([]), ())
        self.assertEqual(repr(Zero()), 'Zero()')
        self.assertEqual(Zero()._asdict(), {})
        self.assertEqual(Zero()._fields, ())

        Dot = namedtuple('Dot', 'd')
        self.assertEqual(Dot(1), (1,))
        self.assertEqual(Dot._make([1]), (1,))
        self.assertEqual(Dot(1).d, 1)
        self.assertEqual(repr(Dot(1)), 'Dot(d=1)')
        self.assertEqual(Dot(1)._asdict(), {'d':1})
        self.assertEqual(Dot(1)._replace(d=999), (999,))
        self.assertEqual(Dot(1)._fields, ('d',))

        # n = 5000
        n = 254 # SyntaxError: more than 255 arguments:
        names = list(set(''.join([choice(string.ascii_letters)
                                  for j in range(10)]) for i in range(n)))
        n = len(names)
        Big = namedtuple('Big', names)
        b = Big(*range(n))
        self.assertEqual(b, tuple(range(n)))
        self.assertEqual(Big._make(range(n)), tuple(range(n)))
        for pos, name in enumerate(names):
            self.assertEqual(getattr(b, name), pos)
        repr(b)                                 # make sure repr() doesn't blow-up
        d = b._asdict()
        d_expected = dict(zip(names, range(n)))
        self.assertEqual(d, d_expected)
        b2 = b._replace(**dict([(names[1], 999),(names[-5], 42)]))
        b2_expected = list(range(n))
        b2_expected[1] = 999
        b2_expected[-5] = 42
        self.assertEqual(b2, tuple(b2_expected))
        self.assertEqual(b._fields, tuple(names))
Esempio n. 9
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    def test_tupleness(self):
        Point = namedtuple('Point', 'x y')
        p = Point(11, 22)

        self.assertIsInstance(p, tuple)
        self.assertEqual(p, (11, 22))                                       # matches a real tuple
        self.assertEqual(tuple(p), (11, 22))                                # coercable to a real tuple
        self.assertEqual(list(p), [11, 22])                                 # coercable to a list
        self.assertEqual(max(p), 22)                                        # iterable
        self.assertEqual(max(*p), 22)                                       # star-able
        x, y = p
        self.assertEqual(p, (x, y))                                         # unpacks like a tuple
        self.assertEqual((p[0], p[1]), (11, 22))                            # indexable like a tuple
        self.assertRaises(IndexError, p.__getitem__, 3)

        self.assertEqual(p.x, x)
        self.assertEqual(p.y, y)
        self.assertRaises(AttributeError, eval, 'p.z', locals())
Esempio n. 10
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 def desc(self):
     r = self._response().json()
     w_id, main, desc, icon = r.get("weather")[0].values()
     return namedtuple("weather",
                       ["id", "main", "desc", "icon"])(w_id, main, desc,
                                                       icon)
Esempio n. 11
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 def coords(self):
     r = self._response().json()
     longitude, latitude = r.get("coord").values()
     return namedtuple("coords", ["latitude", "longitude"])(latitude,
                                                            longitude)
Esempio n. 12
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 def wind(self):
     r = self._response().json()
     self.wind_speed, self.wind_deg = r.get("wind").values()
     return namedtuple("wind", ["speed", "deg"])(self.wind_speed,
                                                 self.wind_deg)
Esempio n. 13
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 class Point(namedtuple('_Point', ['x', 'y'])):
     pass
Esempio n. 14
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# 2011, 2012, 2013, 2014, 2015, 2016 Python Software Foundation; All Rights
# Reserved
# This file is taken from the CPython test suite and modified to test
# cnamedtuple instead of collections.namedtuple
from collections import OrderedDict
import copy
import pickle
from random import choice
import string
import sys
import unittest

from cnamedtuple import namedtuple


TestNT = namedtuple('TestNT', 'x y z')    # type used for pickle tests


class TestNamedTuple(unittest.TestCase):

    def test_factory(self):
        Point = namedtuple('Point', 'x y')
        self.assertEqual(Point.__name__, 'Point')
        self.assertEqual(Point.__slots__, ())
        self.assertEqual(Point.__module__, __name__)
        self.assertEqual(Point.__getitem__, tuple.__getitem__)
        self.assertEqual(Point._fields, ('x', 'y'))

        self.assertRaises(ValueError, namedtuple, 'abc%', 'efg ghi')       # type has non-alpha char
        self.assertRaises(ValueError, namedtuple, 'class', 'efg ghi')      # type has keyword
        self.assertRaises(ValueError, namedtuple, '9abc', 'efg ghi')       # type starts with digit