本文整理匯總了Python中normalize.FieldSelector.get方法的典型用法代碼示例。如果您正苦於以下問題：Python FieldSelector.get方法的具體用法？Python FieldSelector.get怎麽用？Python FieldSelector.get使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類normalize.FieldSelector的用法示例。
在下文中一共展示了FieldSelector.get方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_delete
# 需要導入模塊: from normalize import FieldSelector [as 別名]
# 或者: from normalize.FieldSelector import get [as 別名]
def test_delete(self):
class MyObj(Record):
foo = Property()
bar = Property()
class OtherObj(Record):
objs = ListProperty(of=MyObj)
mo = MyObj(foo="bar")
fs1 = FieldSelector(["foo"])
self.assertEqual(fs1.get(mo), "bar")
fs1.delete(mo)
self.assertRaises(AttributeError, fs1.get, mo)
oo = OtherObj(objs=[{"foo": "bar"}, {"foo": "frop"}])
fs2 = FieldSelector(["objs", 0, "foo"])
self.assertEqual(fs2.get(oo), "bar")
fs2.delete(oo)
self.assertRaises(AttributeError, fs2.get, mo)
fs2.put(oo, "hey")
fs3 = FieldSelector(["objs", None, "foo"])
self.assertEqual(fs3.get(oo), ["hey", "frop"])
fs3.delete(oo)
self.assertEqual(oo, OtherObj(objs=[{}, {}]))
oo = OtherObj(objs=[{"foo": "baz"}, {"bar": "quux"}])
self.assertEqual(fs3.get(oo), ["baz", None])
fs3.delete(oo)
self.assertEqual(oo, OtherObj(objs=[{}, {"bar": "quux"}]))
fs4 = FieldSelector(["objs", None, "bar", "foo"])
self.assertRaises(FieldSelectorException, fs4.get, oo)
oo = OtherObj(objs=[{"foo": "baz"}, {"bar": MyObj(foo="bob")}])
self.assertEqual(fs4.get(oo), [None, "bob"])
fs4.delete(oo)
self.assertRaises(FieldSelectorException, fs4.get, oo)
fs5 = FieldSelector(["objs", 1])
fs5.delete(oo)
self.assertEqual(oo, OtherObj(objs=[{"foo": "baz"}]))
fs6 = FieldSelector(["objs", None])
fs6.delete(oo)
self.assertEqual(oo, OtherObj(objs=[]))示例2: test_dict
# 需要導入模塊: from normalize import FieldSelector [as 別名]
# 或者: from normalize.FieldSelector import get [as 別名]
def test_dict(self):
from normalize.coll import dict_of
from testclasses import Person
Rolodeck = dict_of(Person)
deck = Rolodeck({
"bob": Person(id=123, name="Bob"),
"peter": Person(id=124, name="Peter"),
"eve": Person(id=125, name="Steve"),
})
fs1 = FieldSelector(["bob", "id"])
self.assertEqual(fs1.get(deck), 123)
self.assertRaisesRegexp(
ValueError, r'id is required', fs1.delete, deck,
)
fs2 = FieldSelector(["cuthbert", "id"])
fs2.post(deck, 923)
self.assertEqual(deck['cuthbert'].id, 923)
FieldSelector(["ruth"]).post(deck, {"id": 523, "name": "Ruth"})
self.assertEqual(deck['ruth'].name, "Ruth")
FieldSelector(["bob"]).delete(deck)
self.assertNotIn("bob", deck)
FieldSelector([None]).delete(deck)
self.assertEqual(deck, {})示例3: test_get
# 需要導入模塊: from normalize import FieldSelector [as 別名]
# 或者: from normalize.FieldSelector import get [as 別名]
def test_get(self):
record = MockJsonRecord(
{
"age": 5,
"children": [{"name": "foo"}, {"name": "bar"}],
"name": "case1",
}
)
# test valid field selectors
fs = FieldSelector(["name"])
self.assertEqual(fs.get(record), "case1")
fs = FieldSelector(["age"])
self.assertEqual(fs.get(record), 5)
fs = FieldSelector(["children"])
self.assertEqual(len(fs.get(record)), 2)
fs = FieldSelector(["children", 1])
self.assertEqual(fs.get(record).name, "bar")
self.assertEqual(fs.get(record), MockChildRecord({"name": "bar"}))
fs = FieldSelector(["children", 1, "name"])
self.assertEqual(fs.get(record), "bar")
fs = FieldSelector(["children", None, "name"])
self.assertEqual(fs.get(record), ["foo", "bar"])
# test invalid selectors
fs = FieldSelector(["bad_name"]) # bad property name
with self.assertRaisesRegexp(
FieldSelectorException, "Could not find property specified "
"by name: bad_name"
):
fs.get(record)
fs = FieldSelector(["children", 10]) # bad index
with self.assertRaisesRegexp(
FieldSelectorException, "Could not find Record specified by "
"index: 10"
):
fs.get(record)
# bad nested property name
fs = FieldSelector(["children", 1, "bad_name"])
with self.assertRaisesRegexp(
FieldSelectorException, "Could not find property specified "
"by name: bad_name"
):
fs.get(record)
# bad property name
fs = FieldSelector(["bad_name"])
with self.assertRaises(AttributeError):
fs.get(record)
# bad index
fs = FieldSelector(["children", 10])
with self.assertRaises(KeyError):
fs.get(record)
# bad nested property name
fs = FieldSelector(
["children", 1, "bad_name"],
)
with self.assertRaises(AttributeError):
fs.get(record)