本文整理汇总了Python中scrapy.settings.BaseSettings.freeze方法的典型用法代码示例。如果您正苦于以下问题：Python BaseSettings.freeze方法的具体用法？Python BaseSettings.freeze怎么用？Python BaseSettings.freeze使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类scrapy.settings.BaseSettings的用法示例。
在下文中一共展示了BaseSettings.freeze方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: BaseSettingsTest
# 需要导入模块: from scrapy.settings import BaseSettings [as 别名]
# 或者: from scrapy.settings.BaseSettings import freeze [as 别名]
#.........这里部分代码省略.........
self.assertEqual(settings.get('TEST_STRx', 'default'), 'default')
self.assertEqual(settings.getdict('TEST_DICT1'), {'key1': 'val1', 'ke2': 3})
self.assertEqual(settings.getdict('TEST_DICT2'), {'key1': 'val1', 'ke2': 3})
self.assertEqual(settings.getdict('TEST_DICT3'), {})
self.assertEqual(settings.getdict('TEST_DICT3', {'key1': 5}), {'key1': 5})
self.assertRaises(ValueError, settings.getdict, 'TEST_LIST1')
def test_getpriority(self):
settings = BaseSettings({'key': 'value'}, priority=99)
self.assertEqual(settings.getpriority('key'), 99)
self.assertEqual(settings.getpriority('nonexistentkey'), None)
def test_getcomposite(self):
s = BaseSettings({'TEST_BASE': {1: 1, 2: 2},
'TEST': BaseSettings({1: 10, 3: 30}, 'default'),
'HASNOBASE': BaseSettings({1: 1}, 'default')})
s['TEST'].set(4, 4, priority='project')
# When users specify a _BASE setting they explicitly don't want to use
# Scrapy's defaults, so we don't want to see anything that has a
# 'default' priority from TEST
cs = s._getcomposite('TEST')
self.assertEqual(len(cs), 3)
self.assertEqual(cs[1], 1)
self.assertEqual(cs[2], 2)
self.assertEqual(cs[4], 4)
cs = s._getcomposite('HASNOBASE')
self.assertEqual(len(cs), 1)
self.assertEqual(cs[1], 1)
cs = s._getcomposite('NONEXISTENT')
self.assertIsNone(cs)
def test_maxpriority(self):
# Empty settings should return 'default'
self.assertEqual(self.settings.maxpriority(), 0)
self.settings.set('A', 0, 10)
self.settings.set('B', 0, 30)
self.assertEqual(self.settings.maxpriority(), 30)
def test_copy(self):
values = {
'TEST_BOOL': True,
'TEST_LIST': ['one', 'two'],
'TEST_LIST_OF_LISTS': [['first_one', 'first_two'],
['second_one', 'second_two']]
}
self.settings.setdict(values)
copy = self.settings.copy()
self.settings.set('TEST_BOOL', False)
self.assertTrue(copy.get('TEST_BOOL'))
test_list = self.settings.get('TEST_LIST')
test_list.append('three')
self.assertListEqual(copy.get('TEST_LIST'), ['one', 'two'])
test_list_of_lists = self.settings.get('TEST_LIST_OF_LISTS')
test_list_of_lists[0].append('first_three')
self.assertListEqual(copy.get('TEST_LIST_OF_LISTS')[0],
['first_one', 'first_two'])
def test_freeze(self):
self.settings.freeze()
with self.assertRaises(TypeError) as cm:
self.settings.set('TEST_BOOL', False)
self.assertEqual(str(cm.exception),
"Trying to modify an immutable Settings object")
def test_frozencopy(self):
frozencopy = self.settings.frozencopy()
self.assertTrue(frozencopy.frozen)
self.assertIsNot(frozencopy, self.settings)
def test_deprecated_attribute_overrides(self):
self.settings.set('BAR', 'fuz', priority='cmdline')
with warnings.catch_warnings(record=True) as w:
self.settings.overrides['BAR'] = 'foo'
self.assertIn("Settings.overrides", str(w[0].message))
self.assertEqual(self.settings.get('BAR'), 'foo')
self.assertEqual(self.settings.overrides.get('BAR'), 'foo')
self.assertIn('BAR', self.settings.overrides)
self.settings.overrides.update(BAR='bus')
self.assertEqual(self.settings.get('BAR'), 'bus')
self.assertEqual(self.settings.overrides.get('BAR'), 'bus')
self.settings.overrides.setdefault('BAR', 'fez')
self.assertEqual(self.settings.get('BAR'), 'bus')
self.settings.overrides.setdefault('FOO', 'fez')
self.assertEqual(self.settings.get('FOO'), 'fez')
self.assertEqual(self.settings.overrides.get('FOO'), 'fez')
def test_deprecated_attribute_defaults(self):
self.settings.set('BAR', 'fuz', priority='default')
with warnings.catch_warnings(record=True) as w:
self.settings.defaults['BAR'] = 'foo'
self.assertIn("Settings.defaults", str(w[0].message))
self.assertEqual(self.settings.get('BAR'), 'foo')
self.assertEqual(self.settings.defaults.get('BAR'), 'foo')
self.assertIn('BAR', self.settings.defaults)