本文整理匯總了Python中idlelib.HyperParser.HyperParser._eat_identifier方法的典型用法代碼示例。如果您正苦於以下問題：Python HyperParser._eat_identifier方法的具體用法？Python HyperParser._eat_identifier怎麽用？Python HyperParser._eat_identifier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idlelib.HyperParser.HyperParser的用法示例。
在下文中一共展示了HyperParser._eat_identifier方法的2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_eat_identifier
# 需要導入模塊: from idlelib.HyperParser import HyperParser [as 別名]
# 或者: from idlelib.HyperParser.HyperParser import _eat_identifier [as 別名]
def test_eat_identifier(self):
def is_valid_id(candidate):
result = HyperParser._eat_identifier(candidate, 0, len(candidate))
if result == len(candidate):
return True
elif result == 0:
return False
else:
err_msg = "Unexpected result: {} (expected 0 or {}".format(
result, len(candidate)
)
raise Exception(err_msg)
# invalid first character which is valid elsewhere in an identifier
self.assertFalse(is_valid_id('2notid'))
# ASCII-only valid identifiers
self.assertTrue(is_valid_id('valid_id'))
self.assertTrue(is_valid_id('_valid_id'))
self.assertTrue(is_valid_id('valid_id_'))
self.assertTrue(is_valid_id('_2valid_id'))
# keywords which should be "eaten"
self.assertTrue(is_valid_id('True'))
self.assertTrue(is_valid_id('False'))
self.assertTrue(is_valid_id('None'))
# keywords which should not be "eaten"
self.assertFalse(is_valid_id('for'))
self.assertFalse(is_valid_id('import'))
self.assertFalse(is_valid_id('return'))
# valid unicode identifiers
self.assertTrue(is_valid_id('cliche'))
self.assertTrue(is_valid_id('cliché'))
self.assertTrue(is_valid_id('a٢'))
# invalid unicode identifiers
self.assertFalse(is_valid_id('2a'))
self.assertFalse(is_valid_id('٢a'))
self.assertFalse(is_valid_id('a²'))
# valid identifier after "punctuation"
self.assertEqual(HyperParser._eat_identifier('+ var', 0, 5), len('var'))
self.assertEqual(HyperParser._eat_identifier('+var', 0, 4), len('var'))
self.assertEqual(HyperParser._eat_identifier('.var', 0, 4), len('var'))
# invalid identifiers
self.assertFalse(is_valid_id('+'))
self.assertFalse(is_valid_id(' '))
self.assertFalse(is_valid_id(':'))
self.assertFalse(is_valid_id('?'))
self.assertFalse(is_valid_id('^'))
self.assertFalse(is_valid_id('\\'))
self.assertFalse(is_valid_id('"'))
self.assertFalse(is_valid_id('"a string"'))示例2: is_valid_id
# 需要導入模塊: from idlelib.HyperParser import HyperParser [as 別名]
# 或者: from idlelib.HyperParser.HyperParser import _eat_identifier [as 別名]
def is_valid_id(candidate):
result = HyperParser._eat_identifier(candidate, 0, len(candidate))
if result == len(candidate):
return True
elif result == 0:
return False
else:
err_msg = "Unexpected result: {} (expected 0 or {}".format(
result, len(candidate)
)
raise Exception(err_msg)