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Python TradingAlgorithm.datetime方法代码示例

本文整理汇总了Python中zipline.algorithm.TradingAlgorithm.datetime方法的典型用法代码示例。如果您正苦于以下问题:Python TradingAlgorithm.datetime方法的具体用法?Python TradingAlgorithm.datetime怎么用?Python TradingAlgorithm.datetime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zipline.algorithm.TradingAlgorithm的用法示例。


在下文中一共展示了TradingAlgorithm.datetime方法的2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: test_asset_lookup

# 需要导入模块: from zipline.algorithm import TradingAlgorithm [as 别名]
# 或者: from zipline.algorithm.TradingAlgorithm import datetime [as 别名]
    def test_asset_lookup(self):
        metadata = {0: {'symbol': 'PLAY',
                        'asset_type': 'equity',
                        'start_date': '2002-01-01',
                        'end_date': '2004-01-01'},
                    1: {'symbol': 'PLAY',
                        'asset_type': 'equity',
                        'start_date': '2005-01-01',
                        'end_date': '2006-01-01'},
                    2: {'symbol': 'OMG15',
                        'asset_type': 'future'}}
        algo = TradingAlgorithm(asset_metadata=metadata)

        # Test before either PLAY existed
        algo.datetime = pd.Timestamp('2001-12-01', tz='UTC')
        self.assertEqual(2, algo.symbol('OMG15'))
        with self.assertRaises(SymbolNotFound):
            algo.symbol('PLAY')
        with self.assertRaises(SymbolNotFound):
            algo.symbols('PLAY', 'OMG15')

        # Test when first PLAY exists
        algo.datetime = pd.Timestamp('2002-12-01', tz='UTC')
        self.assertEqual(2, algo.symbol('OMG15'))
        self.assertEqual(0, algo.symbol('PLAY'))
        list_result = algo.symbols('PLAY', 'OMG15')
        self.assertEqual(0, list_result[0])
        self.assertEqual(2, list_result[1])

        # Test after first PLAY ends
        algo.datetime = pd.Timestamp('2004-12-01', tz='UTC')
        self.assertEqual(2, algo.symbol('OMG15'))
        self.assertEqual(0, algo.symbol('PLAY'))

        # Test after second PLAY begins
        algo.datetime = pd.Timestamp('2005-12-01', tz='UTC')
        self.assertEqual(2, algo.symbol('OMG15'))
        self.assertEqual(1, algo.symbol('PLAY'))

        # Test after second PLAY ends
        algo.datetime = pd.Timestamp('2006-12-01', tz='UTC')
        self.assertEqual(2, algo.symbol('OMG15'))
        self.assertEqual(1, algo.symbol('PLAY'))
        list_result = algo.symbols('PLAY', 'OMG15')
        self.assertEqual(1, list_result[0])
        self.assertEqual(2, list_result[1])

        # Test lookup SID
        self.assertIsInstance(algo.sid(0), Equity)
        self.assertIsInstance(algo.sid(1), Equity)
        self.assertIsInstance(algo.sid(2), Future)
开发者ID:Joshua2014,项目名称:zipline,代码行数:53,代码来源:test_algorithm.py

示例2: test_future_chain

# 需要导入模块: from zipline.algorithm import TradingAlgorithm [as 别名]
# 或者: from zipline.algorithm.TradingAlgorithm import datetime [as 别名]
    def test_future_chain(self):
        """ Tests the future_chain API function.
        """

        metadata = {
            0: {
                'symbol': 'CLG06',
                'root_symbol': 'CL',
                'asset_type': 'future',
                'start_date': pd.Timestamp('2005-12-01', tz='UTC'),
                'notice_date': pd.Timestamp('2005-12-20', tz='UTC'),
                'expiration_date': pd.Timestamp('2006-01-20', tz='UTC')},
            1: {
                'root_symbol': 'CL',
                'symbol': 'CLK06',
                'asset_type': 'future',
                'start_date': pd.Timestamp('2005-12-01', tz='UTC'),
                'notice_date': pd.Timestamp('2006-03-20', tz='UTC'),
                'expiration_date': pd.Timestamp('2006-04-20', tz='UTC')},
            2: {
                'symbol': 'CLQ06',
                'root_symbol': 'CL',
                'asset_type': 'future',
                'start_date': pd.Timestamp('2005-12-01', tz='UTC'),
                'notice_date': pd.Timestamp('2006-06-20', tz='UTC'),
                'expiration_date': pd.Timestamp('2006-07-20', tz='UTC')},
            3: {
                'symbol': 'CLX06',
                'root_symbol': 'CL',
                'asset_type': 'future',
                'start_date': pd.Timestamp('2006-02-01', tz='UTC'),
                'notice_date': pd.Timestamp('2006-09-20', tz='UTC'),
                'expiration_date': pd.Timestamp('2006-10-20', tz='UTC')}
        }

        algo = TradingAlgorithm(asset_metadata=metadata)
        algo.datetime = pd.Timestamp('2006-12-01', tz='UTC')

        # Check that the fields of the FutureChain object are set correctly
        cl = algo.future_chain('CL')
        self.assertEqual(cl.root_symbol, 'CL')
        self.assertEqual(cl.as_of_date, algo.datetime)

        # Check the fields are set correctly if an as_of_date is supplied
        as_of_date = pd.Timestamp('1952-08-11', tz='UTC')

        cl = algo.future_chain('CL', as_of_date=as_of_date)
        self.assertEqual(cl.root_symbol, 'CL')
        self.assertEqual(cl.as_of_date, as_of_date)

        cl = algo.future_chain('CL', as_of_date='1952-08-11')
        self.assertEqual(cl.root_symbol, 'CL')
        self.assertEqual(cl.as_of_date, as_of_date)

        # Check that weird capitalization is corrected
        cl = algo.future_chain('cL')
        self.assertEqual(cl.root_symbol, 'CL')

        cl = algo.future_chain('cl')
        self.assertEqual(cl.root_symbol, 'CL')

        # Check that invalid root symbols raise RootSymbolNotFound
        with self.assertRaises(RootSymbolNotFound):
            algo.future_chain('CLZ')

        with self.assertRaises(RootSymbolNotFound):
            algo.future_chain('')
开发者ID:kapil0187,项目名称:zipline,代码行数:69,代码来源:test_algorithm.py


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