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Python BcolzMinuteBarWriter.last_date_in_output_for_sid方法代码示例

本文整理汇总了Python中zipline.data.minute_bars.BcolzMinuteBarWriter.last_date_in_output_for_sid方法的典型用法代码示例。如果您正苦于以下问题:Python BcolzMinuteBarWriter.last_date_in_output_for_sid方法的具体用法?Python BcolzMinuteBarWriter.last_date_in_output_for_sid怎么用?Python BcolzMinuteBarWriter.last_date_in_output_for_sid使用的例子?那么, 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.data.minute_bars.BcolzMinuteBarWriter的用法示例。


在下文中一共展示了BcolzMinuteBarWriter.last_date_in_output_for_sid方法的3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: BcolzMinuteBarTestCase

# 需要导入模块: from zipline.data.minute_bars import BcolzMinuteBarWriter [as 别名]
# 或者: from zipline.data.minute_bars.BcolzMinuteBarWriter import last_date_in_output_for_sid [as 别名]

#.........这里部分代码省略.........
        self.assertEquals(15.0, close_price)

        volume_price = self.reader.get_value(sid, minute, 'volume')

        self.assertEquals(100.0, volume_price)

        sid = sids[1]

        open_price = self.reader.get_value(sid, minute, 'open')

        self.assertEquals(25.0, open_price)

        high_price = self.reader.get_value(sid, minute, 'high')

        self.assertEquals(27.0, high_price)

        low_price = self.reader.get_value(sid, minute, 'low')

        self.assertEquals(21.0, low_price)

        close_price = self.reader.get_value(sid, minute, 'close')

        self.assertEquals(25.0, close_price)

        volume_price = self.reader.get_value(sid, minute, 'volume')

        self.assertEquals(200.0, volume_price)

    def test_pad_data(self):
        """
        Test writing empty data.
        """
        sid = 1
        last_date = self.writer.last_date_in_output_for_sid(sid)
        self.assertIs(last_date, NaT)

        self.writer.pad(sid, TEST_CALENDAR_START)

        last_date = self.writer.last_date_in_output_for_sid(sid)
        self.assertEqual(last_date, TEST_CALENDAR_START)

        freq = self.market_opens.index.freq
        minute = self.market_opens[TEST_CALENDAR_START + freq]
        data = DataFrame(
            data={
                'open': [15.0],
                'high': [17.0],
                'low': [11.0],
                'close': [15.0],
                'volume': [100.0]
            },
            index=[minute])
        self.writer.write(sid, data)

        open_price = self.reader.get_value(sid, minute, 'open')

        self.assertEquals(15.0, open_price)

        high_price = self.reader.get_value(sid, minute, 'high')

        self.assertEquals(17.0, high_price)

        low_price = self.reader.get_value(sid, minute, 'low')

        self.assertEquals(11.0, low_price)
开发者ID:Retord,项目名称:zipline,代码行数:69,代码来源:test_minute_bars.py

示例2: BcolzMinuteBarTestCase

# 需要导入模块: from zipline.data.minute_bars import BcolzMinuteBarWriter [as 别名]
# 或者: from zipline.data.minute_bars.BcolzMinuteBarWriter import last_date_in_output_for_sid [as 别名]

#.........这里部分代码省略.........
        self.assertEquals(15.0, close_price)

        volume_price = self.reader.get_value(sid, minute, 'volume')

        self.assertEquals(100.0, volume_price)

        sid = sids[1]

        open_price = self.reader.get_value(sid, minute, 'open')

        self.assertEquals(25.0, open_price)

        high_price = self.reader.get_value(sid, minute, 'high')

        self.assertEquals(27.0, high_price)

        low_price = self.reader.get_value(sid, minute, 'low')

        self.assertEquals(21.0, low_price)

        close_price = self.reader.get_value(sid, minute, 'close')

        self.assertEquals(25.0, close_price)

        volume_price = self.reader.get_value(sid, minute, 'volume')

        self.assertEquals(200.0, volume_price)

    def test_pad_data(self):
        """
        Test writing empty data.
        """
        sid = 1
        last_date = self.writer.last_date_in_output_for_sid(sid)
        self.assertIs(last_date, NaT)

        self.writer.pad(sid, TEST_CALENDAR_START)

        last_date = self.writer.last_date_in_output_for_sid(sid)
        self.assertEqual(last_date, TEST_CALENDAR_START)

        freq = self.market_opens.index.freq
        day = TEST_CALENDAR_START + freq
        minute = self.market_opens[day]

        data = DataFrame(
            data={
                'open': [15.0],
                'high': [17.0],
                'low': [11.0],
                'close': [15.0],
                'volume': [100.0]
            },
            index=[minute])
        self.writer.write_sid(sid, data)

        open_price = self.reader.get_value(sid, minute, 'open')

        self.assertEquals(15.0, open_price)

        high_price = self.reader.get_value(sid, minute, 'high')

        self.assertEquals(17.0, high_price)

        low_price = self.reader.get_value(sid, minute, 'low')
开发者ID:jeyoor,项目名称:zipline,代码行数:69,代码来源:test_minute_bars.py

示例3: BcolzMinuteBarTestCase

# 需要导入模块: from zipline.data.minute_bars import BcolzMinuteBarWriter [as 别名]
# 或者: from zipline.data.minute_bars.BcolzMinuteBarWriter import last_date_in_output_for_sid [as 别名]

#.........这里部分代码省略.........
        self.assertEquals(15.0, close_price)

        volume_price = self.reader.get_value(sid, minute, 'volume')

        self.assertEquals(100.0, volume_price)

        sid = sids[1]

        open_price = self.reader.get_value(sid, minute, 'open')

        self.assertEquals(25.0, open_price)

        high_price = self.reader.get_value(sid, minute, 'high')

        self.assertEquals(27.0, high_price)

        low_price = self.reader.get_value(sid, minute, 'low')

        self.assertEquals(21.0, low_price)

        close_price = self.reader.get_value(sid, minute, 'close')

        self.assertEquals(25.0, close_price)

        volume_price = self.reader.get_value(sid, minute, 'volume')

        self.assertEquals(200.0, volume_price)

    def test_pad_data(self):
        """
        Test writing empty data.
        """
        sid = 1
        last_date = self.writer.last_date_in_output_for_sid(sid)
        self.assertIs(last_date, NaT)

        self.writer.pad(sid, TEST_CALENDAR_START)

        last_date = self.writer.last_date_in_output_for_sid(sid)
        self.assertEqual(last_date, TEST_CALENDAR_START)

        freq = self.market_opens.index.freq
        minute = self.market_opens[TEST_CALENDAR_START + freq]
        data = DataFrame(
            data={
                'open': [15.0],
                'high': [17.0],
                'low': [11.0],
                'close': [15.0],
                'volume': [100.0]
            },
            index=[minute])
        self.writer.write(sid, data)

        open_price = self.reader.get_value(sid, minute, 'open')

        self.assertEquals(15.0, open_price)

        high_price = self.reader.get_value(sid, minute, 'high')

        self.assertEquals(17.0, high_price)

        low_price = self.reader.get_value(sid, minute, 'low')

        self.assertEquals(11.0, low_price)
开发者ID:AlexanderAA,项目名称:zipline,代码行数:69,代码来源:test_minute_bars.py


注:本文中的zipline.data.minute_bars.BcolzMinuteBarWriter.last_date_in_output_for_sid方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。