コード例 #1
0
ファイル: test_transforms.py プロジェクト: snth/zipline
    def test_event_window_with_timedelta(self):

        # Keep all events within a 5 minute window.
        window = NoopEventWindow(
            market_aware=False,
            delta=timedelta(minutes=5),
            days=None
        )

        now = utcnow()

        # 15 dates, increasing in 1 minute increments.
        dates = [now + i * timedelta(minutes=1)
                 for i in xrange(15)]

        # Turn the dates into the format required by EventWindow.
        dt_messages = [to_dt(date) for date in dates]

        # Run all messages through the window and assert that we're adding
        # and removing messages appropriately. We start the enumeration at 1
        # for convenience.
        for num, message in enumerate(dt_messages, 1):
            window.update(message)

            # Assert that we've added the correct number of events.
            assert len(window.added) == num

            # Assert that we removed only events that fall outside (or
            # on the boundary of) the delta.
            for dropped in window.removed:
                assert message.dt - dropped.dt >= timedelta(minutes=5)
コード例 #2
0
    def test_event_window_with_timedelta(self):

        # Keep all events within a 5 minute window.
        window = NoopEventWindow(market_aware=False,
                                 delta=timedelta(minutes=5),
                                 days=None)

        now = utcnow()

        # 15 dates, increasing in 1 minute increments.
        dates = [now + i * timedelta(minutes=1) for i in xrange(15)]

        # Turn the dates into the format required by EventWindow.
        dt_messages = [to_dt(date) for date in dates]

        # Run all messages through the window and assert that we're adding
        # and removing messages appropriately. We start the enumeration at 1
        # for convenience.
        for num, message in enumerate(dt_messages, 1):
            window.update(message)

            # Assert that we've added the correct number of events.
            assert len(window.added) == num

            # Assert that we removed only events that fall outside (or
            # on the boundary of) the delta.
            for dropped in window.removed:
                assert message.dt - dropped.dt >= timedelta(minutes=5)
コード例 #3
0
ファイル: tradingcalendar.py プロジェクト: jtwaleson/zipline
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


import pandas as pd
import pytz

from datetime import datetime
from dateutil import rrule
from zipline.utils.date_utils import utcnow

start = datetime(1990, 1, 1, tzinfo=pytz.utc)
end = utcnow()


def get_non_trading_days(start, end):
    non_trading_rules = []

    weekends = rrule.rrule(
        rrule.YEARLY,
        byweekday=(rrule.SA, rrule.SU),
        cache=True,
        dtstart=start,
        until=end
    )
    non_trading_rules.append(weekends)

    new_years = rrule.rrule(
コード例 #4
0
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import pytz

from datetime import datetime
from dateutil import rrule
from zipline.utils.date_utils import utcnow

start = datetime(2002, 1, 1, tzinfo=pytz.utc)
end = utcnow()

non_trading_rules = []

weekends = rrule.rrule(rrule.YEARLY,
                       byweekday=(rrule.SA, rrule.SU),
                       cache=True,
                       dtstart=start,
                       until=end)
non_trading_rules.append(weekends)

new_years = rrule.rrule(rrule.MONTHLY,
                        byyearday=1,
                        cache=True,
                        dtstart=start,
                        until=end)