MAINT: Removes references to tradingcalendar

tests/data/bundles/test_core.py

@@ -31,7 +31,7 @@ from zipline.testing.predicates import (
 )
 from zipline.utils.cache import dataframe_cache
 from zipline.utils.functional import apply
-from zipline.utils.tradingcalendar import trading_days
+from zipline.utils.calendars import get_calendar
 import zipline.utils.paths as pth
 
 
@@ -114,6 +114,7 @@ class BundleCoreTestCase(WithInstanceTmpDir, ZiplineTestCase):
 
         start = pd.Timestamp('2014-01-06', tz='utc')
         end = pd.Timestamp('2014-01-10', tz='utc')
+        trading_days = get_calendar('NYSE').all_trading_days
         calendar = trading_days[trading_days.slice_indexer(start, end)]
         minutes = env.minutes_for_days_in_range(calendar[0], calendar[-1])
 

tests/data/bundles/test_yahoo.py

@@ -10,7 +10,7 @@ from zipline.lib.adjustment import Float64Multiply
 from zipline.testing import test_resource_path, tmp_dir, read_compressed
 from zipline.testing.fixtures import WithResponses, ZiplineTestCase
 from zipline.testing.predicates import assert_equal
-from zipline.utils.tradingcalendar import trading_days
+from zipline.utils.calendars import get_calendar
 
 
 class YahooBundleTestCase(WithResponses, ZiplineTestCase):
@@ -18,6 +18,7 @@ class YahooBundleTestCase(WithResponses, ZiplineTestCase):
     columns = 'open', 'high', 'low', 'close', 'volume'
     asset_start = pd.Timestamp('2014-01-02', tz='utc')
     asset_end = pd.Timestamp('2014-12-31', tz='utc')
+    trading_days = get_calendar('NYSE').all_trading_days
     calendar = trading_days[
         (trading_days >= asset_start) &
         (trading_days <= asset_end)

tests/resources/yahoo_samples/rebuild_samples

@@ -8,7 +8,7 @@ import numpy as np
 import pandas as pd
 
 from zipline.testing import test_resource_path, write_compressed
-from zipline.utils.tradingcalendar import trading_days
+from zipline.utils.calendars import get_calendar
 
 
 def zipfile_path(symbol, ext):
@@ -27,6 +27,8 @@ def pricing_for_sid(sid):
     def column(name):
         return np.arange(252) + 1 + sid * 10000 + modifier[name] * 1000
 
+    trading_days = get_calendar('NYSE').all_trading_days
+
     return pd.DataFrame(
         data={
             'Date': trading_days[

zipline/data/bundles/core.py

@@ -29,7 +29,11 @@ from zipline.utils.compat import mappingproxy
 from zipline.utils.input_validation import ensure_timestamp, optionally
 import zipline.utils.paths as pth
 from zipline.utils.preprocess import preprocess
-from zipline.utils.tradingcalendar import trading_days, open_and_closes
+from zipline.utils.calendars import get_calendar
+
+nyse_cal = get_calendar('NYSE')
+trading_days = nyse_cal.all_trading_days
+open_and_closes = nyse_cal.schedule
 
 
 def asset_db_path(bundle_name, timestr, environ=None):