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MAINT: Use coerce_string in BcolzDailyBarReader.

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Scott Sanderson
2016-01-12 17:39:44 -05:00
parent c8b80dddb0
commit ec0abf1822
1 changed files with 2 additions and 2 deletions
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zipline/data/us_equity_pricing.py
+2 -2
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@@ -23,6 +23,7 @@ import sqlite3
from bcolz import ( from bcolz import (
carray, carray,
ctable, ctable,
open as open_ctable,
) )
from click import progressbar from click import progressbar
from numpy import ( from numpy import (
@@ -364,9 +365,8 @@ class BcolzDailyBarReader(object):
We use calendar_offset and calendar to orient loaded blocks within a We use calendar_offset and calendar to orient loaded blocks within a
range of queried dates. range of queried dates.
""" """
@preprocess(table=coerce_string(open_ctable, mode='r'))
def __init__(self, table): def __init__(self, table):
if isinstance(table, string_types):
table = ctable(rootdir=table, mode='r')
self._table = table self._table = table
self._calendar = DatetimeIndex(table.attrs['calendar'], tz='UTC') self._calendar = DatetimeIndex(table.attrs['calendar'], tz='UTC')