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Merge pull request #27 from quantopian/dataloader_fixes

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Removed quarter utilities unused by zipline
This commit is contained in:
Eddie Hebert
2012-11-20 11:28:29 -08:00
parent b27ef0323f f4be285dd7
commit 5d779c8867
2 changed files with 1 additions and 48 deletions
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zipline/utils/date_utils.py
-46
View File
@@ -27,52 +27,6 @@ def parse_iso8061(date_string):
return dt
# quarter utilities
# ---------------------
def get_quarter(dt):
"""
convert the given datetime to an integer representing
the number of calendar quarters since 0.
"""
quarters = dt.year * 4
month = dt.month
if month <= 3:
return quarters + 1
elif month <= 6:
return quarters + 2
elif month <= 9:
return quarters + 3
else:
return quarters + 4
def dates_of_quarter(quarter_num):
year = quarter_num / 4
quarter = quarter_num % 4
if quarter == 0:
quarter = 4
if quarter == 1:
start = datetime(year, 1, 1, 0, 0, tzinfo=pytz.utc)
end = datetime(year, 3, 31, 23, 59, tzinfo=pytz.utc)
return start, end
elif quarter == 2:
start = datetime(year, 4, 1, 0, 0, tzinfo=pytz.utc)
end = datetime(year, 6, 30, 23, 59, tzinfo=pytz.utc)
return start, end
elif quarter == 3:
start = datetime(year, 7, 1, 0, 0, tzinfo=pytz.utc)
end = datetime(year, 9, 30, 23, 59, tzinfo=pytz.utc)
return start, end
elif quarter == 4:
start = datetime(year, 10, 1, 0, 0, tzinfo=pytz.utc)
end = datetime(year, 12, 31, 23, 59, tzinfo=pytz.utc)
return start, end
# Epoch utilities
# ---------------------
UNIX_EPOCH = datetime(1970, 1, 1, 0, 0, tzinfo=pytz.utc)
zipline/utils/test_utils.py
+1 -2
View File
@@ -18,8 +18,7 @@ def teardown_logger(test):
def check_list(test, a, b, label):
test.assertTrue(isinstance(a, (list, blist.blist)))
test.assertTrue(isinstance(b, (list, blist.blist)))
i = 0
for a_val, b_val in izip(a, b):
for i, (a_val, b_val) in enumerate(izip(a, b)):
check(test, a_val, b_val, label + "[" + str(i) + "]")