本文整理匯總了Python中matplotlib.dates.drange方法的典型用法代碼示例。如果您正苦於以下問題：Python dates.drange方法的具體用法？Python dates.drange怎麽用？Python dates.drange使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類matplotlib.dates的用法示例。
在下文中一共展示了dates.drange方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_drange
# 需要導入模塊: from matplotlib import dates [as 別名]
# 或者: from matplotlib.dates import drange [as 別名]
def test_drange():
"""
This test should check if drange works as expected, and if all the
rounding errors are fixed
"""
start = datetime.datetime(2011, 1, 1, tzinfo=mdates.UTC)
end = datetime.datetime(2011, 1, 2, tzinfo=mdates.UTC)
delta = datetime.timedelta(hours=1)
# We expect 24 values in drange(start, end, delta), because drange returns
# dates from an half open interval [start, end)
assert_equal(24, len(mdates.drange(start, end, delta)))
# if end is a little bit later, we expect the range to contain one element
# more
end = end + datetime.timedelta(microseconds=1)
assert_equal(25, len(mdates.drange(start, end, delta)))
# reset end
end = datetime.datetime(2011, 1, 2, tzinfo=mdates.UTC)
# and tst drange with "complicated" floats:
# 4 hours = 1/6 day, this is an "dangerous" float
delta = datetime.timedelta(hours=4)
daterange = mdates.drange(start, end, delta)
assert_equal(6, len(daterange))
assert_equal(mdates.num2date(daterange[-1]), end - delta) 示例2: test_drange
# 需要導入模塊: from matplotlib import dates [as 別名]
# 或者: from matplotlib.dates import drange [as 別名]
def test_drange():
"""
This test should check if drange works as expected, and if all the
rounding errors are fixed
"""
start = datetime.datetime(2011, 1, 1, tzinfo=mdates.UTC)
end = datetime.datetime(2011, 1, 2, tzinfo=mdates.UTC)
delta = datetime.timedelta(hours=1)
# We expect 24 values in drange(start, end, delta), because drange returns
# dates from an half open interval [start, end)
assert len(mdates.drange(start, end, delta)) == 24
# if end is a little bit later, we expect the range to contain one element
# more
end = end + datetime.timedelta(microseconds=1)
assert len(mdates.drange(start, end, delta)) == 25
# reset end
end = datetime.datetime(2011, 1, 2, tzinfo=mdates.UTC)
# and tst drange with "complicated" floats:
# 4 hours = 1/6 day, this is an "dangerous" float
delta = datetime.timedelta(hours=4)
daterange = mdates.drange(start, end, delta)
assert len(daterange) == 6
assert mdates.num2date(daterange[-1]) == (end - delta)