Python源码示例：datetime.hour()
示例1
def now(offset=ZERO_TIMESPAN):
""":yaql:now
Returns the current local date and time.
:signature: now(offset => timespan(0))
:arg offset: datetime offset in microsecond resolution, needed for tzinfo,
timespan(0) by default
:argType offset: timespan type
:returnType: datetime
.. code::
yaql> let(now()) -> [$.year, $.month, $.day]
[2016, 7, 18]
yaql> now(offset=>localtz()).hour - now().hour
3
"""
zone = _get_tz(offset)
return DATETIME_TYPE.now(tz=zone)
示例2
def date(dt):
""":yaql:property date
Returns datetime object with only year, month, day and tzinfo
part of given datetime.
:signature: datetime.date
:returnType: datetime object
.. code::
yaql> let(datetime(2006, 11, 21, 16, 30, 2, 123).date) ->
[$.year, $.month, $.day, $.hour]
[2006, 11, 21, 0]
"""
return DATETIME_TYPE(
year=dt.year, month=dt.month, day=dt.day, tzinfo=dt.tzinfo)
示例3
def register(context):
functions = (
build_datetime, build_timespan, datetime_from_timestamp,
datetime_from_string, now, localtz, utctz, utc,
days, hours, minutes, seconds, milliseconds, microseconds,
datetime_plus_timespan, timespan_plus_datetime,
datetime_minus_timespan, datetime_minus_datetime,
timespan_plus_timespan, timespan_minus_timespan,
datetime_gt_datetime, datetime_gte_datetime,
datetime_lt_datetime, datetime_lte_datetime,
timespan_gt_timespan, timespan_gte_timespan,
timespan_lt_timespan, timespan_lte_timespan,
negative_timespan, positive_timespan,
timespan_by_num, num_by_timespan, div_timespans, div_timespan_by_num,
year, month, day, hour, minute, second, microsecond, weekday,
offset, timestamp, date, time, replace, format_, is_datetime,
is_timespan
)
for func in functions:
context.register_function(func)
示例4
def _parse_datetime(self, dstr):
# ' MM/DD HH:MM:SS' or 'MM/DD HH:MM:SS'
# Dirty hack
if dstr[0] != ' ':
dstr = ' ' + dstr
#year = 2017
year = 2013 # for CHICAGO_IL_USA TMY2-94846
month = int(dstr[1:3])
day = int(dstr[4:6])
hour = int(dstr[8:10])
minute = int(dstr[11:13])
sec = 0
msec = 0
if hour == 24:
hour = 0
dt = datetime(year, month, day, hour, minute, sec, msec) + timedelta(days=1)
else:
dt = datetime(year, month, day, hour, minute, sec, msec)
return dt
# Convert list of date/time string to list of datetime objects
示例5
def _convert_datetime24(self, dates):
# ' MM/DD HH:MM:SS'
dates_new = []
for d in dates:
#year = 2017
#month = int(d[1:3])
#day = int(d[4:6])
#hour = int(d[8:10])
#minute = int(d[11:13])
#sec = 0
#msec = 0
#if hour == 24:
# hour = 0
# d_new = datetime(year, month, day, hour, minute, sec, msec) + dt.timedelta(days=1)
#else:
# d_new = datetime(year, month, day, hour, minute, sec, msec)
#dates_new.append(d_new)
dates_new.append(self._parse_datetime(d))
return dates_new
# Generate x_pos and x_labels
示例6
def test_julian_day_dt(self):
# add 1us manually to the test timestamp (GH #940)
dt = times.tz_convert('UTC')[0] + pd.Timedelta(1, unit='us')
year = dt.year
month = dt.month
day = dt.day
hour = dt.hour
minute = dt.minute
second = dt.second
microsecond = dt.microsecond
assert_almost_equal(JD + 1e-6 / (3600*24), # modify expected JD by 1us
self.spa.julian_day_dt(
year, month, day, hour,
minute, second, microsecond), 6)
示例7
def build_datetime(year, month, day, hour=0, minute=0, second=0,
microsecond=0, offset=ZERO_TIMESPAN):
""":yaql:datetime
Returns datetime object built on year, month, day, hour, minute, second,
microsecond, offset.
:signature: datetime(year, month, day, hour => 0, minute => 0, second => 0,
microsecond => 0, offset => timespan(0))
:arg year: number of years in datetime
:argType year: integer between 1 and 9999 inclusive
:arg month: number of months in datetime
:argType month: integer between 1 and 12 inclusive
:arg day: number of days in datetime
:argType day: integer between 1 and number of days in given month
:arg hour: number of hours in datetime, 0 by default
:argType hour: integer between 0 and 23 inclusive
:arg minute: number of minutes in datetime, 0 by default
:argType minute: integer between 0 and 59 inclusive
:arg second: number of seconds in datetime, 0 by default
:argType second: integer between 0 and 59 inclusive
:arg microsecond: number of microseconds in datetime, 0 by default
:argType microsecond: integer between 0 and 1000000-1
:arg offset: datetime offset in microsecond resolution, needed for tzinfo,
timespan(0) by default
:argType offset: timespan type
:returnType: datetime object
.. code::
yaql> let(datetime(2015, 9, 29)) -> [$.year, $.month, $.day]
[2015, 9, 29]
"""
zone = _get_tz(offset)
return DATETIME_TYPE(year, month, day, hour, minute, second,
microsecond, zone)
示例8
def hour(dt):
""":yaql:property hour
Returns hour of given datetime.
:signature: datetime.hour
:returnType: integer
.. code::
yaql> datetime(2006, 11, 21, 16, 30).hour
16
"""
return dt.hour
示例9
def utc(dt):
""":yaql:property utc
Returns datetime converted to UTC.
:signature: datetime.utc
:returnType: datetime object
.. code::
yaql> datetime(2006, 11, 21, 16, 30, offset =>
timespan(hours => 3)).utc.hour
13
"""
return dt - dt.utcoffset()
示例10
def convert_time_to_int(datetime):
return datetime.hour * 3600000 + datetime.minute * 60000 + datetime.second * 1000 + datetime.microsecond / 1000.0
# Convert the decision taken by an AI into an actual new location
示例11
def test_julian_day_dt(self):
dt = times.tz_convert('UTC')[0]
year = dt.year
month = dt.month
day = dt.day
hour = dt.hour
minute = dt.minute
second = dt.second
microsecond = dt.microsecond
assert_almost_equal(JD,
self.spa.julian_day_dt(year, month, day, hour,
minute, second, microsecond), 6)
示例12
def generate_x_pos_x_labels(self, dates):
time_delta = self._parse_datetime(dates[1]) - self._parse_datetime(dates[0])
x_pos = []
x_labels = []
for i, d in enumerate(dates):
dt = self._parse_datetime(d) - time_delta
if dt.hour == 0 and dt.minute == 0:
x_pos.append(i)
x_labels.append(dt.strftime('%m/%d'))
return x_pos, x_labels
