def base_quarter(self):
"""
Get the DateRange of the quarter that contains self.bdate.
"""
quarter = get_quarter(self.bmonth)
start, end = self.get_quarter_range(self.byear, quarter)
return DateFrame(start, end)
def base_month(self):
"""
Get the DateRange of the month that contains self.bdate
"""
year, month = self.byear, self.bmonth
start, end = self.get_month_range(year, month)
return DateFrame(start, end)
def next_year(self, years=1):
"""
Get the DateRange that n years after self.bdate.
Argus:
year - next n years
"""
start, end = self.relative_year(years=years)
return DateFrame(start, end)
def next_week(self, weeks=1):
"""
Get the DateRange that n weeks after self.bdate.
Argus:
weeks - next n weeks
"""
start, end = self.relative_week(weeks=weeks)
return DateFrame(start, end)
def next_quarter(self, quarters=1):
"""
Get the DateRange that n quarters after self.bdate.
Argus:
quarters - next n quarters
"""
start, end = self.relative_quarter(quarters=quarters)
return DateFrame(start, end)
def next_month(self, months=1):
"""
Get the DateRange that n months after self.bdate.
Argus:
months - next n months
"""
start, end = self.relative_month(months=months)
return DateFrame(start, end)
def next_day(self, days=1):
"""
Get the DateRange that n days after self.bdate.
Argus:
days - next n days
"""
start, end = self.relative_day(days=days)
return DateFrame(start, end)
def prev_day(self, days=1):
"""
Get the DateRange that n days before self.bdate.
Argus:
days - n days ago
"""
ndays = days * -1
start, end = self.relative_day(days=ndays)
return DateFrame(start, end)
def prev_year(self, years=1):
"""
Get the DateRange that n years before self.bdate.
Argus:
years - n years ago
"""
nyears = years * -1
start, end = self.relative_year(years=nyears)
return DateFrame(start, end)
def prev_quarter(self, quarters=1):
"""
Get the DateRange that n quarters before self.bdate.
Argus:
quarters - n quarters ago
"""
nquarters = quarters * -1
start, end = self.relative_quarter(quarters=nquarters)
return DateFrame(start, end)
def prev_month(self, months=1):
"""
Get the DateRange that n months before self.bdate.
Argus:
months - n months ago
"""
nmonths = months * -1
start, end = self.relative_month(months=nmonths)
return DateFrame(start, end)
def prev_week(self, weeks=1):
"""
Get the DateRange that n weeks before self.bdate.
Argus:
weeks - n week ago
"""
nweeks = weeks * -1
start, end = self.relative_week(weeks=nweeks)
return DateFrame(start, end)
def to_date(self, to_date):
"""
Return the DateRange from self.bdate to `to_date`
Argus:
to_date - Example: date(2015, 1, 1)
"""
if to_date < self.bdate:
raise InvalidDateRange()
return DateFrame(self.bdate, to_date + timedelta(days=1))
def from_date(self, from_date):
"""
Return the DateRange from `from_date` to self.bdate
Argus:
from_date - Example: date(2015, 1, 1)
"""
if from_date > self.bdate:
raise InvalidDateRange()
return DateFrame(from_date, self.bdate + timedelta(days=1))
def base_day(self):
"""
Get the DateRange of self.bdate.
"""
return DateFrame(self.bdate, self.bdate)
def base_week(self):
"""
Get DateRange of the week that contains self.bdate.
"""
start, end = self.get_week_range(self.bdate)
return DateFrame(start, end)
def base_year(self):
"""
Get the DateRange of the year that contains self.bdate.
"""
start, end = self.get_year_range(self.byear)
return DateFrame(start, end)
