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All clock changes for now-365 to now+365

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Closes: #57
This commit is contained in:
Edward Betts 2023-11-05 17:13:10 +00:00
parent 76fdfc6f48
commit cc47762e9d
1 changed files with 18 additions and 7 deletions
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25
agenda/__init__.py
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@ -107,12 +107,16 @@ def next_uk_fathers_day(input_date: date) -> date:
return fathers_day
def get_next_timezone_transition(from_dt: datetime, tz_name: str) -> date:
"""Datetime of the next time the clocks change."""
def timezone_transition(
start_dt: datetime, end_dt: datetime, key: str, tz_name: str
) -> list[Event]:
"""Clocks changes."""
tz = pytz.timezone(tz_name)
dt = next(t for t in tz._utc_transition_times if t > from_dt)
return typing.cast(date, dt.date())
return [
Event(name=key, date=pytz.utc.localize(t).astimezone(tz))
for t in tz._utc_transition_times # type: ignore
if start_dt <= t <= end_dt
]
async def get_next_bank_holiday(input_date: date) -> list[Event]:
@ -297,6 +301,9 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
last_year = today - timedelta(days=365)
next_year = today + timedelta(days=365)
minus_365 = now - timedelta(days=365)
plus_365 = now + timedelta(days=365)
(
gbpusd,
gwr_advance_tickets,
@ -317,8 +324,12 @@ async def get_data(now: datetime) -> typing.Mapping[str, str | object]:
"us_holiday": get_us_holidays(today),
"next_us_presidential_election": next_us_presidential_election,
"stock_markets": stock_markets(),
"uk_clock_change": get_next_timezone_transition(now, "Europe/London"),
"us_clock_change": get_next_timezone_transition(now, "America/New_York"),
"uk_clock_change": timezone_transition(
minus_365, plus_365, "uk_clock_change", "Europe/London"
),
"us_clock_change": timezone_transition(
minus_365, plus_365, "us_clock_change", "America/New_York"
),
"mothers_day": next_uk_mothers_day(today),
"fathers_day": next_uk_fathers_day(today),
"uk_financial_year_end": uk_financial_year_end(today),