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rewrote generate_date_series using while loop

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Gourav Kumar 2023-07-16 19:53:24 +05:30
parent 0bab00f455
commit f317a93bfe
1 changed files with 17 additions and 21 deletions
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30
pyfacts/pyfacts.py
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@ -76,32 +76,28 @@ def create_date_series(
if eomonth and frequency.days < AllFrequencies.M.days:
raise ValueError(f"eomonth cannot be set to True if frequency is higher than {AllFrequencies.M.name}")
if ensure_coverage:
if frequency.days == 1 and skip_weekends and end_date.weekday() > 4:
extend_by_days = 7 - end_date.weekday()
end_date += relativedelta(days=extend_by_days)
else:
end_date += relativedelta(days=frequency.days)
# TODO: Add code to ensure coverage for other frequencies as well
datediff = (end_date - start_date).days / frequency.days + 1
dates = []
for i in range(0, int(datediff)):
diff = {frequency.freq_type: frequency.value * i}
counter = 0
while counter < 100000:
diff = {frequency.freq_type: frequency.value * counter}
date = start_date + relativedelta(**diff)
if eomonth:
replacement = {"month": date.month + 1} if date.month < 12 else {"year": date.year + 1, "month": 1}
date = date.replace(day=1).replace(**replacement) - relativedelta(days=1)
date += relativedelta(months=1, day=1, days=-1)
if date <= end_date:
if date > end_date:
if not ensure_coverage:
break
elif dates[-1] >= end_date:
break
counter += 1
if frequency.days > 1 or not skip_weekends:
dates.append(date)
elif date.weekday() < 5:
dates.append(date)
else:
raise ValueError("Cannot generate a series containing more than 100000 dates")
return Series(dates, dtype="date")