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personal-data/personal_data/parse_util.py

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import datetime
DATETIME_UNITS = {
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'second': datetime.timedelta(seconds=1),
'seconds': datetime.timedelta(seconds=1),
'minute': datetime.timedelta(minutes=1),
'minutes': datetime.timedelta(minutes=1),
'hour': datetime.timedelta(hours=1),
'hours': datetime.timedelta(hours=1),
'day': datetime.timedelta(days=1),
'days': datetime.timedelta(days=1),
'week': datetime.timedelta(days=7),
'weeks': datetime.timedelta(days=7),
'month': datetime.timedelta(days=30),
'months': datetime.timedelta(days=30),
'year': datetime.timedelta(days=365),
'years': datetime.timedelta(days=365),
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}
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FORMAT_DATE_HEADER = '%a, %d %b %Y %H:%M:%S GMT'
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FORMAT_DAY_MONTH_YEAR = '%d %B %Y'
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def parse_duration(text: str) -> datetime.timedelta:
(num, unit) = text.split(' ')
num = int(num)
unit = DATETIME_UNITS[unit]
return unit * num
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def parse_response_datetime(response) -> datetime.datetime:
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return datetime.datetime.strptime(
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response.headers['Date'],
FORMAT_DATE_HEADER,
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).replace(tzinfo=datetime.UTC)
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LOCAL_TIMEZONE = datetime.datetime.now(datetime.timezone.utc).astimezone().tzinfo
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def parse_time(text: str) -> datetime.datetime:
text = text.replace('\n', ' ')
text = text.strip()
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time = datetime.datetime.strptime(text, '%d %b %Y %I:%M:%S %p')
time = time.replace(tzinfo=LOCAL_TIMEZONE)
assert time.tzinfo is not None, time
return time
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def parse_date(text: str) -> datetime.date:
return datetime.datetime.strptime(
text.strip(),
FORMAT_DAY_MONTH_YEAR,
).date()