Files
discord-reminder-bot/discord_reminder_bot/parse.py

58 lines
1.9 KiB
Python

import dataclasses
from datetime import datetime
import dateparser
from dateparser.conf import SettingValidationError
from discord_reminder_bot.settings import config_timezone
@dataclasses.dataclass
class ParsedTime:
"""
This is used when parsing a time or date from a string.
We use this when adding a job with /reminder add.
Attributes:
date_to_parse: The string we parsed the time from.
err: True if an error was raised when parsing the time.
err_msg: The error message.
parsed_time: The parsed time we got from the string.
"""
date_to_parse: str = None
err: bool = False
err_msg: str = ""
parsed_time: datetime = None
def parse_time(date_to_parse: str, timezone: str = config_timezone) -> ParsedTime:
"""Parse the datetime from a string.
Args:
date_to_parse: The string we want to parse.
timezone: The timezone to use when parsing. This will be used when typing things like "22:00".
Returns:
ParsedTime
"""
try:
parsed_date = dateparser.parse(
f"{date_to_parse}",
settings={
"PREFER_DATES_FROM": "future",
"TIMEZONE": f"{timezone}",
"TO_TIMEZONE": f"{timezone}",
},
)
except SettingValidationError as e:
return ParsedTime(err=True, err_msg=f"Timezone is possible wrong?: {e}", date_to_parse=date_to_parse)
except ValueError as e:
return ParsedTime(err=True, err_msg=f"Failed to parse date. Unknown language: {e}", date_to_parse=date_to_parse)
except TypeError as e:
return ParsedTime(err=True, err_msg=f"{e}", date_to_parse=date_to_parse)
if not parsed_date:
return ParsedTime(err=True, err_msg=f"Could not parse the date.", date_to_parse=date_to_parse)
return ParsedTime(parsed_time=parsed_date, date_to_parse=date_to_parse)