code: def __init__(
      self, locale: str = DEFAULT_LOCALE, cache_size: int = 0
  ) -> None:
      self.locale = locales.get_locale(locale)
      self._input_re_map = self._BASE_INPUT_RE_MAP.copy()
      self._input_re_map.update(
          {
              "MMMM": self._generate_choice_re(
                  self.locale.month_names[1:], re.IGNORECASE
              ),
              "MMM": self._generate_choice_re(
                  self.locale.month_abbreviations[1:], re.IGNORECASE
              ),
              "Do": re.compile(self.locale.ordinal_day_re),
              "dddd": self._generate_choice_re(
                  self.locale.day_names[1:], re.IGNORECASE
              ),
              "ddd": self._generate_choice_re(
                  self.locale.day_abbreviations[1:], re.IGNORECASE
              ),
              "d": re.compile(r"[1-7]"),
              "a": self._generate_choice_re(
                  (
                      self.locale.meridians["am"],
                      self.locale.meridians["pm"],
                  )
              ),
              # note: 'A' token accepts both 'am/pm' and 'AM/PM' formats to
              # ensure backwards compatibility of this token
              "A": self._generate_choice_re(
                  self.locale.meridians.values()
              ),
          }
      )
      if cache_size > 0:
          self._generate_pattern_re = lru_cache(maxsize=cache_size)(  # type: ignore
              self._generate_pattern_re
          )
  
imports: import re
  import sys
  from datetime import datetime, timedelta
  from datetime import tzinfo
  from functools import lru_cache
  from typing import Any, ClassVar, Dict, Iterable, List, Match, Optional, Pattern, SupportsFloat, SupportsInt, Tuple, Union, cast, overload
  from dateutil import tz
  from arrow import locales
  from arrow.constants import DEFAULT_LOCALE
  from arrow.util import next_weekday, normalize_timestamp
label_desc: Use image node_id 1 to create a new DateTimeParser object  with example: obj = DateTimeParser(locale, cache_size)