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from typing import Dict, Optional, Type |
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from typepy import ( |
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Bool, |
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DateTime, |
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Dictionary, |
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Infinity, |
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Integer, |
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IpAddress, |
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List, |
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Nan, |
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NoneType, |
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NullString, |
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RealNumber, |
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String, |
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Typecode, |
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) |
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from typepy.type import AbstractType |
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from ._formatter import Formatter |
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from ._interface import DataPeropertyInterface |
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class DataPeropertyBase(DataPeropertyInterface): |
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__slots__ = ( |
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"_datetime_format_str", |
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"_decimal_places", |
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"_east_asian_ambiguous_width", |
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"_formatter", |
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"_typecode", |
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"__format_str", |
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) |
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__TYPE_CLASS_TABLE: Dict[Typecode, AbstractType] = { |
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Typecode.BOOL: Bool, |
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Typecode.DATETIME: DateTime, |
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Typecode.DICTIONARY: Dictionary, |
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Typecode.INTEGER: Integer, |
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Typecode.INFINITY: Infinity, |
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Typecode.IP_ADDRESS: IpAddress, |
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Typecode.LIST: List, |
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Typecode.NAN: Nan, |
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Typecode.NONE: NoneType, |
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Typecode.NULL_STRING: NullString, |
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Typecode.REAL_NUMBER: RealNumber, |
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Typecode.STRING: String, |
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} |
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@property |
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def type_class(self) -> Type[AbstractType]: |
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return self.__TYPE_CLASS_TABLE[self.typecode] |
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@property |
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def typecode(self) -> Typecode: |
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""" |
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``typepy.Typecode`` that corresponds to the type of the ``data``. |
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:return: |
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One of the Enum value that are defined ``typepy.Typecode``. |
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:rtype: typepy.Typecode |
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""" |
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assert self._typecode |
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return self._typecode |
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@property |
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def typename(self) -> str: |
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return self.typecode.name |
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def __init__( |
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self, |
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format_flags: Optional[int], |
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is_formatting_float: bool, |
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datetime_format_str: str, |
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east_asian_ambiguous_width: int, |
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) -> None: |
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self._decimal_places: Optional[int] = None |
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self._east_asian_ambiguous_width = east_asian_ambiguous_width |
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self._typecode: Optional[Typecode] = None |
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self._datetime_format_str = datetime_format_str |
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self.__format_str = "" |
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self._formatter = Formatter( |
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format_flags=format_flags, |
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datetime_format_str=self._datetime_format_str, |
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is_formatting_float=is_formatting_float, |
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) |
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@property |
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def format_str(self) -> str: |
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if self.__format_str: |
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return self.__format_str |
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self.__format_str = self._formatter.make_format_str(self.typecode, self.decimal_places) |
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return self.__format_str |
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