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from typing import Any, Dict, List, Optional
from mbstrdecoder import MultiByteStrDecoder
from typepy import Integer, StrictLevel, Typecode, TypeConversionError
from ._align import Align
from ._align_getter import align_getter
from ._base import DataPeropertyBase
from ._common import DefaultValue
from ._container import ListContainer, MinMaxContainer
from ._dataproperty import DataProperty
from ._function import calc_ascii_char_width
from .typing import FloatType
class ColumnDataProperty(DataPeropertyBase):
__slots__ = (
"__header_ascii_char_width",
"__body_ascii_char_width",
"__column_index",
"__dp_list",
"__float_type",
"__format_map",
"__is_calculate",
"__max_precision",
"__minmax_integer_digits",
"__minmax_decimal_places",
"__minmax_additional_format_len",
"__typecode_bitmap",
)
@property
def align(self) -> Align:
return align_getter.get_align_from_typecode(self.typecode)
@property
def bit_length(self) -> Optional[int]:
if self.typecode != Typecode.INTEGER:
return None
bit_length = 0
for value_dp in self.__dp_list:
try:
bit_length = max(bit_length, int.bit_length(value_dp.data))
except TypeError:
pass
return bit_length
@property
def column_index(self) -> int:
return self.__column_index
@property
def decimal_places(self) -> Optional[int]:
return self._decimal_places
@property
def ascii_char_width(self) -> int:
return max(self.__header_ascii_char_width, self.__body_ascii_char_width)
@property
def minmax_integer_digits(self) -> MinMaxContainer:
return self.__minmax_integer_digits
@property
def minmax_decimal_places(self) -> ListContainer:
return self.__minmax_decimal_places
@property
def minmax_additional_format_len(self) -> MinMaxContainer:
return self.__minmax_additional_format_len
def __init__(
self,
column_index: int,
float_type: Optional[FloatType],
min_width: int = 0,
format_flags: Optional[int] = None,
is_formatting_float: bool = True,
datetime_format_str: str = DefaultValue.DATETIME_FORMAT,
east_asian_ambiguous_width: int = 1,
max_precision: int = DefaultValue.MAX_PRECISION,
) -> None:
super().__init__(
format_flags=format_flags,
is_formatting_float=is_formatting_float,
datetime_format_str=datetime_format_str,
east_asian_ambiguous_width=east_asian_ambiguous_width,
)
self.__header_ascii_char_width = 0
self.__body_ascii_char_width = min_width
self.__column_index = column_index
self.__float_type = float_type
self.__is_calculate = True
self.__dp_list: List[DataProperty] = []
self.__minmax_integer_digits = MinMaxContainer()
self.__minmax_decimal_places = ListContainer()
self.__minmax_additional_format_len = MinMaxContainer()
self.__max_precision = max_precision
self.__typecode_bitmap = Typecode.NONE.value
self.__calc_typecode_from_bitmap()
self.__format_map: Dict[Typecode, str] = self._formatter.make_format_map(
decimal_places=self._decimal_places
)
def __repr__(self) -> str:
element_list = []
if self.column_index is not None:
element_list.append(f"column={self.column_index}")
element_list.extend(
[
f"type={self.typename}",
f"align={self.align.align_string}",
f"ascii_width={self.ascii_char_width}",
]
)
if Integer(self.bit_length).is_type():
element_list.append(f"bit_len={self.bit_length}")
if self.minmax_integer_digits.has_value():
if self.minmax_integer_digits.is_same_value():
value = f"int_digits={self.minmax_integer_digits.min_value}"
else:
value = f"int_digits=({self.minmax_integer_digits})"
element_list.append(value)
if self.minmax_decimal_places.has_value():
if self.minmax_decimal_places.is_same_value():
value = f"decimal_places={self.minmax_decimal_places.min_value}"
else:
value = f"decimal_places=({self.minmax_decimal_places})"
element_list.append(value)
if not self.minmax_additional_format_len.is_zero():
if self.minmax_additional_format_len.is_same_value():
value = f"extra_len={self.minmax_additional_format_len.min_value}"
else:
value = f"extra_len=({self.minmax_additional_format_len})"
element_list.append(value)
return ", ".join(element_list)
def dp_to_str(self, value_dp: DataProperty) -> str:
if value_dp.typecode == Typecode.STRING:
return str(value_dp.data)
try:
value = self.__preprocess_value_before_tostring(value_dp)
except TypeConversionError:
return self.__format_map.get(value_dp.typecode, "{:s}").format(value_dp.data)
to_string_format_str = self.__get_tostring_format(value_dp)
try:
return to_string_format_str.format(value)
except (ValueError, TypeError):
pass
try:
return MultiByteStrDecoder(value).unicode_str
except ValueError:
pass
return str(value)
def extend_width(self, ascii_char_width: int) -> None:
self.extend_header_width(ascii_char_width)
self.extend_body_width(ascii_char_width)
def extend_header_width(self, ascii_char_width: int) -> None:
self.__header_ascii_char_width += ascii_char_width
def extend_body_width(self, ascii_char_width: int) -> None:
self.__body_ascii_char_width += ascii_char_width
def update_header(self, header_db: DataProperty) -> None:
self.__header_ascii_char_width = header_db.ascii_char_width
def update_body(self, value_dp: DataProperty) -> None:
if value_dp.is_include_ansi_escape:
assert value_dp.no_ansi_escape_dp
value_dp = value_dp.no_ansi_escape_dp
self.__typecode_bitmap |= value_dp.typecode.value
self.__calc_typecode_from_bitmap()
if value_dp.typecode in (Typecode.REAL_NUMBER, Typecode.INTEGER):
self.__minmax_integer_digits.update(value_dp.integer_digits)
self.__minmax_decimal_places.update(value_dp.decimal_places)
self.__update_decimal_places()
self.__minmax_additional_format_len.update(value_dp.additional_format_len)
self.__dp_list.append(value_dp)
self.__update_ascii_char_width()
def merge(self, column_dp: "ColumnDataProperty") -> None:
self.__typecode_bitmap |= column_dp.typecode.value
self.__calc_typecode_from_bitmap()
self.__minmax_integer_digits.merge(column_dp.minmax_integer_digits)
self.__minmax_decimal_places.merge(column_dp.minmax_decimal_places)
self.__update_decimal_places()
self.__minmax_additional_format_len.merge(column_dp.minmax_additional_format_len)
self.__body_ascii_char_width = max(self.__body_ascii_char_width, column_dp.ascii_char_width)
self.__update_ascii_char_width()
def begin_update(self) -> None:
self.__is_calculate = False
def end_update(self) -> None:
self.__is_calculate = True
self.__calc_typecode_from_bitmap()
self.__update_decimal_places()
self.__update_ascii_char_width()
def __is_not_single_typecode(self, typecode_bitmap: int) -> bool:
return bool(
self.__typecode_bitmap & typecode_bitmap and self.__typecode_bitmap & ~typecode_bitmap
)
def __is_float_typecode(self) -> bool:
FLOAT_TYPECODE_BMP = (
Typecode.REAL_NUMBER.value | Typecode.INFINITY.value | Typecode.NAN.value
)
NUMBER_TYPECODE_BMP = FLOAT_TYPECODE_BMP | Typecode.INTEGER.value
if self.__is_not_single_typecode(NUMBER_TYPECODE_BMP | Typecode.NULL_STRING.value):
return False
if (
bin(self.__typecode_bitmap & (FLOAT_TYPECODE_BMP | Typecode.NULL_STRING.value)).count(
"1"
)
>= 2
):
return True
if bin(self.__typecode_bitmap & NUMBER_TYPECODE_BMP).count("1") >= 2:
return True
return False
def __calc_body_ascii_char_width(self) -> int:
width_list = [self.__body_ascii_char_width]
for value_dp in self.__dp_list:
if value_dp.is_include_ansi_escape:
assert value_dp.no_ansi_escape_dp
value_dp = value_dp.no_ansi_escape_dp
width_list.append(
calc_ascii_char_width(self.dp_to_str(value_dp), self._east_asian_ambiguous_width)
)
return max(width_list)
def __calc_decimal_places(self) -> Optional[int]:
if self.minmax_decimal_places.max_value is None:
return None
return min(self.__max_precision, int(self.minmax_decimal_places.max_value))
def __get_tostring_format(self, value_dp: DataProperty) -> str:
if self.typecode == Typecode.STRING:
return self.__format_map.get(value_dp.typecode, "{:s}")
return self.__format_map.get(self.typecode, "{:s}")
def __get_typecode_from_bitmap(self) -> Typecode:
if self.__is_float_typecode():
return Typecode.REAL_NUMBER
if any(
[
self.__is_not_single_typecode(Typecode.BOOL.value),
self.__is_not_single_typecode(Typecode.DATETIME.value),
]
):
return Typecode.STRING
typecode_list = [
Typecode.STRING,
Typecode.REAL_NUMBER,
Typecode.INTEGER,
Typecode.DATETIME,
Typecode.DICTIONARY,
Typecode.IP_ADDRESS,
Typecode.LIST,
Typecode.BOOL,
Typecode.INFINITY,
Typecode.NAN,
Typecode.NULL_STRING,
]
for typecode in typecode_list:
if self.__typecode_bitmap & typecode.value:
return typecode
if self.__typecode_bitmap == Typecode.NONE.value:
return Typecode.NONE
return Typecode.STRING
def __update_ascii_char_width(self) -> None:
if not self.__is_calculate:
return
self.__body_ascii_char_width = self.__calc_body_ascii_char_width()
def __update_decimal_places(self) -> None:
if not self.__is_calculate:
return
self._decimal_places = self.__calc_decimal_places()
self.__format_map = self._formatter.make_format_map(decimal_places=self._decimal_places)
def __calc_typecode_from_bitmap(self) -> None:
if not self.__is_calculate:
return
self._typecode = self.__get_typecode_from_bitmap()
def __preprocess_value_before_tostring(self, value_dp: DataProperty) -> Any:
if self.typecode == value_dp.typecode or self.typecode in [
Typecode.STRING,
Typecode.BOOL,
Typecode.DATETIME,
]:
return value_dp.data
return self.type_class(
value_dp.data,
strict_level=StrictLevel.MIN,
float_type=self.__float_type,
strip_ansi_escape=False,
).convert()
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