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from __future__ import annotations
import sys
from ruamel.yaml.anchor import Anchor
if False: # MYPY
from typing import Text, Any, Dict, List # NOQA
__all__ = ['ScalarFloat', 'ExponentialFloat', 'ExponentialCapsFloat']
class ScalarFloat(float):
def __new__(cls: Any, *args: Any, **kw: Any) -> Any:
width = kw.pop('width', None)
prec = kw.pop('prec', None)
m_sign = kw.pop('m_sign', None)
m_lead0 = kw.pop('m_lead0', 0)
exp = kw.pop('exp', None)
e_width = kw.pop('e_width', None)
e_sign = kw.pop('e_sign', None)
underscore = kw.pop('underscore', None)
anchor = kw.pop('anchor', None)
v = float.__new__(cls, *args, **kw)
v._width = width
v._prec = prec
v._m_sign = m_sign
v._m_lead0 = m_lead0
v._exp = exp
v._e_width = e_width
v._e_sign = e_sign
v._underscore = underscore
if anchor is not None:
v.yaml_set_anchor(anchor, always_dump=True)
return v
def __iadd__(self, a: Any) -> Any: # type: ignore
return float(self) + a
x = type(self)(self + a)
x._width = self._width
x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
return x
def __ifloordiv__(self, a: Any) -> Any: # type: ignore
return float(self) // a
x = type(self)(self // a)
x._width = self._width
x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
return x
def __imul__(self, a: Any) -> Any: # type: ignore
return float(self) * a
x = type(self)(self * a)
x._width = self._width
x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
x._prec = self._prec # check for others
return x
def __ipow__(self, a: Any) -> Any: # type: ignore
return float(self) ** a
x = type(self)(self ** a)
x._width = self._width
x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
return x
def __isub__(self, a: Any) -> Any: # type: ignore
return float(self) - a
x = type(self)(self - a)
x._width = self._width
x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
return x
@property
def anchor(self) -> Any:
if not hasattr(self, Anchor.attrib):
setattr(self, Anchor.attrib, Anchor())
return getattr(self, Anchor.attrib)
def yaml_anchor(self, any: bool = False) -> Any:
if not hasattr(self, Anchor.attrib):
return None
if any or self.anchor.always_dump:
return self.anchor
return None
def yaml_set_anchor(self, value: Any, always_dump: bool = False) -> None:
self.anchor.value = value
self.anchor.always_dump = always_dump
def dump(self, out: Any = sys.stdout) -> None:
out.write(
f'ScalarFloat({self}| w:{self._width}, p:{self._prec}, ' # type: ignore
f's:{self._m_sign}, lz:{self._m_lead0}, _:{self._underscore}|{self._exp}'
f', w:{self._e_width}, s:{self._e_sign})\n',
)
class ExponentialFloat(ScalarFloat):
def __new__(cls, value: Any, width: Any = None, underscore: Any = None) -> Any:
return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)
class ExponentialCapsFloat(ScalarFloat):
def __new__(cls, value: Any, width: Any = None, underscore: Any = None) -> Any:
return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)
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