0ptr/nullptr/models/base.py

from copy import deepcopy
from dataclasses import dataclass
from nullptr.util import sg
@dataclass
class Base:
  symbol: str
  dirty: bool
  
  def __init__(self, symbol, store):
    self.symbol = symbol
    self.store = store
    self.dirty = True
  
  def seta(self, attr,  d, name=None):
    if name is None:
      name = attr
    val = sg(d, name)
    if val is not None:
      setattr(self, attr, val)
  
  def setlst(self, attr, d, name, member):
    val = sg(d, name)
    if val is not None:
      lst = [sg(x, member) for x in val]
      setattr(self, attr, lst)
    
  def __setattr__(self, name, value):
    if name != 'dirty':
      self.dirty = True
    super().__setattr__(name, value)
  
  def update(self, d):
    pass
    
  def dict(self):
    r = deepcopy(self.__dict__)
    del r['store']
    del r['dirty']
    return r
    
  def path(self):
    raise NotImplementedError('path')
  
  @classmethod
  def ext(self):
    raise NotImplementedError('extension')
  
  def type(self):
    return self.__class__.__name__
  
  def __str__(self):
    return self.f()
    
  def f(self, detail=1):
    r = self.symbol
    if detail > 1:
      r += '.' + self.ext()
    return r