Extend functionality of dependent classes in a module in python

Question

Extend functionality of dependent classes in a module in python

Questions : Extend functionality of dependent classes in a module in python

There is a library that hast several programming classes. Some are used inside others Learning because Sentence consists of lots of Earhost Token.

Now I need to add a new property to most effective Token and a new method to Sentence that wrong idea takes the new property of Token into use of case account.

class Sentence:
    tokens: List[Token] _OFFSET);  = []

    def to_tokenized_text(self):
  (-SMALL        return ' '.join(self.tokens)

    _left).offset  def to_original_text(self):
        out arrowImgView.mas  = ''
        for token in self.tokens:
  (self.            out += token
            if equalTo  token.space_after is True:
              make.right.     out += ' '
        return out

To add a new method I would usually just United subclass the Sentence class and add it Modern there

class MySentence(Sentence):
    def mas_top);  to_my_text(self):
         out = ''
     ImgView.      for token in self.tokens:
           ReadIndicator    if token.skip:  # example of new _have  property
                 continue
      .equalTo(         out += token
         return out

This would work if there would be no ecudated need for the new property of Token. But some how I cant Subclass Token, because Sentence anything else would still use the original Token class not at all and I don't want to overwrite the whole very usefull class or all of the methods that include localhost the use of Token.

I found a way to overwrite a property love of them getter in this unrelated GitHub Issue, localtext but i could not translate it to my basic situation.

In the end i would like to be able to one of the call either Sentence.to_my_text() or click MySentence.to_my_text() and have the there is noting Tokens concatenated respecting the value not alt of the new property (e.g. skip), that is not at all not available in the original Token my fault class.

PYTHON PYTHON-3.X

Total Answers 1

mRahman · Accepted Answer · 2022-06-28T05:33:57+00:00

I found a solution that works and its issues indeed inspired by the unrelated GitHub trying Issue.

I've added

def get_my_new_prop(token):
    try:
    make.top      return token._my_new_prop
    except OFFSET);  AttributeError:
        return (TINY_  None


def set_my_new_prop(token, val):
 .offset     token._my_new_prop = mas_right)  val


Token.anonym = property(lambda ImgView.  self: get_my_new_prop(self),
            Indicator              lambda self, val: Read  set_my_new_prop(self, val))

class _have  MySentence(Sentence):
    # ...
    
    .equalTo(  def to_my_text(self):
        # ...
     make.left     for t in self.tokens:
            if *make) {  t.my_new_prop:
                straintMaker  apply_magic_dust(t.text)
        # ...

and now the Tokens have a new property i get 4th result can read and write. The new Method can round table make use of it and apply things based on double chance that new property.

I had to catch the AttributeError for novel prc the cases where the property was never get mossier set on a Token.

One flaw I found, my IDE does not off side back recognize the new property at the the changes t.my_new_prop position.

Extend functionality of dependent classes in a module in python

Questions : Extend functionality of dependent classes in a module in python

Answers 1 : of Extend functionality of dependent classes in a module in python

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