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Prototype-Oriented Programming in Python at the tip of your fingers in a simple, easy-to-use library.

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protoclass - Prototype-Oriented Programming in Python.

Prototype-Oriented Programming in Python at the tip of your fingers in a simple, easy-to-use library.

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Installation

pip install protoclass

Usage

>>> from protoclass import proto

# We create a basic object and add some functionality
>>> jane = proto(first="Jane", last="Doe")
>>> jane.greet = lambda self: print(self)
>>> jane.greet()  #doctest: +ELLIPSIS
<proto object at ...>

# A more user-friendly would be better.
# We could modify the `greet` function
# or we could create another object and inherit from it
>>> person = proto(first="", last="")
>>> person.__str__ = lambda self: f"{self.first} {self.last}"
>>> jane = jane.chain(person)

# and we should get a better message.
>>> jane.greet()
Jane Doe

API Reference

proto(**attrs)
Makes a new prototype with given attributes. An empty prototype will be made when no attributes are given.
proto.chain(self, other, *others)
Makes self copy attributes from another prototype or multiple other prototypes. Any previous relationship with other parent prototypes will be automatically severed. When parent prototypes share attributes with the same name, the first parent prototype that has that attribute will be provide it, so the order in which they are given matters. Any change made to parent prototypes will be automatically propagated to this prototype.
clone(other, *others)
Makes a new prototype by copying attributes from another prototype or multiple other prototypes. When parent prototypes share attributes with the same name, the first parent prototype that has that attribute will be provide it, so the order in which they are given matters. Any change made to parent prototypes will be automatically propagated to this clone.

For more information on these functions, call help on the function you would like to know more of, like this: help(proto). You can also read the docs.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change. Please make sure to update tests as appropriate.

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Prototype-Oriented Programming in Python at the tip of your fingers in a simple, easy-to-use library.

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