Method pdoc

IPython/core/oinspect.py:419–475

Print the docstring for any object. Optional: -formatter: a function to run the docstring through for specially formatted docstrings. Examples -------- In [1]: class NoInit: ...: pass In [2]: class NoDoc: ...:

(self, obj, oname='', formatter=None)

    # In Python 3, all classes are new-style, so they all have __init__.
    @skip_doctest
    def pdoc(self, obj, oname='', formatter=None):
        """Print the docstring for any object.

        Optional:
        -formatter: a function to run the docstring through for specially
        formatted docstrings.

        Examples
        --------

        In [1]: class NoInit:
           ...:     pass

        In [2]: class NoDoc:
           ...:     def __init__(self):
           ...:         pass

        In [3]: %pdoc NoDoc
        No documentation found for NoDoc

        In [4]: %pdoc NoInit
        No documentation found for NoInit

        In [5]: obj = NoInit()

        In [6]: %pdoc obj
        No documentation found for obj

        In [5]: obj2 = NoDoc()

        In [6]: %pdoc obj2
        No documentation found for obj2
        """

        head = self.__head  # For convenience
        lines = []
        ds = getdoc(obj)
        if formatter:
            ds = formatter(ds).get('plain/text', ds)
        if ds:
            lines.append(head("Class docstring:"))
            lines.append(indent(ds))
        if inspect.isclass(obj) and hasattr(obj, '__init__'):
            init_ds = getdoc(obj.__init__)
            if init_ds is not None:
                lines.append(head("Init docstring:"))
                lines.append(indent(init_ds))
        elif hasattr(obj,'__call__'):
            call_ds = getdoc(obj.__call__)
            if call_ds:
                lines.append(head("Call docstring:"))
                lines.append(indent(call_ds))

        if not lines:
            self.noinfo('documentation',oname)
        else:
            page.page('\n'.join(lines))