Function walk

Lib/email/iterators.py:19–28

Walk over the message tree, yielding each subpart. The walk is performed in depth-first order. This method is a generator.

(self)

# This function will become a method of the Message class
def walk(self):
    """Walk over the message tree, yielding each subpart.

    The walk is performed in depth-first order.  This method is a
    generator.
    """
    yield self
    if self.is_multipart():
        for subpart in self.get_payload():
            yield from subpart.walk()


# These two functions are imported into the Iterators.py interface module.