def xml_iter()

in src/simplify_docx/iterators/generic.py [0:0]

• 45 lines of code
• 24 McCabe index (conditional complexity)

def xml_iter(
        p: xmlFragment,
        name: str,
        msg: Optional[str] = None) -> Generator[el, None, None]:
    """
    Iterates over an XML node yielding an appropriate element (el)
    """

    handlers = __built__[name]

    # INIT PHASE
    children = p.getchildren()
    if not children:
        return

    current: Optional[xmlFragment] = p.getchildren()[0]

    # ITERATION PHASE
    while current is not None:

        if msg is not None and current.tag not in handlers.TAGS_TO_IGNORE:
            print(msg +
                  ("" if current.prefix is None else (current.prefix + ":")) +
                  current.tag)

        if handlers.TAGS_TO_YIELD \
                and current.tag in handlers.TAGS_TO_YIELD:
            # Yield all math tags
            yield handlers.TAGS_TO_YIELD[current.tag](current)

            if handlers.TAGS_TO_NEST \
                    and current.tag in handlers.TAGS_TO_NEST:
                _msg = None if msg is None else ("  "+msg)
                for elt in xml_iter(current, handlers.TAGS_TO_NEST[current.tag], _msg):
                    yield elt

        elif handlers.TAGS_TO_NEST \
                and current.tag in handlers.TAGS_TO_NEST:
            _msg = None if msg is None else ("  "+msg)
            for elt in xml_iter(current, handlers.TAGS_TO_NEST[current.tag], _msg):
                yield elt


        elif handlers.TAGS_TO_WARN \
                and current.tag in handlers.TAGS_TO_WARN:
            # Skip these unhandled tags with a warning
            warn("Skipping %s tag: %s" % (handlers.TAGS_TO_WARN[current.tag],
                                          current.tag, ))


        elif handlers.TAGS_TO_IGNORE \
                and current.tag in handlers.TAGS_TO_IGNORE:
            # ignore paragraph properties, deleted content and meta tags
            # like bookmarks, permissions, comments, etc.
            pass

        elif handlers.TAGS_TO_SKIP \
                and current.tag in handlers.TAGS_TO_SKIP:
            # Skip over content that has been moved elsewhere
            data = handlers.TAGS_TO_SKIP[current.tag]
            current = skip_range(current, data[0], data[1])
            if current is None:
                return

        else:
            warn("Skipping unexpected tag: %s" % (current.tag),
                 UnexpectedElementWarning)

        current = current.getnext()

    return