Function parse has a Cognitive Complexity of 59 (exceeds 5 allowed). Consider refactoring.

Open

    def parse(self, parent):
        """
        https://www.w3.org/TR/html5/syntax.html
        See: 8.2.5 Tree construction
        """

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Function measure_column_widths has a Cognitive Complexity of 24 (exceeds 5 allowed). Consider refactoring.

Open

    def measure_column_widths(self):
        table_columns = []
        columns = None
        for box in self.boxes():
            if isinstance(box.behavior, TableRow):

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Function get_behavior has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

    def get_behavior(parent, node):

        display = node.style.display

        if display == 'block':

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Function pumper has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

def pumper(html_generator):
    """
    Pulls HTML from source generator,
    feeds it to the parser and yields
    DOM elements.

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Avoid deeply nested control flow statements.

Open

                        if yield_root_table_rows and isinstance(child_node.behavior, TableRow):
                            self.css.apply_recursively(child_node)
                            yield child_element, child_node

Avoid deeply nested control flow statements.

Open

                        for hrow in table.thead.children:
                            columns.measure(hrow, table_columns[-1])
                    if table.tfoot:

Avoid deeply nested control flow statements.

Open

                        if previous is not None:
                            if node.text_allowed and previous[0].tail:
                                # insert text between previous node and current node
                                node.insert(len(node.children)-2, previous[0].tail)
                        position_of_type.setdefault(child_node.tag, 0)

Avoid deeply nested control flow statements.

Open

                        for frow in table.tfoot.children:
                            columns.measure(frow, table_columns[-1])
                columns.measure(box, table_columns[-1])

Avoid too many return statements within this function.

Open

                return TableRow(node)

Avoid too many return statements within this function.

Open

        return Block(node)

Avoid too many return statements within this function.

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                    return TableColumnGroup(node)

Avoid too many return statements within this function.

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                    return TableRowGroup(node)

Avoid too many return statements within this function.

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                return TableCell(node)

Avoid too many return statements within this function.

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                return TableColumn(node)

Avoid too many return statements within this function.

Open

                return ListItem(node)