Method pages

src/__init__.py:6036–6063

Return a generator iterator over a page range. Arguments have the same meaning as for the range() built-in.

(self, start: OptInt =None, stop: OptInt =None, step: OptInt =None)

        return "UseNone"

    def pages(self, start: OptInt =None, stop: OptInt =None, step: OptInt =None) -> collections.abc.Iterable[Page]:
        """Return a generator iterator over a page range.

        Arguments have the same meaning as for the range() built-in.
        """
        if not self.page_count:
            return
        # set the start value
        start = start or 0
        while start < 0:
            start += self.page_count
        if start not in range(self.page_count):
            raise ValueError("bad start page number")

        # set the stop value
        stop = stop if stop is not None and stop <= self.page_count else self.page_count

        # set the step value
        if step == 0:
            raise ValueError("arg 3 must not be zero")
        if step is None:
            if start > stop:
                step = -1
            else:
                step = 1

        for pno in range(start, stop, step):
            yield (self.load_page(pno))

    def pdf_catalog(self):
        """Get xref of PDF catalog."""