Builds this scaffold out to the given filepath with the 
        chosen structure.
        
        :param      outpath   | <str>
                    structure | <xml.etree.ElementTree.Element> || None

        :return     <bool> | success

def build(self, outpath, structure=None):
        """
        Builds this scaffold out to the given filepath with the 
        chosen structure.
        
        :param      outpath   | <str>
                    structure | <xml.etree.ElementTree.Element> || None

        :return     <bool> | success
        """
        if not os.path.exists(outpath):
            return False

        opts = {'scaffold': self}

        if structure is not None:
            xstruct = structure
        else:
            xstruct = self.structure()

        if zipfile.is_zipfile(self.source()):
            zfile = zipfile.ZipFile(self.source(), 'r')
        else:
            zfile = None
            base = os.path.dirname(self.source())

        # build the structure information
        # noinspection PyShadowingNames
        def build_level(root, xlevel):
            # ignore the entry
            if xlevel.get('enabled', 'True') == 'False':
                return

            # create a folder
            if xlevel.tag == 'folder':
                name = makotext.render(xlevel.get('name'), opts)
                dirname = os.path.join(root, name)
                if not os.path.exists(dirname):
                    os.mkdir(dirname)

                for xchild in xlevel:
                    build_level(dirname, xchild)

            # create a file
            elif xlevel.tag == 'file':
                name = makotext.render(xlevel.get('name'), opts)
                fname = os.path.join(root, name)

                # create from a template
                templ = xlevel.get('templ')
                if templ:
                    if zfile:
                        templ_str = zfile.read('templ/{0}'.format(templ))
                    else:
                        templ_path = os.path.join(base, 'templ', templ)
                        templ_str = open(templ_path, 'r').read()

                    rendered = makotext.render(templ_str, opts)
                    rendered = rendered.replace('\r\n', '\r')

                    f = open(fname, 'w')
                    f.write(rendered)
                    f.close()

                # create a blank file
                else:
                    f = open(fname, 'w')
                    f.close()

        for xlevel in xstruct:
            build_level(outpath, xlevel)

        if zfile:
            zfile.close()
        return True