name : elementfactory.py #!/usr/bin/env python #coding:utf-8 # Author: mozman --<mozman@gmx.at> # Purpose: element factory # Created: 15.10.2010 # Copyright (C) 2010, Manfred Moitzi # License: MIT License from svgwrite import container from svgwrite import shapes from svgwrite import path from svgwrite import image from svgwrite import text from svgwrite import gradients from svgwrite import pattern from svgwrite import masking from svgwrite import animate from svgwrite import filters from svgwrite import solidcolor factoryelements = { 'g': container.Group, 'svg': container.SVG, 'defs': container.Defs, 'symbol': container.Symbol, 'marker': container.Marker, 'use': container.Use, 'a': container.Hyperlink, 'script': container.Script, 'style': container.Style, 'line': shapes.Line, 'rect': shapes.Rect, 'circle': shapes.Circle, 'ellipse': shapes.Ellipse, 'polyline': shapes.Polyline, 'polygon': shapes.Polygon, 'path': path.Path, 'image': image.Image, 'text': text.Text, 'tspan': text.TSpan, 'tref': text.TRef, 'textPath': text.TextPath, 'textArea': text.TextArea, 'linearGradient': gradients.LinearGradient, 'radialGradient': gradients.RadialGradient, 'pattern': pattern.Pattern, 'solidColor': solidcolor.SolidColor, 'clipPath': masking.ClipPath, 'mask': masking.Mask, 'animate': animate.Animate, 'set': animate.Set, 'animateColor': animate.AnimateColor, 'animateMotion': animate.AnimateMotion, 'animateTransform': animate.AnimateTransform, 'filter': filters.Filter, } class ElementBuilder(object): def __init__(self, cls, factory): self.cls = cls self.factory = factory def __call__(self, *args, **kwargs): # inject creator object - inherit _parameter from factory kwargs['factory'] = self.factory # create an object of type 'cls' return self.cls(*args, **kwargs) class ElementFactory(object): def __getattr__(self, name): if name in factoryelements: return ElementBuilder(factoryelements[name], self) else: raise AttributeError("'%s' has no attribute '%s'" % (self.__class__.__name__, name))