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Write SVG files with Python.

Project description


The most straightforward way to create SVG files with Python.

Three functions only:

from svg_writer import new_svg_root, write_svg, write_png_from_svg


x: float,
y: float,
width: float,
height: float,
pad: float = 0
-> etree.Element

Create an svg root element from viewBox style arguments and provide the necessary svg-specific attributes. This is your window onto the scene. The arguments are the same you'd use to create a rect element (plus pad):

  • x: x value in upper-left corner
  • y: y value in upper-left corner
  • width: width of viewBox
  • height: height of viewBox
  • pad: The one small convenience I've provided. Optionally increase viewBox by pad in all directions.


filename: str,
xml: etree.Element,
stylesheet: Optional[str] = None,
do_link_css: bool = True,
-> None:

Write an xml element as an svg file. This will link or inline your css code and insert the necessary declaration, doctype, and processing instructions.

  • filename: path to output file (include extension .svg)
  • param xml: root node of your svg geometry (created by new_svg_root)
  • stylesheet: optional path to a css stylesheet
  • do_link_css: link to stylesheet, else write contents of stylesheet into svg (ignored if stylesheet is None)


inkscape_exe: PathType,
svg: str
-> Path

Convert an svg file to a png. Python does not have a library for this. That has an upside, as any library would be one more set of svg implementation idiosyncrasies we'd have to deal with. Inkscape will convert the file. This function provides the necessary command-line arguments.

  • inkscape_exe: path to inkscape.exe
  • svg: path to svg file
  • return: png filename

Full Documentation and Tutorial

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