Hi Steve,

You might consider publishing that script on github or something similar (if you haven't already), it'll probably get lost in this mailing list.

I've lost count at the number of annoying things I've been able to fix because of some kind soul out there has published a script that either fixes my problems or gets me half way there. :)

On Tue, May 1, 2018 at 10:11 AM, Steve Litt <slitt@...2357...> wrote:

On Tue, 1 May 2018 00:28:27 +0200 Marc Jeanmougin <marc@...3080...> wrote:

...

Hi,

You can delete the rdf thing, it's just metadata, and probably also the aria attribute, but for the flowroot thing, you have to select your (flowing) text elements in inkscape and convert them to real text (Text -> Convert to text) or you may lose text.

Thanks Marc!

It turns out I was able to delete all three without effect I was able to see on quick inspection.

Because I had several such Inkscape authored SVG files, I created a shellscript calling a Python3 program that automatically removes most of the epubcheck error causers:

SHELLSCRIPT trim_svg.sh:

#!/bin/sh fname=$1 bakname=$fname.bak cp -p $fname $bakname inkscape --vacuum-defs $fname inkscape --export-plain-svg $fname.2 $fname ./trim_svg.py $fname.2 cp -p $fname.2a $fname ========================================================================

Python3 program trim_svg.py

#!/usr/bin/python3

import sys import xml.etree.ElementTree as ET import re

def main(): # Handle filename and args if len(sys.argv) != 2: print("USAGE: trim_svg.py infname.") print("Aborting.") sys.exit(1) else: infname = sys.argv[1]

# Parse the original file
parser = ET.XMLParser()
try:
    tree = ET.parse(infname, parser=parser)
except Exception as exception:
    print("Parse failure, aborting!",  file=sys.stderr)
    print(exception, file=sys.stderr)
    exit(1)
root = tree.getroot()

# Delete the necessary
to_delete=[]

for parent in tree.getiterator():
    for child in parent:
        if re.search("RDF$",child.tag) or
re.search("flowRoot$",child.tag):
            to_delete.append([parent, child])
        elif "aria-label" in child.attrib:
            del(child.attrib["aria-label"])
for pair in to_delete:
    pair[0].remove(pair[1])

tree.write(infname + "a",encoding="UTF-8",short_empty_elements=True)

if __name__ == "__main__": main() ========================================================================

The epubcheck program is a petty diva snowflake that gripes about the slightest deviation not only in your ePub files, but also in the .svg files it displays. Getting to zero errors, zero warnings is a pain in the posterior, but guarantees that your ePub will be readable on any reasonable device, and will look good on all reasonable devices. It's overkill for a lot of people, but if you're ever in the position of widely distributing ePub files, you might use it, and if so, this shellscript and Python program get rid of the vast majority of error-triggering Inkscape derived SVG features. Be sure to back up the original SVGs in case my programs visibly damage them.

SteveT

Steve Litt April 2018 featured book: Troubleshooting Techniques of the Successful Technologist http://www.troubleshooters.com/techniques

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