Script for templating SVGs

label-maker.py

#!/usr/bin/env python3
# label-maker.py: A little script i wrote to template SVGs and convert them to
#                 images so i could make custom labels without knowing how to
#                 use inkscape, photoshop and the like

from string import Template
import csv, os

# NOTE: pyvips needs vips-dev to be installed and in PATH
import pyvips

# === OPTIONS === #

DPI = 1200

TEMPLATE_FILE = 'template.svg'
DATA_FILE = 'data.csv'
OUTPUT_FILENAME_FORMAT = 'label-{VALUE}.jpg' # NOTE: you can use any value from
                                             # the DATA file
OUTPUT_DIRECTORY = 'labels'

# === THE CODE === #

raw_template = ""
with open(TEMPLATE_FILE) as file:
    raw_template = file.read()

os.makedirs(OUTPUT_DIRECTORY, exist_ok=True)

with open(DATA_FILE, newline='') as csvfile:
    reader = csv.DictReader(csvfile)
    for row in reader:
        img = pyvips.Image.svgload_buffer(
            str.encode(Template(raw_template).safe_substitute(row)),
            dpi = DPI
        )
        img.write_to_file(os.path.join(OUTPUT_DIRECTORY, OUTPUT_FILENAME_FORMAT.format(**row)))