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better handling of imagemagick subprocess

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Flo Greistorfer
2024-09-17 13:12:54 +02:00
committed by Flo Greistorfer
parent 6c636905e2
commit 74d97dac2a
4 changed files with 73 additions and 5 deletions
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20
modules/svg_handling.py
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@@ -1,6 +1,7 @@
import os
import shutil
from typing import List, Dict
from subprocess import Popen, PIPE
from PIL import Image
from jinja2 import Environment, FileSystemLoader
@@ -92,10 +93,23 @@ def generate_favicon(iconspath: str, root_directory: str) -> None:
"""
favicon = os.path.join(root_directory, ".static", "favicon.ico")
logger.info("generating favicon with imagemagick", extra={"iconspath": iconspath, "favicon": favicon})
command = f'magick {os.path.join(iconspath, "icon.png")} -define icon:auto-resize=16,32,48,64,72,96,144,192 {favicon}'
_env = dict(os.environ)
lp_key = "LD_LIBRARY_PATH"
lp_orig = _env.get(lp_key + "_ORIG")
if lp_orig is not None:
_env[lp_key] = lp_orig
else:
_env.pop(lp_key, None)
if not shutil.which("magick"):
command = f'convert {os.path.join(iconspath, "icon.png")} -define icon:auto-resize=16,32,48,64,72,96,144,192 {favicon}'
os.system(command)
magick = shutil.which("convert")
else:
magick = shutil.which("magick")
command = [magick, os.path.join(iconspath, "icon.png"), "-define", "icon:auto-resize=16,32,48,64,72,96,144,192", favicon]
with Popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE, env=_env, errors="ignore") as p:
out, err = p.communicate()
if p.returncode != 0:
logger.error("error generating favicon: %s", err, extra={"command": command, "out": out, "err": err})
logger.info("favicon generated successfully", extra={"command": command, "out": out, "err": err})
def icons(_args: Args) -> None: