Extract PNGs from EML

eml2png.py

import os
from email import policy
from email.parser import BytesParser

# Pfad zur .eml-Datei
eml_file = "beispiel.eml"
output_dir = "bilder"

# Sicherstellen, dass der Ausgabeordner existiert
os.makedirs(output_dir, exist_ok=True)

# EML-Datei einlesen
with open(eml_file, 'rb') as f:
    msg = BytesParser(policy=policy.default).parse(f)

# Durch alle Teile der Nachricht iterieren
for part in msg.walk():
    content_type = part.get_content_type()
    content_disposition = part.get("Content-Disposition", "")

    # Nur Bilder (meist image/jpeg, image/png)
    if content_type.startswith("image/"):
        filename = part.get_filename()
        if not filename:
            ext = content_type.split("/")[-1]
            filename = f"bild_{hash(part)}.{ext}"
        filepath = os.path.join(output_dir, filename)
        
        # Bild speichern
        with open(filepath, 'wb') as img:
            img.write(part.get_payload(decode=True))
        print(f"Bild gespeichert: {filepath}")