Very quick and dirty script to fix image paths in boostnote for exporting them to obsidian. You may have to run this multiple times on the same file until you no longer get FileNotFoundErrors

boostnote_to_obisidan_image_path_fix.py

import re
import argparse
from shutil import copyfile

boostnote_attachment_base_dir = "/path/to/Boostnote/attachments/"
obsidian_note_attachment_dir = "/path/to/obsidian/notes/attachments/dir"
orig_image_dir = "/path/where/original/boostnote/photos/are/stored"
parser = argparse.ArgumentParser()
required_args = parser.add_argument_group("Required Arguments")
required_args.add_argument("-f", required=True, dest="input_file", help="Obsidian Markdown file to fix")
args = parser.parse_args()

with open(f"{args.input_file}", 'r+') as f:
    old = f.read()
    matches = re.findall(r"!\[(?P<orig_filename>.*)]\(:storage/(?P<dir>.*)/(?P<img_file>.*\.png)\)", old)
    for match in matches:
        try:
            print(f"Replacing {match[1]}/{match[2]}")
            copyfile(f"{boostnote_attachment_base_dir}{match[1]}/{match[2]}", f"{obsidian_note_attachment_dir}/{match[2]}")
            old = re.sub(fr"!\[.*]\(:storage/{match[1]}/{match[2]}\)", f"![[{match[2]}]]", old)
        except FileNotFoundError as e:
            print(e)
            print(f"Matches {match[0]}")
            copyfile(fr"{orig_image_dir}{match[0]}", f"{boostnote_attachment_base_dir}{match[1]}/{match[2]}")
            continue
    f.seek(0)
    f.write(old)
    f.truncate()