Logseq find unused assets & find missing assets

delete_unused_assets.py

import os
import shutil


assets_dir = './assets'
journal_dir = './journals'
pages_dir = './pages'
to_delete_dir = './to_delete'

def get_all_assets() -> list[str]:
    if not os.path.exists(to_delete_dir):
        os.makedirs(to_delete_dir)

    assets_files = os.listdir(assets_dir)
    return assets_files


if __name__=='__main__':
    assets_files = get_all_assets()
    referenced_files = []


    for dirname in [journal_dir, pages_dir]:
        for filename in os.listdir(dirname):
            if filename.endswith('.md'):
                with open(os.path.join(dirname, filename)) as f:
                    for line in f:
                        for asset in assets_files:
                            if asset in line:
                                referenced_files.append(asset)



    for asset in assets_files:
        if asset not in referenced_files and not asset.endswith(".edn"):
            print("assets/"+asset)
            shutil.move(os.path.join(assets_dir, asset), to_delete_dir)

find_missing_images.py

import os
import re

from delete_unused_assets import get_all_assets


def get_all_referenced_image_filenames() -> list[tuple[str, str]]:
    current_dir = os.getcwd()

    journals_dir = os.path.join(current_dir, 'journals')
    pages_dir = os.path.join(current_dir, 'pages')

    journals_files = ['journals/'+f for f in os.listdir(journals_dir) if f.endswith('.md')]
    pages_files = ['pages/'+f for f in os.listdir(pages_dir) if f.endswith('.md')]
    all_files = journals_files + pages_files

    image_references = []

    for filename in all_files:
        with open(filename, 'r') as f:
            file_contents = f.read()
        

        for item in re.findall(r'!\[\]\((.+?)\)', file_contents):
            image_references.append((filename, item))
    image_references = [(item[0], item[1][10:]) for item in image_references if item[1].startswith("../")]
    return image_references


if __name__=='__main__':
    all_referenced = get_all_referenced_image_filenames()
    all_assets = get_all_assets()
    for md_filename, image_filename in all_referenced:
        if image_filename not in all_assets:
            print(f"Image {image_filename} in {md_filename} missing")