createhtml.py

import os
from pathlib import Path

newlistjpeg = []
htmlstring2 = ""

path = input('Enter path of images folder to create html\n')
parentpath = Path(path).parent

listjpeg = [os.path.join(path, f) for f in os.listdir(path) if f.lower().endswith(('.jpg', '.jpeg'))]
htmlstring1 = f'''
<!DOCTYPE html>
<html>
<head>
	<title>My Images</title>
</head>
<body>
	<div id="my-images">'''

for img in listjpeg:
	img = img.replace("\\", "/")
	img = "%20".join(img.split())
	newlistjpeg.append(img)

listlength = len(newlistjpeg)

for i in range(0, listlength):
	htmlstring2 += f'''
		<img src="file://{newlistjpeg[i]}" />'''

htmlstring3 = f'''
	</div>
</body>
</html>'''

fullhtml = htmlstring1 + htmlstring2 + htmlstring3

with open(os.path.join(parentpath, "index.html"), "w", encoding='utf8') as writefile:
	writefile.write(fullhtml)