import re
from pathlib import Path
p = Path(r'c:\Forgejo\Medios-Macina\CLI.py')
s = p.read_text(encoding='utf-8')
pattern = re.compile(r'(?s)if False:\s*class _OldPipelineExecutor:.*?from rich\\.markdown import Markdown\\s*')
m = pattern.search(s)
print('found', bool(m))
if m:
    print('start', m.start(), 'end', m.end())
    print('snippet:', s[m.start():m.start()+120])
else:
    # print a slice around the if False for debugging
    i = s.find('if False:')
    print('if False index', i)
    print('around if False:', s[max(0,i-50):i+200])
    j = s.find('from rich.markdown import Markdown', i)
    print('next from rich index after if False', j)
    if j!=-1:
        print('around that:', s[j-50:j+80])