import os

html_path = 'e:/Deepfake/deepfake_detector/templates/index.html'
with open(html_path, 'r', encoding='utf-8') as f:
    content = f.read()

# Find 'm=' again to get context for 'a'
m_idx = content.find('m=H.useCallback(')
if m_idx != -1:
    # Search backwards for "a=" or for where "a" is defined in the destructuring
    # Usually it's something like [l, a] = H.useState(null)
    search_area = content[max(0, m_idx - 5000):m_idx]
    print(f"Searching for 'a' definition before index {m_idx}")
    print(f"Context before m: {search_area[-500:]}")
else:
    print("m= not found")