experiments in a post-browser web
chore: remove dead code removal script
-135
-135
scripts/remove-dead-code.py
-135
scripts/remove-dead-code.py
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#!/usr/bin/env python3
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"""Remove dead code from lib.rs that has been moved to peek-core."""
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import sys
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LIB_RS = 'backend/tauri-mobile/src-tauri/src/lib.rs'
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with open(LIB_RS, 'r') as f:
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lines = f.readlines()
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def find_line(text, start_from=0):
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"""Find first line containing exact text."""
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for i in range(start_from, len(lines)):
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if text in lines[i]:
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return i
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return None
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def find_fn_end(start_line):
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"""Find the closing brace of a function starting at start_line."""
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depth = 0
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for i in range(start_line, len(lines)):
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depth += lines[i].count('{') - lines[i].count('}')
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if depth == 0 and '{' in ''.join(lines[start_line:i+1]):
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return i
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return None
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removals = []
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# 1. Remove ensure_database_initialized() — ~770 lines
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start = find_line('fn ensure_database_initialized() -> Result<(), String> {')
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if start is not None:
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end = find_fn_end(start)
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if end is not None:
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# Also remove the comment line before it
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comment_start = start
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while comment_start > 0 and lines[comment_start - 1].strip().startswith('//'):
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comment_start -= 1
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# Include blank line after
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end_with_blank = end + 1
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while end_with_blank < len(lines) and lines[end_with_blank].strip() == '':
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end_with_blank += 1
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removals.append((comment_start, end_with_blank,
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'// ensure_database_initialized() moved to peek-core::schema\n\n'))
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print(f'ensure_database_initialized: lines {comment_start+1}-{end_with_blank}')
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# 2. Remove parse_iso_datetime, unix_ms_to_iso, unix_ms_to_datetime
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for fn_name in ['parse_iso_datetime', 'unix_ms_to_iso', 'unix_ms_to_datetime']:
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start = find_line(f'fn {fn_name}(')
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if start is not None:
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end = find_fn_end(start)
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if end is not None:
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# Include comment before
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comment_start = start
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while comment_start > 0 and lines[comment_start - 1].strip().startswith('//'):
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comment_start -= 1
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end_with_blank = end + 1
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while end_with_blank < len(lines) and lines[end_with_blank].strip() == '':
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end_with_blank += 1
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removals.append((comment_start, end_with_blank, ''))
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print(f'{fn_name}: lines {comment_start+1}-{end_with_blank}')
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# 3. Remove check_response_version_headers (still used - skip if referenced elsewhere)
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# Actually this is still used in pull_from_server, keep it.
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# 4. Remove get_items_to_push (standalone fn)
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start = find_line('fn get_items_to_push(conn: &Connection)')
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if start is not None:
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end = find_fn_end(start)
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if end is not None:
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comment_start = start
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while comment_start > 0 and lines[comment_start - 1].strip().startswith('//'):
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comment_start -= 1
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end_with_blank = end + 1
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while end_with_blank < len(lines) and lines[end_with_blank].strip() == '':
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end_with_blank += 1
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removals.append((comment_start, end_with_blank, ''))
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print(f'get_items_to_push: lines {comment_start+1}-{end_with_blank}')
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# 5. Remove get_item_tags (standalone fn, NOT the test helper)
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start = find_line('fn get_item_tags(conn: &Connection, item_id: &str) -> Result<Vec<String>, String>')
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if start is not None:
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end = find_fn_end(start)
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if end is not None:
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comment_start = start
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while comment_start > 0 and lines[comment_start - 1].strip().startswith('//'):
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comment_start -= 1
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end_with_blank = end + 1
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while end_with_blank < len(lines) and lines[end_with_blank].strip() == '':
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end_with_blank += 1
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removals.append((comment_start, end_with_blank, ''))
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print(f'get_item_tags: lines {comment_start+1}-{end_with_blank}')
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# 6. Remove merge_server_item
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start = find_line('fn merge_server_item(conn: &Connection, server_item: &ServerItem)')
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if start is not None:
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end = find_fn_end(start)
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if end is not None:
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comment_start = start
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while comment_start > 0 and lines[comment_start - 1].strip().startswith('//'):
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comment_start -= 1
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end_with_blank = end + 1
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while end_with_blank < len(lines) and lines[end_with_blank].strip() == '':
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end_with_blank += 1
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removals.append((comment_start, end_with_blank, ''))
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print(f'merge_server_item: lines {comment_start+1}-{end_with_blank}')
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# 7. Remove update_item_tags_from_server
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start = find_line('fn update_item_tags_from_server(conn: &Connection, item_id: &str, tag_names: &[String])')
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if start is not None:
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end = find_fn_end(start)
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if end is not None:
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comment_start = start
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while comment_start > 0 and lines[comment_start - 1].strip().startswith('//'):
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comment_start -= 1
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end_with_blank = end + 1
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while end_with_blank < len(lines) and lines[end_with_blank].strip() == '':
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end_with_blank += 1
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removals.append((comment_start, end_with_blank, ''))
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print(f'update_item_tags_from_server: lines {comment_start+1}-{end_with_blank}')
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if not removals:
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print('No functions found to remove!')
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sys.exit(1)
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# Sort removals in reverse order so line numbers stay valid
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removals.sort(key=lambda x: x[0], reverse=True)
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for start, end, replacement in removals:
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lines[start:end] = [replacement] if replacement else []
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with open(LIB_RS, 'w') as f:
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f.writelines(lines)
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total_removed = sum(end - start for start, end, _ in removals)
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print(f'\nTotal: removed {total_removed} lines from lib.rs')