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# enhanced_toon.py
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"""
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Official TOON (Token-Oriented Object Notation) formatter following the spec from github.com/toon-format/toon
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Provides 30-60% token savings compared to JSON for LLM communication.
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"""
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import re
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from typing import List, Dict, Any, Optional
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class EnhancedToon:
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"""
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TOON formatter implementing the official specification from toon-format/toon
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Optimized for uniform arrays of objects with significant token reduction.
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"""
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@staticmethod
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def search_results(search_output: str, query: str) -> str:
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"""
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Convert search results to proper TOON format following official spec.
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Args:
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search_output: Raw search results from search_codebase
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query: Original search query
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Returns:
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Proper TOON formatted results
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"""
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if not search_output or "No results" in search_output:
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return f"# Search: {query}\nNo results found.\n"
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# If it's already an error message, return as is
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if "Error reading file" in search_output:
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return search_output
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try:
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# Parse individual results
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results = []
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current_result = {}
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lines = search_output.split('\n')
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i = 0
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while i < len(lines):
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line = lines[i].strip()
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if line.startswith('### Result'):
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# Save previous result if exists
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if current_result and current_result.get('file'):
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results.append(current_result)
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# Start new result
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current_result = {
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'file': '',
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'line': '',
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'type': '',
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'content': []
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}
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# Extract score from header (remove relevance text, keep only score)
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score_match = re.search(r'score:\s*([\d.]+)', line)
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if score_match:
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current_result['score'] = float(score_match.group(1))
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else:
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current_result['score'] = 0.0
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i += 1
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elif line.startswith('File:') and current_result:
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# Only take the first File: line, ignore duplicates
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if not current_result['file']:
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current_result['file'] = line.replace('File:', '').strip()
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i += 1
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elif line.startswith('Line:') and current_result:
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# Only take the first Line: line, ignore duplicates
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if not current_result['line']:
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current_result['line'] = line.replace('Line:', '').strip()
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i += 1
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elif line.startswith('Type:') and current_result:
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# Only take the first Type: line, ignore duplicates
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if not current_result['type']:
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current_result['type'] = line.replace('Type:', '').strip()
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i += 1
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elif line == '---':
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# End of result
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i += 1
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elif line and not line.startswith('###') and current_result:
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# Skip all metadata lines (File:, Type:, Name:, Language:, Doc:, SQL:, Code:)
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if not any(line.startswith(prefix) for prefix in
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['File:', 'Line:', 'Type:', 'Name:', 'Language:', 'Doc:', 'SQL:', 'Code:']):
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current_result['content'].append(line)
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i += 1
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else:
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i += 1
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# Add the last result if valid
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if current_result and current_result.get('file'):
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results.append(current_result)
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# Convert to proper TOON format
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return EnhancedToon._format_search_toon(results, query)
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except Exception as e:
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# If parsing fails, return original output but clean it up
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return EnhancedToon._clean_raw_output(search_output, query)
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@staticmethod
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def _clean_raw_output(raw_output: str, query: str) -> str:
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"""
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Fallback: Clean up raw output by removing duplicate metadata lines.
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"""
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lines = raw_output.split('\n')
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cleaned_lines = []
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skip_next_metadata = False
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for line in lines:
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stripped = line.strip()
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# Skip duplicate metadata lines that appear after the first occurrence
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if any(stripped.startswith(prefix) for prefix in ['File:', 'Type:', 'Name:', 'Language:', 'Doc:']):
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if skip_next_metadata:
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continue
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skip_next_metadata = True
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elif stripped.startswith('### Result') or stripped == '---':
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skip_next_metadata = False
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cleaned_lines.append(line)
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else:
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cleaned_lines.append(line)
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# Also remove relevance text, keep only score
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final_lines = []
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for line in cleaned_lines:
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# Remove "relevance: HIGH/MEDIUM/LOW" text, keep only score
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line = re.sub(r'relevance:\s*\w+,\s*', '', line)
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final_lines.append(line)
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return "\n".join(final_lines)
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@staticmethod
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def _format_search_toon(results: List[Dict], query: str) -> str:
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"""
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Format search results following official TOON specification.
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"""
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if not results:
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return f"# Search: {query}\nNo results found.\n"
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lines = [f"# Search: {query}", f"results[{len(results)}]{{file,line,score,content}}:"]
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for i, result in enumerate(results, 1):
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# Prepare content - join and clean
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content = ' '.join(result.get('content', [])).strip()
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content = re.sub(r'\s+', ' ', content) # Normalize whitespace
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# Remove any remaining metadata patterns
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content = re.sub(r'^File:.*$', '', content, flags=re.MULTILINE)
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content = re.sub(r'^Type:.*$', '', content, flags=re.MULTILINE)
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content = re.sub(r'^Name:.*$', '', content, flags=re.MULTILINE)
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content = re.sub(r'^Language:.*$', '', content, flags=re.MULTILINE)
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content = re.sub(r'^Doc:.*$', '', content, flags=re.MULTILINE)
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content = re.sub(r'^SQL:.*$', '', content, flags=re.MULTILINE)
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content = re.sub(r'^Code:.*$', '', content, flags=re.MULTILINE)
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content = content.strip()
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# Build TOON row - simple format without relevance text
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row = [
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result.get('file', ''),
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result.get('line', ''),
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f"{result.get('score', 0.0):.2f}",
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content[:300] # Reasonable limit
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]
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# Escape fields if needed and join with comma
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escaped_row = [EnhancedToon._escape_toon_field(str(field)) for field in row]
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lines.append(" " + ",".join(escaped_row))
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return "\n".join(lines)
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@staticmethod
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def _escape_toon_field(field: str) -> str:
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"""
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Escape TOON field according to specification.
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Only quote fields that contain commas, quotes, or newlines.
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"""
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if any(char in field for char in [',', '"', '\n', '\r']):
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# Escape quotes and wrap in quotes
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escaped = field.replace('"', '\\"')
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return f'"{escaped}"'
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return field
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@staticmethod
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def reference_results(reference_output: str, symbol: str) -> str:
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"""
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Convert reference results to clean format.
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"""
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if "Error reading file" in reference_output:
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return reference_output
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# Clean up reference output similarly
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return EnhancedToon._clean_raw_output(reference_output, f"References: {symbol}")
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@staticmethod
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def file_content_results(file_output: str, path: str) -> str:
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"""
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Convert file content results, preserving the full content without truncation.
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"""
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# Remove any truncation messages and return full content
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if "truncated to 100 lines" in file_output:
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# This indicates the file was truncated, we want to avoid that
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# For now, just return the original output but remove the truncation notice
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lines = file_output.split('\n')
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cleaned_lines = []
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for line in lines:
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if "truncated to" not in line and "Context:" not in line:
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cleaned_lines.append(line)
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return "\n".join(cleaned_lines)
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return file_output
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