Research-Stack/4-Infrastructure/NoDupeLabs/nodupe/tools/commands/similarity.py

236 lines
8.7 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# Copyright (c) 2025 Allaun
"""Similarity tool for NoDupeLabs.
This tool provides the similarity search functionality as a tool that can be
loaded by the core system. It demonstrates how to convert existing
modules to tools.
Key Features:
- Similarity search
- Multiple metrics
- Result formatting
- Tool integration
Dependencies:
- Core modules
"""
from nodupe.core.tool_system.base import Tool
import argparse
from typing import Any, Dict
# Tool manager is injected by the core system
PM: Any = None
class SimilarityCommandTool(Tool):
"""Similarity command tool implementation."""
name = "similarity_command"
version = "1.0.0"
dependencies = ["similarity_backend"]
def __init__(self):
"""Initialize similarity tool."""
self.description = "Find similar files using various metrics"
# Hook registration moved to initialize
def initialize(self, container: Any) -> None:
"""Initialize the tool."""
# Retrieve PM from container if available
def shutdown(self) -> None:
"""Shutdown the tool."""
def get_capabilities(self) -> Dict[str, Any]:
"""Get tool capabilities."""
return {'commands': ['similarity']}
@property
def api_methods(self) -> Dict[str, Any]:
"""Dictionary of methods exposed via programmatic API."""
return {
'find_similar': self.execute_similarity,
'get_metrics': lambda: ['name', 'size', 'hash', 'content', 'vector'],
}
def run_standalone(self, args: list[str]) -> int:
"""Execute the tool in stand-alone mode."""
parser = argparse.ArgumentParser(description='Find similar files')
parser.add_argument('--metric', choices=['name', 'size', 'hash', 'content', 'vector'],
default='name', help='Similarity metric')
parser.add_argument('--threshold', type=float, default=0.8, help='Similarity threshold')
parser.add_argument('--limit', type=int, default=10, help='Maximum results per file')
parsed = parser.parse_args(args)
return self.execute_similarity(parsed)
def describe_usage(self) -> str:
"""Return human-readable usage description."""
return "Similarity tool: Finds files that are similar based on name, size, hash, content, or vector embeddings. Use --metric to choose the similarity metric."
def _on_similarity_start(self, **kwargs: Any) -> None:
"""Handle similarity start event."""
print(f"[TOOL] Similarity search started: {kwargs.get('metric', 'unknown')}")
def _on_similarity_complete(self, **kwargs: Any) -> None:
"""Handle similarity complete event."""
print(
f"[TOOL] Similarity search completed: {kwargs.get('pairs_found', 0)} similar pairs found")
def register_commands(self, subparsers: Any) -> None:
"""Register similarity command with argument parser."""
similarity_parser = subparsers.add_parser(
'similarity', help='Find similar files')
similarity_parser.add_argument(
'--metric',
choices=['name', 'size', 'hash', 'content', 'vector'],
default='name',
help='Similarity metric'
)
similarity_parser.add_argument(
'--threshold',
type=float,
default=0.8,
help='Similarity threshold'
)
similarity_parser.add_argument(
'--limit',
type=int,
default=10,
help='Maximum results per file'
)
similarity_parser.add_argument(
'--output',
choices=['text', 'json', 'csv'],
default='text',
help='Output format'
)
similarity_parser.set_defaults(func=self.execute_similarity)
def execute_similarity(self, args: argparse.Namespace) -> int:
"""Execute similarity command."""
try:
# Validation
# Check if query_file is provided (for compatibility with tests)
if hasattr(args, 'query_file') and args.query_file is None:
print("[ERROR] Query file is required")
return 1
# Validate threshold is in range 0.0-1.0
if hasattr(args, 'threshold'):
if args.threshold < 0.0 or args.threshold > 1.0:
print(f"[ERROR] Threshold must be between 0.0 and 1.0, got {args.threshold}")
return 1
# Validate k/limit is positive integer
if hasattr(args, 'k'):
if args.k <= 0:
print(f"[ERROR] k must be a positive integer, got {args.k}")
return 1
elif hasattr(args, 'limit'):
if args.limit <= 0:
print(f"[ERROR] limit must be a positive integer, got {args.limit}")
return 1
# Validate metric is one of the allowed choices
valid_metrics = ['name', 'size', 'hash', 'content', 'vector']
if args.metric not in valid_metrics:
print(f"[ERROR] Invalid metric: {args.metric}. Must be one of: {', '.join(valid_metrics)}")
return 1
print(f"[TOOL] Executing similarity command: {args.metric} metric")
# 1. Get services
container = getattr(args, 'container', None)
if not container:
# Fallback to global if arg injection fail
from nodupe.core.container import container as global_container
container = global_container
db = container.get_service('database')
if not db:
print("[ERROR] Database service not available (required for file access)")
# Attempt default connection?
from nodupe.tools.databases.connection import DatabaseConnection
db = DatabaseConnection.get_instance()
# Import needed classes locally to avoid circular top-level imports if any
from nodupe.tools.databases.files import FileRepository
repo = FileRepository(db)
files = repo.get_all_files()
if not files:
print("[TOOL] No files in database to analyze.")
return 0
print(f"[TOOL] Analyzing {len(files)} files using metric: {args.metric}")
pairs_found = 0
if args.metric in ['hash', 'size', 'name']:
# Use in-memory grouping for exact matches
field_map = {'hash': 'hash', 'size': 'size', 'name': 'name'}
field = field_map.get(args.metric)
# Grouping
groups = {}
for f in files:
val = f.get(field)
if not val:
continue
if val not in groups:
groups[val] = []
groups[val].append(f)
# Detect
for val, group in groups.items():
if len(group) > 1:
# Found duplicates
pairs_found += len(group) - 1
# Sort by path length (shorter is "original" usually, or random)
group.sort(key=lambda x: len(x['path']))
# Or sort by time? group.sort(key=lambda x: x['created_time'])
# Let's keep it simple: first found (id) or shortest path is original.
original = group[0]
duplicates = group[1:]
# Update DB
for dup in duplicates:
repo.mark_as_duplicate(dup['id'], original['id'])
if hasattr(args, 'verbose') and args.verbose:
print(f" [DUP] {dup['path']} == {original['path']}")
elif args.metric == 'vector':
print("[TOOL] Vector similarity search not yet implemented (requires embedding generation)")
# Future: Use SimilarityManager here
print(f"[TOOL] Analysis complete.")
print(f"[TOOL] Marked {pairs_found} files as duplicates.")
self._on_similarity_complete(pairs_found=pairs_found)
return 0
except Exception as e:
print(f"[TOOL ERROR] Similarity search failed: {e}")
if hasattr(args, 'verbose') and args.verbose:
import traceback
traceback.print_exc()
return 1
# Create tool instance when module is loaded
similarity_tool = SimilarityCommandTool()
def register_tool():
"""Register tool with core system."""
return similarity_tool
# Export tool interface
__all__ = ['similarity_tool', 'register_tool']