Files
ComfyUI-Lora-Manager/py/services/model_hash_index.py
2025-04-10 09:08:51 +08:00

78 lines
2.7 KiB
Python

from typing import Dict, Optional, Set
class ModelHashIndex:
"""Index for looking up models by hash or path"""
def __init__(self):
self._hash_to_path: Dict[str, str] = {}
self._path_to_hash: Dict[str, str] = {}
def add_entry(self, sha256: str, file_path: str) -> None:
"""Add or update hash index entry"""
if not sha256 or not file_path:
return
# Ensure hash is lowercase for consistency
sha256 = sha256.lower()
# Remove old path mapping if hash exists
if sha256 in self._hash_to_path:
old_path = self._hash_to_path[sha256]
if old_path in self._path_to_hash:
del self._path_to_hash[old_path]
# Remove old hash mapping if path exists
if file_path in self._path_to_hash:
old_hash = self._path_to_hash[file_path]
if old_hash in self._hash_to_path:
del self._hash_to_path[old_hash]
# Add new mappings
self._hash_to_path[sha256] = file_path
self._path_to_hash[file_path] = sha256
def remove_by_path(self, file_path: str) -> None:
"""Remove entry by file path"""
if file_path in self._path_to_hash:
hash_val = self._path_to_hash[file_path]
if hash_val in self._hash_to_path:
del self._hash_to_path[hash_val]
del self._path_to_hash[file_path]
def remove_by_hash(self, sha256: str) -> None:
"""Remove entry by hash"""
sha256 = sha256.lower()
if sha256 in self._hash_to_path:
path = self._hash_to_path[sha256]
if path in self._path_to_hash:
del self._path_to_hash[path]
del self._hash_to_path[sha256]
def has_hash(self, sha256: str) -> bool:
"""Check if hash exists in index"""
return sha256.lower() in self._hash_to_path
def get_path(self, sha256: str) -> Optional[str]:
"""Get file path for a hash"""
return self._hash_to_path.get(sha256.lower())
def get_hash(self, file_path: str) -> Optional[str]:
"""Get hash for a file path"""
return self._path_to_hash.get(file_path)
def clear(self) -> None:
"""Clear all entries"""
self._hash_to_path.clear()
self._path_to_hash.clear()
def get_all_hashes(self) -> Set[str]:
"""Get all hashes in the index"""
return set(self._hash_to_path.keys())
def get_all_paths(self) -> Set[str]:
"""Get all file paths in the index"""
return set(self._path_to_hash.keys())
def __len__(self) -> int:
"""Get number of entries"""
return len(self._hash_to_path)