96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
"""
|
|
Cache utilities for SageUtils.
|
|
Handles persistent storage and retrieval of model metadata, hashes, and info.
|
|
"""
|
|
|
|
import os
|
|
import json
|
|
import pathlib
|
|
|
|
import folder_paths
|
|
|
|
users_path = pathlib.Path(folder_paths.get_user_directory())
|
|
sage_users_path = users_path / "default" / "SageUtils"
|
|
os.makedirs(str(sage_users_path), exist_ok=True)
|
|
|
|
|
|
class SageCache:
|
|
"""
|
|
Persistent cache for model metadata, hashes, and info.
|
|
"""
|
|
|
|
def __init__(self):
|
|
if not (sage_users_path / "sage_cache.json").is_file():
|
|
print("No cache file found in user directory.")
|
|
|
|
self.main_path = sage_users_path / "sage_cache.json"
|
|
self.info_path = sage_users_path / "sage_cache_info.json"
|
|
self.hash_path = sage_users_path / "sage_cache_hash.json"
|
|
self.data = {}
|
|
self.hash = {}
|
|
self.info = {}
|
|
|
|
def by_path(self, file_path: str) -> dict:
|
|
"""Get cache info by file path."""
|
|
the_hash = self.hash.get(file_path, "")
|
|
if the_hash:
|
|
return self.info.get(the_hash, {})
|
|
print(f"No hash found for file: {file_path}")
|
|
return {}
|
|
|
|
def by_hash(self, file_hash: str) -> dict:
|
|
"""Get cache info by file hash."""
|
|
return self.info.get(file_hash, {})
|
|
|
|
def convert_old_cache(self):
|
|
"""Convert old cache format to new format, splitting into hash and info."""
|
|
print("Converting old cache format to new format.")
|
|
for key in self.data:
|
|
current_hash = self.data[key].get("hash", "")
|
|
if current_hash:
|
|
self.hash[key] = current_hash
|
|
# Add the ones not on civitai first
|
|
if self.data[key].get("civitai", False) == False:
|
|
self.info[current_hash] = self.data[key]
|
|
for key in self.data:
|
|
current_hash = self.data[key].get("hash", "")
|
|
# Add the ones on civitai, overwriting the previous ones
|
|
if current_hash and self.data[key].get("civitai", False):
|
|
self.info[current_hash] = self.data[key]
|
|
|
|
def load(self):
|
|
"""Load cache from disk, converting old format if needed."""
|
|
try:
|
|
if self.hash_path.is_file() and self.info_path.is_file():
|
|
with self.hash_path.open("r") as read_file:
|
|
self.hash = json.load(read_file)
|
|
with self.info_path.open("r") as read_file:
|
|
self.info = json.load(read_file)
|
|
else:
|
|
if self.main_path.is_file():
|
|
with self.main_path.open("r") as read_file:
|
|
self.data = json.load(read_file)
|
|
self.convert_old_cache()
|
|
except Exception as e:
|
|
print(f"Unable to load cache: {e}")
|
|
|
|
def save(self):
|
|
"""Save cache to disk."""
|
|
def _save_json(path, data, label):
|
|
try:
|
|
with path.open("w") as output_file:
|
|
json.dump(data, output_file, separators=(",", ":"), sort_keys=True, indent=4)
|
|
except Exception as e:
|
|
print(f"Unable to save {label} to {path}: {e}")
|
|
|
|
if self.data:
|
|
_save_json(self.main_path, self.data, "main cache")
|
|
if self.hash:
|
|
_save_json(self.hash_path, self.hash, "hash cache")
|
|
if self.info:
|
|
_save_json(self.info_path, self.info, "info cache")
|
|
|
|
|
|
# Global cache instance
|
|
cache = SageCache()
|