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774fe36 4f967ca 774fe36 4f967ca 774fe36 4f967ca 774fe36 4f967ca 774fe36 4f967ca 774fe36 4f967ca | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 | """
Cloud storage: save images to local remote_images/ and sync with HuggingFace dataset.
"""
import base64
import json
import os
import threading
from datetime import datetime
from pathlib import Path
from typing import Optional
from huggingface_hub import HfApi, snapshot_download
DATA_DIR = Path("remote_images")
INDEX_FILE = DATA_DIR / ".search_index.json"
class CloudStorage:
def __init__(self):
self.repo_id = os.environ.get("HF_DATASET_REPO", "")
self.repo_type = "dataset"
self.api = HfApi(token=os.environ.get("HF_TOKEN", ""))
self._counter_date = "" # current date string
self._counter_value = 0 # current day's count
self._lock = threading.Lock()
DATA_DIR.mkdir(parents=True, exist_ok=True)
self._init_counter()
self._search_index = {} # path -> search_text
self._load_search_index()
def safe_path(self, rel_path):
path = Path(rel_path)
if path.is_absolute() or len(path.parts) != 2 or ".." in path.parts or path.suffix != ".png":
raise ValueError("Invalid image path")
target = (DATA_DIR / path).resolve()
if not target.is_relative_to(DATA_DIR.resolve()):
raise ValueError("Invalid image path")
return target
def download_user_data(self, destination):
from huggingface_hub import hf_hub_download
from huggingface_hub.utils import EntryNotFoundError
import shutil
try:
source = hf_hub_download(self.repo_id, "private/users.dat", repo_type="dataset", token=os.getenv("HF_TOKEN"))
except EntryNotFoundError:
return
shutil.copyfile(source, destination)
def upload_user_data(self, content):
self.api.upload_file(path_or_fileobj=content, path_in_repo="private/users.dat", repo_id=self.repo_id, repo_type="dataset")
def _init_counter(self):
"""Initialize counter from existing files for today."""
today = datetime.now().strftime("%Y-%m-%d")
self._counter_date = today
self._counter_value = self._count_files_for_date(today)
def _count_files_for_date(self, date_str: str) -> int:
"""Count existing PNG files for a given date, return max index."""
date_dir = DATA_DIR / date_str
if not date_dir.exists():
return 0
max_idx = 0
for f in date_dir.glob("*.png"):
try:
idx = int(f.stem.split('-')[0])
max_idx = max(max_idx, idx)
except (ValueError, IndexError):
pass
return max_idx
def _next_index(self, date_str: str) -> int:
with self._lock:
if date_str != self._counter_date:
# Date changed (past midnight): reset counter
self._counter_date = date_str
self._counter_value = self._count_files_for_date(date_str)
self._counter_value += 1
return self._counter_value
def save_image(self, image_b64: str, seed: int) -> Optional[str]:
"""Save image locally and return relative path."""
if not image_b64:
return None
date_str = datetime.now().strftime("%Y-%m-%d")
date_dir = DATA_DIR / date_str
date_dir.mkdir(parents=True, exist_ok=True)
index = self._next_index(date_str)
filename = f"{index:05d}-{seed}.png"
filepath = date_dir / filename
image_bytes = base64.b64decode(image_b64)
with open(filepath, 'wb') as f:
f.write(image_bytes)
rel_path = f"{date_str}/{filename}"
return rel_path
def upload_file(self, rel_path: str):
"""Upload a single file to HuggingFace."""
if not self.repo_id:
return
local_path = self.safe_path(rel_path)
if not local_path.exists():
return
try:
self.api.upload_file(
path_or_fileobj=str(local_path),
path_in_repo=rel_path,
repo_id=self.repo_id,
repo_type=self.repo_type,
)
except Exception as e:
print(f"[CloudStorage] Upload failed for {rel_path}: {e}")
return False
return True
def delete_file(self, rel_path: str):
"""Delete a file from HuggingFace and locally."""
# Delete local
local_path = self.safe_path(rel_path)
if local_path.exists():
local_path.unlink()
# Remove search index entry
self.remove_search_entry(rel_path)
# Delete remote
if not self.repo_id:
return
try:
self.api.delete_file(
path_in_repo=rel_path,
repo_id=self.repo_id,
repo_type=self.repo_type,
)
except Exception as e:
print(f"[CloudStorage] Remote delete failed for {rel_path}: {e}")
def sync_download(self):
"""Download snapshot from HuggingFace to local."""
if not self.repo_id:
return
try:
snapshot_download(
repo_id=self.repo_id,
repo_type=self.repo_type,
local_dir=DATA_DIR,
token=os.environ.get("HF_TOKEN", "")
)
# Reinitialize counter from synced files
self._init_counter()
self.build_search_index_from_files()
except Exception as e:
print(f"[CloudStorage] Sync download failed: {e}")
def _load_search_index(self):
if INDEX_FILE.exists():
try:
with open(INDEX_FILE) as f:
self._search_index = json.load(f)
except Exception:
self._search_index = {}
def _save_search_index(self):
try:
with open(INDEX_FILE, 'w') as f:
json.dump(self._search_index, f)
except Exception as e:
print(f"[CloudStorage] Failed to save search index: {e}")
def set_search_text(self, rel_path: str, search_text: str):
"""Store search text for an image path."""
self._search_index[rel_path] = search_text.lower()
self._save_search_index()
def get_search_text(self, rel_path: str) -> str:
return self._search_index.get(rel_path, "")
def search_images(self, query: str, date_filter: str = "") -> list:
"""Search images by query against stored search text."""
all_images = self.list_images(date_filter)
if not query.strip():
return all_images
terms = query.strip().lower().split()
results = []
for img in all_images:
text = self._search_index.get(img["path"], "")
if all(t in text for t in terms):
results.append(img)
return results
def remove_search_entry(self, rel_path: str):
"""Remove search index entry for a path."""
self._search_index.pop(rel_path, None)
self._save_search_index()
def build_search_index_from_files(self):
"""Rebuild search index by reading PNG info from all files."""
from PIL import Image as PILImage
for date_dir in DATA_DIR.iterdir():
if not date_dir.is_dir() or date_dir.name.startswith('.'):
continue
for f in date_dir.glob("*.png"):
rel_path = f"{date_dir.name}/{f.name}"
if rel_path in self._search_index:
continue
try:
img = PILImage.open(f)
parts = []
if hasattr(img, 'text'):
for k, v in img.text.items():
parts.append(v)
self._search_index[rel_path] = " ".join(parts).lower()
except Exception:
pass
self._save_search_index()
def list_images(self, date_filter: str = "") -> list:
"""List all images, optionally filtered by date prefix."""
results = []
for date_dir in sorted(DATA_DIR.iterdir(), reverse=True):
if not date_dir.is_dir() or date_dir.name.startswith('.'):
continue
if date_filter and date_filter not in date_dir.name:
continue
for f in sorted(date_dir.glob("*.png"), reverse=True):
rel_path = f"{date_dir.name}/{f.name}"
results.append({
"path": rel_path,
"name": f.name,
"date": date_dir.name,
"size": f.stat().st_size,
"mtime": f.stat().st_mtime,
})
return results
def get_image_b64(self, rel_path: str) -> Optional[str]:
"""Get base64 of an image by relative path."""
local_path = self.safe_path(rel_path)
if not local_path.exists():
return None
with open(local_path, 'rb') as f:
return base64.b64encode(f.read()).decode()
def list_dates(self) -> list:
"""List all date folders."""
dates = []
for d in sorted(DATA_DIR.iterdir(), reverse=True):
if d.is_dir() and not d.name.startswith('.'):
count = len(list(d.glob("*.png")))
if count > 0:
dates.append({"date": d.name, "count": count})
return dates
cloud_storage = CloudStorage()
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