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"""Download datasets and embeddings from Google Drive on startup"""
import os
import shutil
import subprocess
import sys
from pathlib import Path
# Google Drive folder ID (extracted from the share link)
GDRIVE_FOLDER_ID = "1tvoY4Ks3elgRgC81uRsZRDhDcclmu5hO"
def install_gdown():
"""Install gdown if not present"""
try:
import gdown
except ImportError:
print("Installing gdown...")
subprocess.check_call([sys.executable, "-m", "pip", "install", "gdown", "-q"])
import gdown
return gdown
def download_folder_from_gdrive(folder_id: str, output_dir: str):
"""Download entire folder from GDrive"""
gdown = install_gdown()
output_path = Path(output_dir)
output_path.mkdir(parents=True, exist_ok=True)
print(f"Downloading from GDrive folder {folder_id} to {output_dir}...")
try:
url = f"https://drive.google.com/drive/folders/{folder_id}"
gdown.download_folder(url, output=output_dir, quiet=False, remaining_ok=True)
print(f"Download complete: {output_dir}")
return True
except Exception as e:
print(f"Error downloading: {e}")
import traceback
traceback.print_exc()
return False
def organize_downloaded_files(download_dir: Path, backend_dir: Path):
"""Move downloaded files to correct locations"""
print(f"\n{'='*50}")
print("ORGANIZING DOWNLOADED FILES")
print(f"{'='*50}")
print(f"Source: {download_dir}")
print(f"Destination: {backend_dir}")
if not download_dir.exists():
print(f"ERROR: Download directory {download_dir} does not exist!")
return False
# List all downloaded items
items = list(download_dir.iterdir())
print(f"Found {len(items)} items in download folder:")
for item in items:
print(f"\n Processing: {item.name} (is_dir={item.is_dir()})")
try:
# Move CSV files to dataset folder
if item.suffix.lower() == '.csv':
dataset_dir = backend_dir / "dataset"
dataset_dir.mkdir(parents=True, exist_ok=True)
dest = dataset_dir / item.name
print(f" Moving CSV to {dest}")
shutil.move(str(item), str(dest))
print(f" ✓ Moved successfully")
# Move chroma_db folder
elif item.name == 'chroma_db' and item.is_dir():
dest = backend_dir / "chroma_db"
if dest.exists():
print(f" Removing existing {dest}")
shutil.rmtree(dest)
print(f" Moving chroma_db to {dest}")
shutil.move(str(item), str(dest))
print(f" ✓ Moved successfully")
# Move manga_chroma_db folder
elif item.name == 'manga_chroma_db' and item.is_dir():
dest = backend_dir / "manga_chroma_db"
if dest.exists():
print(f" Removing existing {dest}")
shutil.rmtree(dest)
print(f" Moving manga_chroma_db to {dest}")
shutil.move(str(item), str(dest))
print(f" ✓ Moved successfully")
# Handle nested directories (GDrive sometimes creates nested folders)
elif item.is_dir():
print(f" Recursively processing subdirectory: {item.name}")
organize_downloaded_files(item, backend_dir)
except Exception as e:
print(f" ERROR moving {item.name}: {e}")
import traceback
traceback.print_exc()
return True
def verify_data(backend_dir: Path):
"""Verify all required data files exist"""
print(f"\n{'='*50}")
print("VERIFYING DATA FILES")
print(f"{'='*50}")
dataset_path = backend_dir / "dataset" / "anime.csv"
chroma_path = backend_dir / "chroma_db"
manga_chroma_path = backend_dir / "manga_chroma_db"
print(f"Dataset (anime.csv): {dataset_path.exists()} - {dataset_path}")
print(f"ChromaDB: {chroma_path.exists()} - {chroma_path}")
print(f"Manga ChromaDB: {manga_chroma_path.exists()} - {manga_chroma_path}")
if chroma_path.exists():
print(f" ChromaDB contents: {list(chroma_path.iterdir())}")
if manga_chroma_path.exists():
print(f" Manga ChromaDB contents: {list(manga_chroma_path.iterdir())}")
return dataset_path.exists() and chroma_path.exists()
def setup_data():
"""Download all required data files"""
backend_dir = Path(__file__).parent
print(f"\n{'='*50}")
print("ANIVERSE DATA SETUP")
print(f"{'='*50}")
print(f"Backend directory: {backend_dir}")
# Check if data already exists
dataset_dir = backend_dir / "dataset"
chroma_dir = backend_dir / "chroma_db"
dataset_exists = (dataset_dir / "anime.csv").exists()
chroma_exists = chroma_dir.exists() and any(chroma_dir.iterdir()) if chroma_dir.exists() else False
print(f"Dataset exists: {dataset_exists}")
print(f"ChromaDB exists: {chroma_exists}")
if dataset_exists and chroma_exists:
print("All data files present, skipping download.")
verify_data(backend_dir)
return True
# Download from GDrive
print(f"\n{'='*50}")
print("DOWNLOADING DATA FROM GOOGLE DRIVE")
print(f"{'='*50}")
download_dir = backend_dir / "data_download"
success = download_folder_from_gdrive(GDRIVE_FOLDER_ID, str(download_dir))
if success:
organize_downloaded_files(download_dir, backend_dir)
# Cleanup download folder
if download_dir.exists():
print(f"\nCleaning up download folder: {download_dir}")
try:
shutil.rmtree(download_dir)
print("✓ Cleanup complete")
except Exception as e:
print(f"Warning: Could not cleanup: {e}")
# Verify the data
verify_data(backend_dir)
else:
print("\n" + "!"*50)
print("WARNING: Failed to download data from GDrive!")
print("The server may not function correctly without data files.")
print("!"*50)
return success
if __name__ == "__main__":
setup_data()
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