exif-database/exif_database/__main__.py

86 lines
2.1 KiB
Python

import hashlib
import json
import os
import subprocess
import sys
from pathlib import Path
from platformdirs import user_data_dir
from pymongo import MongoClient
def _execute_exiftool(img_file: str) -> dict:
res = subprocess.run(
['exiftool', img_file],
capture_output=True,
text=True,
)
exif_metadata = {}
for line in res.stdout.splitlines():
parts = line.split(':', 1)
exif_metadata[parts[0].strip().lower().replace(' ', '_')] = parts[1].strip()
return exif_metadata
def _load_pictures_cache() -> dict:
file_path = _get_make_pictures_cache_path()
try:
with open(file_path, 'r') as f:
return json.load(f)
except FileNotFoundError:
return {}
def _save_pictures_cache(pictures: dict):
file_path = _get_make_pictures_cache_path()
with open(file_path, 'w') as f:
json.dump(pictures, f)
def _get_make_pictures_cache_path():
data_dir = user_data_dir('exif-database', 'creekorful')
Path(data_dir).mkdir(parents=True, exist_ok=True)
return os.path.join(data_dir, 'exif-database.json')
if __name__ == '__main__':
# Authenticate against MongoDB server
mongo = MongoClient(os.environ['MONGO_URI'])
database = mongo.exif_database
collection = database.pictures
metadata_pictures = []
# Load saved pictures cache
saved_pictures = _load_pictures_cache()
for file in Path(sys.argv[1]).rglob("*.ARW"):
filename = os.fsdecode(file)
if filename in saved_pictures:
print(f'Skipping {filename}')
continue
print(f'Uploading {filename}')
picture_metadata = _execute_exiftool(filename)
metadata_pictures.append(picture_metadata)
# Append MongoDB identifier
picture_metadata['_id'] = hashlib.sha1(filename.lower().encode('utf-8')).hexdigest()
picture_metadata['path'] = filename
saved_pictures[picture_metadata['path']] = True
# Insert into MongoDB
if len(metadata_pictures) > 0:
collection.insert_many(metadata_pictures)
# Save saved pictures cache
_save_pictures_cache(saved_pictures)