import contextlib import os import tempfile from .base import BaseStorage class Storage(BaseStorage): def __init__(self, app): super().__init__(app) os.makedirs(self.app.config['FILE_DIRECTORY'], exist_ok=True) os.makedirs(self.app.config['THUMB_DIRECTORY'], exist_ok=True) def store_file(self, uploaded_file, file_hash, user, ip): size = uploaded_file.content_length if hasattr(uploaded_file.stream, 'file'): temp = None temp_path = uploaded_file.stream.name else: temp = tempfile.NamedTemporaryFile(prefix='upload_', dir=self.app.config['FILE_DIRECTORY'], delete=False) uploaded_file.save(temp.file) temp_path = temp.name size = os.path.getsize(temp_path) try: new_file = self.add_file(file_hash, uploaded_file.filename, size, user, ip) os.rename(temp_path, new_file.get_path()) return new_file except: os.unlink(temp.name) raise finally: if self.app.config.get('DESTINATION_MODE'): os.chmod(new_file.get_path(), self.app.config.get('DESTINATION_MODE')) def get_file(self, f): path = f.get_path() if not os.path.exists(path): return return path def delete_file(self, f): path = f.get_path() if os.path.exists(path): os.unlink(path) @contextlib.contextmanager def temp_file(self, f): with open(f.get_path(), 'rb') as f: yield f def get_thumbnail(self, f): path = f.get_thumb_path() if not os.path.exists(path): return return path def store_thumbnail(self, f, stream): path = f.get_thumb_path() with open(path, 'wb') as f: buf = stream.read(1024*10) while buf: f.write(buf) buf = stream.read(1024*10)