presenton/servers/fastapi/api/services/temp_file.py

65 lines
2.1 KiB
Python

import os
import uuid
from typing import Optional, Union
class TempFileService:
base_dir = os.getenv("TEMP_DIRECTORY")
def __init__(self):
self.cleanup_base_dir()
os.makedirs(self.base_dir, exist_ok=True)
def create_dir_in_dir(self, base_dir: str, dir_name: Optional[str] = None) -> str:
temp_dir = os.path.join(base_dir, dir_name if dir_name else str(uuid.uuid4()))
os.makedirs(temp_dir, exist_ok=True)
return temp_dir
def create_temp_dir(self, dir_name: Optional[str] = None) -> str:
return self.create_dir_in_dir(self.base_dir, dir_name)
def create_temp_file_path(
self, file_path: str, dir_path: Optional[str] = None
) -> str:
if dir_path is None:
dir_path = self.base_dir
full_path = os.path.join(dir_path, file_path)
os.makedirs(os.path.dirname(full_path), exist_ok=True)
return full_path
def create_temp_file(
self, file_path: str, content: Union[bytes, str], dir_path: Optional[str] = None
) -> str:
file_path = self.create_temp_file_path(file_path, dir_path)
mode = "wb" if isinstance(content, bytes) else "w"
with open(file_path, mode) as f:
f.write(content)
return file_path
def read_temp_file(self, file_path: str, binary: bool = True) -> Union[bytes, str]:
mode = "rb" if binary else "r"
with open(file_path, mode) as f:
return f.read()
def cleanup_temp_file(self, file_path: str):
if os.path.exists(file_path):
os.remove(file_path)
def delete_dir_files(self, dir_path: str):
if os.path.exists(dir_path):
for root, dirs, files in os.walk(dir_path, topdown=False):
for name in files:
os.remove(os.path.join(root, name))
for name in dirs:
os.rmdir(os.path.join(root, name))
def cleanup_temp_dir(self, dir_path: str):
if os.path.exists(dir_path):
self.delete_dir_files(dir_path)
os.rmdir(dir_path)
def cleanup_base_dir(self):
self.cleanup_temp_dir(self.base_dir)