cmdb/cmdb-api/api/lib/decorator.py

73 lines
2.2 KiB
Python

# -*- coding:utf-8 -*-
from functools import wraps
from flask import abort
from flask import request
from api.lib.resp_format import CommonErrFormat
def kwargs_required(*required_args):
def decorate(func):
@wraps(func)
def wrapper(*args, **kwargs):
for arg in required_args:
if arg not in kwargs:
return abort(400, CommonErrFormat.argument_required.format(arg))
return func(*args, **kwargs)
return wrapper
return decorate
def args_required(*required_args, **value_required):
def decorate(func):
@wraps(func)
def wrapper(*args, **kwargs):
for arg in required_args:
if arg not in request.values:
return abort(400, CommonErrFormat.argument_required.format(arg))
if value_required.get('value_required', True) and not request.values.get(arg):
return abort(400, CommonErrFormat.argument_value_required.format(arg))
return func(*args, **kwargs)
return wrapper
return decorate
def args_validate(model_cls, exclude_args=None):
def decorate(func):
@wraps(func)
def wrapper(*args, **kwargs):
for arg in request.values:
if hasattr(model_cls, arg):
attr = getattr(model_cls, arg)
if not hasattr(attr, "type"):
continue
if exclude_args and arg in exclude_args:
continue
if attr.type.python_type == str and attr.type.length and (
len(request.values[arg] or '') > attr.type.length):
return abort(400, CommonErrFormat.argument_str_length_limit.format(arg, attr.type.length))
elif attr.type.python_type in (int, float) and request.values[arg]:
try:
int(float(request.values[arg]))
except (TypeError, ValueError):
return abort(400, CommonErrFormat.argument_invalid.format(arg))
return func(*args, **kwargs)
return wrapper
return decorate