mirror of
https://github.com/1Panel-dev/MaxKB.git
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139 lines
3.8 KiB
Python
139 lines
3.8 KiB
Python
# coding=utf-8
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"""
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@project: maxkb
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@Author：虎
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@file： common.py
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@date：2023/10/16 16:42
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@desc:
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"""
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import hashlib
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import importlib
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import mimetypes
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import io
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from functools import reduce
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from typing import Dict, List
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from django.core.files.uploadedfile import InMemoryUploadedFile
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from django.db.models import QuerySet
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from ..exception.app_exception import AppApiException
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from ..models.db_model_manage import DBModelManage
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def sub_array(array: List, item_num=10):
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result = []
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temp = []
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for item in array:
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temp.append(item)
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if len(temp) >= item_num:
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result.append(temp)
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temp = []
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if len(temp) > 0:
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result.append(temp)
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return result
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def query_params_to_single_dict(query_params: Dict):
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return reduce(lambda x, y: {**x, **y}, list(
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filter(lambda item: item is not None, [({key: value} if value is not None and len(value) > 0 else None) for
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key, value in
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query_params.items()])), {})
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def get_exec_method(clazz_: str, method_: str):
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"""
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根据 class 和method函数 获取执行函数
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:param clazz_: class 字符串
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:param method_: 执行函数
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:return: 执行函数
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"""
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clazz_split = clazz_.split('.')
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clazz_name = clazz_split[-1]
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package = ".".join([clazz_split[index] for index in range(len(clazz_split) - 1)])
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package_model = importlib.import_module(package)
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return getattr(getattr(package_model, clazz_name), method_)
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def flat_map(array: List[List]):
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"""
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将二位数组转为一维数组
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:param array: 二维数组
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:return: 一维数组
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"""
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result = []
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for e in array:
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result += e
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return result
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def password_encrypt(raw_password):
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"""
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密码 md5加密
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:param raw_password: 密码
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:return: 加密后密码
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"""
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md5 = hashlib.md5() # 2，实例化md5() 方法
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md5.update(raw_password.encode()) # 3，对字符串的字节类型加密
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result = md5.hexdigest() # 4，加密
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return result
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def post(post_function):
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def inner(func):
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def run(*args, **kwargs):
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result = func(*args, **kwargs)
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return post_function(*result)
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return run
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return inner
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def valid_license(model=None, count=None, message=None):
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def inner(func):
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def run(*args, **kwargs):
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xpack_cache = DBModelManage.get_model('xpack_cache')
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is_license_valid = xpack_cache.get('XPACK_LICENSE_IS_VALID', False) if xpack_cache is not None else False
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record_count = QuerySet(model).count()
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if not is_license_valid and record_count >= count:
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error_message = message or f'超出限制{count}, 请联系我们（https://fit2cloud.com/）。'
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raise AppApiException(400, error_message)
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return func(*args, **kwargs)
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return run
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return inner
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def bulk_create_in_batches(model, data, batch_size=1000):
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if len(data) == 0:
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return
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for i in range(0, len(data), batch_size):
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batch = data[i:i + batch_size]
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model.objects.bulk_create(batch)
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def bytes_to_uploaded_file(file_bytes, file_name="file.txt"):
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content_type, _ = mimetypes.guess_type(file_name)
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if content_type is None:
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# 如果未能识别，设置为默认的二进制文件类型
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content_type = "application/octet-stream"
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# 创建一个内存中的字节流对象
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file_stream = io.BytesIO(file_bytes)
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# 获取文件大小
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file_size = len(file_bytes)
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# 创建 InMemoryUploadedFile 对象
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uploaded_file = InMemoryUploadedFile(
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file=file_stream,
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field_name=None,
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name=file_name,
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content_type=content_type,
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size=file_size,
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charset=None,
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)
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return uploaded_file
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