聊聊 Jmeter 如何并发执行 Python 脚本

import osimport mathimport hashlib
def get_file_md5(self, file_path):    """获取文件的md5值"""    with open(file_path, 'rb') as f:         data = f.read()         return hashlib.md5(data).hexdigest()
def get_filename(self, filepath):    """获取文件原始名称"""    # 文件名带后缀    filename_with_suffix = os.path.basename(filepath)    # 文件名    filename = filename_with_suffix.split('.')[0]    # 后缀名    suffix = filename_with_suffix.split('.')[-1]    return filename_with_suffix, filename, suffix
def get_chunk_info(self, file_path):    """获取分段信息"""    # 获取文件总大小(字节)    file_total_size = os.path.getsize(file_path)    print(file_total_size)
    # 分段总数    total_chunks_num = math.ceil(file_total_size / self.chunk_size)    # 文件名（带后缀）    filename = self.get_filename(file_path)[0]    # 文件的md5值    file_md5 = self.get_file_md5(file_path)    return file_total_size, total_chunks_num, filename, file_md5

import requests
def do_chunk_and_upload(self, file_path):​    """将文件分段处理，并上传"""    file_total_size, total_chunks_num, filename, file_md5 = self.get_chunk_info(file_path)
    # 遍历    for index in range(total_chunks_num):        print('第{}次文件上传'.format(index + 1))        if index + 1 == total_chunks_num:            partSize = file_total_size % chunk_size        else:            partSize = chunk_size
        # 文件偏移量        offset = index * chunk_size
        # 生成分片id,从1开始        chunk_id = index + 1
        print('开始准备上传文件')        print("分片id:", chunk_id, "文件偏移量：", offset, ",当前分片大小:", partSize, )
        # 分段上传文件        self.__upload(offset, chunk_id, file_path, file_md5, filename, partSize, total_chunks_num)
def __upload(self, offset, chunk_id, file_path, file_md5, filename, partSize, total):    """分次上传文件"""    url = 'http://**/file/brust/upload'    params = {'chunk': chunk_id,                'fileMD5': file_md5,                'fileName': filename,                'partSize': partSize,                'total': total                }    # 根据文件路径及偏移量，读取文件二进制数据    current_file = open(file_path, 'rb')    current_file.seek(offset)
    files = {'file': current_file.read(partSize)}    resp = requests.post(url, params=params, files=files).text    print(resp)

def merge_file(self, filepath):        """合并"""        url = 'http://**/file/brust/merge'        file_total_size, total_chunks_num, filename, file_md5 = self.get_chunk_info(filepath)​        payload = json.dumps(            {                "fileMD5": file_md5,                "chunkTotal": total_chunks_num,                "fileName": filename            }        )        print(payload)        headers = {            "Content-Type": "application/json"        }        resp = requests.post(url, headers=headers, data=payload).text        print(resp)

# fileupload.py...if __name__ == '__main__':    filepath = sys.argv[1]
    # 每一段切片的大小(MB)    chunk_size = 2 * 1024 * 1024
    fileApi = FileApi(chunk_size)    # 分段上传    fileApi.do_chunk_and_upload(filepath)
    # 合并    fileApi.merge_file(filepath)

# cmd.bat
@echo offset filepath=%1
python  C:\Users\xingag\Desktop\rpc_demo\fileupload.py %*

# 准备多个文件路径（csv）C:\\Users\\xingag\\Desktop\\charles-proxy-4.6.1-win64.msiC:\\Users\\xingag\\Desktop\\V2.0.pdfC:\\Users\\xingag\\Desktop\\HBuilder1.zipC:\\Users\\xingag\\Desktop\\HBuilder2.zip