Python下载GPM卫星数据

import os
import requests

class SessionHeaderRedirection(requests.Session):
    AUTH_HOST = 'urs.earthdata.nasa.gov'
    def __init__(self, username, password):
        super().__init__()
        self.auth = (username, password)
    
    def rebuild_auth(self, prepared_request, response):
        headers = prepared_request.headers
        url = prepared_request.url
        if 'Authorization' in headers:
            original_parsed = requests.utils.urlparse(response.request.url)
            redirect_parsed = requests.utils.urlparse(url)
            if (original_parsed.hostname != redirect_parsed.hostname) and 
                    redirect_parsed.hostname != self.AUTH_HOST and 
                    original_parsed.hostname != self.AUTH_HOST:
                del headers['Authorization']
        return

class downloadHDF5:
    def __init__(self, stageroot, username="****", password="****"):
        self.stageroot = stageroot
        self.username = username
        self.password = password
        self.session = SessionWithHeaderRedirection(self.username, self.password)

    def download(self, url):
        """
        urs.earthdata.nasa.gov 网站文件下载函数
        :param url:         文件的url地址
        :param stageroot:   存储下载文件的根目录的位置
        :param username:    下载使用的用户名
        :param password:    下载使用的密码
        :return: 无
        """
        filename = url[url.rfind('/') + 1:].split('?')[0]

        try:
            response = self.session.get(url, stream=True)
            print(filename + ":" + str(response.status_code))
            response.raise_for_status()
            with open(os.path.join(self.stageroot, filename), 'wb') as fd:
                for chunk in response.iter_content(chunk_size=1024 * 1024):
                    fd.write(chunk)
        except Exception as e:
            print("download" + filename + ":error")
            print("n")
            print(e)

a = downloadHDF5('*/GPM_NC')
with open('*/subset_GPM_3IMERGHH_06_20220429_102358.txt') as f:
    for url in f:
        b = a.download(url)

GPM数据下载网站：Precipitation Data Directory | NASA Global Precipitation Measurement Missionhttps://gpm.nasa.gov/data/directory