requests_toolbelt 提交 multipart/form-data

def test_update_plugin(self):
    response = requests.delete(plugin_api)
    assert 200 == response.status_code

    response = requests.get(plugin_list)
    assert 200 == response.status_code
    logger.debug(response.content)
    assert plugin_name not in response.content

    m = MultipartEncoder(

        fields={
            'files': ('analysis-pinyin-7.2.1.zip', open('analysis-pinyin-7.2.1.zip', 'rb'), 'application/zip')}
    )
    response = requests.post(post_api, data=m, headers={'Content-Type': m.content_type})
    assert 200 == response.status_code

    response = requests.get(plugin_list)
    assert 200 == response.status_code
    logger.debug(response.content)
    assert plugin_name in response.content

    m = MultipartEncoder(

        fields={
            'files': ('analysis-pinyin-wrong.zip', open('analysis-pinyin-wrong.zip', 'rb'), 'application/zip')}
    )
    response = requests.post(post_api, data=m, headers={'Content-Type': m.content_type})
    logger.debug(response.headers)
    assert 422 == response.status_code
    assert 'plugin-descriptor.properties should be located in zip / or zip elasticsearch/ directory' in \
           response.headers['X-Error-Message']

    m = MultipartEncoder(

        fields={
            'files': ('analysis-pinyin-7.2.2.zip', open('analysis-pinyin-7.2.2.zip', 'rb'), 'application/zip')}
    )
    response = requests.post(update_api, data=m, headers={'Content-Type': m.content_type})
    logger.debug(response.headers)
    assert 200 == response.status_code

    m = MultipartEncoder(

        fields={
            'files': ('analysis-pinyin-7.2.2.zip', open('analysis-pinyin-7.2.2.zip', 'rb'), 'application/zip')}
    )
    response = requests.post(post_api, data=m, headers={'Content-Type': m.content_type})
    logger.debug(response.headers)
    assert 422 == response.status_code
    assert 'Plugin Already Exists' in response.headers['X-Error-Message']