本文介绍了当我尝试使用urllib发送请求时，出现InvalidURL：URL不能包含控制字符的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在尝试从用作urllib请求参数的链接获取JSON响应。但它给我一个错误，它不能包含控制字符。
我如何解决此问题？
start_url = "https://devbusiness.un.org/solr-sitesearch-output/10//0/ds_field_last_updated/desc?bundle_fq =procurement_notice&sm_vid_Institutions_fq=&sm_vid_Procurement_Type_fq=&sm_vid_Countries_fq=&sm_vid_Sectors_fq= &sm_vid_Languages_fq=English&sm_vid_Notice_Type_fq=&deadline_multifield_fq=&ts_field_project_name_fq=&label_fq=&sm_field_db_ref_no__fq=&sm_field_loan_no__fq=&dm_field_deadlineFrom_fq=&dm_field_deadlineTo_fq =&ds_field_future_posting_dateFrom_fq=&ds_field_future_posting_dateTo_fq=&bm_field_individual_consulting_fq="
source = urllib.request.urlopen(start_url).read()
我得到的错误是：
URL can't contain control characters. '/solr-sitesearch-output/10//0/ds_field_last_updated/desc?bundle_fq =procurement_notice&sm_vid_Institutions_fq=&sm_vid_Procurement_Type_fq=&sm_vid_Countries_fq=&sm_vid_Sectors_fq= &sm_vid_Languages_fq=English&sm_vid_Notice_Type_fq=&deadline_multifield_fq=&ts_field_project_name_fq=&label_fq=&sm_field_db_ref_no__fq=&sm_field_loan_no__fq=&dm_field_deadlineFrom_fq=&dm_field_deadlineTo_fq =&ds_field_future_posting_dateFrom_fq=&ds_field_future_posting_dateTo_fq=&bm_field_individual_consulting_fq=' (found at least ' ')
推荐答案
将空白替换为：
url = url.replace(" ", "%20")
如果问题位于空格上，将解决此问题
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