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【已解决】调试基于solr的兜底对话出错:AttributeError: ‘list’ object has no attribute ‘lower’

Python crifan 950浏览 0评论

折腾:

【已解决】合并基于搜索的兜底对话到产品Demo中

期间,结果又出现:

<code>input:say hi
http://localhost:8983/solr/qa/select?q=question_str%3A%22say+hi%22&fq=%2A%3A%2A+AND+scene%3Aqa&rows=1&fl=question%2Canswer%2Cid&wt=json&indent=false
http://localhost:8983/solr/qa/select?q=question%3A%22say+hi%22&fq=%2A%3A%2A+AND+scene%3Aqa&rows=100&fl=question%2Canswer%2Cid&wt=json&indent=false
Building prefix dict from the default dictionary ...
Dumping model to file cache /var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/jieba.cache
Loading model cost 1.744 seconds.
Prefix dict has been built succesfully.
Traceback (most recent call last):
  File "/Applications/PyCharm.app/Contents/helpers/pydev/pydevd.py", line 1664, in &lt;module&gt;
    main()
  File "/Applications/PyCharm.app/Contents/helpers/pydev/pydevd.py", line 1658, in main
    globals = debugger.run(setup['file'], None, None, is_module)
  File "/Applications/PyCharm.app/Contents/helpers/pydev/pydevd.py", line 1068, in run
    pydev_imports.execfile(file, globals, locals)  # execute the script
  File "/Applications/PyCharm.app/Contents/helpers/pydev/_pydev_imps/_pydev_execfile.py", line 18, in execfile
    exec(compile(contents+"\n", file, 'exec'), glob, loc)
  File "/Users/crifan/dev/dev_root/xxx/search/qa/iqa.py", line 168, in &lt;module&gt;
    main()
  File "/Users/crifan/dev/dev_root/xxx/search/qa/iqa.py", line 163, in main
    reply = qa.get_responses(i, "qa")
  File "/Users/crifan/dev/dev_root/xxx/search/qa/iqa.py", line 110, in get_responses
    score = self.w2v_similarity(query, g)
  File "/Users/crifan/dev/dev_root/xxx/search/qa/iqa.py", line 144, in w2v_similarity
    tokens2 = tokenize(query2)
  File "/Users/crifan/dev/dev_root/company/xxx/projects/NLP/sourcecode/xxx/nlp/search/utils/query_util.py", line 71, in tokenize
    sent = sent.lower().strip()
AttributeError: 'list' object has no attribute 'lower'
</code>

算了,停止当前的调试,重新初始化试试

因为怀疑之前的solr是错误数据,然后启动了,导致连接find不到answer

现在刚重启solr,虽然可以建立cache,但是不是重头开始初始化的,难免可能哪里产生不良影响,所以去

停止并重启solr,然后重启此处对话代码调试

<code>➜  solr git:(master) ✗ solr stop -all
Sending stop command to Solr running on port 8983 ... waiting up to 180 seconds to allow Jetty process 46413 to stop gracefully.
➜  solr git:(master) ✗ solr start
Waiting up to 180 seconds to see Solr running on port 8983 [\]
Started Solr server on port 8983 (pid=46936). Happy searching!

➜  solr git:(master) ✗ solr status

Found 1 Solr nodes:

Solr process 46936 running on port 8983
{
  "solr_home":"/usr/local/Cellar/solr/7.2.1/server/solr",
  "version":"7.2.1 b2b6438b37073bee1fca40374e85bf91aa457c0b - ubuntu - 2018-01-10 00:54:21",
  "startTime":"2018-08-21T07:33:59.365Z",
  "uptime":"0 days, 0 hours, 0 minutes, 38 seconds",
  "memory":"24.1 MB (%4.9) of 490.7 MB"}
</code>

结果问题依旧:

根据错误代码,去调试看看:

nlp/search/qa/iqa.py

<code>b = doc[self.answer_key]
g = doc[self.question_key]
score = self.w2v_similarity(query, g)
</code>

看起来是:

g = doc[self.question_key]

返回一个list了,而正常希望是返回一个string

对list而不是str去lower,所以就报错了

那么自己擅自加上判断:

<code>def tokenize(sent, mode=context.segmenter):
    if isinstance(sent, list):
        sent = sent[0]
    sent = sent.lower().strip()
</code>

试试效果:

是可以规避这个问题的。

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  1. 我之前遇到过一次是把str在前面当变量名用了,导致str.lower不能用...
    VC菜鸡3个月前 (07-08)回复
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