标签:python linux nlp parsing nltk
我的COde是
from nltk.parse import malt
mp = malt.MaltParser(working_dir="/other/apps/maltparser-1.8.1",mco="engmalt.poly-1.7.mco",additional_java_args=['-Xmx1024m'])
print mp.raw_parse("Hello World")
错误是
Traceback (most recent call last):
File "malt.py", line 13, in <module>
print mp.raw_parse("Hello World")
File "/usr/local/lib/python2.7/dist-packages/nltk/parse/malt.py", line 139, in raw_parse
return self.parse(words, verbose)
File "/usr/local/lib/python2.7/dist-packages/nltk/parse/malt.py", line 126, in parse
return self.parse_sents([sentence], verbose)[0]
File "/usr/local/lib/python2.7/dist-packages/nltk/parse/malt.py", line 114, in parse_sents
return self.tagged_parse_sents(tagged_sentences, verbose)
File "/usr/local/lib/python2.7/dist-packages/nltk/parse/malt.py", line 194, in tagged_parse_sents
"code %d" % (' '.join(cmd), ret))
Exception: MaltParser parsing (java -Xmx1024m -jar /usr/local/bin/malt.jar -w /other/apps/maltparser-1.8.1 -c engmalt.poly-1.7.mco -i /other/apps/maltparser-1.8.1/malt_input.conlljOba1P -o /other/apps/maltparser-1.8.1/malt_output.conllPLcoTu -m parse) failed with exit code 1
解决方法:
NLTK中的MaltParser API只有a patch修复并稳定了以前的问题:
> How to use malt parser in python nltk
> Malt Parser throwing class not found exception
> MaltParser Not Working in Python NLTK
以下是如何在NLTK中使用MaltParser API的示例:
# Upgrade your NLTK.
alvas@ubi:~$cd ~
alvas@ubi:~$pip install -U nltk
# Get the latest MaltParser and model
alvas@ubi:~$wget http://maltparser.org/dist/maltparser-1.8.1.zip
alvas@ubi:~$unzip maltparser-1.8.1.zip
alvas@ubi:~$wget http://www.maltparser.org/mco/english_parser/engmalt.poly-1.7.mco
# In python, now you can do this:
alvas@ubi:~$python
>>> from nltk.parse.malt import MaltParser
>>> mp = MaltParser('/home/alvas/maltparser-1.8.1', '/home/alvas/engmalt.poly-1.7.mco')
>>> sent1 = 'I shot an elephant in my pajamas .'.split()
>>> print(mp.parse_one(sent1).tree())
(shot I (elephant an (in (pajamas my))) .)
(有关更多演示代码,请参阅here;有关更详细的演示代码,请参阅here)
请注意,您还可以使用导出功能,并且可以在初始化MaltParser对象时转义完整路径的使用.但是你必须告诉对象要查找的解析器目录和模型文件名的名称是什么,例如
alvas@ubi:~$export MALT_PARSER='/home/$UID/maltparser-1.8.1/'
alvas@ubi:~$export MALT_MODEL='/home/$UID/engmalt.poly-1.7.mco'
alvas@ubi:~$python
>>> from nltk.parse.malt import MaltParser
>>> mp = MaltParser('maltparser-1.8.1', 'engmalt.poly-1.7.mco')
>>> sent1 = 'I shot an elephant in my pajamas .'.split()
>>> print(mp.parse_one(sent1).tree())
(shot I (elephant an (in (pajamas my))) .)
标签:python,linux,nlp,parsing,nltk 来源: https://codeday.me/bug/20191003/1845992.html
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。