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关于CentOS 7下sqlite3找不到的问题解决

本文主要给大家介绍的关于CentOS 7下sqlite3找不到问题的解决方法,分享出来供大家参考学习,下面来一起看看详细的介绍:

Centos7下的nltk启动问题

CentOS 7, Python 3.6,ipython 6.0.0

问题描述

ipython

启动ipython命令

import nltk

爆出以下的错误信息:

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In [1]: import nltk
---------------------------------------------------------------------------
ModuleNotFoundError      Traceback (most recent call last)
<ipython-input-1-b06499430ee0> in <module>()
----> 1 import nltk
 
/opt/python36env/lib/python3.6/site-packages/nltk/__init__.py in <module>()
 135 from nltk.translate import *
 136 from nltk.sem import *
--> 137 from nltk.stem import *
 138
 139 # Packages which can be lazily imported
 
/opt/python36env/lib/python3.6/site-packages/nltk/stem/__init__.py in <module>()
  27 from nltk.stem.isri import ISRIStemmer
  28 from nltk.stem.porter import PorterStemmer
---> 29 from nltk.stem.snowball import SnowballStemmer
  30 from nltk.stem.wordnet import WordNetLemmatizer
  31 from nltk.stem.rslp import RSLPStemmer
 
/opt/python36env/lib/python3.6/site-packages/nltk/stem/snowball.py in <module>()
  24
  25 from nltk import compat
---> 26 from nltk.corpus import stopwords
  27 from nltk.stem import porter
  28 from nltk.stem.util import suffix_replace
 
/opt/python36env/lib/python3.6/site-packages/nltk/corpus/__init__.py in <module>()
  64 from nltk.tokenize import RegexpTokenizer
  65 from nltk.corpus.util import LazyCorpusLoader
---> 66 from nltk.corpus.reader import *
  67
  68 abc = LazyCorpusLoader(
 
/opt/python36env/lib/python3.6/site-packages/nltk/corpus/reader/__init__.py in <module>()
 103 from nltk.corpus.reader.categorized_sents import *
 104 from nltk.corpus.reader.comparative_sents import *
--> 105 from nltk.corpus.reader.panlex_lite import *
 106
 107 # Make sure that nltk.corpus.reader.bracket_parse gives the module, not
 
/opt/python36env/lib/python3.6/site-packages/nltk/corpus/reader/panlex_lite.py in <module>()
  13
  14 import os
---> 15 import sqlite3
  16
  17 from nltk.corpus.reader.api import CorpusReader
 
/usr/local/lib/python3.6/sqlite3/__init__.py in <module>()
  21 # 3. This notice may not be removed or altered from any source distribution.
  22
---> 23 from sqlite3.dbapi2 import *
 
/usr/local/lib/python3.6/sqlite3/dbapi2.py in <module>()
  25 import collections.abc
  26
---> 27 from _sqlite3 import *
  28
  29 paramstyle = "qmark"
 
ModuleNotFoundError: No module named '_sqlite3'

从错误信息来分析,可以发现,就是sqlite3找不到而已。

问题分析与解决

那就尝试看看sqlite3是否已经安装:

yum search sqlite3

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yum search sqlite3
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
=============================================================================== N/S matched: sqlite3 ================================================================================
libsqlite3x.x86_64 : A C++ Wrapper for the SQLite3 embeddable SQL database engine
libsqlite3x-devel.x86_64 : Development files for libsqlite3x
preludedb-sqlite3.x86_64 : Plugin to use prelude with a SQLite3 database
rubygem-sqlite3.x86_64 : Allows Ruby scripts to interface with a SQLite3 database
rubygem-sqlite3-doc.noarch : Documentation for rubygem-sqlite3
soci-sqlite3.x86_64 : SQLite3 back-end for soci
soci-sqlite3-devel.x86_64 : SQLite3 back-end for soci
uwsgi-plugin-sqlite3.x86_64 : uWSGI - SQLite3 plugin
dspam-sqlite3.x86_64 : SQLite v3.x storage driver for libdspam
golang-googlecode-sqlite-devel.i686 : Trivial sqlite3 binding for Go
golang-googlecode-sqlite-devel.x86_64 : Trivial sqlite3 binding for Go
libsq3.x86_64 : A C++ Wrapper for the SQLite3 embeddable SQL database engine
libsq3-devel.x86_64 : Development files for libsqlite3x
opendbx-sqlite.x86_64 : SQLite 3 backend - provides sqlite3 support in opendbx
python-sqlite3dbm.noarch : SQLite-backed dictionary conforming to the dbm interface
sqlite-devel.i686 : Development tools for the sqlite3 embeddable SQL database engine
sqlite-devel.x86_64 : Development tools for the sqlite3 embeddable SQL database engine
sqlite-tcl.x86_64 : Tcl module for the sqlite3 embeddable SQL database engine
sqlite3-dbf.x86_64 : Converter of XBase / FoxPro tables to SQLite
zabbix20-proxy-sqlite3.x86_64 : Zabbix proxy compiled to use SQLite
zabbix22-dbfiles-sqlite3.noarch : Zabbix database schemas and patches
zabbix22-proxy-sqlite3.x86_64 : Zabbix proxy compiled to use SQLite

找到了sqlite3-devel,那就安装好了

yum install sqlite-devel

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yum install sqlite-devel
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package sqlite-devel.x86_64 0:3.7.17-8.el7 will be installed
--> Finished Dependency Resolution
 
Dependencies Resolved
 
=====================================================================================================================================================================================
 Package          Arch          Version          Repository        Size
=====================================================================================================================================================================================
Installing:
 sqlite-devel         x86_64         3.7.17-8.el7         base         104 k
 
Transaction Summary
=====================================================================================================================================================================================
Install 1 Package
 
Total download size: 104 k
Installed size: 366 k
Is this ok [y/d/N]: y
Downloading packages:
sqlite-devel-3.7.17-8.el7.x86_64.rpm                               | 104 kB 00:00:00 
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
 Installing : sqlite-devel-3.7.17-8.el7.x86_64                                 1/1
 Verifying : sqlite-devel-3.7.17-8.el7.x86_64                                 1/1
 
Installed:
 sqlite-devel.x86_64 0:3.7.17-8.el7                                    
 
Complete!

问题没有解决

重新启动ipython

import nltk

但是问题依然存在,哪里出的问题呢?

问题最终解决

虽然安装了sqlite3的数据库,但是对于ipython的环境来说,确实无法找到sqlite3。

于是,我重新编译,并且安装了一下python3。

注意: 这个是在sqlite3安装成功之后,在安装python的运行环境。

于是重新启动ipython,问题消逝,一切正常,本质上就是sqlite3的安装,以及sqlite3与python运行环境之间的匹配的问题。

总结

以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作能带来一定的帮助,如果有疑问大家可以留言交流,谢谢大家对服务器之家的支持。

原文链接:http://blog.csdn.net/blueheart20/article/details/72829675

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