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：

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

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

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，谢谢大家对的支持。