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
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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'
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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
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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!
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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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