關(guān)于CentOS 7下sqlite3找不到的問題解決
發(fā)布日期：2022-06-21 12:11 | 文章來源：源碼中國
本文主要給大家介紹的關(guān)于CentOS 7下sqlite3找不到問題的解決方法，分享出來供大家參考學習，下面來一起看看詳細的介紹：
Centos7下的nltk啟動問題
CentOS 7， Python 3.6，ipython 6.0.0
問題描述
ipython
啟動ipython命令
import nltk
爆出以下的錯誤信息：
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'
從錯誤信息來分析，可以發(fā)現(xiàn)，就是sqlite3找不到而已。
問題分析與解決
那就嘗試看看sqlite3是否已經(jīng)安裝：
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，那就安裝好了
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!
問題沒有解決
重新啟動ipython
import nltk
但是問題依然存在，哪里出的問題呢？
問題最終解決
雖然安裝了sqlite3的數(shù)據(jù)庫，但是對于ipython的環(huán)境來說，確實無法找到sqlite3。
于是，我重新編譯，并且安裝了一下python3。
注意： 這個是在sqlite3安裝成功之后，在安裝python的運行環(huán)境。
于是重新啟動ipython，問題消逝，一切正常，本質(zhì)上就是sqlite3的安裝，以及sqlite3與python運行環(huán)境之間的匹配的問題。
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