关于CentOS 7下sqlite3找不到的问题解决
<p>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：</p>
<p>
<span><strong>Centos7下的nltk启动问题</strong></span></p>
<p>
CentOS 7， Python 3.6，ipython 6.0.0</p>
<p>
<strong>问题描述</strong></p>
<p>
ipython</p>
<p>
启动ipython命令</p>
<p>
<code>import nltk</code></p>
<p>
爆出以下的错误信息：</p>
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<code class="bash plain">In : </code><code class="bash functions">import</code> <code class="bash plain">nltk</code>
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<code class="bash plain">---------------------------------------------------------------------------</code>
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<code class="bash plain">ModuleNotFoundError Traceback (most recent call last)</code>
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<code class="bash plain"><ipython-input-1-b06499430ee0> </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash plain">----> 1 </code><code class="bash functions">import</code> <code class="bash plain">nltk</code>
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<code class="bash plain">/opt/python36env/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/site-packages/nltk/__init__</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash spaces"> </code><code class="bash plain">135 from nltk.translate </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash spaces"> </code><code class="bash plain">136 from nltk.sem </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash plain">--> 137 from nltk.stem </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash spaces"> </code><code class="bash plain">138 </code>
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<code class="bash spaces"> </code><code class="bash plain">139 </code><code class="bash comments"># Packages which can be lazily imported</code>
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<code class="bash plain">/opt/python36env/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/site-packages/nltk/stem/__init__</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash spaces"> </code><code class="bash plain">27 from nltk.stem.isri </code><code class="bash functions">import</code> <code class="bash plain">ISRIStemmer</code>
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<code class="bash spaces"> </code><code class="bash plain">28 from nltk.stem.porter </code><code class="bash functions">import</code> <code class="bash plain">PorterStemmer</code>
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<code class="bash plain">---> 29 from nltk.stem.snowball </code><code class="bash functions">import</code> <code class="bash plain">SnowballStemmer</code>
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<code class="bash spaces"> </code><code class="bash plain">30 from nltk.stem.wordnet </code><code class="bash functions">import</code> <code class="bash plain">WordNetLemmatizer</code>
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<code class="bash spaces"> </code><code class="bash plain">31 from nltk.stem.rslp </code><code class="bash functions">import</code> <code class="bash plain">RSLPStemmer</code>
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<code class="bash plain">/opt/python36env/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/site-packages/nltk/stem/snowball</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash spaces"> </code><code class="bash plain">24 </code>
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<code class="bash spaces"> </code><code class="bash plain">25 from nltk </code><code class="bash functions">import</code> <code class="bash plain">compat</code>
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<code class="bash plain">---> 26 from nltk.corpus </code><code class="bash functions">import</code> <code class="bash plain">stopwords</code>
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<code class="bash spaces"> </code><code class="bash plain">27 from nltk.stem </code><code class="bash functions">import</code> <code class="bash plain">porter</code>
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<code class="bash spaces"> </code><code class="bash plain">28 from nltk.stem.util </code><code class="bash functions">import</code> <code class="bash plain">suffix_replace</code>
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<code class="bash plain">/opt/python36env/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/site-packages/nltk/corpus/__init__</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash spaces"> </code><code class="bash plain">64 from nltk.tokenize </code><code class="bash functions">import</code> <code class="bash plain">RegexpTokenizer</code>
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<code class="bash spaces"> </code><code class="bash plain">65 from nltk.corpus.util </code><code class="bash functions">import</code> <code class="bash plain">LazyCorpusLoader</code>
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<code class="bash plain">---> 66 from nltk.corpus.reader </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash spaces"> </code><code class="bash plain">67 </code>
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<code class="bash spaces"> </code><code class="bash plain">68 abc = LazyCorpusLoader(</code>
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<code class="bash plain">/opt/python36env/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/site-packages/nltk/corpus/reader/__init__</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash spaces"> </code><code class="bash plain">103 from nltk.corpus.reader.categorized_sents </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash spaces"> </code><code class="bash plain">104 from nltk.corpus.reader.comparative_sents </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash plain">--> 105 from nltk.corpus.reader.panlex_lite </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash spaces"> </code><code class="bash plain">106 </code>
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<code class="bash spaces"> </code><code class="bash plain">107 </code><code class="bash comments"># Make sure that nltk.corpus.reader.bracket_parse gives the module, not</code>
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<code class="bash plain">/opt/python36env/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/site-packages/nltk/corpus/reader/panlex_lite</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash plain">---> 15 </code><code class="bash functions">import</code> <code class="bash plain">sqlite3</code>
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<code class="bash spaces"> </code><code class="bash plain">16 </code>
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<code class="bash spaces"> </code><code class="bash plain">17 from nltk.corpus.reader.api </code><code class="bash functions">import</code> <code class="bash plain">CorpusReader</code>
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<code class="bash plain">/usr/local/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/sqlite3/__init__</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash spaces"> </code><code class="bash plain">21 </code><code class="bash comments"># 3. This notice may not be removed or altered from any source distribution.</code>
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<code class="bash plain">---> 23 from sqlite3.dbapi2 </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash plain">/usr/local/lib/python3</code><code class="bash plain">.6</code><code class="bash plain">/sqlite3/dbapi2</code><code class="bash plain">.py </code><code class="bash keyword">in</code> <code class="bash plain"><module>()</code>
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<code class="bash spaces"> </code><code class="bash plain">25 </code><code class="bash functions">import</code> <code class="bash plain">collections.abc</code>
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<code class="bash spaces"> </code><code class="bash plain">26 </code>
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<code class="bash plain">---> 27 from _sqlite3 </code><code class="bash functions">import</code> <code class="bash plain">*</code>
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<code class="bash spaces"> </code><code class="bash plain">28 </code>
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<code class="bash spaces"> </code><code class="bash plain">29 paramstyle = </code><code class="bash string">"qmark"</code>
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<code class="bash plain">ModuleNotFoundError: No module named </code><code class="bash string">'_sqlite3'</code>
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<p>
从错误信息来分析，可以发现，就是sqlite3找不到而已。</p>
<p>
<span><strong>问题分析与解决</strong></span></p>
<p>
那就尝试看看sqlite3是否已经安装：</p>
<p>
<code>yum search sqlite3</code></p>
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<code class="bash plain">yum search sqlite3</code>
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<code class="bash plain">Loaded plugins: fastestmirror</code>
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<code class="bash plain">Loading mirror speeds from cached hostfile</code>
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<code class="bash plain">=============================================================================== N</code><code class="bash plain">/S</code> <code class="bash plain">matched: sqlite3 ================================================================================</code>
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<code class="bash plain">libsqlite3x.x86_64 : A C++ Wrapper </code><code class="bash keyword">for</code> <code class="bash plain">the SQLite3 embeddable SQL database engine</code>
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<code class="bash plain">libsqlite3x-devel.x86_64 : Development files </code><code class="bash keyword">for</code> <code class="bash plain">libsqlite3x</code>
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<code class="bash plain">preludedb-sqlite3.x86_64 : Plugin to use prelude with a SQLite3 database</code>
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<code class="bash plain">rubygem-sqlite3.x86_64 : Allows Ruby scripts to interface with a SQLite3 database</code>
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<code class="bash plain">rubygem-sqlite3-doc.noarch : Documentation </code><code class="bash keyword">for</code> <code class="bash plain">rubygem-sqlite3</code>
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<code class="bash plain">soci-sqlite3.x86_64 : SQLite3 back-end </code><code class="bash keyword">for</code> <code class="bash plain">soci</code>
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<code class="bash plain">soci-sqlite3-devel.x86_64 : SQLite3 back-end </code><code class="bash keyword">for</code> <code class="bash plain">soci</code>
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<code class="bash plain">uwsgi-plugin-sqlite3.x86_64 : uWSGI - SQLite3 plugin</code>
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<code class="bash plain">dspam-sqlite3.x86_64 : SQLite v3.x storage driver </code><code class="bash keyword">for</code> <code class="bash plain">libdspam</code>
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<code class="bash plain">golang-googlecode-sqlite-devel.i686 : Trivial sqlite3 binding </code><code class="bash keyword">for</code> <code class="bash plain">Go</code>
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<code class="bash plain">golang-googlecode-sqlite-devel.x86_64 : Trivial sqlite3 binding </code><code class="bash keyword">for</code> <code class="bash plain">Go</code>
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<code class="bash plain">libsq3.x86_64 : A C++ Wrapper </code><code class="bash keyword">for</code> <code class="bash plain">the SQLite3 embeddable SQL database engine</code>
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<code class="bash plain">libsq3-devel.x86_64 : Development files </code><code class="bash keyword">for</code> <code class="bash plain">libsqlite3x</code>
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<code class="bash plain">opendbx-sqlite.x86_64 : SQLite 3 backend - provides sqlite3 support </code><code class="bash keyword">in</code> <code class="bash plain">opendbx</code>
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<code class="bash plain">python-sqlite3dbm.noarch : SQLite-backed dictionary conforming to the dbm interface</code>
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<code class="bash plain">sqlite-devel.i686 : Development tools </code><code class="bash keyword">for</code> <code class="bash plain">the sqlite3 embeddable SQL database engine</code>
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<code class="bash plain">sqlite-devel.x86_64 : Development tools </code><code class="bash keyword">for</code> <code class="bash plain">the sqlite3 embeddable SQL database engine</code>
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<code class="bash plain">sqlite-tcl.x86_64 : Tcl module </code><code class="bash keyword">for</code> <code class="bash plain">the sqlite3 embeddable SQL database engine</code>
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<code class="bash plain">sqlite3-dbf.x86_64 : Converter of XBase / FoxPro tables to SQLite</code>
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<code class="bash plain">zabbix20-proxy-sqlite3.x86_64 : Zabbix proxy compiled to use SQLite</code>
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<code class="bash plain">zabbix22-dbfiles-sqlite3.noarch : Zabbix database schemas and patches</code>
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<code class="bash plain">zabbix22-proxy-sqlite3.x86_64 : Zabbix proxy compiled to use SQLite</code>
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<p>
找到了sqlite3-devel，那就安装好了</p>
<p>
<code>yum install sqlite-devel</code></p>
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<code class="bash plain">yum </code><code class="bash functions">install</code> <code class="bash plain">sqlite-devel</code>
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<code class="bash plain">Loaded plugins: fastestmirror</code>
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<code class="bash plain">Loading mirror speeds from cached hostfile</code>
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<code class="bash plain">Resolving Dependencies</code>
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<code class="bash plain">--> Running transaction check</code>
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<code class="bash plain">---> Package sqlite-devel.x86_64 0:3.7.17-8.el7 will be installed</code>
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<code class="bash plain">--> Finished Dependency Resolution</code>
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<code class="bash plain">Dependencies Resolved</code>
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<code class="bash plain">=====================================================================================================================================================================================</code>
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<code class="bash spaces"> </code><code class="bash plain">Package Arch Version Repository Size</code>
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<code class="bash plain">=====================================================================================================================================================================================</code>
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<code class="bash plain">Installing:</code>
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<code class="bash spaces"> </code><code class="bash plain">sqlite-devel x86_64 3.7.17-8.el7 base 104 k</code>
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<code class="bash plain">Transaction Summary</code>
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<code class="bash plain">=====================================================================================================================================================================================</code>
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<code class="bash plain">Install 1 Package</code>
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<code class="bash plain">Total download size: 104 k</code>
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<code class="bash plain">Installed size: 366 k</code>
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<code class="bash plain">Is this ok : y</code>
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<code class="bash plain">Downloading packages:</code>
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<code class="bash plain">sqlite-devel-3.7.17-8.el7.x86_64.rpm | 104 kB 00:00:00 </code>
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<code class="bash plain">Running transaction check</code>
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<code class="bash plain">Running transaction </code><code class="bash functions">test</code>
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<code class="bash plain">Transaction </code><code class="bash functions">test</code> <code class="bash plain">succeeded</code>
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<code class="bash plain">Running transaction</code>
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<code class="bash spaces"> </code><code class="bash plain">Installing : sqlite-devel-3.7.17-8.el7.x86_64 1</code><code class="bash plain">/1</code>
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<code class="bash spaces"> </code><code class="bash plain">Verifying : sqlite-devel-3.7.17-8.el7.x86_64 1</code><code class="bash plain">/1</code>
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<code class="bash plain">Installed:</code>
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<code class="bash spaces"> </code><code class="bash plain">sqlite-devel.x86_64 0:3.7.17-8.el7 </code>
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<code class="bash plain">Complete!</code>
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<textarea></textarea>
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<p>
<span><strong>问题没有解决</strong></span></p>
<p>
重新启动ipython</p>
<p>
<code>import nltk</code></p>
<p>
但是问题依然存在，哪里出的问题呢？</p>
<p>
<span><strong>问题最终解决</strong></span></p>
<p>
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。</p>
<p>
于是，我重新编译，并且安装了一下python3。</p>
<p>
<span><strong>注意：</strong></span> 这个是在sqlite3安装成功之后，在安装python的运行环境。</p>
<p>
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。</p>
<p>
<span><strong>总结</strong></span></p>
<p>
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。</p>
<p>
原文链接：http://blog.csdn.net/blueheart20/article/details/72829675</p>
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