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POimport Error while importing python nltk module in node.js using "python-node" module
 

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  1. POimport Error while importing python nltk module in node.js using "python-node" module
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    <p>I am trying to import python natural language processing toolkit nltk in node.js using node-python mentioned here: <a href="https://npmjs.org/package/node-python" rel="nofollow noreferrer">https://npmjs.org/package/node-python</a></p> <p>The commands i am giving are similar as mentioned on the npm module site:</p> <pre><code>var python = require('node-python'); var os = python.import('os'); </code></pre> <p>i am getting the following error:</p> <pre><code>Error: /usr/lib/python2.7/lib-dynload/datetime.so: undefined symbol: PyExc_SystemError at repl:1:25 at REPLServer.self.eval (repl.js:109:21) at rli.on.self.bufferedCmd (repl.js:258:20) at REPLServer.self.eval (repl.js:116:5) at Interface.&lt;anonymous&gt; (repl.js:248:12) at Interface.EventEmitter.emit (events.js:96:17) at Interface._onLine (readline.js:200:10) at Interface._line (readline.js:518:8) at Interface._ttyWrite (readline.js:736:14) at ReadStream.onkeypress (readline.js:97:10) </code></pre> <p>I am using python2.7.2 After much search i found that this is a known bug in python2.7 and found a similar problem when importing from <code>C</code> here is the what i found: <a href="https://stackoverflow.com/questions/11842920/undefined-symbol-pyexc-importerror-when-embedding-python-in-c">similar error found while importing python datetime module from <code>C</code></a></p> <p>The problem seems to be in the datetime.so module, i was thinking of getting the updated version of the datetime module and compiling it separately to make it work. I am still looking for that module and comple instructions. I would really appreciate If anyone has a better suggestion to resolve this or even help me locate the place to find this datetime module and its compile instructions. I really don't want to compile the whole python to make it work.</p>
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    1. CODid you try updating the datetime module? I would like to use NLTK via node as well.
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    2. CONo, apparently you have to manually compile python to make it work, and i was not ready for that, a lot of other stuff is using my current python installation. I ended up making a small web service in python itself and used it with nodejs http module. here is the final thing: http://conterface.herokuapp.com/
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