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python2.7和NLTK安装详细教程

时间:2021-04-03 00:28     来源/作者:s5plus1

本文为大家分享了python2.7和NLTK安装教程,具体内容如下

系统:Windows 7 Ultimate 64-bits

Python 2.7安装

下载Python 2.7:官网下载地址

安装

NLTK安装

1、下载NLTK,下载地址, 安装。

2、安装时会出现以下错误:Python version 2.7 required, which was not found in the registry。

解决办法:

(1)新建一个register.py文件,把以下代码粘贴进去,保存到D盘。

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# script to register Python 2.0 or later for use with win32all
# and other extensions that require Python registry settings
#
# written by Joakim Loew for Secret Labs AB / PythonWare
#
# source:
# http://www.pythonware.com/products/works/articles/regpy20.htm
#
# modified by Valentine Gogichashvili as described in http://www.mail-archive.com/distutils-sig@python.org/msg10512.html
 
import sys
 
from _winreg import *
 
# tweak as necessary
version = sys.version[:3]
installpath = sys.prefix
 
regpath = "SOFTWARE\\Python\\Pythoncore\\%s\\" % (version)
installkey = "InstallPath"
pythonkey = "PythonPath"
pythonpath = "%s;%s\\Lib\\;%s\\DLLs\\" % (
 installpath, installpath, installpath
)
 
def RegisterPy():
 try:
  reg = OpenKey(HKEY_CURRENT_USER, regpath)
 except EnvironmentError as e:
  try:
   reg = CreateKey(HKEY_CURRENT_USER, regpath)
   SetValue(reg, installkey, REG_SZ, installpath)
   SetValue(reg, pythonkey, REG_SZ, pythonpath)
   CloseKey(reg)
  except:
   print "*** Unable to register!"
   return
  print "--- Python", version, "is now registered!"
  return
 if (QueryValue(reg, installkey) == installpath and
  QueryValue(reg, pythonkey) == pythonpath):
  CloseKey(reg)
  print "=== Python", version, "is already registered!"
  return
 CloseKey(reg)
 print "*** Unable to register!"
 print "*** You probably have another Python installation!"
 
if __name__ == "__main__":
 RegisterPy()

(2)开始-运行-cmd,把D:\register.py复制进去按回车,出现Python 2.7 is already registered!则表示配置成功。

3、继续安装setuptools
4、安装Pip:开始-运行-D:\Program Files\Python\Scripts\easy_install pip
5、安装PyYAML和NLTK:开始-运行-D:\Program Files\Python\Scripts\pip install pyyaml nltk
6、测试安装:开始-所有程序-Python 2.7-IDLE(Python GUI),输入import nltk,无错误表示成功。

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。

原文链接:https://blog.csdn.net/joey_su/article/details/17287559

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