[英]Ipython is working in command prompt but not in browser
我使用的是Windows 8 64位笔记本电脑。 我已经在我的电脑上安装了python 2.7。 所以我使用easy_install安装了Ipython。 我现在可以在C:\\ Python27 \\ Scripts中看到一个ipython应用程序文件。 当我运行该文件时,它会打开我的cmd,我可以编写代码。 但是,当我说在同一文件夹下的cmd中的Ipython notebook
,它没有在浏览器中打开笔记本并出现以下错误 -
C:\Users\UserName>cd C:\Python27\Scripts\
C:\Python27\Scripts>Ipython notebook
Traceback (most recent call last):
File "C:\Python27\Scripts\ipython-script.py", line 9, in <module>
load_entry_point('ipython==1.2.0', 'console_scripts', 'ipython')()
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\__init__.p
y", line 118, in start_ipython
return launch_new_instance(argv=argv, **kwargs)
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\config\app
lication.py", line 544, in launch_instance
app.initialize(argv)
File "<string>", line 2, in initialize
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\config\app
lication.py", line 89, in catch_config_error
return method(app, *args, **kwargs)
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\terminal\i
papp.py", line 312, in initialize
super(TerminalIPythonApp, self).initialize(argv)
File "<string>", line 2, in initialize
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\config\app
lication.py", line 89, in catch_config_error
return method(app, *args, **kwargs)
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\core\appli
cation.py", line 373, in initialize
self.parse_command_line(argv)
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\terminal\i
papp.py", line 307, in parse_command_line
return super(TerminalIPythonApp, self).parse_command_line(argv)
File "<string>", line 2, in parse_command_line
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\config\app
lication.py", line 89, in catch_config_error
return method(app, *args, **kwargs)
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\config\app
lication.py", line 474, in parse_command_line
return self.initialize_subcommand(subc, subargv)
File "<string>", line 2, in initialize_subcommand
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\config\app
lication.py", line 89, in catch_config_error
return method(app, *args, **kwargs)
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\config\app
lication.py", line 405, in initialize_subcommand
subapp = import_item(subapp)
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\utils\impo
rtstring.py", line 42, in import_item
module = __import__(package, fromlist=[obj])
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\html\noteb
ookapp.py", line 36, in <module>
check_for_zmq('2.1.11', 'IPython.html')
File "C:\Python27\lib\site-packages\ipython-1.2.0-py2.7.egg\IPython\utils\zmqr
elated.py", line 37, in check_for_zmq
raise ImportError("%s requires pyzmq >= %s"%(required_by, minimum_version))
ImportError: IPython.html requires pyzmq >= 2.1.11
C:\Python27\Scripts>
确保pyzmq安装在与ipython相同的虚拟环境中(或缺少)。 对我来说,ipython笔记本是按常规安装的,但它的依赖关系已经放入了我的虚拟环境中。 在适当的地方快速安装为我修复了这个错误。
我在这里提出这个解决方案,因为错误信息是相同的,尽管场景与原始海报不同,我想。
我在虚拟盒子上的虚拟环境中运行iPython笔记本。 我认为虚拟盒子位是无关紧要的,但虚拟环境不是。 我在virtualenvironment中通过pip安装了ipython [notebook]并得到了相同的错误ImportError: IPython.html requires pyzmq >= 2.1.11
但是,我可以清楚地看到pyzmq 已经安装好了。 pip freeze
和pip install --upgrade pyzmq
显示我有最新的pyzmq版本可用,它绝对是> = 2.1.11( pip freeze|grep pyzmq
给出pyzmq==14.3.1
)。
我退出了虚拟环境,并再次检查pyzmq,发现pyzmq 只安装在virtualenv中。 这应该是它应该工作的方式,但由于某种原因,ipython正在寻找主要的python位置,而不是virtualenv的python位置。 我怀疑ipython是在虚拟环境之外安装的。 我不知道为什么pyzmq只在其中安装。 无论如何, pip install pyzmq
在我的pip install pyzmq
之外修复了一切,现在一切正常。 对不起详细的回答。
[...]你可以用pip获得IPython:
pip install ipython
或者,如果您还想获得IPython笔记本的依赖项:
pip install "ipython[notebook]"
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