我已经三天在办公桌前敲打头了,我不确定该怎么办,所以,如果您对发生的事情有任何了解,请告诉我。
问题::当我运行全局安装(在虚拟环境外部)的jupyter笔记本时,其注册内核(虚拟环境中安装的ipykernel)在其中,虚拟环境的python3 -V是3.6.4并且全局python3 -V为3.7.0,当我激活venv内核时,jupyter笔记本(从活动的venv运行)崩溃,因为它试图从全局python 3.7.0中获取站点软件包。 / p>
[I 11:11:13.221 NotebookApp] Serving notebooks from local directory: /Users/cap/Desktop/Projects/lastresort
[I 11:11:13.221 NotebookApp] 0 active kernels
[I 11:11:13.221 NotebookApp] The Jupyter Notebook is running at:
[I 11:11:13.221 NotebookApp] http://localhost:8888/?token=cc92b513df1e586ce592bfc4fe641b9f2d76fdde480c6f07
[I 11:11:13.221 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 11:11:13.222 NotebookApp]
Copy/paste this URL into your browser when you connect for the first time,
to login with a token:
http://localhost:8888/?token=cc92b513df1e586ce592bfc4fe641b9f2d76fdde480c6f07&token=cc92b513df1e586ce592bfc4fe641b9f2d76fdde480c6f07
[I 11:11:13.438 NotebookApp] Accepting one-time-token-authenticated connection from ::1
[I 11:11:16.385 NotebookApp] Kernel started: 2ad09f31-36f6-48cf-b859-7f78fdb6adb8
[I 11:11:17.014 NotebookApp] Adapting to protocol v5.1 for kernel 2ad09f31-36f6-48cf-b859-7f78fdb6adb8
[I 11:11:19.398 NotebookApp] Starting buffering for 2ad09f31-36f6-48cf-b859-7f78fdb6adb8:cda1e6c165f3482482d80df7d2664e9b
[I 11:11:19.609 NotebookApp] Kernel shutdown: 2ad09f31-36f6-48cf-b859-7f78fdb6adb8
[I 11:11:19.630 NotebookApp] Kernel started: 9b90f202-97bf-43b1-ba50-64d6a1323405
Traceback (most recent call last):
File "/Users/cap/.pyenv/versions/3.6.4/lib/python3.6/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/Users/cap/.pyenv/versions/3.6.4/lib/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/lib/python3.7/site-packages/ipykernel_launcher.py", line 15, in <module>
from ipykernel import kernelapp as app
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/lib/python3.7/site-packages/ipykernel/__init__.py", line 2, in <module>
from .connect import *
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/lib/python3.7/site-packages/ipykernel/connect.py", line 18, in <module>
import jupyter_client
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/lib/python3.7/site-packages/jupyter_client/__init__.py", line 4, in <module>
from .connect import *
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/lib/python3.7/site-packages/jupyter_client/connect.py", line 23, in <module>
import zmq
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/vendor/lib/python3.7/site-packages/zmq/__init__.py", line 47, in <module>
from zmq import backend
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/vendor/lib/python3.7/site-packages/zmq/backend/__init__.py", line 40, in <module>
reraise(*exc_info)
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/vendor/lib/python3.7/site-packages/zmq/utils/sixcerpt.py", line 34, in reraise
raise value
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/vendor/lib/python3.7/site-packages/zmq/backend/__init__.py", line 27, in <module>
_ns = select_backend(first)
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/vendor/lib/python3.7/site-packages/zmq/backend/select.py", line 26, in select_backend
mod = __import__(name, fromlist=public_api)
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/vendor/lib/python3.7/site-packages/zmq/backend/cython/__init__.py", line 6, in <module>
from . import (constants, error, message, context,
ImportError: cannot import name 'constants'
从上面几行中可以看到,它调用了错误的站点程序包:
Traceback (most recent call last):
File "/Users/cap/.pyenv/versions/3.6.4/lib/python3.6/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/Users/cap/.pyenv/versions/3.6.4/lib/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/lib/python3.7/site-packages/ipykernel_launcher.py", line 15, in <module>
from ipykernel import kernelapp as app
File "/usr/local/Cellar/jupyter/1.0.0_5/libexec/lib/python3.7/site-packages/ipykernel/__init__.py", line 2, in <module>
这是我的设置:
我如何设置:
安装全局python(我不喜欢将pyenv用作我的默认python,我保持最新版本)
> brew install python3 # This install 3.7.0
安装pyenv
> brew install pyenv
安装python 3.6.4(我需要这个用于tensorflow)
> pyenv install 3.6.4
安装pipenv(我在这里不使用pip安装程序)
> brew install pipenv
创建一个项目(我有一个WORKON_HOME设置,所以我的.venvs 在我的〜/ .venvs中创建)
> cd Projects
> mkdire test_project
> cd test_project
> pipenv --python 3.6.4 #create the virtual env
启动虚拟环境
> pipenv shell
> python3 -V
> Python 3.6.4 # I have validated in another shell that global is still 3.7
> pyenv which python3
> /Users/cap/.pyenv/versions/3.6.4/bin/python3
安装ipykernel并进行设置
> pipenv install ipykernel
> ipython kernel install --user --name=lastresort-yyl8tfk8 --display-name "Python (lastresort-yyl8tfk8)"
检查jupyter是否看到新内核(注意:我仍然在venv中)
> jupyter kernelspec list
> lastresort-yyl8tfk8 /Users/cap/Library/Jupyter/kernels/lastresort-yyl8tfk8
运行jupyter笔记本并选择内核
jotebook运行正常,但是当我进入并选择Python(lastresort-yyl8tfk8)时,内核重新启动以加载lastresort-yyl8tfk8内核,并且从上面得到了错误,该错误与3.7中的站点程序包混淆了。
我尝试了一堆带有路径的东西。我什至还对ipython配置文件进行了更改,例如:iptyhon profile virtual env
至少在如何解决此问题的方向上,我真的需要一些帮助。
我的最终目标很简单:
在具有jupyter安装是全局的jupyter注册它们之后,能够具有对应版本的ipykernels的多个版本的python,我可以从它们的虚拟环境中运行它们。这样,我可以将代码和笔记本通过venvs保留在其项目文件夹中。实际上,这很简单,我只是不知道自己在搞什么。
谢谢大家!
更新: 我刚刚验证了一下,如果我删除了全球jupyter笔记本并将其安装在venv中,它将正常工作。我没想到不是,但是仍然如此。
更新: 似乎有些PYTHONPATH恶作剧,但我不知道如何解决。
更新: 尝试按照注释中的建议使用python -m运行,但是产生了相同的结果。出于某些原因,当我使用已激活的虚拟环境(在ipython中正确设置了python3.6)调用jupyter笔记本(安装在虚拟环境外部)时,不会调用正确的3.6网站程序包。
我已经看到很多人使用该设置。我真的不知道从这里去哪里。
答案 0 :(得分:0)
对我来说,它可以通过以下命令在jupyter
创建的虚拟环境中安装pipenv
:
pipenv run pip install jupyter
我在使用python 3版本时遇到了同样的问题,因此我开始使用pipenv
,如所示,它具有一个简单的Pipfile
配置,如下所示:
[[source]]
name = "pypi"
url = "https://pypi.org/simple"
verify_ssl = true
[dev-packages]
[packages]
numpy = "*"
pandas = "*"
matplotlib = "*"
[requires]
python_version = "3.7"
我认为,当我在该配置文件中将python版本指定为3.7时,只要我想运行pipenv run jupyter notebook
,内核就会在Python 3.7下运行...
但是,当导入时,笔记本中的库文件会显示在库中:
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
我收到“未安装模块错误”
ModuleNotFoundError: No module named 'matplotlib'
然后在同一笔记本中,我使用以下代码检查了内核在哪个版本中运行:
import sys
print(sys.version)
输出显示我正在Python 3.6下运行,因此在该版本中我没有安装那些模块,因为pipenv
将它们安装为3.7版本。
因此,我尝试再次安装jupyter,但是这次是在pipenv
创建的虚拟环境下,使用run
命令和pip
工具:
pipenv run pip install jupyter
对我有用!
答案 1 :(得分:0)
要从任意路径运行pipenv
时使用Pipfile
,请在~/.bashrc
和~/.profile
中添加以下env变量:< / p>
export PIPENV_PIPFILE="<path_to_the_Pipefile_you_want>"
否则,pipenv
将尝试在运行路径中使用Pipefile
。