Ubuntu 12.04 中缺少 Python.h
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Python.h missing from Ubuntu 12.04
提问by liv2hak
I am very new to python.I installed an openflow controller on my Linux PC (Ubunutu 12.04) called RYU using:
我对 python 非常陌生。我在我的 Linux PC（Ubunutu 12.04）上安装了一个名为 RYU 的 openflow 控制器，使用：
sudo pip install ryu
I was trying to run a python file using ryu-manager as shown below.
我试图使用 ryu-manager 运行一个 python 文件，如下所示。
sudo ryu-manager simple_switch.py
Traceback (most recent call last):
File "/usr/local/bin/ryu-manager", line 19, in <module>
import gevent
ImportError: No module named gevent
Then I tried to install gevent using:
然后我尝试使用以下方法安装 gevent：
sudo pip install gevent
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c gevent/core.c -o build/temp.linux-x86_64-2.7/gevent/core.o
gevent/core.c:4:20: fatal error: Python.h: No such file or directory
compilation terminated.
error: command 'gcc' failed with exit status 1
What is the cause of this error? I tried to locate the Python.h file using:
这个错误的原因是什么？我尝试使用以下方法定位 Python.h 文件：
sudo locate Python.h
I couldn't find it on my system.However if I run:
我在我的系统上找不到它。但是，如果我运行：
python -V
I get the output:
我得到输出：
Python 2.7.3
Should Python.h be there on the system? If so, what should I install to get it?
系统上应该有 Python.h 吗？如果是这样，我应该安装什么才能得到它？
采纳答案by NPE
This should do it:
这应该这样做：
sudo apt-get update; sudo apt-get install python-dev -y
sudo apt-get update; sudo apt-get install python-dev -y
It will install any missing headers. It helped me a lot.
它将安装任何丢失的标头。这对我帮助很大。
回答by Burhan Khalid
Install geventdirectly - sudo apt-get install python-gevent.
gevent直接安装- sudo apt-get install python-gevent.
回答by NPE
Even if you have Python installed, the header file and the library usually aren't installed by default. On Ubuntu, they come in a separate package called python-dev.
即使您安装了 Python，默认情况下通常也不会安装头文件和库。在 Ubuntu 上，它们包含在一个名为python-dev.
