使用conda 4.3.21为python 3.6安装pybox2d [英] Install pybox2d for python 3.6 with conda 4.3.21

问题描述

我想和OpenAI健身房的月球着陆器一起玩.

为了运行此代码，我需要安装Box2d，这是我出现问题的地方. 我正在使用conda 4.3.21和python 3.6的ubuntu 16.04. 当我尝试运行环境时，收到错误消息:ModuleNotFoundError:没有名为"_Box2D"的模块

所以我尝试直接安装pybox2d: https://github.com/pybox2d/pybox2d/blob/master/INSTALL.md 产生相同的错误信息.

然后，我尝试按照 https://github.com/中概述的方法从GitHub安装cbfinn/gps/issues/34

$git clone https://github.com/pybox2d/pybox2d pybox2d_dev
$cd pybox2d_dev
$python setup.py build 
$sudo python setup.py install

如果我运行此命令(在具有python 3的根环境或使用python 3另一个新创建的环境中)，则会得到结果:

大量处理日志 处理Box2D-2.3.2-py2.7-linux-x86_64.egg 创建/usr/local/lib/python2.7/dist-packages/Box2D-2.3.2-py2.7-linux-x86_64.egg 将Box2D-2.3.2-py2.7-linux-x86_64.egg提取到/usr/local/lib/python2.7/dist-packages 将Box2D 2.3.2添加到easy-install.pth文件

已安装/usr/local/lib/python2.7/dist-packages/Box2D-2.3.2-py2.7-linux-x86_64.egg Box2D的处理依赖关系== 2.3.2 Box2D == 2.3.2

的已完成处理依赖性

因此，尽管pybox2d处于python 3 conda环境中，但仍将其安装到ubuntu的标准python 2的lib中.

所以，我正在寻找使用conda 4.3.21为python 3安装pybox2d软件包的方法

解决方案

从pip安装Box2D导致我遇到了https://github.com/pybox2d/pybox2d/blob/master/INSTALL.md which yielded the same error message.

Then I tried to install from GitHub following the way outlined in https://github.com/cbfinn/gps/issues/34

$git clone https://github.com/pybox2d/pybox2d pybox2d_dev
$cd pybox2d_dev
$python setup.py build 
$sudo python setup.py install

If I run this (in root environment which has python 3 or another new created environment with python 3) i get the result:

a lot of processing logs Processing Box2D-2.3.2-py2.7-linux-x86_64.egg creating /usr/local/lib/python2.7/dist-packages/Box2D-2.3.2-py2.7-linux-x86_64.egg Extracting Box2D-2.3.2-py2.7-linux-x86_64.egg to /usr/local/lib/python2.7/dist-packages Adding Box2D 2.3.2 to easy-install.pth file

Installed /usr/local/lib/python2.7/dist-packages/Box2D-2.3.2-py2.7-linux-x86_64.egg Processing dependencies for Box2D==2.3.2 Finished processing dependencies for Box2D==2.3.2

So pybox2d is installed into the lib of the standard python 2 of ubuntu despite being in a python 3 conda environment.

So, I am looking for ways to install the pybox2d package for python 3 with conda 4.3.21

解决方案

Installing Box2D from pip led me to the error described here when I tried to import it. Here's what worked for me on Python 3.6, as suggested in that GitHub issue:

conda install swig # needed to build Box2D in the pip install
pip install box2d-py # a repackaged version of pybox2d

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