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我正在尝试按照官方说明（https://wiki.gnuradio.org/index.php/InstallingGR）在我的 Ubuntu 19.10 上手动安装 GNU Radio

当我尝试运行 GNU Radio 时，会弹出此错误：

python路径环境变量设置是否正确？所有操作系统：PYTHONPATH

库路径环境变量是否设置正确？Linux：LD_LIBRARY_PATH Windows：PATH MacOSX：DYLD_LIBRARY_PATH

没有名为“gnuradio”的模块

我在 Stackoverflow 上查看了关于这个问题的类似帖子，但仍然无法修复。

如何根据以下当前参数正确设置变量？

galib@galib-Lenovo-Y50-70:~$ python --version

Python 3.7.5


galib@galib-Lenovo-Y50-70:~$ echo $PYTHONPATH

:/lib/python3.7/dist-packages


galib@galib-Lenovo-Y50-70:~$ echo $LD_LIBRARY_PATH

/opt/qt/lib:/usr/local/lib::/home/galib/miniconda3/envs/dsp/lib


galib@galib-Lenovo-Y50-70:~$ which python

/usr/bin/python


galib@galib-Lenovo-Y50-70:~$ gnuradio-config-info -v
3.8.1.0
galib@galib-Lenovo-Y50-70:~$ gnuradio-config-info --prefix
/usr/local


galib@galib-Lenovo-Y50-70:~$ find /usr/local -name gnuradio | grep "packages"
/usr/local/lib/python3/dist-packages/gnuradio


galib@galib-Lenovo-Y50-70:~$ whereis python

python: /usr/bin/python3.7 /usr/bin/python3.7-config /usr/bin/python /usr/bin/python2.7-config /usr/bin/python2.7 /usr/bin/python3.7m-config /usr/bin/python3.7m /usr/lib/python3.7 /usr/lib/python3.6 /usr/lib/python3.8 /usr/lib/python2.7 /etc/python3.7 /etc/python /etc/python2.7 /usr/local/lib/python3.7 /usr/local/lib/python2.7 /usr/include/python3.7 /usr/include/python2.7 /usr/include/python3.7m /usr/share/python /usr/share/man/man1/python.1.gz
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1 回答 1

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galib@galib-Lenovo-Y50-70:~$ find /usr/local -name gnuradio | grep "packages"
/usr/local/lib/python3/dist-packages/gnuradio

您需要添加/usr/local/lib/python3/dist-packages到PYTHONPATH环境变量，因为此目录不在默认的 python 搜索路径中（sys.path）

打开一个新终端并执行以下命令

export PYTHONPATH=/usr/local/lib/python3/dist-packages:$PYTHONPATH
gnuradio-companion

要使此更改永久生效，您可以将导出行添加到~/.profile文件中。另请参阅Module Not Found Error。

于 2020-03-21T20:54:30.967 回答