pip install behind proxy

Error:

[ubuntu.sh] Installing PX4 Python3 dependencies
Looking in indexes: https://pypi.org/simple, https://pypi.ngc.nvidia.com
ERROR: Could not install packages due to an EnvironmentError: Missing dependencies for SOCKS support.

Install pysock from git

git clone https://github.com/Anorov/PySocks.git
cd PySocks
sudo python3 setup.py install

Verify installation

python3 -c "import socks; print(socks.__version__)"

New error:

[ubuntu.sh] Installing PX4 Python3 dependencies
Looking in indexes: https://pypi.org/simple, https://pypi.ngc.nvidia.com
ERROR: Exception:
blahblah
ValueError: Unable to determine SOCKS version from socks://127.0.0.1:7891/

Set proxy version to make sure the requests library uses the correct proxy URL format by explicitly defining the version of the SOCKS proxy (socks5:// or socks4://).

export http_proxy="socks5://127.0.0.1:7891"
export https_proxy="socks5://127.0.0.1:7891"

Verify

curl --proxy socks5://127.0.0.1:7891 http://www.google.com