pip

Installation

Tutorials

• Install packages in a virtual environment using pip and venv - Python Packaging User Guide

NOTE: The following commands still require internet connection.

get-pip.py

# Latest version of python
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

# For python 2.7.x
curl https://bootstrap.pypa.io/2.7/get-pip.py -o get-pip.py

# Offline Install the pip
sudo pyhon get-pip.py

# Install pip
python3 -m pip install pip

Update the pip

pip install --upgrade pip

python3 -m pip install --upgrade pip

 

Module install

# Downloading the source files required for the module mkdocs, which requires an internet.
pip download -d <output-dir> mkdocs

# Offline install the module mkdocs
pip install <output-dir>/*.whl

Proxy server

pip install --proxy http://<usr_name>:<password>@<proxyserver_name>:<port#> <pkg_name> 

pip config set global.proxy http://account:password@xxx.com.tw:8080
pip config set global.trusted-host pypi.python.org\npypi.org\nfiles.pythonhosted.org

Command

List installed modules

sudo pip list

Upgrade module

sudo pip install --upgrade <MODULENAME>

Export the list of installed modules

pip freeze > requirements.txt

Install modules in requirements.txt

pip install -r requirements.txt

Q & A

ERROR: Could not find a version that satisfies the requirement XXXX (from versions: none)

執行 pip install XXXX 時發生上述錯誤。

Solution:

改成這個指令：python -m pip install XXXX