pip is a Python package management tool that provides the ability to find, download, install, and uninstall Python packages.
pip detection update
Command: pip list -outdated
pip upgrade package
Command: pip install --upgrade packagename
pip uninstall package
Command: pip uninstall packagename
pip -i and -U parameters
Example:
pip install -i /simple -U funcat
-i: Specify the source of the library installation-U:Upgrade The installed package will not install the new version without U, but will be updated to the latest version with U.
In case of anaconda you can refer to the following command
anaconda usage:
View installed packages:
pip list orconda list
Installation and updates:
pip install requests
pip install requests --upgrade
or
conda install requests
conda update requests
Update all libraries
conda update --all
Update conda self
conda update conda
Update anaconda self
conda update anaconda
anaconda for source:
Developing the source of Tsinghua: for the time being, it has not been able to use the speed given by the official now can also be used
conda config --add channels /anaconda/pkgs/free/
There are resources to display the source address:
conda config --set show_channel_urls yes
Currently, if you are downloading the latest version of the installer, it comes with the tool already.
Python 2.7.9+ or Python 3.4+ comes with the pip utility.
pip official website:/project/pip/
You can determine if it is installed by using the following command:
pip --version
If you have not already done so, then you can use the following method to install it:
$ curl / -o # Download the installation scripts
$ sudo python # Run the installation scripts
Note: pip is associated with whichever version of Python is used to run the install script, or in the case of Python3, the following command:
$ sudo python3 # Run the installation script.
In general pip corresponds to Python 2.7 and pip3 to Python.
Some Linux distributions can install pip directly with a package manager, such as Debian and Ubuntu:
sudo apt-get install python-pip
The most common commands for pip
Show version and path
pip --version
Getting Help
pip --help
Upgrade pip
pip install -U pip
If there is a problem with this upgrade command , you can use the following command:
sudo easy_install --upgrade pip
installer
pip install SomePackage # latest version
pip install SomePackage==1.0.4 # Specify version
pip install 'SomePackage>=1.0.4' # Minimum Version
For example, if I want to install Django, I'll use one of the following commands, which is quick and easy to use.
pip install Django==1.7
upgrade pack
pip install --upgrade SomePackage
Upgrade the specified package by specifying a version number using ==, >=, <=, >, <.
uninstallation package
pip uninstall SomePackage
search pack
pip search SomePackage
Displaying installation package information
pip show
View the details of a specified package
pip show -f SomePackage
List installed packages
pip list
View upgradable packages
pip list -o
caveat
If pip is available for both Python2 and Python3, it is used as follows:
Python2：
python2 -m pip install XXX
Python3:
python3 -m pip install XXX