Python Packaging Authority - pip
The Python Packaging Authority (PyPA) is a working group that maintains many of the relevant projects in Python packaging.
https://www.pypa.io/en/latest/
Reference Guide
https://pip.pypa.io/en/stable/reference/
pip -V / pip --version
Show version and exit.
https://pip.pypa.io/en/stable/reference/pip/
pip list
List installed packages. List installed packages, including editables.
https://pip.pypa.io/en/stable/reference/pip_list/
pip show + package
Show information about one or more installed packages.
https://pip.pypa.io/en/stable/reference/pip_show/
pip uninstall + package
Uninstall packages.
https://pip.pypa.io/en/stable/reference/pip_uninstall/
pip install
Install SomePackage and its dependencies from PyPI using Requirement Specifiers
https://pip.pypa.io/en/stable/reference/pip_install/
$ pip install SomePackage # latest version
$ pip install SomePackage==1.0.4 # specific version
$ pip install 'SomePackage>=1.0.4' # minimum version
Install a list of requirements specified in a file. See the Requirements files.
https://pip.pypa.io/en/stable/user_guide/#requirements-files
$ pip install -r requirements.txt
Upgrade an already installed SomePackage to the latest from PyPI.
$ pip install --upgrade SomePackage
Install a particular source archive file.
$ pip install ./downloads/SomePackage-1.0.4.tar.gz
$ pip install http://my.package.repo/SomePackage-1.0.4.zip
strong@foreverstrong:~$ pip -V
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/__init__.py:83: RequestsDependencyWarning: Old version of cryptography ([1, 2, 3]) may cause slowdown.
warnings.warn(warning, RequestsDependencyWarning)
pip 18.0 from /usr/local/lib/python2.7/dist-packages/pip (python 2.7)
strong@foreverstrong:~$
strong@foreverstrong:~$ pip --version
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/__init__.py:83: RequestsDependencyWarning: Old version of cryptography ([1, 2, 3]) may cause slowdown.
warnings.warn(warning, RequestsDependencyWarning)
pip 18.0 from /usr/local/lib/python2.7/dist-packages/pip (python 2.7)
strong@foreverstrong:~$
strong@foreverstrong:~$ pip list
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/__init__.py:83: RequestsDependencyWarning: Old version of cryptography ([1, 2, 3]) may cause slowdown.
warnings.warn(warning, RequestsDependencyWarning)
Package Version
---------------------------------- -----------
adium-theme-ubuntu 0.3.4
attrs 15.2.0
autobahn 0.10.3
backports-abc 0.5
backports.functools-lru-cache 1.4
backports.shutil-get-terminal-size 1.0.0
backports.weakref 1.0rc1
bleach 1.5.0
colour 0.1.5
configparser 3.5.0
cryptography 1.2.3
cycler 0.10.0
Cython 0.28.2
decorator 4.1.2
descartes 1.1.0
entrypoints 0.2.3
enum34 1.1.6
funcsigs 1.0.2
functools32 3.2.3.post2
futures 3.0.5
goto 1.0
heatmap 2.2.1
hmmlearn 0.2.0
html5lib 0.9999999
idna 2.0
imutils 0.4.6
ipaddress 1.0.16
ipykernel 4.8.2
ipython 5.7.0
ipython-genutils 0.2.0
ipywidgets 7.2.1
Jinja2 2.10
joblib 0.9.4
jsonschema 2.6.0
jupyter 1.0.0
jupyter-client 5.2.3
jupyter-console 5.2.0
jupyter-core 4.4.0
lxml 4.2.3
lz4 0.7.0
Markdown 2.6.9
MarkupSafe 1.0
matplotlib 2.1.1
meld 3.14.2
mistune 0.8.3
mock 2.0.0
mpi4py 1.3.1
msgpack-python 0.4.6
mvnc 1.11.0.2
nbconvert 5.3.1
nbformat 4.4.0
networkx 2.0
nose 1.3.7
notebook 5.5.0
numpy 1.13.3
olefile 0.44
PAM 0.4.2
pandocfilters 1.4.2
pathlib2 2.3.2
pbr 3.1.1
pexpect 4.6.0
pickleshare 0.7.4
Pillow 4.3.0
pip 18.0
poster 0.8.1
prompt-toolkit 1.0.15
protobuf 3.4.0
psutil 5.4.0
ptyprocess 0.5.2
pyasn1 0.1.9
pyasn1-modules 0.0.7
Pygments 2.2.0
pygobject 3.20.0
pyOpenSSL 0.15.1
pyparsing 2.2.0
pyserial 3.0.1
Pyste 0.9.10
python-dateutil 2.6.1
python-snappy 0.5
pytz 2017.3
PyWavelets 0.5.2
pyzmq 17.0.0
qtconsole 4.3.1
scandir 1.7
scikit-image 0.13.1
scikit-learn 0.19.1
scipy 1.0.0
Send2Trash 1.5.0
service-identity 16.0.0
setuptools 36.6.0
Shapely 1.6.4.post1
simplegeneric 0.8.1
simplejson 3.8.1
singledispatch 3.4.0.3
six 1.11.0
subprocess32 3.2.7
tensorflow-gpu 1.3.0
tensorflow-tensorboard 0.1.8
terminado 0.8.1
testpath 0.3.1
tornado 5.0.2
traitlets 4.3.2
trollius 2.0.1
Twisted 16.0.0
txaio 1.0.0
unity-lens-photos 1.0
virtualenv 15.1.0
wcwidth 0.1.7
Werkzeug 0.12.2
wheel 0.30.0
widgetsnbextension 3.2.1
zope.interface 4.1.3
You are using pip version 18.0, however version 18.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
strong@foreverstrong:~$
strong@foreverstrong:~$ pip show hmmlearn
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/__init__.py:83: RequestsDependencyWarning: Old version of cryptography ([1, 2, 3]) may cause slowdown.
warnings.warn(warning, RequestsDependencyWarning)
Name: hmmlearn
Version: 0.2.0
Summary: Hidden Markov Models in Python with scikit-learn like API
Home-page: https://github.com/hmmlearn/hmmlearn
Author: Sergei Lebedev
Author-email: [email protected]
License: new BSD
Location: /home/strong/.local/lib/python2.7/site-packages
Requires:
Required-by:
You are using pip version 18.0, however version 18.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
strong@foreverstrong:~$