Package installation
$ pip install <package-name>I’ll never forget this, but somehow.
Package versioned installation
$ pip install <package-name>==<version>Check pip dependencies
$ pip check
No broken requirements found.* If there is no problem, it will be displayed as above.
If there is a problem with the dependency, it looks like this.
wagtail 2.6.1 has requirement django-modelcluster<5.0,>=4.2, but you have django-modelcluster 5.0.View full list of packages
$ pip list
Package Version
-------------------------------- ---------
altgraph 0.16.1
beautifulsoup4 4.6.0
bottle 0.12.17
certifi 2019.6.16
chardet 3.0.4
coverage 4.5.4
Django 2.2.7
django-admin-rangefilter 0.5.1
django-bootstrap-datepicker-plus 3.0.5
django-modelcluster 4.4
django-taggit 0.24.0
django-treebeard 4.3
djangorestframework 3.10.2
draftjs-exporter 2.1.6
future 0.17.1
html5lib 1.0.1
idna 2.8
numpy 1.16.4
pefile 2019.4.18
Pillow 6.1.0
pip 19.3.1
pycodestyle 2.5.0
PyInstaller 3.5
pytz 2019.1
pywin32-ctypes 0.2.0
pyxel 1.2.6
requests 2.22.0
Rx 3.0.0b4
setuptools 40.8.0
six 1.12.0
sqlparse 0.3.0
Unidecode 1.1.1
urllib3 1.25.3
wagtail 2.6.3
webencodings 0.5.1
Willow 1.1List of packages that need to be updated (this is useful)
$ pip list -o
Package Version Latest Type
------------------- --------- --------- -----
beautifulsoup4 4.6.0 4.8.1 wheel
certifi 2019.6.16 2019.9.11 wheel
django-modelcluster 4.4 5.0 wheel
django-taggit 0.24.0 1.1.0 wheel
djangorestframework 3.10.2 3.10.3 wheel
draftjs-exporter 2.1.6 2.1.7 sdist
future 0.17.1 0.18.2 sdist
numpy 1.16.4 1.17.3 wheel
Pillow 6.1.0 6.2.1 wheel
pytz 2019.1 2019.3 wheel
pyxel 1.2.6 1.2.8 wheel
Rx 3.0.0b4 3.0.1 wheel
setuptools 40.8.0 41.6.0 wheel
six 1.12.0 1.13.0 wheel
urllib3 1.25.3 1.25.6 wheel
Willow 1.1 1.3 wheelShow only the latest status packages (those that do not require update)
$ pip list -u
Package Version
-------------------------------- ---------
altgraph 0.16.1
bottle 0.12.17
chardet 3.0.4
coverage 4.5.4
Django 2.2.7
django-admin-rangefilter 0.5.1
django-bootstrap-datepicker-plus 3.0.5
django-treebeard 4.3
html5lib 1.0.1
idna 2.8
pefile 2019.4.18
pip 19.3.1
pycodestyle 2.5.0
PyInstaller 3.5
pywin32-ctypes 0.2.0
requests 2.22.0
sqlparse 0.3.0
Unidecode 1.1.1
wagtail 2.6.3
webencodings 0.5.1Show packages by package name == version
$ pip freeze
altgraph==0.16.1
beautifulsoup4==4.6.0
bottle==0.12.17
certifi==2019.6.16
chardet==3.0.4
coverage==4.5.4
Django==2.2.7
django-admin-rangefilter==0.5.1
django-bootstrap-datepicker-plus==3.0.5
django-modelcluster==4.4
django-taggit==0.24.0
django-treebeard==4.3
djangorestframework==3.10.2
draftjs-exporter==2.1.6
future==0.17.1
html5lib==1.0.1
idna==2.8
numpy==1.16.4
pefile==2019.4.18
Pillow==6.1.0
pycodestyle==2.5.0
PyInstaller==3.5
pytz==2019.1
pywin32-ctypes==0.2.0
pyxel==1.2.6
requests==2.22.0
Rx==3.0.0b4
six==1.12.0
sqlparse==0.3.0
Unidecode==1.1.1
urllib3==1.25.3
wagtail==2.6.3
webencodings==0.5.1
Willow==1.1Convenient to use when outputting to requirements.txt
$ pip freeze > requirements.txtPackage update
$ pip install -U <package-name>Update pip itself
$ pip install -U pip
Collecting pip
Downloading https://files.pythonhosted.org/packages/c2/d7/90f34cb0d83a6c5631cf71dfe64cc1054598c843a92b400e55675cc2ac37/pip-18.1-py2.py3-none-any.whl (1.3MB)
100% |████████████████████████████████| 1.3MB 706kB/s
Installing collected packages: pip
Found existing installation: pip 18.0
Uninstalling pip-18.0:
Successfully uninstalled pip-18.0
Successfully installed pip-18.1Bulk installation with requirements.txt
$ pip install -r requirements.txtUninstall a package
$ pip uninstall <package-name>Check the details of each package (version, installation location, etc.)
$ pip show <package-name>Example)
$ pip show bottle
Name: bottle
Version: 0.12.17
Summary: Fast and simple WSGI-framework for small web-applications.
Home-page: http://bottlepy.org/
Author: Marcel Hellkamp
Author-email: marc@gsites.de
License: MIT
Location: c:\users\[username]\appdata\local\programs\python\python37-32\lib\site-packages
Requires:
Required-by: