[初心者向け]Pythonライブラリのインストール方法

pip install [ライブラリ名]

$ pip install numpy
Defaulting to user installation because normal site-packages is not writeable
Collecting numpy
  Downloading numpy-2.0.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl (13.9 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 13.9/13.9 MB 1.6 MB/s eta 0:00:00
Installing collected packages: numpy
  WARNING: The scripts f2py and numpy-config are installed in '/home/user/.local/bin' which is not on PATH.
  Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Successfully installed numpy-2.0.1

pip list

$ pip list
Package               Version
--------------------- ----------------
apturl                0.5.2
ayatana-settings      21.1.28
bcrypt                3.2.0
blinker               1.4
Brlapi                0.8.3
cajarename            21.11.24
chardet               4.0.0
click                 8.0.3
colorama              0.4.4
command-not-found     0.3
cryptography          3.4.8
cupshelpers           1.0
dbus-python           1.2.18
defer                 1.0.6
deja-dup-caja         0.0.9
distro                1.7.0
distro-info           1.1+ubuntu0.2
duplicity             0.8.21
fasteners             0.14.1
folder-color-caja     0.0.86
folder-color-common   0.0.86
future                0.18.2
gpg                   1.16.0
httplib2              0.20.2
importlib-metadata    4.6.4
jeepney               0.7.1
keyring               23.5.0
language-selector     0.1
launchpadlib          1.10.16
lazr.restfulclient    0.14.4
lazr.uri              1.0.6
lockfile              0.12.2
louis                 3.20.0
Magnus                1.0.3
Mako                  1.1.3
MarkupSafe            2.0.1
mate-hud              22.4.4
mate-tweak            22.4.8
monotonic             1.6
more-itertools        8.10.0
netifaces             0.11.0
numpy                 2.0.1
oauthlib              3.2.0
olefile               0.46
onboard               1.4.1
paramiko              2.9.3
pexpect               4.8.0
Pillow                9.0.1
pip                   22.0.2
psutil                5.9.0
ptyprocess            0.7.0
pulsemixer            1.5.1
pycairo               1.20.1
pycryptodomex         3.11.0
pycups                2.0.1
pygame                2.5.2
PyGObject             3.42.1
PyJWT                 2.3.0
PyNaCl                1.5.0
pyparsing             2.4.7
python-apt            2.4.0+ubuntu3
python-dateutil       2.8.1
python-debian         0.1.43+ubuntu1.1
python-xlib           0.29
pyxattr               0.7.2
pyxdg                 0.27
PyYAML                5.4.1
reportlab             3.6.8
SecretStorage         3.3.1
setproctitle          1.2.2
setuptools            59.6.0
six                   1.16.0
systemd-python        234
ubuntu-drivers-common 0.0.0
ubuntu-pro-client     8001
ufw                   0.36.1
unattended-upgrades   0.1
urllib3               1.26.5
wadllib               1.3.6
wheel                 0.37.1
xdg                   5
xkit                  0.0.0
youtube-dl            2021.12.17
zipp                  1.0.0

pip install --upgrade [ライブラリ名]

$ pip install --upgrade numpy
Defaulting to user installation because normal site-packages is not writeable
Requirement already satisfied: numpy in ./.local/lib/python3.10/site-packages (2.0.1)

pip uninstall [ライブラリ名]

$ pip uninstall numpy
Found existing installation: numpy 2.0.1
Uninstalling numpy-2.0.1:
  Would remove:
    /home/user/.local/bin/f2py
    /home/user/.local/bin/numpy-config
    /home/user/.local/lib/python3.10/site-packages/numpy-2.0.1.dist-info/*
    /home/user/.local/lib/python3.10/site-packages/numpy.libs/libgfortran-daac5196-038a5e3c.so.5.0.0
    /home/user/.local/lib/python3.10/site-packages/numpy.libs/libscipy_openblas64_-3ca770d1.so
    /home/user/.local/lib/python3.10/site-packages/numpy/*
Proceed (Y/n)? Y
  Successfully uninstalled numpy-2.0.1