From fe114143b8edf619b2617adb73192fffe275354f Mon Sep 17 00:00:00 2001 From: MichaelCurrin Date: Fri, 9 Aug 2024 14:32:52 +0000 Subject: [PATCH] deploy: c584b78f5750269333adf273f65753f1f99d58ad --- .../python/install/install-and-upgrade.html | 67 +++++++++++-------- .../python/install/install-and-upgrade.md | 44 +++++++----- feed.xml | 2 +- 3 files changed, 67 insertions(+), 46 deletions(-) diff --git a/cheatsheets/python/install/install-and-upgrade.html b/cheatsheets/python/install/install-and-upgrade.html index 8cb102135..686eaa61e 100644 --- a/cheatsheets/python/install/install-and-upgrade.html +++ b/cheatsheets/python/install/install-and-upgrade.html @@ -180,21 +180,21 @@

Linux

Using apt-get.

-

Latest

+

Latest for your OS

$ sudo apt-get install -y python3

Target

-
$ sudo apt-get install -y python3.7
+
$ sudo apt-get install -y python3.12
 

 
 
Non-standard

 
-
If the APT repositories don’t support the old or new version you’re after.

+
If the APT repositories don’t support an old or new version you’re after, add a custom repository as below.

 
-
Using deadsnakes PPA for Ubuntu.

+
Using deadsnakes PPA for Ubuntu:

 
 
$ sudo add-apt-repository ppa:deadsnakes/ppa
 $ sudo apt-get install -y python3.7
@@ -208,17 +208,30 @@ 
macOS

 
 
Install

 
-
Using the python@3.9 formula.

+
Install the latest:

+
+
$ brew install python
+

+
+
Install target version e.g. python@3.9 formula.

 
 
$ brew install python@3.9
 

 
-
Or for latest:

+
See Python Homebrew docs.

 
-
$ brew install python
+
Upgrade

+
+
Upgrade existing:

+
+
$ brew upgrade python
 

 
-
Upgrading

+
Or install a target version and set it as the default using Change default version.

+
+
Or install a target version and uninstall the old versions, breaking any apps and virtual environments that use them.

+
+
My experience

 
 
I had 3 versions of PY3 installed.

 
@@ -268,10 +281,8 @@ 
Upgrading

 
 
Try this to sort out the linking:

 
-
$ brew unlink python && brew link python
-

-
-
Unlinking /usr/local/Cellar/python@3.8/3.8.6... 2 symlinks removed
+
$ brew unlink python && brew link python
+Unlinking /usr/local/Cellar/python@3.8/3.8.6... 2 symlinks removed
 Linking /usr/local/Cellar/python@3.8/3.8.6...
 Error: Could not symlink bin/pip3
 Target /usr/local/bin/pip3
@@ -283,24 +294,24 @@ 
Upgrading

 
 To list all files that would be deleted:
   brew link --overwrite --dry-run python@3.8
-

+

 
 
Or

 
-
$ brew unlink python
-$ brew link python@3.9
-Warning: python@3.9 is keg-only and must be linked with --force
+
$ brew unlink python
+$ brew link python@3.9
+Warning: python@3.9 is keg-only and must be linked with --force
 
-If you need to have this software first in your PATH instead consider running:
-  echo 'export PATH="/usr/local/opt/python@3.9/bin:$PATH"' >> ~/.zshrc
-

+If you need to have this software first in your PATH instead consider running:
+  echo 'export PATH="/usr/local/opt/python@3.9/bin:$PATH"' >> ~/.zshrc
+

 
-
$ brew link python@3.9 --force
-Linking /usr/local/Cellar/python@3.9/3.9.0... 21 symlinks created
+
$ brew link python@3.9 --force
+Linking /usr/local/Cellar/python@3.9/3.9.0... 21 symlinks created
 
-If you need to have this software first in your PATH instead consider running:
-  echo 'export PATH="/usr/local/opt/python@3.9/bin:$PATH"' >> ~/.zshrc
-

+If you need to have this software first in your PATH instead consider running:
+  echo 'export PATH="/usr/local/opt/python@3.9/bin:$PATH"' >> ~/.zshrc
+

 
$ python3 -V
 Python 3.7.3
 

@@ -316,12 +327,12 @@ 
Upgrading

 
 
Also I can’t just delete the old one as it is used by other Brew packages.

 
-
$ brew uninstall python@3.8
-Error: Refusing to uninstall /usr/local/Cellar/python@3.8/3.8.6
+
$ brew uninstall python@3.8
+Error: Refusing to uninstall /usr/local/Cellar/python@3.8/3.8.6
 because it is required by ipython, libxml2 and libxmlsec1, which are currently installed.
 You can override this and force removal with:
-  brew uninstall --ignore-dependencies python@3.8
-

+  brew uninstall --ignore-dependencies python@3.8
+

 
 
Doing an install of Python 3.9 made it the default without having to update my PATH.

 
diff --git a/cheatsheets/python/install/install-and-upgrade.md b/cheatsheets/python/install/install-and-upgrade.md
index 667bc9ce2..7d84bdf8a 100644
--- a/cheatsheets/python/install/install-and-upgrade.md
+++ b/cheatsheets/python/install/install-and-upgrade.md
@@ -10,7 +10,7 @@ See more info in these gists:
 
 Using `apt-get`.
 
-### Latest
+### Latest for your OS
 
 ```sh
 $ sudo apt-get install -y python3
@@ -19,14 +19,14 @@ $ sudo apt-get install -y python3
 ### Target
 
 ```sh
-$ sudo apt-get install -y python3.7
+$ sudo apt-get install -y python3.12
 ```
 
 ### Non-standard
 
-If the APT repositories don't support the old or new version you're after.
+If the APT repositories don't support an old or new version you're after, add a custom repository as below.
 
-Using [deadsnakes PPA](https://launchpad.net/%7Edeadsnakes/+archive/ubuntu/ppa) for Ubuntu.
+Using [deadsnakes PPA](https://launchpad.net/%7Edeadsnakes/+archive/ubuntu/ppa) for Ubuntu:
 
 ```sh
 $ sudo add-apt-repository ppa:deadsnakes/ppa
@@ -44,20 +44,35 @@ Note that upgrading Python with Homebrew causes all my virtual envs to break. Us
 
 ### Install
 
-Using the [python@3.9](https://formulae.brew.sh/formula/python@3.9) formula.
+Install the latest:
+
+```sh
+$ brew install python
+```
+
+Install target version e.g. [python@3.9](https://formulae.brew.sh/formula/python@3.9) formula.
 
 ```sh
 $ brew install python@3.9
 ```
 
-Or for latest:
+See [Python Homebrew docs](https://docs.brew.sh/Homebrew-and-Python).
+
+### Upgrade
+
+Upgrade existing:
 
 ```sh
-$ brew install python
+$ brew upgrade python
 ```
 
+Or install a target version and set it as the default using [Change default version][].
+
+Or install a target version and uninstall the old versions, breaking any apps and virtual environments that use them.
 
-### Upgrading
+[Change default version]: {% link cheatsheets/python/install/change-default-version.md %}
+
+#### My experience
 
 I had 3 versions of PY3 installed.
 
@@ -79,7 +94,6 @@ python@3.8: stable 3.8.6 (bottled)
 
 Python 3.9 got installed because `sphinx-doc` has it as a dependency, but it did not replace the existing one. See notes from the output.
 
-
 ```
 ==> python@3.9
 Python has been installed as
@@ -112,11 +126,8 @@ For pkg-config to find python@3.9 you may need to set:
 
 Try this to sort out the linking:
 
-```sh
+```console
 $ brew unlink python && brew link python
-```
-
-```
 Unlinking /usr/local/Cellar/python@3.8/3.8.6... 2 symlinks removed
 Linking /usr/local/Cellar/python@3.8/3.8.6...
 Error: Could not symlink bin/pip3
@@ -133,7 +144,7 @@ To list all files that would be deleted:
 
 Or
 
-```sh
+```console
 $ brew unlink python
 $ brew link python@3.9
 Warning: python@3.9 is keg-only and must be linked with --force
@@ -142,8 +153,7 @@ If you need to have this software first in your PATH instead consider running:
   echo 'export PATH="/usr/local/opt/python@3.9/bin:$PATH"' >> ~/.zshrc
 ```
 
-
-```sh
+```console
 $ brew link python@3.9 --force
 Linking /usr/local/Cellar/python@3.9/3.9.0... 21 symlinks created
 
@@ -167,7 +177,7 @@ Then you can add this to `PATH` - `/usr/local/opt/python@3`.
 
 Also I can't just delete the old one as it is used by other Brew packages.
 
-```sh
+```console
 $ brew uninstall python@3.8
 Error: Refusing to uninstall /usr/local/Cellar/python@3.8/3.8.6
 because it is required by ipython, libxml2 and libxmlsec1, which are currently installed.
diff --git a/feed.xml b/feed.xml
index e85685e8a..51e633fa6 100644
--- a/feed.xml
+++ b/feed.xml
@@ -1 +1 @@
-Jekyll2024-08-09T14:26:30+00:00https://michaelcurrin.github.io/dev-cheatsheets/feed.xmlDev CheatsheetsA collection of code snippets and CLI guides for quick and easy reference while codingMichael Currin
\ No newline at end of file
+Jekyll2024-08-09T14:32:13+00:00https://michaelcurrin.github.io/dev-cheatsheets/feed.xmlDev CheatsheetsA collection of code snippets and CLI guides for quick and easy reference while codingMichael Currin
\ No newline at end of file