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Update and harmonize python installation instructions #800

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May 6, 2024
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Update and harmonize python installation instructions #800

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38 changes: 26 additions & 12 deletions doc/setup/installing_linux_python.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -4,12 +4,31 @@ include::{root-path}_config.adoc[]
endif::[]
= Installing OSI for Python on Linux

== Installing from PyPI

Steps::

. Open a terminal.
+
. Optionally create and activate a new virtual environment.
+
----
python3 -m venv venv
source venv/bin/activate
----
+
. Install Open Simulation Interface.
+
----
pip install open-simulation-interface
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== Installing from source

*Prerequisites::

* You have installed everything described in <<top-installing-osi-prerequisits>>.
* You have installed _pip3_.
* You have installed _python-setuptools_.
* For a local installation, you have installed _virtualenv_.
* You have installed _pip_.

Steps::

Expand All @@ -26,27 +45,22 @@ git clone https://github.com/OpenSimulationInterface/open-simulation-interface.g
cd open-simulation-interface
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. Create a new virtual environment.
+
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virtualenv -p python3 venv
----
+
. Activate the virtual environment.
. Optionally create and activate a new virtual environment.
+
----
python3 -m venv venv
source venv/bin/activate
----
+
. Install Open Simulation Interface.
.. Local installation
+
----
python3 -m pip install .
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I thought you only use it with the prefix: python3 -m pip*

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Only in specific circumstances (e.g. upgrading pip in place, or where there was a multitude of python installations 2 vs 3 - also somewhat ubuntu specific); on most systems pip install is the suggested way to do stuff, and generally is e.g. the way PyPI recommends it.

Both ways work, but as there already was a mixture between the two, I picked one to stay consistent.

pip install .
----
+
.. Global installation
+
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sudo pip3 install .
sudo pip install .
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Do you really sudo?

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I don't ;), but then I never install globally anyway.

More seriously: That was part of the existing instructions, and yes, if you want the package installed globally then you likely need root permissions on most systems. On Ubuntu e.g. if you do not have root permissions, it will just install for the user.

Not that I would recommend anything like that, hence the local installation is the first suggested one.

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32 changes: 30 additions & 2 deletions doc/setup/installing_windows_python.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,27 @@ include::{root-path}_config.adoc[]
endif::[]
= Installing OSI for Python on Windows

== Installing from PyPI

Steps::

. Open a terminal.
+
. Optionally create and activate a new virtual environment.
+
----
python -m venv venv
venv\Scripts\activate
----
+
. Install Open Simulation Interface.
+
----
pip install open-simulation-interface
----

== Installing from source

Prerequisites::

* You have installed everything described in <<top-installing-osi-prerequisits>>.
Expand All @@ -25,8 +46,15 @@ git clone https://github.com/OpenSimulationInterface/open-simulation-interface.g
cd open-simulation-interface
----
+
. Run the setup script.
. Optionally create and activate a new virtual environment.
+
----
python -m venv venv
venv\Scripts\activate
----
+
. Install Open Simulation Interface.
+
----
python setup.py install
pip install .
----