Python wrapper: update the README file

Signed-off-by: Mikael Bourhis <mikael.bourhis@smile.fr>

pyiec61850/README.md

@@ -1,6 +1,10 @@
-# Building
-Before building you should install swig and python.
-To build python bindings you have to turn on the BUILD\_PYTHON\_BINDINGS flag in CMake from cmake-gui or in command line:
+# Python wrapper for libIEC61850
+
+## Building
+Before building you should install SWIG and Python
+(see the '[Setup development environment on Linux](#setup-development-environment-on-linux-ubuntu)' section for help).
+
+To build the Python bindings you have to turn on the BUILD\_PYTHON\_BINDINGS flag in CMake from cmake-gui or in command line:
 ```sh
 $ mkdir build && cd build
 $ cmake -DBUILD_PYTHON_BINDINGS=ON ..
@@ -11,21 +15,23 @@ Then compile the library and install it:
 $ make
 $ sudo make install
 ```
-CMake and swig will automatically detect your python version and install the python library in python library directories.
+(Eventually, update your ld cache with: `sudo ldconfig`)
+
+CMake and SWIG will automatically detect your Python version and install the Python library in Python library directories.
 
 For running the integrated tests:
 ```sh
 $ make test
 ```
 
-pyiec61850 library is to be imported calling 
+pyiec61850 library is to be imported calling:
 ```python
 import pyiec61850 as iec61850
 ```
 
-# Client tutorial
+## Client tutorial
 
-The python bindings works similarly to the basic C library. However there are some differences:
+The Python bindings works similarly to the basic C library. However there are some differences:
 
 * a specific function is to be called to cast variables from one type to another
 * arguments passed by pointer are to be removed from arguments and append to the return list
@@ -61,3 +67,29 @@ Reading and writing operations can be performed using this syntax:
 err = iec61850.IedConnection_writeFloatValue(con, 
 	"simpleIOGenericIO/GGIO1.AnIn1.mag.f", iec61850.IEC61850_FC_MX, 10.0)
 ```
+
+## Appendix
+
+## Setup development environment on Linux Ubuntu
+
+_[Tested on Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.10]_
+
+Here the minimum required packages for compiling libiec61850 and the Python
+wrapper (without TLS, SQlite, ...):
+
+```sh
+$ sudo apt-get update
+$ sudo apt-get install g++ cmake swig git python3 python3-all-dev
+```
+
+## Setup development environment on Linux Alpine
+
+_[Tested on Alpine 3.18]_
+
+Here the minimum required packages for compiling libiec61850 and the Python
+wrapper (without TLS, SQlite, ...):
+
+```sh
+$ apk update
+$ apk add git g++ swig make cmake python3 python3-dev linux-headers
+```