Enhance installation instructions and add run script for exercise 9

Author: Denis Jelovina

beamer-tutorial.tex

@@ -1020,12 +1020,16 @@ \subsection{5) Interoperability with existing code: Transition Paths \& Python}
 
 \href{https://pypi.org/project/alp-graphblas/}{PyPI project: alp-graphblas}
 
-Install with:
+Install from public PyPI repository:
 \begin{lstlisting}[style=terminal,language=bash]
-conda activate py311 # make sure to have > python3.11 version 
 pip install "alp-graphblas"
 \end{lstlisting}
 
+For offline installation, download the wheel file from PyPI and install from the file.
+Example, this scripts created a temp conda env, installs pyalp, runs the scripts and cleans up:
+\textbf{solutions/ex9/run.sh}
+use this script to run the examples in an isolated environment with proper python version. 
+
 \begin{lstlisting}[language=Python, basicstyle=\ttfamily\tiny, frame=single, showstringspaces=false]
 import numpy as np
 N, M = 5, 5

exercises/ex9/run.sh

@@ -0,0 +1,44 @@
+# -------------------------------
+# CONFIGURATION
+# -------------------------------
+BASE_ENV="py311"
+WHEEL_DIR="$HOME/download"
+SCRIPT_PATH="$HOME/download/GitHub/ALP-Tutorial/exercises/ex9/exercise9_starter.py"
+PKG_NAME="alp_graphblas"
+
+# -------------------------------
+# CREATE UNIQUE TEMP ENV NAME
+# -------------------------------
+RAND_SUFFIX=$(tr -dc 'a-z0-9' < /dev/urandom | head -c 6)
+TMP_ENV="tmp_env_${RAND_SUFFIX}"
+
+echo ">>> Creating temporary environment: $TMP_ENV"
+
+# -------------------------------
+# CLONE BASE ENV
+# -------------------------------
+conda create --name "$TMP_ENV" --clone "$BASE_ENV" -y
+
+# -------------------------------
+# ACTIVATE TEMP ENV AND INSTALL WHEEL
+# -------------------------------
+source "$(conda info --base)/etc/profile.d/conda.sh"
+conda activate "$TMP_ENV"
+
+echo ">>> Installing wheel $PKG_NAME from $WHEEL_DIR"
+pip install --no-index --find-links "$WHEEL_DIR" "$PKG_NAME"
+
+# -------------------------------
+# RUN SCRIPT
+# -------------------------------
+echo ">>> Running script: $SCRIPT_PATH"
+python3 "$SCRIPT_PATH"
+
+# -------------------------------
+# CLEAN UP
+# -------------------------------
+echo ">>> Deactivating and deleting temporary environment: $TMP_ENV"
+conda deactivate
+conda remove -y --name "$TMP_ENV" --all
+
+echo ">>> Done."