add automatic dependencies install for demonstrators

scripts/install-python-dependencies.py

@@ -2,18 +2,18 @@
 import subprocess
 
 script_dir = os.path.dirname(os.path.realpath(__file__))
-base_dir = os.path.join(script_dir, '..', 'solvers')
-
-for root, dirs, files in os.walk(base_dir):
-    # Check if 'requirements.txt' is in the current directory
-    req_file = os.path.join(root, 'requirements.txt')
-    if os.path.exists(req_file):
-        print(f"Found requirements.txt in {root}, installing dependencies...")
-        try:
-            subprocess.run(['pip', 'install', '-r', req_file], check=True) # single thread to avoid dep. errors
-        except subprocess.CalledProcessError as e:
-            print(f"Error installing requirements for {root}: {e}")
-
-
-
+base_dirs = [
+    os.path.join(script_dir, '..', 'solvers'),
+    os.path.join(script_dir, '..', 'demonstrators')
+]
 
+for base_dir in base_dirs:
+    for root, dirs, files in os.walk(base_dir):
+        # Check if 'requirements.txt' is in the current directory
+        req_file = os.path.join(root, 'requirements.txt')
+        if os.path.exists(req_file):
+            print(f"Found requirements.txt in {root}, installing dependencies...")
+            try:
+                subprocess.run(['pip', 'install', '-r', req_file], check=True) # single thread to avoid dep. errors
+            except subprocess.CalledProcessError as e:
+                print(f"Error installing requirements for {root}: {e}")