fix(setup): Add twilio and nexmo as optional dependency

phone_verify/backends/__init__.py

@@ -12,11 +12,23 @@ def get_sms_backend(phone_number):
     if not backend:
 
         if settings.PHONE_VERIFICATION.get("BACKEND", None):
-            backend_import = settings.PHONE_VERIFICATION["BACKEND"]
+            backend_import_path = settings.PHONE_VERIFICATION["BACKEND"]
         else:
             raise ImproperlyConfigured(
                 "Please specify BACKEND in PHONE_VERIFICATION within your settings"
             )
 
-        backend_cls = import_string(backend_import)
+        try:
+            backend_cls = import_string(backend_import_path)
+        except ImportError as e:
+            if not any(provider in backend_import_path.lower() for provider in ['twilio', 'nexmo']):
+                # Error for custom backends
+                raise RuntimeError(f"Failed to import the specified backend: {backend_import_path}. Ensure the module is installed and properly configured.") from e
+
+            # Extract the module name (e.g., 'twilio' or 'nexmo') for a more meaningful error message
+            dependency_name = backend_import_path.split(".")[-2]
+
+            # Raise an error with the correct dependency name
+            raise RuntimeError(f"{dependency_name.capitalize()} backend is not installed. Please install '{dependency_name}' to use this provider.") from e
+
         return backend_cls(**settings.PHONE_VERIFICATION["OPTIONS"])

setup.py

@@ -22,13 +22,23 @@
     install_requires=[
         "django>=2.1.5",
         "djangorestframework>=3.9.0",
-        "PyJWT>=1.7.1",
-        "python-dotenv>=0.10.0",
+        "PyJWT>=2.6.0",
+        "python-dotenv>=0.21.1",
         "phonenumbers>=8.10.2",
         "django-phonenumber-field>=2.1.0",
-        "twilio>=6.21.0",
-        "nexmo>=2.4.0",
     ],
+    extras_require={
+        "twilio": ["twilio"],
+        "nexmo": ["nexmo"],
+        "all": ["twilio", "nexmo"],
+    },
+    project_urls={
+        "Documentation": "#TBD",
+        "Changelog": "#TBD",
+        "Code": "https://github.com/CuriousLearner/django-phone-verify",
+        "Tracker": "https://github.com/CuriousLearner/django-phone-verify/issues",
+        "Funding": "#TBD"
+    },
     classifiers=[
         "Environment :: Web Environment",
         "Development Status :: 5 - Production/Stable",