Doesnt work but may be getting somewhere.

.vscode/launch.json

@@ -0,0 +1,64 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: Current File (Integrated Terminal)",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal"
+        },
+        {
+            "name": "Python: Attach",
+            "type": "python",
+            "request": "attach",
+            "port": 5678,
+            "host": "localhost"
+        },
+        {
+            "name": "Python: Module",
+            "type": "python",
+            "request": "launch",
+            "module": "enter-your-module-name-here",
+            "console": "integratedTerminal"
+        },
+        {
+            "name": "Python: Django",
+            "type": "python",
+            "request": "launch",
+            "program": "${workspaceFolder}/manage.py",
+            "console": "integratedTerminal",
+            "args": [
+                "runserver",
+                "--noreload",
+                "--nothreading"
+            ],
+            "django": true
+        },
+        {
+            "name": "Python: Flask",
+            "type": "python",
+            "request": "launch",
+            "module": "flask",
+            "env": {
+                "FLASK_APP": "claims.py"
+            },
+            "args": [
+                "run",
+                "--no-debugger",
+                "--no-reload"
+            ],
+            "jinja": true
+        },
+        {
+            "name": "Python: Current File (External Terminal)",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "externalTerminal"
+        }
+    ]
+}

run_app.cmd

@@ -1,4 +1,4 @@
 @echo off
 set FLASK_ENV=development
 set FLASK_APP=src/claims.py
-flask run
+python %FLASK_APP%

src/claims.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 
 import flask
+import json
+from flask import jsonify
 from flask import request
 from flask import render_template
 
@@ -17,20 +19,18 @@ def hello_world():
     return "Hello world!"
 
 
-@app.route('/claims/saml/', methods=['POST', 'GET'])
-def get_saml_claims(foo):
+@app.route('/claims/saml', methods=['POST', 'GET'])
+def get_saml_claims():
     error = None
     if request.method == 'POST':
-        r = request
-        pass
+        return json.dumps(request.get_data(), sort_keys=True)
     if request.method == 'GET':
-        # 
-        pass
-    return render_template('claims.html', error=error)
+        return "Dude where's my claims?"
+    
 
 
 @app.route('/claims/oauth/', methods=['POST', 'GET'])
-def get_oauth_claims(foo):
+def get_oauth_claims():
     error = None
     if request.method == 'POST':
         # handle claims token
@@ -38,4 +38,8 @@ def get_oauth_claims(foo):
     if request.method == 'GET':
         # 
         pass
-    return render_template('claims.html', error=error)
+    return render_template('claims.html', error=error)
+
+
+if __name__ == "__main__":
+    app.run(ssl_context='adhoc')