Add kernel inspect hook

Author: jodiew

jupyter/seq_kernel/kernel.py

@@ -63,3 +63,18 @@ def do_execute(self, code, silent, store_history=True, user_expressions=None, al
 
             return {'status': 'ok', 'execution_count': self.execution_count,
                     'payload': [], 'user_expressions': {}}
+
+    def _get_object(self, code, cursor_pos):
+        # TODO: Get the correct section of code to be inspected
+        left = code[:cursor_pos].rsplit(' ', 1)[-1]
+        right = code[cursor_pos:].split(' ', 1)[0]
+        return left + right
+
+    def do_inspect(self, code, cursor_pos, detail_level=0):
+        data = self.seqwrapper.inspect(self._get_object(code, cursor_pos), detail_level)
+        return {
+            'status': 'ok',
+            'found': True,
+            'data': data,
+            'metadata': {}
+        }

jupyter/seq_kernel/wrapper.py

@@ -13,3 +13,9 @@ def __init__(self):
 
    def exec(self, code):
       self._exec_fn(self.handle, code.encode('utf-8'))
+   
+   def inspect(self, request_object, detail_level):
+      # TODO: Inspect the requested object and return the doc and/or source
+      return {
+         'text/plain': f'Hello, World! {request_object} {detail_level}'
+      }