support help doc

tyjuliacall/__init__.py

@@ -5,3 +5,31 @@
 
 JV = _load_pyjulia_core().JV
 sys.meta_path.insert(0, JuliaFinder())  # type: ignore
+
+
+def _setup_help():
+    import pydoc
+
+    class Helper(object):
+        def __init__(self):
+            if isinstance(__builtins__, dict):
+                self.help = __builtins__['help']
+            else:
+                self.help = __builtins__.help
+
+        def __call__(self, obj):
+            if isinstance(obj, JV):
+                # get Julia documentation
+                jdoc_func = JuliaEvaluator["jdoc_func = Base.string ∘ Base.Docs.doc"]
+                return pydoc.pager(jdoc_func(obj))
+            else:
+                return self.help(obj)
+
+    if isinstance(__builtins__, dict):
+        __builtins__['help'] = Helper()
+    else:
+        __builtins__.help = Helper()
+
+
+_setup_help()
+del _setup_help