WIP: browser and window now cleanly implemented via proxy

src/browser/__init__.py

@@ -1,4 +1,5 @@
-from browser.internal import Document, Window  # type: ignore
+import browser.internal
 
-document = Document()
+
-window = Window()
+document = browser.internal._document
+window = browser.internal._window

src/browser/internal.py

@@ -1,15 +1,19 @@
 # type: ignore
 
 
-class Document:
+class Proxy:
+    def __init__(self, proxied):
+        self.proxied = proxied
+    
     def __getattr__(self, attr):
-        return lambda x: document[attr](x)
+        if callable(self.proxied[attr]):
+            return lambda *x: self.proxied[attr](*x)
+        else:
+            return self.proxied[attr]
 
 
-class Window:
+_document = Proxy(document)
-    def __getattr__(self, attr):
+_window = Proxy(window)
-        return lambda x: window[attr](x)
-