Added MJ's show function.

formatitko.py

@@ -5,10 +5,10 @@ from whitespace import *
 
 from panflute import *
 
+from mj_show import show
 
 ifs = ["dog"]
 
-
 def transform(e: Element):
 	"""Transform the AST, making format-agnostic changes."""
 	if isinstance(e, Whitespace) and bavlna(e):
@@ -26,10 +26,10 @@ def transform(e: Element):
 
 doc = load()
 
-print(stringify(doc))
+print(show(doc))
 transform(doc)
 print("---------------------")
-print(stringify(doc))
+print(show(doc))
 print(vars(doc))
 
 

mj_show.py

@@ -0,0 +1,47 @@
+###
+# For debugging, borrowed from here: git://git.ucw.cz/labsconf2022.git
+###
+
+import sys, re
+from panflute import *
+
+avoid_keys = {
+	'dict',
+	'list',
+	'location',
+	'oktypes',
+	'parent',
+}
+
+def show(e, file=sys.stdout, indent=""):
+	t = re.sub(r".*\.(.*)'>", r'\1', str(type(e)))
+	if isinstance(e, Str):
+		file.write(f'{indent}{t} "{e.text}"\n')
+	else:
+		file.write(f'{indent}{t}\n')
+
+	if not isinstance(e, Str):
+		for k in e.__slots__:
+			if hasattr(e, k) and not k.startswith('_') and not k in avoid_keys:
+				file.write(f'{indent}    {k}={getattr(e, k)}\n')
+
+	if isinstance(e, Element):
+		children = sorted((child_name, getattr(e, child_name)) for child_name in e._children)
+		for name, c in children:
+			if name == 'content':
+				show(c, file, indent + '    ')
+			elif c is not None:
+				file.write(f'{indent}    {name}=\n')
+				show(c, file, indent + '        ')
+			else:
+				file.write(f'{indent}    {name}=None\n')
+	elif isinstance(e, ListContainer):
+		for c in e:
+			show(c, file, indent + '    ')
+	elif isinstance(e, DictContainer):
+		for name, c in e.items():
+			file.write(f'{indent}    {name}:\n')
+			show(c, file, indent + '        ')
+	else:
+		raise TypeError(type(e))
+