try with basic regex replacing

requirements.txt

@@ -1,5 +1,6 @@
 pyyaml
 python-slugify[unidecode]
 peewee
-pyparsing
-lark
+
+# pyparsing
+# lark

spip2md/content.py

@@ -1,17 +1,29 @@
+import re
 from os import path
 
-from lark import Lark
-from pyparsing import Word, alphas
+# from lark import Lark
+# from pyparsing import Word, alphas
 
-larkParser = Lark(open(path.dirname(__file__) + "/spip.lark"))
+# larkParser = Lark(open(path.dirname(__file__) + "/spip.lark"))
 
 
 class content:
+    _mappings = (
+        (re.compile(r"\{\{\{(.*?)\}\}\}", re.S | re.I), r"## \1"),
+        (re.compile(r"\{\{ \{(.*?)\} \}\}", re.S | re.I), r"***\1***"),
+        (re.compile(r"\{ \{\{(.*?)\}\} \}", re.S | re.I), r"***\1***"),
+        (re.compile(r"\{\{(.*?)\}\}", re.S | re.I), r"**\1**"),
+        (re.compile(r"\{(.*?)\}", re.S | re.I), r"*\1*"),
+    )
+
     def __init__(self, content):
         self.spip = content
 
     def get_markdown(self):
         markdown = self.spip
+        for spip, md in self._mappings:
+            markdown = spip.sub(md, markdown)
+        return markdown
         # Parses the body & display parse tree
         try:
             print(f"    parse tree :\n")
@@ -24,14 +36,18 @@ class content:
 # Parses a file & display its parse tree
 def test(filename):
     raw = open(path.dirname(__file__) + "/" + filename).read()
-    print(f"--- Parse tree of {filename} ---\n\n")
-    print(larkParser.parse(raw))
+
+    print(f"--- Conversion of {filename} ---\n\n")
+    c = content(raw)
+    print(c.get_markdown())
+    # print(f"--- Parse tree of {filename} ---\n\n")
+    # print(larkParser.parse(raw))
 
 
 if __name__ == "__main__":
     # Test
     test("../test/0.spip")
-    test("../test/1.spip")
-    test("../test/2.spip")
-    test("../test/3.spip")
-    test("../test/4.spip")
+    # test("../test/1.spip")
+    # test("../test/2.spip")
+    # test("../test/3.spip")
+    # test("../test/4.spip")