commit 8ad6b2ac5161889bd6d94a694a32eea11eaa9df6
from: Aleksey Ryndin <continue@to.any-key.press>
date: Fri Apr 12 13:37:22 2024 UTC

Fix: link (or other) after list (without empty line)

commit - 4e5d15550233b0836ae2162309030b4ebf00df51
commit + 8ad6b2ac5161889bd6d94a694a32eea11eaa9df6
blob - e8d2d5e05e993e5bacbb12ebe022ecb0ffc2bf5c
blob + 59556928be2a11c98d3de2d177d9c8e5bb1c9a4f
--- yah2g.py
+++ yah2g.py
@@ -59,31 +59,43 @@ class _HTTPServer(HTTPServer):
 class _Elem:
     def __init__(self, file):
         self.elem = None
-        self._file = file
+        self.file = file
 
     @contextmanager
     def __call__(self):
         yield self
         self.flush()
 
+    def flush_bytes(self):
+        if self.elem is None:
+            return b""
+
+        rv = ET.tostring(self.elem) + b"\r\n"
+        self.elem = None
+        return rv
+
     def flush(self):
-        if self.elem is not None:
-            self._file.write(ET.tostring(self.elem) + b"\r\n")
-            self.elem = None
+        self.file.write(self.flush_bytes())
 
 
-class _AutoFlush:
+class _FlushBeforeWrite:
     def __init__(self, elem):
         self._elem = elem
+        self._file = elem.file
 
     def cancel(self):
         self._elem = None
+
+    def commit(self):
+        if self._elem is not None:
+            self._elem.flush()
+            self._elem = None
+        return self._file
 
     @contextmanager
     def __call__(self):
         yield self
-        if self._elem is not None:
-            self._elem.flush()
+        self.commit()
 
 
 class _RequestHandler(BaseHTTPRequestHandler):
@@ -175,13 +187,13 @@ class _RequestHandler(BaseHTTPRequestHandler):
         with _Elem(self.wfile)() as pre:
             with _Elem(self.wfile)() as ul:
                 for line in body.splitlines():
-                    with _AutoFlush(ul)() as auto_flush_ul:
+                    with _FlushBeforeWrite(ul)() as flush_before:
                         if line.startswith("```"):
                             if pre.elem is None:
                                 pre.elem = ET.Element("pre")
                                 pre.elem.text = ""
                             else:
-                                pre.flush()
+                                flush_before.commit().write(pre.flush_bytes())
                         elif pre.elem is not None:
                             if pre.elem.text:
                                 pre.elem.text += "\r\n"
@@ -197,26 +209,26 @@ class _RequestHandler(BaseHTTPRequestHandler):
                             else:
                                 a.attrib.update(target="_blank", href=target)
                             a.text = splitted[1] if len(splitted) > 1 else target
-                            self.wfile.write(ET.tostring(p) + b"\r\n")
+                            flush_before.commit().write(ET.tostring(p) + b"\r\n")
                         elif line.startswith("#") and len(line.split()) > 1:
                             splitted = line.split(maxsplit=1)
                             h = ET.Element("h" + str(len(splitted[0])))
                             h.text = splitted[1]
-                            self.wfile.write(ET.tostring(h) + b"\r\n")
+                            flush_before.commit().write(ET.tostring(h) + b"\r\n")
                         elif line.startswith("* ") and line[2:].strip():
                             if ul.elem is None:
                                 ul.elem = ET.Element("ul")
                             ET.SubElement(ul.elem, "li").text = line[2:].strip()
-                            auto_flush_ul.cancel()
+                            flush_before.cancel()
                         elif line.startswith("> ") and line[2:].strip():
                             blockquote = ET.Element("blockquote")
                             ET.SubElement(blockquote, "p").text = line[2:].strip()
-                            self.wfile.write(ET.tostring(blockquote) + b"\r\n")
+                            flush_before.commit().write(ET.tostring(blockquote) + b"\r\n")
                         else:
                             if line:
                                 p = ET.Element("p")
                                 p.text = line
-                                self.wfile.write(ET.tostring(p) + b"\r\n")
+                                flush_before.commit().write(ET.tostring(p) + b"\r\n")
         self.wfile.write(self.server.footer_file_bytes)