more formatting

html_to_django/formatters/style_formatter.py

@@ -0,0 +1,34 @@
+from bs4 import BeautifulSoup
+
+
+def parse_style(style: str) -> dict:
+    result = {}
+    key_buffer = ""
+    buffer = ""
+    for char in style:
+        if char == ":" and not key_buffer:
+            key_buffer = buffer
+            buffer = ""
+        elif char == ";":
+            result[key_buffer] = buffer
+            key_buffer = ""
+            buffer = ""
+        elif char != " ":
+            buffer += char
+    if key_buffer and buffer:
+        result[key_buffer] = buffer
+    return result
+
+
+def style_to_string(style: dict) -> str:
+    return ";".join([f"{name}:{value}" for name, value in style.items()])
+
+
+def format(soup: BeautifulSoup) -> None:
+    for element in soup.find_all(attrs={"dj-style": True}):
+        style = parse_style(element["style"])
+        dj_style = element.get("dj-style").replace(""", '"')
+        for name, value, value_type in [declaration.split(";") for declaration in dj_style.split("~") if declaration]:
+            style[name] = f"{{{{ {value} }}}}{value_type}"
+        element["style"] = style_to_string(style)
+        del element.attrs["dj-style"]