extended image module

1 files changed, 40 insertions, 0 deletions

diff --git a/extendedimage.py b/extendedimage.py
new file mode 100644
index 0000000..b62f100
--- /dev/null
+++ b/extendedimage.py
@@ -0,0 +1,40 @@
+from marko import inline
+from marko.helpers import MarkoExtension
+
+
+class ExtendedImage(inline.InlineElement):
+    pattern = r'!\[(.*)\]\(((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\s((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\s((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\s((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\)'
+    parse_children = True
+
+    def __init__(self, match):
+        self.alt = self.__strip_quotes(match.group(1))
+        self.src = self.__strip_quotes(match.group(2))
+        self.title = self.__strip_quotes(match.group(3))
+        self.href = self.__strip_quotes(match.group(4))
+        self.figcaption = self.__strip_quotes(match.group(5))
+
+    @staticmethod
+    def __strip_quotes(text: str) -> str:
+        if text.startswith('"'):
+            return text[1:-1]
+
+        return text
+
+
+class ExtendedImageRenderer:
+    def render_extended_image(self, element):
+        img = f'<img src="{element.src}" title="{element.title}" alt="{element.alt}" />'
+
+        if element.href != "":
+            img = f'<a href="{element.href}">{img}</a>'
+
+        if element.figcaption != "":
+            img = f"<figure>{img}<figcaption>{element.figcaption}</figcaption></figure>"
+
+        return img
+
+
+ExtendedImage = MarkoExtension(
+    elements=[ExtendedImage],
+    renderer_mixins=[ExtendedImageRenderer]
+)