Added conditional escape parameter to .content_str() method.

CHANGES.rst

@@ -1,6 +1,10 @@
 Changelog
 =========
 
+3.0.12
+------
+    - Added conditional `escape` parameter to `.content_str()` method.
+
 3.0.11
 ------
     - Fixed parent problem with `.__deepcopy__()`.

src/dhtmlparser3/tags/tag.py

@@ -178,14 +178,20 @@ def _parameters_to_str(self) -> str:
 
         return " " + " ".join(parameters)
 
-    def content_str(self) -> str:
+    def content_str(self, escape=False) -> str:
         """
         Return everything in between the tags as string.
+
+        Args:
+            escape (bool): Escape the content. Default False.
         """
         output = ""
         for item in self.content:
             if isinstance(item, str):
-                output += item
+                if escape:
+                    output += html.escape(item)
+                else:
+                    output += item
             else:
                 output += item.to_string()
 

tests/test_tag.py

@@ -799,3 +799,20 @@ def test_deep_copy():
 
     assert str(tag) == '<div param="1"><h1>test</h1></div>'
     assert str(new_tag) == '<div param="2"><h2>test</h2></div>'
+
+
+def test_weird_msg():
+    original_str = """<blockquote>Message-ID: &lt;[email protected]&gt;</blockquote>"""
+    dom = dhtmlparser3.parse(original_str)
+
+    content = dom.find("blockquote")[0].content_str().strip()
+    assert content == "Message-ID: <[email protected]>"
+
+    content = dom.find("blockquote")[0].content_str(True).strip()
+    assert content == "Message-ID: &lt;[email protected]&gt;"
+
+    tag = dom.find("blockquote")[0]
+    assert tag.to_string() == original_str
+
+    assert tag.prettify().strip() == original_str
+