Allow html in columns

Author: mwouts

docs/changelog.md

@@ -1,6 +1,13 @@
 ITables ChangeLog
 =================
 
+1.6.3 (2023-12-10)
+------------------
+
+**Changed**
+- HTML in table columns is supported ([#213](https://github.com/mwouts/itables/issues/213))
+
+
 1.6.2 (2023-10-07)
 ------------------
 

itables/javascript.py

@@ -144,7 +144,7 @@ def _table_header(
     # Generate table head using pandas.to_html(), see issue 63
     pattern = re.compile(r".*<thead>(.*)</thead>", flags=re.MULTILINE | re.DOTALL)
     try:
-        html_header = df.head(0).to_html()
+        html_header = df.head(0).to_html(escape=False)
     except AttributeError:
         # Polars DataFrames
         html_header = pd.DataFrame(data=[], columns=df.columns).to_html()

itables/version.py

@@ -1,3 +1,3 @@
 """ITables' version number"""
 
-__version__ = "1.6.2"
+__version__ = "1.6.3"

tests/test_html_in_table_header.py

@@ -0,0 +1,9 @@
+import pandas as pd
+
+from itables import to_html_datatable
+
+
+def test_html_in_table_header(df=pd.DataFrame({"<b>B</b>": [1]})):
+    html = to_html_datatable(df)
+    print(html)
+    assert "<b>B</b>" in html