WEB: Add code highlighting in PDEPs and render tables correctly (#51458)

Author: lithomas1

environment.yml

@@ -114,6 +114,7 @@ dependencies:
   - feedparser
   - pyyaml
   - requests
+  - pygments # Code highlighting
 
   - pip:
       - sphinx-toggleprompt

requirements-dev.txt

@@ -85,5 +85,6 @@ markdown
 feedparser
 pyyaml
 requests
+pygments
 sphinx-toggleprompt
 setuptools>=61.0.0

web/pandas/config.yml

@@ -18,10 +18,13 @@ main:
   - tables
   - fenced_code
   - meta
+  - footnotes
+  - codehilite
 static:
   logo: static/img/pandas_white.svg
   css:
   - static/css/pandas.css
+  - static/css/codehilite.css
 navbar:
   - name: "About us"
     target:

web/pandas/static/css/codehilite.css

@@ -0,0 +1,74 @@
+pre { line-height: 125%; }
+td.linenos .normal { color: #666666; background-color: transparent; padding-left: 5px; padding-right: 5px; }
+span.linenos { color: #666666; background-color: transparent; padding-left: 5px; padding-right: 5px; }
+td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
+span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
+.codehilite .hll { background-color: #ffffcc }
+.codehilite { background: #f0f0f0; }
+.codehilite .c { color: #60a0b0; font-style: italic } /* Comment */
+.codehilite .err { border: 1px solid #FF0000 } /* Error */
+.codehilite .k { color: #007020; font-weight: bold } /* Keyword */
+.codehilite .o { color: #666666 } /* Operator */
+.codehilite .ch { color: #60a0b0; font-style: italic } /* Comment.Hashbang */
+.codehilite .cm { color: #60a0b0; font-style: italic } /* Comment.Multiline */
+.codehilite .cp { color: #007020 } /* Comment.Preproc */
+.codehilite .cpf { color: #60a0b0; font-style: italic } /* Comment.PreprocFile */
+.codehilite .c1 { color: #60a0b0; font-style: italic } /* Comment.Single */
+.codehilite .cs { color: #60a0b0; background-color: #fff0f0 } /* Comment.Special */
+.codehilite .gd { color: #A00000 } /* Generic.Deleted */
+.codehilite .ge { font-style: italic } /* Generic.Emph */
+.codehilite .gr { color: #FF0000 } /* Generic.Error */
+.codehilite .gh { color: #000080; font-weight: bold } /* Generic.Heading */
+.codehilite .gi { color: #00A000 } /* Generic.Inserted */
+.codehilite .go { color: #888888 } /* Generic.Output */
+.codehilite .gp { color: #c65d09; font-weight: bold } /* Generic.Prompt */
+.codehilite .gs { font-weight: bold } /* Generic.Strong */
+.codehilite .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
+.codehilite .gt { color: #0044DD } /* Generic.Traceback */
+.codehilite .kc { color: #007020; font-weight: bold } /* Keyword.Constant */
+.codehilite .kd { color: #007020; font-weight: bold } /* Keyword.Declaration */
+.codehilite .kn { color: #007020; font-weight: bold } /* Keyword.Namespace */
+.codehilite .kp { color: #007020 } /* Keyword.Pseudo */
+.codehilite .kr { color: #007020; font-weight: bold } /* Keyword.Reserved */
+.codehilite .kt { color: #902000 } /* Keyword.Type */
+.codehilite .m { color: #40a070 } /* Literal.Number */
+.codehilite .s { color: #4070a0 } /* Literal.String */
+.codehilite .na { color: #4070a0 } /* Name.Attribute */
+.codehilite .nb { color: #007020 } /* Name.Builtin */
+.codehilite .nc { color: #0e84b5; font-weight: bold } /* Name.Class */
+.codehilite .no { color: #60add5 } /* Name.Constant */
+.codehilite .nd { color: #555555; font-weight: bold } /* Name.Decorator */
+.codehilite .ni { color: #d55537; font-weight: bold } /* Name.Entity */
+.codehilite .ne { color: #007020 } /* Name.Exception */
+.codehilite .nf { color: #06287e } /* Name.Function */
+.codehilite .nl { color: #002070; font-weight: bold } /* Name.Label */
+.codehilite .nn { color: #0e84b5; font-weight: bold } /* Name.Namespace */
+.codehilite .nt { color: #062873; font-weight: bold } /* Name.Tag */
+.codehilite .nv { color: #bb60d5 } /* Name.Variable */
+.codehilite .ow { color: #007020; font-weight: bold } /* Operator.Word */
+.codehilite .w { color: #bbbbbb } /* Text.Whitespace */
+.codehilite .mb { color: #40a070 } /* Literal.Number.Bin */
+.codehilite .mf { color: #40a070 } /* Literal.Number.Float */
+.codehilite .mh { color: #40a070 } /* Literal.Number.Hex */
+.codehilite .mi { color: #40a070 } /* Literal.Number.Integer */
+.codehilite .mo { color: #40a070 } /* Literal.Number.Oct */
+.codehilite .sa { color: #4070a0 } /* Literal.String.Affix */
+.codehilite .sb { color: #4070a0 } /* Literal.String.Backtick */
+.codehilite .sc { color: #4070a0 } /* Literal.String.Char */
+.codehilite .dl { color: #4070a0 } /* Literal.String.Delimiter */
+.codehilite .sd { color: #4070a0; font-style: italic } /* Literal.String.Doc */
+.codehilite .s2 { color: #4070a0 } /* Literal.String.Double */
+.codehilite .se { color: #4070a0; font-weight: bold } /* Literal.String.Escape */
+.codehilite .sh { color: #4070a0 } /* Literal.String.Heredoc */
+.codehilite .si { color: #70a0d0; font-style: italic } /* Literal.String.Interpol */
+.codehilite .sx { color: #c65d09 } /* Literal.String.Other */
+.codehilite .sr { color: #235388 } /* Literal.String.Regex */
+.codehilite .s1 { color: #4070a0 } /* Literal.String.Single */
+.codehilite .ss { color: #517918 } /* Literal.String.Symbol */
+.codehilite .bp { color: #007020 } /* Name.Builtin.Pseudo */
+.codehilite .fm { color: #06287e } /* Name.Function.Magic */
+.codehilite .vc { color: #bb60d5 } /* Name.Variable.Class */
+.codehilite .vg { color: #bb60d5 } /* Name.Variable.Global */
+.codehilite .vi { color: #bb60d5 } /* Name.Variable.Instance */
+.codehilite .vm { color: #bb60d5 } /* Name.Variable.Magic */
+.codehilite .il { color: #40a070 } /* Literal.Number.Integer.Long */

web/pandas_web.py

@@ -418,6 +418,9 @@ def main(
                 body = markdown.markdown(
                     content, extensions=context["main"]["markdown_extensions"]
                 )
+                # Apply Bootstrap's table formatting manually
+                # Python-Markdown doesn't let us config table attributes by hand
+                body = body.replace("<table>", '<table class="table table-bordered">')
                 content = extend_base_template(body, context["main"]["base_template"])
             context["base_url"] = "".join(["../"] * os.path.normpath(fname).count("/"))
             content = jinja_env.from_string(content).render(**context)