feat(submod): texascale, load annual stylesheets

For: https://jira.tacc.utexas.edu/browse/FP-1439
Mirrors: #490

taccsite_cms/templatetags/get_url_match.py

@@ -0,0 +1,43 @@
+import re
+
+from django import template
+from urllib.parse import urlparse
+
+register = template.Library()
+
+@register.filter
+def get_url_match(path, pattern):
+    """
+    Custom Template Filter `get_url_match`
+    Use: Render string that matches given pattern from current page URL.
+    Load custom filter into template:
+        {% load get_url_match %}
+    Template inline usage:
+        {# given path '.../2019/...', does nothing #}
+        {% if path|get_url_match:"/20\d\d/" %}
+            {# condition evaluates to False #}
+        {% endif %}
+        {# given path '.../2020/...', does something #}
+        {% if path|get_url_match:"/20\d\d/" %}
+            {# condition evaluates to True #}
+        {% endif %}
+        {# given path '.../2021/...', prints complete match #}
+        {% with year_path=path|get_url_match:"/20\d\d/" %}
+            <pre>{{ year_path }}</pre> {# prints complete match #}
+        {% endwith %}
+        {# given path '.../2022/...', prints matched content #}
+        {% with year_slug=path|get_url_match:"/(20\d\d)/" %}
+            <pre>{{ year_slug }}</pre> {# prints match within the (…) #}
+        {% endwith %}
+    """
+    result = re.search(pattern, path)
+
+    if result:
+        try:
+            match = result.group(1)
+        except IndexError:
+            match = result[0]
+    else:
+        match = False
+
+    return match