Added index page and index page generator for all solutions.

html/render.py

@@ -0,0 +1,29 @@
+import jinja2
+import os
+from operator import itemgetter
+
+
+def file_name_to_solution(name):
+    number = int(name.replace("EulerProblem", "").replace(".html", ""))
+    file_name = name
+    display_name = name.replace("EulerProblem", "Problem ").replace(".html", "") 
+    return (number, file_name, display_name)
+
+
+def get_solution_list(directory="./"):
+    l = [file_name_to_solution(f) for f in os.listdir(directory)
+        if f.endswith(".html") and f.startswith("EulerProblem")]
+    l.sort(key=itemgetter(0))
+    return l
+
+
+def render_solutions(solutions):
+    loader = jinja2.FileSystemLoader(searchpath="./")
+    env = jinja2.Environment(loader=loader)
+    template = env.get_template("template.html")
+    d = {"solutions": solutions}
+    with open("index.html", 'w') as f:
+        f.write(template.render(**d))
+
+
+render_solutions(get_solution_list())