Created backend

main.py

@@ -0,0 +1,42 @@
+from bottle import template, get, run, post, request, redirect
+from chess import Game
+
+
+TEMPLATE = "template.html"
+games = dict()
+
+def is_submitted(name):
+    return request.forms.get(name) != None
+
+@get("/")
+def index():
+    game = Game()
+    id = max(list(games.keys())+[0]) + 1
+    games[id] = game
+    redirect("/game/{}/".format(id))
+
+@get("/game/<id:int>/")
+def show(id):
+    return template(TEMPLATE, game=games[id], valid=True)
+
+@post("/game/<id:int>/")
+def move(id):
+    valid = True
+    if is_submitted("newgame"):
+        redirect("/")
+    if is_submitted("prev"):
+        games[id].prev()
+    elif is_submitted("first"):
+        games[id].first()
+    elif is_submitted("next"):
+        games[id].next()
+    elif is_submitted("last"):
+        games[id].last()
+    else:
+        AN = request.forms.get("move")
+        valid = games[id].AN_move(AN)
+    return template(TEMPLATE, game=games[id], valid=valid)
+
+
+run(host="localhost", port=8080)
+