basic dynamic menu generation

.gitignore

@@ -18,4 +18,4 @@
 .*.swp
 .editix
 __pycache__/
-test.py
+*.sqlite3

app/__init__.py

@@ -0,0 +1,8 @@
+from flask import Flask
+from . import db
+
+app = Flask(__name__, instance_relative_config = True)
+
+from app import views
+
+app.config.from_object('config')

app/db.py

@@ -0,0 +1,23 @@
+import os
+import sqlite3
+
+db_path = '/usr/local/lib/bootbox/local.sqlite3'
+
+class LocalDB(object):
+    def __init__(self, db_path = db_path):
+        self.db_path = db_path
+        self.conn = sqlite3.connect(self.db_path)
+        self.conn.row_factory = sqlite3.Row
+        self.cur = self.conn.cursor()
+
+    def getMenu(self, menu):
+        result = []
+        self.cur.execute('SELECT * FROM {0}'.format(menu))
+        for row in self.cur.fetchall():
+            result.append(dict(row))
+        return(result)
+
+    def close(self):
+        self.cur.close()
+        self.conn.close()
+        return()

app/templates/formatting.ipxe.j2

@@ -0,0 +1,6 @@
+#!ipxe
+
+console --picture {{ request.url_root }}ipxe/bg.png --left 32 --right 32 --top 32 --bottom 48
+
+{% block menu %}
+{% endblock %}

app/templates/main.ipxe.j2

@@ -0,0 +1,21 @@
+{% extends 'formatting.ipxe.j2' %}
+{% block menu%}
+dhcp
+echo MAIN MENU
+
+cpuid --ext 29 && set bits 64 || set bits 32
+cpuid --ext 29 && set arch x86_64 || set arch x86
+
+:main
+menu BootBox @ {{ request.url_root }}
+{% for mt in ('install', 'utilities') %}
+item --gap --   == {{ mt.upper() }} ==
+  {% for os in db.getMenu(mt) %}
+item --key {{ os['shortcut'] }} {{ os['name'] }}   ({{ os['shortcut'] }})   {{ os['desc'] }}
+  {%- endfor %}
+{% endfor %}
+
+
+
+shell
+{% endblock %}

app/views.py

@@ -0,0 +1,35 @@
+import os
+import pprint
+import re
+##
+from flask import render_template, make_response, request, Response
+from flask_autoindex import AutoIndex
+##
+from app import db
+from app import app
+
+ua_re = re.compile(r'^iPXE/v[0-9.]+')
+
+
+def getReqInfo():
+    d = {}
+    for a in dir(request):
+        if a.startswith('_'):
+            continue
+        d[a] = getattr(request, a)
+    return(d)
+
+
+@app.route('/', methods = ['GET'])
+def index():
+    DB = db.LocalDB()
+    result = render_template('main.ipxe.j2',
+                             db = DB)
+    DB.close()
+    return(result)
+
+
+@app.route('/foo', methods = ['GET'])
+def foo():
+    pprint.pprint(getReqInfo())
+    return(Response())