Initial working proof of concept

app.py

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+from sanic import Sanic
+from sanic import response
+from sanic_jinja2 import SanicJinja2
+import sqlite3
+import json
+
+app = Sanic(__name__)
+jinja = SanicJinja2(app)
+
+#conn = sqlite3.connect('file:flights.db?immutable=1', uri=True)
+conn = sqlite3.connect('file:northwind.db?immutable=1', uri=True)
+conn.row_factory = sqlite3.Row
+
+
+@app.route('/')
+async def index(request, sql=None):
+    sql = sql or request.args.get('sql', '')
+    if not sql:
+        sql = 'select * from sqlite_master'
+    rows = conn.execute(sql)
+    headers = [r[0] for r in rows.description]
+    return jinja.render('index.html', request,
+        headers=headers,
+        rows=list(rows),
+    )
+
+
+@app.route('/<table:[a-zA-Z0-9].*>.json')
+async def table_json(request, table):
+    sql = 'select * from {} limit 20'.format(table)
+    return response.json([
+        dict(r) for r in conn.execute(sql)
+    ])
+
+
+@app.route('/<table:[a-zA-Z0-9].*>')
+async def table(request, table):
+    sql = 'select * from {} limit 20'.format(table)
+    return await index(request, sql)
+
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", port=8006)