Add favicon (close #32)

Author: nichtich

app.py

@@ -1,4 +1,4 @@
-from flask import Flask, jsonify, request, render_template, send_from_directory
+from flask import Flask, jsonify, request, render_template, send_from_directory, send_file
 from waitress import serve
 from lib import CollectionRegistry, TerminologyRegistry, MappingRegistry, ApiError, NotFound, ValidationError, TripleStore
 import argparse
@@ -74,6 +74,8 @@ def status():
     return values
 
 
+route('GET', '/icon.png', lambda: send_file("static/nfdi4objects-logo.png"))
+
 api('GET', '/status.json', status)
 
 api('GET', '/terminology/', lambda: terminologies.list())

templates/head.html

@@ -4,6 +4,9 @@
     <meta charset="utf-8">
     <title>{{ title }}</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="icon" href="{{ root }}icon.png" sizes="32x32" />
+    <link rel="icon" href="{{ root }}icon.png" sizes="192x192" />
+    <link rel="apple-touch-icon" href="{{ root }}icon.png" />
     <style type="text/css">
     body {
       margin: 20px;

tests/test_api.py

@@ -210,6 +210,8 @@ def test_api(client):
     assert resp.status_code == 200
     assert b"N4O Graph Import API TEST" in resp.data
 
+    assert client.get('/icon.png').status_code == 200
+
     assert client.get('/data/').status_code == 200
     assert client.get('/data/data.ttl').status_code == 200