Update to python3.11 + recent libs.

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9-slim-buster
+FROM python:3.11-slim-bullseye
 
 WORKDIR /app
 
@@ -13,7 +13,7 @@ RUN set -ex \
         htop \
     ' \
     && apt-get update && apt-get install -y $buildDeps $deps --no-install-recommends  && rm -rf /var/lib/apt/lists/* \
-    && pip install uWSGI==2.0.19.1 \
+    && pip install uWSGI==2.0.21 \
     && apt-get purge -y --auto-remove $buildDeps \
     && find /usr/local -depth \
     \( \

README.md

@@ -11,6 +11,8 @@ Open sourced on Sep 2018 after years of production use at multiple sites.
 
 Update Sep 2020: Run in Raspberry with an SQLite database.
 
+Update May 2023: Python and libraries updated to recent versions. Python 3.11 in use. Still a fine foundation for a new project - the architecture does not age, and simple outlives complex.
+
 **Table of contents**
 
 * [Features](#features)

py/webutil.py

@@ -10,7 +10,7 @@
 import functools
 from flask import Flask, request, session, g, redirect, abort, jsonify
 from flask_session import Session
-from flask.json import JSONEncoder
+from flask.json.provider import DefaultJSONProvider
 
 import db
 import config
@@ -258,18 +258,22 @@ def _is_role_atleast(myrole, rolebase):
         return False
 
 
-class MyJSONEncoder(JSONEncoder):
+class MyJSONEncoder(DefaultJSONProvider):
     def default(self, obj):
-        if isinstance(obj, peewee.SelectQuery):
+        # print(type(obj))
+
+        if isinstance(obj, peewee.SelectBase):
             return list(obj)
-        if isinstance(obj, db.BaseModel):
+        elif isinstance(obj, db.BaseModel):
             return obj.serialize()
         elif isinstance(obj, datetime.datetime):
-#             dt_local = util.utc2local(obj)
             return obj.isoformat() if obj else None
-        return JSONEncoder.default(self, obj)
+        #elif isinstance(obj, sqlite3.Cursor):
+            #return list(obj)
+        #if isinstance(obj, psycopg2.extensions.cursor):
+            #return list(obj)
+        return DefaultJSONProvider.default(obj)
 
-app.json_encoder = MyJSONEncoder
+app.json = MyJSONEncoder(app)
 
 init_logging()
-

requirements.txt

@@ -1,10 +1,9 @@
-Flask==1.1.2
-Flask-Session==0.3.2
-passlib==1.7.2
-peewee==3.14.1
-peewee-migrate==1.1.6
-psycopg2-binary==2.8.6
-pytz==2021.1
-redis==3.5.3
-requests==2.24
-
+Flask==2.3.2
+Flask-Session2==1.3.1
+passlib==1.7.4
+peewee==3.16.2
+peewee-migrate==1.7.1
+psycopg2-binary==2.9.6
+pytz==2022.7.1
+redis==4.5.4
+requests==2.30.0