improve config

ITPlanning/app.py

@@ -1,18 +1,32 @@
 """ flask apps initialisation """
 import logging
+from logging.handlers import TimedRotatingFileHandler
 from flask import Flask
 from pony.flask import Pony
 from ITPlanning.api import api
 from ITPlanning.db import init_database, release_database
 #from ITPlanning.frontend import frontend
+from ITPlanning.config import IniConfig
+logger = logging.getLogger("ITPlanning")
 
-logger = logging.getLogger(__name__)
 
 def create_app():
-    app=Flask(__name__, static_folder= "static",template_folder="view")
-    app.config.from_object("ITPlanning.config.DefaultConfig")
-    app.register_blueprint(api, url_prefix="/api/v1")
-    #app.register_blueprint(frontend)
+    """Flask app creation"""
+    app = Flask(__name__, static_folder="static", template_folder="view")
+    config = IniConfig()
+    app.config.from_object(config)
+
+    # set logger
+    logfile = app.config["LOG"]["log_file"]
+    if logfile:
+        handler = TimedRotatingFileHandler(logfile, when="midnight")
+        handler.setFormatter(
+            logging.Formatter("%(asctime)s [%(levelname)s] %(message)s")
+        )
+        logger.addHandler(handler)
+    loglevel = app.config["LOG"]["log_level"]
+    if loglevel:
+        logger.setLevel(getattr(logging, loglevel.upper(), logging.NOTSET))
 
     # Initialize database
     logger.warning(app.config["BASE"]["database_uri"])

ITPlanning/config.py

@@ -2,26 +2,71 @@
 
 from os import makedirs, path
 import tempfile
+from configparser import RawConfigParser
 
 current_config = None
 
+
 class DefaultConfig:
 
     DEBUG = False
-    SECRET_KEY="toto"
-    tempdir= path.join(tempfile.gettempdir(), "ITPlanning")
+    SECRET_KEY = "toto"
+    LOG = {
+        "log_file": None,
+        "log_level": "WARNING",
+    }
+    tempdir = path.join(tempfile.gettempdir(), "ITPlanning")
     BASE = {
         "database_uri": "sqlite:///" + path.join(tempdir, "ITPlanning.db"),
-          }
+    }
+
     def __init__(self):
         if not path.exists(self.tempdir):
             makedirs(self.tempdir)
         current_config = self
 
 
+class IniConfig(DefaultConfig):
+    common_paths = [
+        "/etc/ITPlanning",
+        "c:/programData/ITplanning/ITplanning.conf",
+        path.expanduser("~/.ITPlanning"),
+        path.expanduser("~/.config/ITPlanning/ITPlanning.conf"),
+        "ITPlanning.conf",
+    ]
+
+    def __init__(self, paths=None):
+        super()
+        if not paths:
+            paths = self.common_paths
+        parser = RawConfigParser()
+        parser.read(paths)
+        for section in parser.sections():
+            options = {k: self.__try_parse(v) for k, v in parser.items(section)}
+            section = section.upper()
+
+            if hasattr(self, section):
+                getattr(self, section).update(options)
+            else:
+                setattr(self, section, options)
+
+    def __try_parse(self, value):
+        try:
+            return int(value)
+        except ValueError:
+            try:
+                return float(value)
+            except ValueError:
+                lv = value.lower()
+                if lv in ("yes", "true", "on"):
+                    return True
+                if lv in ("no", "false", "off"):
+                    return False
+                return value
+
 
 def get_current_config():
 
     if current_config is None:
         DefaultConfig()
-    return  current_config
+    return current_config

run.py

@@ -1,5 +1,7 @@
-
+import os
 from ITPlanning.app import create_app
-app= create_app()
-if __name__ == '__main__':
+
+app = create_app()
+if __name__ == "__main__":
+    os.environ["FLASK_ENV"] = "development"
     app.run()