Now using configuration files

src/main.py

@@ -7,23 +7,36 @@
 # Then we build the web interface, using the simple Jinja2 templating.
 
 # Following are the librairies we import,
-from flask import Flask # Used for the web framework
-from printer import Printer
+from flask import Flask         # Used for the web framework
+from printer import Printer     # The wrapper for the printer class
+import toml                     # Used for the config file parsing
+import pprint
+
+# Load the configuration file
+try:
+    configuration_file = toml.load("configuration/config.toml")
+except TypeError :
+    print("Unable to load the config file: invalid type or is a list containing invalid types")
+    exit(-1)
+except toml.TomlDecodeError:
+    print("An error occured while decoding the file")
+    exit(-1)
+except Exception as e:
+    print("Error while loading file : " + str(e))
+
+pprint.pprint(configuration_file)
 
 # We define the app module used by Flask
 app = Flask(__name__)
-app.secret_key = b'\x98>3nM[D\xa4\xd4\xd0K\xab?oM.`\x98'
-# TODO: Get this secret key from a config file
+app.secret_key = configuration_file["secrets"]["flask_secret_key"]
 
 
 # Printer connection
 # Uses the class defined in the printer.py file
 
 # Define the USB connections here.
-# TODO: move this to a config file
-vendor_id = 0x04b8
-device_id = 0x0e28
-
+vendor_id = configuration_file["printer"]["vendor_id"]
+device_id = configuration_file["printer"]["device_id"]
 
 printer = Printer(app)