update bot_core.py for base reaction functionality, create db_helper.py

src/bot_core.py

@@ -6,25 +6,49 @@ from discord.ext import commands
 
 CONTRASTELLAR = 181187505448681472
 
+# instance variables
+larboard = 0
+active_guild = 0
+# end instance variables
+
+# discord.py init
 intents = discord.Intents.default()
 intents.message_content = True
 intents.guild_messages = True
 intents.presences = False
 
 client = commands.Bot(command_prefix='!', intents=intents)
+# end discord.py init
 
-
+# parser init
 parser: argparse.ArgumentParser = argparse.ArgumentParser(prog='very bad core',
                                                           description='very bad bot core')
 parser.add_argument('token')
+parser.add_argument('guild_id')
+parser.add_argument('channel_id')
+# end parser init
 
 # --- commands below here
 
 @client.event
 async def on_ready():
+    await client.tree.sync()
     print(f'{client.user} has connected.')
+    print(f'we are using the guild {args.guild_id} and channel {args.channel_id}')
+
+@client.tree.command()
+async def ping(interaction: discord.Interaction):
+    await interaction.response.send_message('go fuck yourself (bot is running)')
+    return
+
+@client.event
+async def on_reaction_add(react: discord.Reaction, user: discord.User):
+    print("reaction was added!")
+    return
+
 # --- end commands
 
+# runtime lines
 args: argparse.Namespace = parser.parse_args()
 
 TOKEN: str = open(args.token, encoding='utf-8').read()

src/helper/db_helper.py

@@ -0,0 +1,44 @@
+"""
+database interaction module of the very-bad bot
+
+@author: Gabriella 'contrastellar' Agathon
+"""
+
+import psycopg2
+import psycopg2.extensions
+from configparser import ConfigParser
+import datetime
+
+
+def load_config(filename='database.ini', section='postgresql'):
+
+    parser = ConfigParser()
+    parser.read(filename)
+
+    # get section, default is postgresql
+    config = {}
+    if parser.has_section(section):
+        params = parser.items(section)
+        for param in params:
+            config[param[0]] = param[1]
+
+    else:
+        raise Exception('Section {0} not found in the {1} file'.format(section, filename))
+
+    return config
+
+
+def connect_config(config) -> psycopg2.extensions.connection:
+    try:
+        with psycopg2.connect(**config) as conn:
+            print('connected to the server')
+            return conn
+        
+    except (psycopg2.DatabaseError, Exception) as error:
+        print(error)
+
+    finally:
+        if conn is None:
+            raise psycopg2.DatabaseError("Failed to connect!")
+        
+