Renamed db storage plugin, added comments, updated bot startup script with comments, commented the repl helper and added the ssl error from n0xy for later fix, updated sql schema

nxy/bot.py

@@ -1,12 +1,12 @@
 # -*- coding: utf-8 -*-
+import os
 import json
 import sys
-import os
 
-# noinspection PyPackageRequirements
 from dotenv import load_dotenv
 from irc3 import IrcBot
 
+# This is a development config for use with irc3s server
 CFG_DEV = {
     'nick': 'nxy',
     'autojoins': ['#dev'],
@@ -23,15 +23,22 @@ CFG_DEV = {
 }
 
 
-# TODO: imdb, pay, owe, rape (owe), ddg, regex
 def main(cfg_file):
+    # Load dotenv from file
     load_dotenv('.env')
+
+    # Load config from json file
     with open(cfg_file, 'r') as fp:
         cfg = json.load(fp)
+
+    # Apply dev config if env variable is set
     if bool(os.environ.get('DEV')):
         cfg.update(CFG_DEV)
+    # If PASSWORD in env set it in config
     elif 'PASSWORD' in os.environ:
         cfg['password'] = os.environ['PASSWORD']
+
+    # Start the bot with constructed config
     bot = IrcBot.from_config(cfg)
     bot.run()
 

nxy/plugins/__init__.py

@@ -18,16 +18,14 @@ class Plugin(BasePlugin):
         return cls(old.bot)
 
 
-class DatabasePlugin(Plugin):
+# Import the PgSQL storage plugin
-    # @property
+from .storage import Storage
-    # def con(self):
-    #     return self.bot.con
-    #
-    # @property
-    # def cur(self):
-    #     return self.bot.cur
 
-    def __init__(self, bot):
+
+class DatabasePlugin(Plugin):
+    def __init__(self, bot: IrcBot):
         super().__init__(bot)
-        self.con = bot.con.db
+        # Get PgSQL storage instance and connection + cursor
-        self.cur = bot.con.cur
+        self.db = bot.get_plugin(Storage)
+        self.con = self.db.con
+        self.cur = self.db.cur

nxy/plugins/database.py

@@ -1,17 +0,0 @@
-# -*- coding: utf-8 -*-
-import os
-
-import irc3
-import psycopg2
-from psycopg2.extras import DictCursor
-
-from . import Plugin
-
-
-@irc3.plugin
-class Database(Plugin):
-    def __init__(self, bot: irc3.IrcBot):
-        super().__init__(bot)
-        self.db = psycopg2.connect(os.environ['DATABASE_URI'])
-        self.cur = self.db.cursor(cursor_factory=DictCursor)
-        self.bot.con = self

nxy/plugins/storage.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+import os
+
+import irc3
+import psycopg2
+from psycopg2.extras import DictCursor
+
+from . import Plugin
+
+
+@irc3.plugin
+class Storage(Plugin):
+    def __init__(self, bot: irc3.IrcBot):
+        super().__init__(bot)
+        # Create database connection
+        self.con = psycopg2.connect(os.environ['DATABASE_URI'])
+        # Create database cursor (with dict favtory to access rows by name)
+        self.cur = self.con.cursor(cursor_factory=DictCursor)

nxy/plugins/urban.py

@@ -21,21 +21,30 @@ class Urban(Plugin):
 
         %%ud <term>...
         """
+        # Clean, strip and split term by whitespace
         term = ' '.join(args.get('<term>')).lower().strip().split()
 
         if term[-1].isdigit():
-            idx = int(term[-1]) - 1
+            # Parse number at end as index - 1 and slice term
+            index = int(term[-1]) - 1
             term = ' '.join(term[:-1])
         else:
-            idx = 0
+            # Set index to 0
+            index = 0
 
+        # Fetch data for term from urban dictionary as json
         data = requests.get(self.URL, params=dict(term=term)).json()
+
+        # No results
         if data['result_type'] == 'no_results':
             return 'Term not found'
 
-        res = data['list'][idx]
+        # Get result by index
+        res = data['list'][index]
+
+        # Format and return result
         return '[{idx}/{len}] \x02{word}\x02: {definition} - {example}'.format(
-            idx=idx + 1,
+            idx=index + 1,
             len=len(data['list']),
             word=res['word'],
             definition=res['definition'].replace('\r\n', ' '),

repl.py

@@ -1,13 +1,20 @@
 # -*- coding: utf-8 -*-
-import requests
 import sys
 import os
 import re
-
 from pprint import pprint
-# noinspection PyPackageRequirements
-from dotenv import load_dotenv
 
+import requests
+import psycopg2
+from dotenv import load_dotenv
+from psycopg2.extras import DictCursor
+
+# Handy alias for pprint
 pp = pprint
 
-load_dotenv('.env')
+# Load dotenv from DOTENV_FILE variable (or the default one)
+load_dotenv(os.environ.get('DOTENV_FILE', '.env'))
+
+# Create database connection and cursor
+con = psycopg2.connect(os.environ['DATABASE_URI'])
+cur = con.cursor(cursor_factory=DictCursor)

schema.sql

@@ -12,13 +12,13 @@ create table if not exists mcmaniacs (
 );
 
 create table if not exists timers (
-    id          serial       primary key,
+    id          serial        primary key,
-    nick        varchar(30)  not null,
+    mask        varchar(255)  not null,
-    channel     varchar(32)  not null,
+    target      varchar(32)   not null,
-    message     text         not null,
+    message     text          not null,
-    delay       varchar(10)  not null,
+    delay       varchar(10)   not null,
-    ends_at     timestamp    not null,
+    ends_at     timestamp     not null,
-    created_at  timestamp    not null default current_timestamp
+    created_at  timestamp     not null default current_timestamp
 );
 
 create table if not exists tells (
@@ -45,3 +45,23 @@ create table if not exists owes (
     amount  integer      not null,
     unique (nick)
 );
+
+
+with ranked_quotes as (
+  select
+    id,
+    item,
+    nick,
+    rank() over (partition by nick order by id),
+    count(*) over (partition by nick) as total
+  from
+    quotes
+  where
+    nick = 'mrhanky'
+)
+
+delete from
+  quotes
+where
+  id =
+  ranked_quotes;

ssl.error

@@ -0,0 +1,30 @@
+ERROR irc3.mybot [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749)
+Traceback (most recent call last):
+  File "/home/mrhanky/.virtualenvs/irc3/lib/python3.6/site-packages/irc3-1.0.1.dev0-py3.6.egg/irc3/__init__.py", line 161, in connection_made
+    transport, protocol = f.result()
+  File "/usr/lib64/python3.6/asyncio/base_events.py", line 802, in create_connection
+    sock, protocol_factory, ssl, server_hostname)
+  File "/usr/lib64/python3.6/asyncio/base_events.py", line 828, in _create_connection_transport
+    yield from waiter
+  File "/usr/lib64/python3.6/asyncio/sslproto.py", line 503, in data_received
+    ssldata, appdata = self._sslpipe.feed_ssldata(data)
+  File "/usr/lib64/python3.6/asyncio/sslproto.py", line 201, in feed_ssldata
+    self._sslobj.do_handshake()
+  File "/usr/lib64/python3.6/ssl.py", line 683, in do_handshake
+    self._sslobj.do_handshake()
+ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749)
+ERROR irc3.mybot [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:749)
+Traceback (most recent call last):
+  File "/home/mrhanky/.virtualenvs/irc3/lib/python3.6/site-packages/irc3-1.0.1.dev0-py3.6.egg/irc3/__init__.py", line 161, in connection_made
+    transport, protocol = f.result()
+  File "/usr/lib64/python3.6/asyncio/base_events.py", line 802, in create_connection
+    sock, protocol_factory, ssl, server_hostname)
+  File "/usr/lib64/python3.6/asyncio/base_events.py", line 828, in _create_connection_transport
+    yield from waiter
+  File "/usr/lib64/python3.6/asyncio/sslproto.py", line 503, in data_received
+    ssldata, appdata = self._sslpipe.feed_ssldata(data)
+  File "/usr/lib64/python3.6/asyncio/sslproto.py", line 201, in feed_ssldata
+    self._sslobj.do_handshake()
+  File "/usr/lib64/python3.6/ssl.py", line 683, in do_handshake
+    self._sslobj.do_handshake()
+ssl.SSLError: [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:749)