karma module

karma.py

@@ -0,0 +1,42 @@
+class Module:
+    def __init__(self):
+        self.commands = ["karma"]
+        self.auto = True
+        self.manual = {
+            "desc": "Count a user's karma.",
+            "bot_commands": {
+                "karma": lambda x: f"{x}karma",
+                "info": "Show your total amount of karma."
+            }
+        }
+
+def set_karma(dbc, nickname, points):
+    dbc.execute("CREATE TABLE IF NOT EXISTS karma "
+                "(nickname TEXT COLLATE NOCASE, points INTEGER);")
+    dbc.execute("INSERT OR IGNORE INTO karma VALUES (?, ?);",
+                (nickname, points))
+    dbc.execute("UPDATE karma SET points=? WHERE nickname=?;",
+                (points, nickname))
+
+def get_karma(dbc, nickname):
+    try:
+        dbc.execute("SELECT points FROM karma WHERE nickname=?;",
+                    (nickname,))
+        return dbc.fetchone()[0]
+    except Exception:
+        return 0
+
+def main(i, irc):
+    dbc = i.db[1].cursor()
+
+    if i.cmd == "karma":
+        k = get_karma(dbc, i.nickname)
+        irc.privmsg(i.channel, f"Karma for {i.nickname}: {k}")
+
+    if i.channel == i.nickname:
+        return
+
+    if re.match("^[a-z_\\-\\[\\]\\\\^{}|`][a-z0-9_\\-\\[\\]\\\\^{}|`]*\\+\\+$", i.msg):
+        set_karma(dbc, i.nickname, get_karma(dbc, i.nickname) + 1)
+    elif re.match("^[a-z_\\-\\[\\]\\\\^{}|`][a-z0-9_\\-\\[\\]\\\\^{}|`]*\\-\\-$", i.msg):
+        set_karma(dbc, i.nickname, get_karma(dbc, i.nickname) - 1)