add !msearch, to search for patterns in recent messages

modules/messages.py

@@ -0,0 +1,27 @@
+import re
+from src import ModuleManager, utils
+
+class Module(ModuleManager.BaseModule):
+    @utils.hook("received.command.msearch")
+    @utils.spec("!-channelonly !<pattern>string")
+    def msearch(self, event):
+        print(event["spec"])
+        pattern = re.compile(event["spec"][0], re.I)
+        message_list = list(event["target"].buffer.find_all(pattern))
+        message_count = len(message_list)
+
+        if message_list:
+            messages = []
+            for message in message_list:
+                seconds = utils.datetime.seconds_since(message.line.timestamp)
+                messages.append("%s ago %s" % (
+                    utils.datetime.to_pretty_time(seconds),
+                    message.line.format()))
+
+            plural = "message" if message_count == 0 else "messages"
+            event["stdout"].write("%s: found %d/%d messages: %s"
+                % (event["user"].nickname, message_count,
+                len(event["target"].buffer), "\n".join(messages)))
+        else:
+            event["stderr"].write("%s: no messages found"
+                % event["user"].nickname)