Implement utils.irc.hostmask_match for glob-like hostmask matching

src/IRCServer.py

@@ -203,6 +203,10 @@ class Server(IRCObject.Object):
     def irc_equals(self, s1: str, s2: str) -> bool:
         return utils.irc.equals(self.case_mapping, s1, s2)
 
+    def hostmask_match(self, hostmask: str, pattern: str) -> bool:
+        return utils.irc.hostmask_match(self.irc_lower(hostmask),
+            self.irc_lower(pattern))
+
     def parse_data(self, line: str):
         if not line:
             return

src/utils/irc/__init__.py

@@ -1,4 +1,4 @@
-import json, string, re, typing
+import fnmatch, json, string, re, typing
 from src import IRCLine, utils
 from . import protocol
 
@@ -303,3 +303,6 @@ class MessageTag(object):
     def get_value(self, tags: typing.Dict[str, str]) -> typing.Optional[str]:
         key = list(set(tags.keys())&self._names)
         return tags[key[0]] if key else None
+
+def hostmask_match(hostmask: str, pattern: str) -> bool:
+    return fnmatch.fnmatch(hostmask, pattern)