Refactor copyparty and npm analyzers to use updated imports and remove utils module

Update whois cache with additional IP ranges

npm.py

@@ -12,8 +12,12 @@ import os
 import re
 from collections import Counter
 
-import utils
-from utils import Request
+from analyzer import Analyzer
+from files import write_csv
+from flags import flag_scanners
+from models import Request
+from utils import arg_parser
+
 
 DEFAULT_LOG_PATH = os.environ.get("NPM_LOG_PATH", r"Y:\npm\logs")
 DEFAULT_REPORT_DIR = os.path.join(
@@ -40,7 +44,7 @@ LINE_RE = re.compile(
 )
 
 
-class NpmAnalyzer(utils.Analyzer):
+class NpmAnalyzer(Analyzer):
     name = "npm"
     title = "Nginx Proxy Manager log analysis report"
     log_suffixes = (".log", ".gz")
@@ -112,8 +116,8 @@ class NpmAnalyzer(utils.Analyzer):
     # --- flagging ----------------------------------------------------------
 
     def flag(self, stats):
-        return utils.flag_scanners(stats, min_errors=self.min_errors,
-                                   min_ratio=self.min_ratio)
+        return flag_scanners(stats, min_errors=self.min_errors,
+                             min_ratio=self.min_ratio)
 
     # --- extras ------------------------------------------------------------
 
@@ -131,15 +135,15 @@ class NpmAnalyzer(utils.Analyzer):
         uas = Counter(r.ua for r in self.requests if r.ua and r.ua != "-")
         hosts = Counter(r.host for r in self.requests if r.host)
         return [
-            utils.write_csv(os.path.join(data_dir, "ua_summary.csv"),
-                            ["user_agent", "count"], uas.most_common()),
-            utils.write_csv(os.path.join(data_dir, "host_summary.csv"),
-                            ["host", "count"], hosts.most_common()),
+            write_csv(os.path.join(data_dir, "ua_summary.csv"),
+                      ["user_agent", "count"], uas.most_common()),
+            write_csv(os.path.join(data_dir, "host_summary.csv"),
+                      ["host", "count"], hosts.most_common()),
         ]
 
 
 def main() -> None:
-    parser = utils.arg_parser(
+    parser = arg_parser(
         "analyze NPM proxy logs, flag scanner IPs, export MikroTik rules",
         DEFAULT_LOG_PATH, DEFAULT_REPORT_DIR)
     parser.add_argument("--min-errors", type=int, default=5,