add jinja template and many other improvements

src/pypacer/helpers.py

@@ -0,0 +1,22 @@
+import os
+import re
+from enum import Enum
+
+location = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
+
+
+class TargetType(Enum):
+    IP_MASK = 1  # isInNet
+    IP = 2
+    HOST = 3  # for localHostOrDomainIs
+    HOSTS = 4  # for dnsDomainIs
+
+
+def get_target_type(target: str) -> TargetType:
+    if re.fullmatch(r"[0-9.]+", target):
+        return TargetType.IP
+    elif re.fullmatch(r"[0-9./]+", target):
+        return TargetType.IP_MASK
+    elif target.startswith("."):
+        return TargetType.HOSTS
+    return TargetType.HOST

src/pypacer/helpers_test.py

@@ -0,0 +1,18 @@
+import unittest
+
+from pypacer.helpers import get_target_type, TargetType
+
+
+class TestHelpers(unittest.TestCase):
+
+    def test_target_type_ip_mask(self):
+        self.assertEqual(get_target_type("127.0.0.0/24"), TargetType.IP_MASK)
+
+    def test_target_type_ip(self):
+        self.assertEqual(get_target_type("127.0.0.1"), TargetType.IP)
+
+    def test_target_type_hosts(self):
+        self.assertEqual(get_target_type(".example.com"), TargetType.HOSTS)
+
+    def test_target_type_host(self):
+        self.assertEqual(get_target_type("example.com"), TargetType.HOST)

src/pypacer/template.js

@@ -0,0 +1,5 @@
+function FindProxyForURL(url, host) {
+    host = host.toLowerCase();
+    // at this point they are placed exclusions
+    return "{{ default }}";
+}