diff --git a/libpyrr/headers/alert_h.py b/libpyrr/headers/alert_h.py
new file mode 100644
index 0000000..09a312e
--- /dev/null
+++ b/libpyrr/headers/alert_h.py
@@ -0,0 +1,28 @@
+from ..utils import Enum
+
+class Alert(object):
+    def __init__(self):
+        self.category_t = Enum({
+                          'error_notification':         0x1,
+                          'peer_notification':          0x2,
+                          'port_mapping_notification':  0x4,
+                          'storage_notification':       0x8,
+                          'tracker_notification':       0x10,
+                          'debug_notification':         0x20,
+                          'status_notification':        0x40,
+                          'progress_notification':      0x80,
+                          'ip_block_notification':      0x100,
+                          'performance_warning':        0x200,
+                          'dht_notification':           0x400,
+                          'dht_notification':           0x400,
+                          'session_log_notification':   0x2000,
+                          'torrent_log_notification':   0x4000,
+                          'peer_log_notification':      0x8000,
+                          'incoming_request_notification':  0x10000,
+                          'dht_log_notification':           0x20000,
+                          'dht_operation_notification':     0x40000,
+                          'port_mapping_log_notification':  0x80000,
+                          'picker_log_notification':        0x100000,
+                          'all_categories':                 0x7fffffff
+                          })
+alert = Alert()
\ No newline at end of file
diff --git a/libpyrr/utils.py b/libpyrr/utils.py
new file mode 100644
index 0000000..a8318a4
--- /dev/null
+++ b/libpyrr/utils.py
@@ -0,0 +1,13 @@
+class AttrDict(dict):
+    def __getattr__(self, attr):
+        return self[attr]
+    def __setattr__(self, attr, value):
+        self[attr] = value
+
+class Enum(dict):
+    def __getattr__(self, attr):
+        return self[attr]
+    def __setattr__(self, attr, value):
+        pass
+    def __setitem__(self, k, v):
+        pass