Merge pull request #164 from AlanRosenthal/alan/local-write

Add `local-write` to bumble-console

bumble/att.py

@@ -750,10 +750,10 @@ class Attribute(EventEmitter):
                 permissions_str.split(","),
                 0,
             )
-        except TypeError:
+        except TypeError as exc:
             raise TypeError(
-                f"Attribute::permissions error:\nExpected a string containing any of the keys, seperated by commas: {','.join(Attribute.PERMISSION_NAMES.values())}\nGot: {permissions_str}"
-            )
+                f"Attribute::permissions error:\nExpected a string containing any of the keys, separated by commas: {','.join(Attribute.PERMISSION_NAMES.values())}\nGot: {permissions_str}"
+            ) from exc
 
     def __init__(self, attribute_type, permissions, value=b''):
         EventEmitter.__init__(self)

bumble/gatt.py

@@ -28,7 +28,7 @@ import enum
 import functools
 import logging
 import struct
-from typing import Optional, Sequence
+from typing import Optional, Sequence, List, Any, Iterable
 
 from .colors import color
 from .core import UUID, get_dict_key_by_value
@@ -259,6 +259,8 @@ class Characteristic(Attribute):
     See Vol 3, Part G - 3.3 CHARACTERISTIC DEFINITION
     '''
 
+    uuid: UUID
+
     # Property flags
     BROADCAST = 0x01
     READ = 0x02
@@ -325,6 +327,12 @@ class Characteristic(Attribute):
 
         return None
 
+    def has_properties(self, properties: Iterable[int]):
+        for prop in properties:
+            if self.properties & prop == 0:
+                return False
+        return True
+
     def __str__(self):
         return (
             f'Characteristic(handle=0x{self.handle:04X}, '
@@ -340,6 +348,8 @@ class CharacteristicDeclaration(Attribute):
     See Vol 3, Part G - 3.3.1 CHARACTERISTIC DECLARATION
     '''
 
+    characteristic: Characteristic
+
     def __init__(self, characteristic, value_handle):
         declaration_bytes = (
             struct.pack('<BH', characteristic.properties, value_handle)

bumble/gatt_client.py

@@ -62,7 +62,6 @@ from .gatt import (
     GATT_PRIMARY_SERVICE_ATTRIBUTE_TYPE,
     GATT_REQUEST_TIMEOUT,
     GATT_SECONDARY_SERVICE_ATTRIBUTE_TYPE,
-    Service,
     Characteristic,
     ClientCharacteristicConfigurationBits,
 )