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add support for notifying with a transient value

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This commit is contained in:
Gilles Boccon-Gibod
2022-09-06 12:42:35 -07:00
parent daa05b8996
commit 80569bc9f3
6 changed files with 304 additions and 116 deletions
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22
bumble/att.py
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@@ -700,16 +700,26 @@ class Attribute(EventEmitter):
else:
self.value = value
def encode_value(self, value):
return value
def decode_value(self, value_bytes):
return value_bytes
def read_value(self, connection):
if read := getattr(self.value, 'read', None):
try:
return read(connection)
value = read(connection)
except ATT_Error as error:
raise ATT_Error(error_code=error.error_code, att_handle=self.handle)
else:
return self.value
value = self.value
return self.encode_value(value)
def write_value(self, connection, value_bytes):
value = self.decode_value(value_bytes)
def write_value(self, connection, value):
if write := getattr(self.value, 'write', None):
try:
write(connection, value)
@@ -721,7 +731,11 @@ class Attribute(EventEmitter):
self.emit('write', connection, value)
def __repr__(self):
if len(self.value) > 0:
if type(self.value) is bytes:
value_str = self.value.hex()
else:
value_str = str(self.value)
if value_str:
value_string = f', value={self.value.hex()}'
else:
value_string = ''