Remove hardcoded timeout values

AUTHORS.rst

@@ -19,3 +19,4 @@ Contributors
 * Bernie Conrad <[email protected]>
 * Jonathan Soto <[email protected]>
 * Kyle J. Williams <[email protected]>
+* Vyacheslav Linnik <[email protected]>

CHANGELOG.rst

@@ -16,6 +16,7 @@ Fixed
   of the same characteristic are used. Fixes #675.
 * Fixed reading a characteristic on CoreBluetooth backend also triggers notification
   callback.
+* Removed hardcoded timeout values in all backends.
 
 
 `0.13.0`_ (2021-10-20)

bleak/backends/bluezdbus/client.py

@@ -90,7 +90,7 @@ async def connect(self, **kwargs) -> bool:
         """Connect to the specified GATT server.
 
         Keyword Args:
-            timeout (float): Timeout for required ``BleakScanner.find_device_by_address`` call. Defaults to 10.0.
+            timeout (float): Defaults to 10.0.
 
         Returns:
             Boolean representing connection status.
@@ -377,9 +377,12 @@ def _cleanup_all(self) -> None:
             self.services = BleakGATTServiceCollection()
             self._services_resolved = False
 
-    async def disconnect(self) -> bool:
+    async def disconnect(self, **kwargs) -> bool:
         """Disconnect from the specified GATT server.
 
+        Keyword Args:
+            timeout (float): Defaults to 10.0.
+
         Returns:
             Boolean representing if device is disconnected.
 
@@ -396,10 +399,11 @@ async def disconnect(self) -> bool:
             logger.debug(f"already disconnected ({self._device_path})")
             return True
 
+        timeout = kwargs.get("timeout", self._timeout)
         if self._disconnecting_event:
             # another call to disconnect() is already in progress
             logger.debug(f"already in progress ({self._device_path})")
-            await asyncio.wait_for(self._disconnecting_event.wait(), timeout=10)
+            await asyncio.wait_for(self._disconnecting_event.wait(), timeout=timeout)
         elif self.is_connected:
             self._disconnecting_event = asyncio.Event()
             try:
@@ -413,7 +417,9 @@ async def disconnect(self) -> bool:
                     )
                 )
                 assert_reply(reply)
-                await asyncio.wait_for(self._disconnecting_event.wait(), timeout=10)
+                await asyncio.wait_for(
+                    self._disconnecting_event.wait(), timeout=timeout
+                )
             finally:
                 self._disconnecting_event = None
 
@@ -575,6 +581,9 @@ def mtu_size(self) -> int:
     async def get_services(self, **kwargs) -> BleakGATTServiceCollection:
         """Get all services registered for this GATT server.
 
+        Keyword Args:
+            timeout (float): Defaults to 10.0.
+
         Returns:
            A :py:class:`bleak.backends.service.BleakGATTServiceCollection` with this device's services tree.
 
@@ -585,11 +594,12 @@ async def get_services(self, **kwargs) -> BleakGATTServiceCollection:
         if self._services_resolved:
             return self.services
 
+        timeout = kwargs.get("timeout", self._timeout)
         if not self._properties["ServicesResolved"]:
             logger.debug(f"Waiting for ServicesResolved ({self._device_path})")
             self._services_resolved_event = asyncio.Event()
             try:
-                await asyncio.wait_for(self._services_resolved_event.wait(), 5)
+                await asyncio.wait_for(self._services_resolved_event.wait(), timeout)
             finally:
                 self._services_resolved_event = None
 

bleak/backends/corebluetooth/PeripheralDelegate.py

@@ -9,7 +9,7 @@
 import asyncio
 import itertools
 import logging
-from typing import Callable, Any, Dict, Iterable, NewType, Optional
+from typing import Callable, Any, Dict, Iterable, NewType, Optional, Union
 
 import objc
 from Foundation import NSNumber, NSObject, NSArray, NSData, NSError, NSUUID, NSString
@@ -125,17 +125,22 @@ async def discover_descriptors(self, characteristic: CBCharacteristic) -> NSArra
 
     @objc.python_method
     async def read_characteristic(
-        self, characteristic: CBCharacteristic, use_cached: bool = True
+        self,
+        characteristic: CBCharacteristic,
+        use_cached: bool = True,
+        timeout: Optional[Union[int, float]] = None,
     ) -> NSData:
         if characteristic.value() is not None and use_cached:
             return characteristic.value()
+        if timeout is None:
+            timeout = self._timeout
 
         future = self._event_loop.create_future()
 
         self._characteristic_read_futures[characteristic.handle()] = future
         try:
             self.peripheral.readValueForCharacteristic_(characteristic)
-            return await asyncio.wait_for(future, timeout=5)
+            return await asyncio.wait_for(future, timeout=timeout)
         finally:
             del self._characteristic_read_futures[characteristic.handle()]
 

bleak/backends/winrt/client.py

@@ -258,14 +258,18 @@ def _ConnectionStatusChanged_Handler(sender, args):
 
         return True
 
-    async def disconnect(self) -> bool:
+    async def disconnect(self, **kwargs) -> bool:
         """Disconnect from the specified GATT server.
 
+        Keyword Args:
+            timeout (float): Defaults to 10.0.
+
         Returns:
             Boolean representing if device is disconnected.
 
         """
         logger.debug("Disconnecting from BLE device...")
+        timeout = kwargs.get("timeout", self._timeout)
         # Remove notifications.
         for handle, event_handler_token in list(self._notification_callbacks.items()):
             char = self.services.get_characteristic(handle)
@@ -289,7 +293,7 @@ async def disconnect(self) -> bool:
             self._disconnect_events.append(event)
             try:
                 self._requester.close()
-                await asyncio.wait_for(event.wait(), timeout=10)
+                await asyncio.wait_for(event.wait(), timeout=timeout)
             finally:
                 self._disconnect_events.remove(event)