Fixed missing asterisk

[hackapet/Adafruit_Blinka.git] / src / busio.py

diff --git a/src/busio.py b/src/busio.py
index 1e636a0724148ce034d0423c521748790fa51a3e..279bd46f80ba4910aff9e1518d54c70c482f5cc7 100755 (executable)
--- a/src/busio.py
+++ b/src/busio.py
@@ -7,12 +7,15 @@ See `CircuitPython:busio` in CircuitPython for more details.
 * Author(s): cefn
 """
 
 * Author(s): cefn
 """
 

-import threading
+try:
+    import threading
+except ImportError:
+    threading = None

 
 

-from adafruit_blinka import Enum, Lockable, agnostic
-from adafruit_blinka.agnostic import board_id, detector

 import adafruit_platformdetect.constants.boards as ap_board
 import adafruit_platformdetect.constants.chips as ap_chip
 import adafruit_platformdetect.constants.boards as ap_board
 import adafruit_platformdetect.constants.chips as ap_chip

+from adafruit_blinka import Enum, Lockable, agnostic
+from adafruit_blinka.agnostic import board_id, detector

 
 # pylint: disable=import-outside-toplevel,too-many-branches,too-many-statements
 # pylint: disable=too-many-arguments,too-many-function-args
 
 # pylint: disable=import-outside-toplevel,too-many-branches,too-many-statements
 # pylint: disable=too-many-arguments,too-many-function-args


@@ -69,8 +72,8 @@ class I2C(Lockable):
                     (scl, sda), i2cPorts
                 )
             )
                     (scl, sda), i2cPorts
                 )
             )

-
-        self._lock = threading.RLock()
+        if threading is not None:
+            self._lock = threading.RLock()

 
     def deinit(self):
         """Deinitialization"""
 
     def deinit(self):
         """Deinitialization"""


@@ -80,11 +83,13 @@ class I2C(Lockable):
             pass
 
     def __enter__(self):
             pass
 
     def __enter__(self):

-        self._lock.acquire()
+        if threading is not None:
+            self._lock.acquire()

         return self
 
     def __exit__(self, exc_type, exc_value, traceback):
         return self
 
     def __exit__(self, exc_type, exc_value, traceback):

-        self._lock.release()
+        if threading is not None:
+            self._lock.release()

         self.deinit()
 
     def scan(self):
         self.deinit()
 
     def scan(self):