Improve connection

.gitignore

@@ -6,3 +6,6 @@ test.py
 *.sublime-workspace
 dist
 MANIFEST
+.python_hue
+lights.json
+.venv

examples/flicker.py

@@ -1,7 +1,7 @@
 import random
 from time import sleep
 from phue import Bridge
-b = Bridge('192.168.0.23')
+b = Bridge()
 b.connect()
 lights = b.lights
 

examples/hue-rainbow.py

@@ -3,6 +3,7 @@
 # in the time specified in totalTime
 from phue import Bridge
 import random
+from time import sleep
 
 b = Bridge() # Enter bridge IP here.
 

phue.py

@@ -621,12 +621,14 @@ def __init__(self, ip=None, username=None, config_file_path=None):
 
         if config_file_path is not None:
             self.config_file_path = config_file_path
+        elif os.access(os.path.join(os.getcwd(), '.python_hue'), os.R_OK):
+            self.config_file_path = os.path.join(os.getcwd(), '.python_hue')
         elif os.getenv(USER_HOME) is not None and os.access(os.getenv(USER_HOME), os.W_OK):
             self.config_file_path = os.path.join(os.getenv(USER_HOME), '.python_hue')
         elif 'iPad' in platform.machine() or 'iPhone' in platform.machine() or 'iPad' in platform.machine():
             self.config_file_path = os.path.join(os.getenv(USER_HOME), 'Documents', '.python_hue')
         else:
-            self.config_file_path = os.path.join(os.getcwd(), '.python_hue')
+            logger.exception('Could not retrieve bridge connection configuration.')
 
         self.ip = ip
         self.username = username