Examples: Slight code tidyup.

examples/compensated-temperature.py

@@ -19,11 +19,13 @@
 bus = SMBus(1)
 bmp280 = BMP280(i2c_dev=bus)
 
+
 # Gets the CPU temperature in degrees C
 def get_cpu_temperature():
- process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE)
+ process = Popen(["vcgencmd", "measure_temp"], stdout=PIPE)
  output, _error = process.communicate()
- return float(output[output.index('=') + 1:output.rindex("'")])
+ return float(output[output.index("=") + 1 : output.rindex("'")])
+
 
 factor = 1.2 # Smaller numbers adjust temp down, vice versa
 smooth_size = 10 # Dampens jitter due to rapid CPU temp changes
@@ -41,6 +43,6 @@ def get_cpu_temperature():
  raw_temp = bmp280.get_temperature()
  comp_temp = raw_temp - ((smoothed_cpu_temp - raw_temp) / factor)
 
- print("Compensated temperature: {:05.2f} *C".format(comp_temp))
+ print(f"Compensated temperature: {comp_temp:05.2f} *C")
 
  time.sleep(1.0)

examples/dump-calibration.py

@@ -15,6 +15,6 @@
 bmp280.setup()
 
 for key in dir(bmp280.calibration):
- if key.startswith('dig_'):
+ if key.startswith("dig_"):
  value = getattr(bmp280.calibration, key)
- print('{} = {}'.format(key, value))
+ print(f"{key} = {value}")

examples/relative-altitude.py

@@ -19,7 +19,7 @@
 baseline_values = []
 baseline_size = 100
 
-print("Collecting baseline values for {:d} seconds. Do not move the sensor!\n".format(baseline_size))
+print(f"Collecting baseline values for {baseline_size:d} seconds. Do not move the sensor!\n")
 
 for i in range(baseline_size):
  pressure = bmp280.get_pressure()
@@ -30,5 +30,5 @@
 
 while True:
  altitude = bmp280.get_altitude(qnh=baseline)
- print('Relative altitude: {:05.2f} metres'.format(altitude))
+ print(f"Relative altitude: {altitude:05.2f} metres")
  time.sleep(1)

examples/temperature-and-pressure.py

@@ -19,5 +19,5 @@
 while True:
  temperature = bmp280.get_temperature()
  pressure = bmp280.get_pressure()
- print('{:05.2f}*C {:05.2f}hPa'.format(temperature, pressure))
+ print(f"{temperature:05.2f}*C {pressure:05.2f}hPa")
  time.sleep(1)

examples/temperature-forced-mode.py

@@ -15,5 +15,5 @@
 
 while True:
  temperature = bmp280.get_temperature()
- print('{:05.2f}*C'.format(temperature))
+ print("{temperature:05.2f}*C")
  time.sleep(1)