Comments (3)
This is more to do with philosophy than anything else.
The user should not be calling a function with incorrect parameters. If a function is called incorrectly it indicates there is a logic error in the program. I do not believe that such logic errors should be ignored, they should be corrected.
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Sure, I totally agree with this.
For functions like I posted, it is a bit annoying to check if i < 0: i=0
.
A way to solve this would be a kwarg like this:
def set_PWM_dutycycle(self, user_gpio, dutycycle, error_save=False):
if error_save:
if dutycycle < 0:
dutycycle = 0
if dutycycle > 255:
dutycycle = 255
return _u2i(_pigpio_command(
self.sl, _PI_CMD_PWM, user_gpio, int(dutycycle)))
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An even better way would be to correct the logic error.
I shall not be changing the way error handling works in this or similar functions.
By the way the dutycycle range defaults to 0..255, but the user can change the range.
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