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From: MRAB <python@mrabarnett.plus.com>
Newsgroups: comp.lang.python
Subject: Re: GoPiGo script
Date: Mon, 2 Nov 2015 15:21:16 +0000
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References: <197fe872-0501-4ce8-a273-5220d4527c1f@googlegroups.com> <5qKZx.1282$u_1.105@fx05.am1>
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On 2015-11-02 14:28, input/ldompeling@casema.nl wrote:
> He mike,
>
> Thank you or making this script.
> Only I get errors for sleep.
> I also tried to change it to time.sleep() but that also gives errors.
>
> File "test05.py", line 23
>      sleep(2)
>          ^
> SyntaxError: invalid syntax
> -------------------------------------------------------------------------------
>
The previous line is missing a ")"; it should end with two of them, not
just one.

> In reply to "hakugin.gin@gmail.com" who wrote the following:
>
>> On Monday, November 2, 2015 at 8:45:35 AM UTC-5, hakug...@gmail.com wrote:
>> > On Monday, November 2, 2015 at 8:29:26 AM UTC-5, input/ld...@casema.nl
>> > wrote:
>> > > I tried to use def loop(): now for to restart the script.
>> > > but its only restart "fwd()" print ("forward 1x") and then stop.
>> > > It does not look further for the if function.
>> > > Is there another way to restart this script ?
>> > > I also tried with (while True:) but that does nothing.
>> > >
>> > > Thanks
>> >
>> > <snip>
>> >
>>
>> Ignore that last suggestion... between auto correct and other things there
> are
>> some issues with it.
>>
>> Try this instead:
>>
>> from gopigo import *
>> from time import sleep
>>
>> # Boolean variable for the "while" loop
>> KEEP_GOING = True
>>
>> enable_servo()
>> mindist = 80
>> servo(90)
>>
>> set_right_speed(150)
>> set_left_speed(105)
>>
>> def MainLoop():
>>   # A check statement can be added to set KEEP_GOING to False
>>   # and allow the function to end
>>     while KEEP_GOING:
>>         fwd()
>>         print("forward1x")
>>         if mindist > us_dist(15):
>>             bwd()
>>             print("backward1x",us_dist(15)
>>             sleep(2)
>>             left_rot()
>>             print("left rot",us_dist(15))
>>             sleep(3)
>>             stop()
>>         if mindist < us_dist(15):
>>             fwd()
>>             print("forward2x",us_dist(15))
>>             time.sleep(2)
>>             stop()
>>
>> # This is a simple check to determine if the script was run by itself
>> # or if it was imported by another script. If it was imported it will
>> # fail this check and not run the code but will allow access to the
>> # function defined above.
>> if __name__ == '__main__':
>>     MainLoop()
>>