Python loop to run for certain amount of seconds

Question

I have a while loop  and I want it to keep running through for 15 minutes  it is currently   while True       blah blah blah    this runs through  and then restarts  I need it to continue doing this except after 15 minutes it exits the loop   Thanks

User · Answer

If I understand you  you can do it with a datetime timedelta  -  import datetime  endTime   datetime datetime now     datetime timedelta minutes 15  while True    if datetime datetime now    gt   endTime      break     Blah     Blah

User · Answer

Try this   import time  t end   time time     60   15 while time time    lt  t end        do whatever you do   This will run for 15 min x 60 s   900 seconds   Function time time returns the current time in seconds since 1st Jan 1970  The value is in floating point  so you can even use it with sub-second precision  In the beginning the value t end is calculated to be  now    15 minutes  The loop will run until the current time exceeds this preset ending time

User · Answer

try this    import time import os  n   0 for x in range 10    enter your value here     print n      time sleep 1   to wait a second     os system  cls    to clear previous number                       use   clear   if you are using linux or mac      n   n   1

User · Answer

Simply You can do it  import time delay 60 15       for 15 minutes delay  close time time time   delay while True          bla bla          bla bla      if time time   gt close time          break

User · Answer

For those using asyncio  an easy way is to use asyncio wait for     async def my loop        res   False     while not res          res   await do something    await asyncio wait for my loop    10

User · Answer

I was looking for an easier-to-read time-loop when I encountered this question here  Something like   for sec in max seconds 10         do something     So I created this helper     allow easy time-boxing   for sec in max seconds 42   do something    def max seconds max seconds     interval 1       interval   int interval      start time   time time       end time   start time   max seconds     yield 0     while time time    lt  end time          if interval  gt  0              next time   start time             while next time  lt  time time                    next time    interval             time sleep int round next time - time time              yield int round time time   - start time           if int round time time     interval    gt  int round end time                 return   It only works with full seconds which was OK for my use-case   Examples   for sec in max seconds 10    - gt  0  1  2  3  4  5  6  7  8  9  10 for sec in max seconds 10  interval 3    - gt  0  3  6  9 for sec in max seconds 7   sleep 1 5    - gt  0  2  4  6 for sec in max seconds 8   sleep 1 5    - gt  0  2  4  6  8   Be aware that interval isn t that accurate  as I only wait full seconds  sleep never was any good for me with times  lt  1 sec   So if your job takes 500 ms and you ask for an interval of 1 sec  you ll get called at  0  500ms  2000ms  2500ms  4000ms and so on  One could fix this by measuring time in a loop rather than sleep

[python] Python loop to run for certain amount of seconds

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