Morevna Changeset - 338f35e10633

Changeset - 338f35e10633

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Laman - 8 years ago 2017-11-01 16:46:54

added ETA to progress

1 file changed with 45 insertions and 3 deletions:

src/util.py

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src/util.py

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 import math
 import os
 import sys
 import collections
 from datetime import datetime
 def spawnDaemon(fun):
@@ @@ -45,22 +48,61 @@ class Progress: @@
 		self._i0=i0
 		self._i=i0
 		self._last=""
 		self._past=collections.deque()
 	def p(self,i):
 		i0=self._i0
 		n=self._n
 		now=datetime.now()
 		assert i0<=i<n or n<i<=i0, (i0,i,n)
 		percentage=Progress._p(i,n,i0)
 		res="{0}%".format(percentage)
 		if res!=self._last:
 			print(res,end="\r")
 		if len(self._past)==0 or (now-self._past[-1][0]).total_seconds()>1:
 			self._past.append((now,i))
 		if res!=self._last or (now-self._past[0][0]).total_seconds()>5:
 			eta=formatSeconds(self.eta(i))
 			self._print("{0} (ETA {1})".format(res,eta))
 			self._last=res
 			while (now-self._past[0][0]).total_seconds()>5:
 				self._past.popleft()
 	def done(self):
 		print("100%")
 		self._print("100%",end="\n")
 	def eta(self,i2):
 		t2=datetime.now()
 		(t1,i1)=self._past[0]
 		if i2==i1: return float("nan")
 		return (self._n-i2)/(i2-i1)*(t2-t1).total_seconds()
 	@staticmethod
 	def _p(i,n,i0):
 		_1=1 if n>=i0 else -1
 		return 100*(i+_1-i0)//(n-i0)
 	def _print(self,s,end=""):
 		print("\r"+" "*80,end="")
 		print("\r"+s,end=end)
 def formatSeconds(secs):
 	if math.isnan(secs): return "?"
 	secs=round(secs)
 	if secs<60: return "{0}s".format(secs)
 	mins=secs//60
 	secs%=60
 	if mins<60: return "{0:02}:{1:02}".format(mins, secs)
 	hours=mins//60
 	mins%=60
 	return "{0:02}:{1:02}:{2:02}".format(hours, mins, secs)
 if __name__=="__main__":
 	import random
 	import time
 	progress=Progress(100)
 	for i in range(1,100):
 		progress.p(i)
 		time.sleep(random.random()*2)
 	progress.done()

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