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maloja/lastfmconverter.py

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import sys, os, datetime, re, cleanup
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from cleanup import *
from utilities import *
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log = open(sys.argv[1])
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outputlog = open(sys.argv[2],"w")
checksumfile = open(sys.argv[2] + ".rulestate","w") #this file stores an identifier for all rules that were in place when the corresponding file was created
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c = CleanerAgent()
stamps = [99999999999999]
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for l in log:
l = l.replace("\n","")
data = l.split(",")
artist = data[0]
album = data[1]
title = data[2]
time = data[3]
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(artists,title) = c.fullclean(artist,title)
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artistsstr = "".join(artists)
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timeparts = time.split(" ")
(h,m) = timeparts[3].split(":")
months = {"Jan":1,"Feb":2,"Mar":3,"Apr":4,"May":5,"Jun":6,"Jul":7,"Aug":8,"Sep":9,"Oct":10,"Nov":11,"Dec":12}
timestamp = int(datetime.datetime(int(timeparts[2]),months[timeparts[1]],int(timeparts[0]),int(h),int(m)).timestamp())
## We prevent double timestamps in the database creation, so we technically don't need them in the files
## however since the conversion from lastfm to maloja is a one-time thing, we should take any effort to make the file as good as possible
if (timestamp < stamps[-1]):
pass
elif (timestamp == stamps[-1]):
timestamp -= 1
else:
while(timestamp in stamps):
timestamp -= 1
if (timestamp < stamps[-1]):
stamps.append(timestamp)
else:
stamps.insert(0,timestamp)
entry = "\t".join([str(timestamp),artistsstr,title,album])
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outputlog.write(entry)
outputlog.write("\n")
checksumfile.write(c.checksums)
log.close()
outputlog.close()
checksumfile.close()
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