def get_top_artists():
""" Get the top 5 artists from last.fm """
weekoffset=0
##############################################################
# Apparently if you don't use Sunday 12:00 GMT then
# last.fm won't return anything
##############################################################
curdate=datetime.today()
curday=datetime(curdate.year,curdate.month,curdate.day,21,0,0)
logging.info("Today is weekday #" + str(curday.weekday()))
dayspastsunday=curday.weekday()+1
if (dayspastsunday!=7):
curday=curday-timedelta(days=dayspastsunday)
if weekoffset>0:
curday=curday-timedelta(days=(weekoffset*7))
etime=int(mktime(curday.timetuple()))
prevsun=curday-timedelta(days=7)
stime=int(mktime(prevsun.timetuple()))
logging.info("Most recent Sunday in GMT = %s" % curday.strftime("%d %b %Y %H %M"))
logging.info("Sunday before most recent Sunday in GMT = %s" % prevsun.strftime("%d %b %Y %H %M"))
for i in range(1,6):
fname=str(i)+".png"
if os.path.exists(fname):
os.unlink("images/temp/" + str(i)+".png")
##############################################################
# First get top artists data
##############################################################
logging.info("Getting top artists from last.fm...")
chart_type='user.getweeklyartistchart&from=%s&to=%s' % (str(stime),str(etime))
chart_type='user.gettopartists&period=6month'
#title_text="Top artists for the week ending " + endDate.strftime("%d %b %Y")
title_text = 'Top artists (last 6 months)'
webutils=WebUtils()
chart_url = 'http://ws.audioscrobbler.com/2.0/?user=%s&api_key=%s&format=json&method=%s' % (LFM_USER_NAME,API_KEY,chart_type)
chart = webutils.get_web_json(chart_url)
if chart==None:
logging.error("Couldn't get chart; exiting...")
exit(1)
artists = chart['topartists']['artist']
#end_date_string=int(xmldoc.documentElement.getElementsByTagName("weeklyartistchart")[0].attributes["to"].value)
#end_date=datetime.fromtimestamp(end_date_string)
maxrank=5
artist_list={}
for a in artists:
rank=int(a['@attr']['rank'])
if rank<=maxrank:
name=a['name']
url=a['url']
plays=int(a['playcount'])
artist=Artist(name, rank, url, plays)
artist_list[rank]=artist
logging.info('Getting image url from last.fm for %s...' % name)
enc_artist=webutils.encode(name)
aurl = 'http://ws.audioscrobbler.com/2.0/?method=artist.getinfo&artist=%s&api_key=%s&format=json' % (enc_artist,API_KEY)
artist_info_obj=webutils.get_web_json(aurl)
if artist_info_obj==None:
logging.error("Couldn't get artist info for "+name+". Exiting...")
exit(1)
artist_info = artist_info_obj['artist']
##############################################################
# Find the medium size image (width=45)
##############################################################
a_images = artist_info['image']
for img in a_images:
if img['size'] == 'medium':
image_url = img['#text']
artist.image_url = image_url
fname = "images/temp/" + str(rank) + ".png"
webutils.save_image(image_url,fname)
#dte_str=end_date.strftime("%Y%m%d")
dte_str=date.today().strftime("%Y%m%d")
logging.info("Creating image...")
img=LastFMImage(artist_list,title_text)
logging.info("Saving image...")
img.save('results/lastfm-%s.png',dte_str)
