Created
January 12, 2011 14:38
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Example of Generating URLs for downloading
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""" | |
Creates a list of URLs to stdout based on repeating patterns found in the site, suitable for use with WGET or CURL. | |
""" | |
import datetime | |
scopes=[ | |
"aries", | |
"taurus", | |
"gemini", | |
"cancer", | |
"leo", | |
"virgo", | |
"libra", | |
"scorpio", | |
"sagittarius", | |
"capricorn", | |
"aquarius", | |
"pisces" | |
] | |
daily_urlbases=[ | |
("overview","http://shine.yahoo.com/astrology/%s/daily-overview/%i/"), | |
("extended","http://shine.yahoo.com/astrology/%s/daily-extended/%i/"), | |
("daily-teen","http://shine.yahoo.com/astrology/%s/daily-teen/%i/"), | |
("daily-love","http://shine.yahoo.com/astrology/%s/daily-love/%i/"), | |
("daily-career","http://shine.yahoo.com/astrology/%s/daily-career/%i/"), | |
] | |
yearly_urlbases=[ | |
("yearly","http://shine.yahoo.com/astrology/%s/yearly-overview/"), | |
("yearly-love","http://shine.yahoo.com/astrology/%s/yearly-love/"), | |
("yearly-career","http://shine.yahoo.com/astrology/%s/yearly-career/") | |
] | |
weekly_urlbases=[ | |
("weekly","http://shine.yahoo.com/astrology/%s/weekly-overview/%i/"), | |
("weekly-love","http://shine.yahoo.com/astrology/%s/weekly-love/%i/"), | |
("weekly-career","http://shine.yahoo.com/astrology/%s/weekly-career/%i/") | |
] | |
monthly_urlbases=[ | |
("monthly","http://shine.yahoo.com/astrology/%s/monthly-overview/%i/"), | |
("monthly-love","http://shine.yahoo.com/astrology/%s/monthly-love/%i/"), | |
("monthly-career","http://shine.yahoo.com/astrology/%s/monthly-career/%i/") | |
] | |
class dateincrement: | |
def __init__(self,initialdate=datetime.datetime(2009,12,31),scale=datetime.timedelta(days=1)): | |
self.thisdate=initialdate | |
self.scale=scale | |
def next(self): | |
if self.thisdate + self.scale < datetime.datetime(2011,1,1): | |
self.thisdate += self.scale | |
return self.thisdate | |
else: | |
return False | |
class monthincrement: | |
def __init__(self,initialmonth=0): | |
self.month=initialmonth | |
def next(self): | |
if self.month < 12: | |
self.month += 1 | |
return datetime.datetime(2010,self.month,1) | |
else: | |
return False | |
dayobj=None | |
weekobj=None | |
monthObj=None | |
def makeObjects(): | |
dayobj = dateincrement() | |
weekobj = dateincrement(datetime.datetime(2009,12,28),datetime.timedelta(days=7)) | |
monthobj = monthincrement() | |
def testobj(obj): | |
while True: | |
result=obj.next() | |
if result: | |
print result | |
else: | |
break | |
def testallobjs(): | |
testobj(dayobj) | |
testobj(weekobj) | |
testobj(monthobj) | |
pad = lambda x: str(x).rjust(2,"0") | |
def generate_urls(thelist,theobj): | |
results=[] | |
while True: | |
d=theobj.next() | |
print d | |
if d: | |
for url in thelist: | |
for month in scopes: | |
datestr=int(str(d.year)+pad(d.month)+pad(d.day)) | |
print repr(month) | |
print repr(datestr) | |
aresult=url[1] % (month,datestr) | |
print aresult | |
results.append((url[0]+"_"+month,datestr,aresult)) | |
else: | |
break | |
return results | |
def generate_yearly_urls(thelist): | |
results=[] | |
for url in thelist: | |
for month in scopes: | |
print repr(month) | |
aresult=url[1] % month | |
print aresult | |
results.append((url[0]+"_"+month,"2010",aresult)) | |
return results | |
import sys | |
from urllib import urlopen | |
#from BeautifulSoup import BeautifulSoup | |
from Queue import Queue, Empty | |
from threading import Thread | |
visited = set() | |
queue = Queue() | |
def get_parser(): | |
def parse(): | |
try: | |
while True: | |
url = queue.get_nowait() | |
print "GRABBING: " + repr(url) | |
try: | |
content = urlopen(url[2]).read() | |
f=open("output/"+url[0]+"_"+str(url[1])+".html",'w') | |
f.write(content) | |
f.close() | |
if len(content) > 10000: | |
url.task_done() | |
except: | |
print "PASS: " + repr(url) | |
pass | |
except Empty: | |
pass | |
return parse | |
if __name__ == "__main__": | |
daily=generate_urls(daily_urlbases,dateincrement()) | |
weekly=generate_urls(weekly_urlbases,dateincrement(datetime.datetime(2009,12,28),datetime.timedelta(days=7))) | |
monthly=generate_urls(monthly_urlbases,monthincrement()) | |
yearly=generate_yearly_urls(yearly_urlbases) | |
combined = daily+weekly+monthly+yearly | |
parser = get_parser() | |
for x in combined: | |
#queue.put(x) | |
print x[2] | |
workers=[] | |
# for i in range(5): | |
#worker = Thread(target=parser) | |
#worker.start() | |
#works.append(worker) | |
#for worker in workers: | |
#worker.join() |
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