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searchengine.py
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# -*- coding: utf-8 -*-
import mechanize
import re
from bs4 import BeautifulSoup as bs4
import time
import urlparse
import genparsing
from urllib import urlretrieve
import Queue
import threading
import time
import os
class ndict(dict):
def __missing__(self,key):
result = self[key] = ndict()
return result
def findkey(self,value,dictelement):
for k,v in dictelement.items():
if isinstance(v, dict):
p = self.findkey(value,v)
if p:
return [k] + p
elif v == value:
return [k]
class ChannelDict(object):
def __init__(self):
self.__channeldict=zip(0, mediathek_dict.keys())
@property
def channeldict(self):
return self.channeldict
def returnactivated(self):
activ_list=[]
for key in self.__channeldict:
if self.__channeldict==1:
activ_list.append(key)
return activ_list
def activateChannel(self,channel):
try:
self.__channeldict[channel]=1
except:
print "That channel doesn't exist"
def resetChannel(self,channel):
try:
self.__channeldict[channel]=0
except:
print "That channel doesn't exist"
def resetAll(self,channel):
self.__channeldict=zip(0,mediathek_dict.keys())
mediathek_dict =\
{"ARD":"http://www.ardmediathek.de/tv",
"ZDF":"http://www.zdf.de/ZDFmediathek/hauptnavigation/startseite?flash=off",
"ARTE":"http://www.arte.tv/guide/de/plus7/",
"NDR":"https://www.ndr.de/mediathek/",
"3sat":"https://www.3sat.de/mediathek/"}
################### ARD #####################
ard_alpha_url = "/sendungen-a-z?sendungsTyp=sendung&buchstabe="
###############################################
################## ZDF ########################
zdf_alpha_url = "/sendung-a-bis-z/saz"
#insert number between 0-8
################## 3sat ########################
DRsat_alpha_url = "?mode=sendungenaz"
#append number between 0-1
DRsat_xml_url = "xmlservice/web/beitragsDetails?id="
############################################################################
class ThreadedSearch(object):
def __init__(self):
self.searchen=PythekSearchEngine()
self.vidlink = ""
if not os.path.exists("dynamic_pics"):
os.mkdir("dynamic_pics")
def run(self, command, channels, url=".", parent_key=".", search_query=".", filters="."):
self.result_dict = None
self.vidlink = None
if "generate" in command:
for channel in channels:
t = threading.Thread(target=self.searchen.generateVidLink, args=(url,channel))
t.start()
t.join()
print "VideoLink: "+self.searchen.vidlink
self.vidlink=self.searchen.vidlink
if "alphabetical" in command:
threads=[]
self.searchen.init_search_data()
for channel in channels:
print "starting thread for "+channel
t = threading.Thread(target=self.searchen.searchAlphabetical, args=(channel,search_query))
t.start()
threads.append(t)
for t in threads:
t.join()
self.result_dict = self.searchen.search_dict
if "episodes" in command:
for channel in channels:
print "starting episode search thread for "+channel
t = threading.Thread(target=self.searchen.searchEpisodes, args=(parent_key,url,channel))
t.start()
t.join()
self.result_dict = self.searchen.search_dict
class PythekSearchEngine(object):
def __init__(self):
self.__result_dict = ndict()
#self.__ch_dict = ChannelDict()
self.parsing = genparsing.GenParsing()
self.vidlink = ""
###############################################################################
def init_search_data(self):
self.search_dict = ndict()
def searchAlphabetical(self,channel,search_query):
if "zdf" in channel:
self.search_dict.update(self.ZDFsearch("alphabetical","",search_query))
if "ard" in channel:
self.search_dict.update(self.ARDsearch("alphabetical","",search_query))
if "drsat" in channel:
self.search_dict.update(self.DRsatsearch("alphabetical","",search_query))
if "ndr" in channel:
self.search_dict.update(self.ARDsearch("alphabetical","",search_query))
return self.search_dict
def searchEpisodes(self,parent_key,url,channel):
if "zdf" in channel:
self.search_dict[parent_key]["episodes"]=self.ZDFsearch("episodes",url)
if "ard" in channel:
self.search_dict[parent_key]["episodes"]=self.ARDsearch("episodes",url)
if "drsat" in channel:
self.search_dict.update(self.DRsatsearch("episodes",url))
if "ndr" in channel:
self.search_dict.update(self.ARDsearch("episodes",url))
return self.search_dict
def generateVidLink(self,url,channel):
self.vidlink = self.parsing.parsing(url,2,channel)
return self.vidlink
def ARDThreadedRange(self,range_list,search_type,url=".",search_query="."):
result_list = ndict()
threads = []
for url_item in range_list:
print "starting episode thread for ard"
t = threading.Thread(target=self.ARDSearchAndParse, args=(["url","thumb","number","name"],url_item,search_query))
t.start()
threads.append(t)
for t in threads:
t.join()
result_list.update(self.ard_list)
return result_list
def ARDsearch(self,searchtype,url=".",search_query="."):
#ard_list= ndict()
temp_list = []
letter_list = []
ard_base_url = mediathek_dict["ARD"]
if "alphabetical" in searchtype:
self.ard_list= ndict()
for i in range(65,65+26):
letter_list.append(ard_base_url+ard_alpha_url+chr(i))
letter_list.append(ard_base_url+ard_alpha_url+"0-9")
return self.ARDThreadedRange(letter_list,"alphabetical",".",search_query)
if "episodes" in searchtype:
self.ARDSearchAndParse(['url','thumb','length','date','number','name','broadcast'],url)
return self.ard_list
def ARDSearchAndParse(self, arguments, url,search_query="."):
self.ard_list = ndict()
ard_base_url = mediathek_dict["ARD"]
br = clickLink(url,"no")
html = bs4(br.response().read(),"lxml")
user_query=re.compile(search_query.lower())
templink=""
if search_query==".":
broadcast_list = html.findAll('div',{"data-ctrl-contentsoptionallayouter-entry":"{}"})
else:
broadcast_list = html.findAll('div',{"data-ctrl-sendungenabiszmodminioptionallayouter-entry":"{}"})
for item in broadcast_list:
if (user_query.search(item.find("h4").text.lower())):
entrykey = item.find("h4").text.encode("utf8")
#print entrykey
parsed = urlparse.urlparse(item.find("a",{"class":"mediaLink"})["href"])
recdocumentID = urlparse.parse_qs(parsed.query)['documentId'][0]
arg_len = len(arguments)
for i in range(0,arg_len):
if arguments[i]=="url":
if search_query==".":
self.ard_list[entrykey][arguments[i]]= 'http://www.ardmediathek.de/play/media/'+recdocumentID+'?devicetype=pc&features=flash'
else:
self.ard_list[entrykey][arguments[i]]='http://www.ardmediathek.de'+item.find("a",{"class":"mediaLink"})["href"]
if arguments[i]=="thumb":
temp_item=item.find("img",{"class":"img hideOnNoScript"})["data-ctrl-image"]
temp_item=temp_item.split("':'")[2].split("'}")[0].replace("##width##","200")
temp_thumb="http://www.ardmediathek.de"+temp_item
urlretrieve(temp_thumb,"dynamic_pics/ard"+recdocumentID+".jpeg")
self.ard_list[entrykey][arguments[i]]=[temp_thumb,"dynamic_pics/ard"+recdocumentID+".jpeg"]
if arguments[i]=="number":
self.ard_list[entrykey][arguments[i]]=item.find("p",{"class":"dachzeile"}).text.encode("utf8")
if arguments[i]=="length":
self.ard_list[entrykey][arguments[i]]=item.find("p",{"class":"subtitle"}).text.encode("utf8")
if arguments[i]=="date":
self.ard_list[entrykey][arguments[i]]=item.find("p",{"class":"dachzeile"}).text.encode("utf8")
if arguments[i]=="broadcast":
self.ard_list[entrykey][arguments[i]]=html.find('h4',{"class":"headline"}).text.encode("utf8")
if arguments[i]=="additional":
try:
desc_list = html.findAll('div',{"class":"FloatText mediathek_float_da_box_mediathek_ListBoxText"})
for item in desc_list:
if recDocumentID in item.a["href"]:
self.ard_list[entrykey][arguments[i]]= item.find("b")
except Exception as e:
print e
if arguments[i]=="name":
self.ard_list[entrykey][arguments[i]]=entrykey
self.ard_list[entrykey]["channel"]="ard"
return self.ard_list
#######################################################################
def DRsatSearch(searchtype,url=".",search_query="."):
DRsat_list = ndict()
DRsat_base_url = mediathek_dict["3sat"]
if "alphabetical" in searchtype:
for i in range(0,2):
index_url = DRsat_base_url+DRsat_alpha_url+str(i)
br = clickLink(index_url,"no")
temp_list = DRsatSearchAndParse(['url','thumb'],br,search_query)
DRsat_list.update(temp_list)
return DRsat_list
if "episodes" in searchtype:
br = clickLink(url,"no")
temp_list = DRsatSearchAndParse(['url','thumb','length','additional'],br)
DRsat_list.update(temp_list)
return DRsat_list
def DRsatSearchAndParse(arguments,br,search_query="."):
DRsat_base_url = mediathek_dict["3sat"]
DRsat_list = ndict()
html = bs4(br.response().read(),"lxml")
documentID=re.compile('obj=[0-9]{3,8}')
user_query=re.compile(search_query)
broadcast_query=re.compile('\?red=[0-9a-zA-Z]{1,20}')
templink=""
broadcast_list = html.findAll('div',{"class":"BoxPicture MediathekListPic"})
for item in broadcast_list:
if (user_query.search(item.a["title"])):
entrykey = item.img["alt"]
arg_len = len(arguments)
for i in range(0,arg_len):
if arguments[i]=="url":
if search_query==".":
recdocumentID=documentID.search(item.a["href"]).group().replace("obj=","")
DRsat_list[entrykey][arguments[i]]=DRsat_base_url+DRsat_xml_url+recdocumentID
else:
DRsat_list[entrykey][arguments[i]]=item.a["href"]
if arguments[i]=="thumb":
temp_item=item.img["src"]
temp_thumb="http://www.3sat.de"+temp_item
urlretrieve(temp_thumb,"dynamic_pics/drsat"+recdocumentID+".jpeg")
DRsat_list[entrykey][arguments[i]]=[temp_thumb,"dynamic_pics/drsat"+recdocumentID+".jpeg"]
if arguments[i]=="length":
DRsat_list[entrykey][arguments[i]]=item.span.text
if arguments[i]=="additional":
try:
desc_list = html.findAll('div',{"class":"FloatText mediathek_float_da_box_mediathek_ListBoxText"})
for item in desc_list:
if recDocumentID in item.a["href"]:
DRsat_list[entrykey][arguments[i]]= item.find("b")
except Exception as e:
print e
else:
DRsat_list[entrykey][arguments[i]] = ""
return DRsat_list
#########################################################################
def ZDFsearch(self,searchtype,url=".",search_query="."):
self.zdf_list = ndict()
zdf_base_url = mediathek_dict["ZDF"]
if "alphabetical" in searchtype:
for i in range(0,9):
index_urlpart = zdf_alpha_url+str(i)
zdf_index_url=zdf_base_url.replace("startseite",index_urlpart)
br = clickLink(zdf_index_url,"no")
#first of four links includes the image for the broadcast
#every entry provide four links, we only want the third one
#which stores the description of the broadcast
temp_list = self.ZDFsearchAndParse(['url','thumb','sparte','number','name','channel'],br,search_query)
self.zdf_list.update(temp_list)
if "episodes" in searchtype:
br = clickLink(url,"no")
self.zdf_list = self.ZDFsearchAndParse(['url','thumb','number','length','name','channel'],br)
return self.zdf_list
def ZDFsearchAndParse(self,arguments,br,search_query="."):
zdf_base_url = mediathek_dict["ZDF"]
zdf_list = ndict()
templink=""
html=bs4(br.response().read(),"lxml")
documentID=re.compile('\/[0-9]{3,9}')
user_query=re.compile(search_query.lower())
for link in br.links():
if templink==link.url:
continue
templink=link.url
try:
recdocumentID = documentID.search(link.url).group().replace("/","")
recentlinks=html.findAll('a',href=re.compile(recdocumentID))
if user_query.search(recentlinks[2].text.lower()):
entrykey = str(recentlinks[2].text.encode("utf8")).replace("-"," ").replace("ü","ue")
#entrykey = "test"
#print entrykey
arg_len = len(arguments)
for i in range(0,arg_len):
if arguments[i]=="url":
if search_query==".":
parturl = "/ZDFmediathek/xmlservice/web/beitragsDetails?id="+recdocumentID
entryurl = zdf_base_url.replace("/ZDFmediathek/hauptnavigation/startseite?flash=off",parturl)
zdf_list[entrykey][arguments[i]]=entryurl.replace('\xc2\xad', '')
else:
parturl = recentlinks[2]["href"]
entryurl = zdf_base_url.replace("/ZDFmediathek/hauptnavigation/startseite?flash=off",parturl)
zdf_list[entrykey][arguments[i]]=entryurl.replace('\xc2\xad', '')
if arguments[i]=="thumb":
partthumb = recentlinks[0].img["src"]
entrythumb =zdf_base_url.replace("/ZDFmediathek/hauptnavigation/startseite?flash=off",partthumb).replace('\xc2\xad', '')
if entrythumb:
urlretrieve(entrythumb,"dynamic_pics/zdf"+recdocumentID+".jpeg")
zdf_list[entrykey][arguments[i]]=[entrythumb,"dynamic_pics/zdf"+recdocumentID+".jpeg"]
if arguments[i]=="sparte":
entrysparte = recentlinks[1].text
#entrysparte = "test"
zdf_list[entrykey][arguments[i]]=str(entrysparte)
if arguments[i]=="number":
entrynumber = recentlinks[3].text.replace("Ä","AE")
#entrynumber = "test"
zdf_list[entrykey][arguments[i]]=entrynumber
if arguments[i]=="name":
zdf_list[entrykey][arguments[i]]=entrykey
if arguments[i]=="length":
zdf_list[entrykey][arguments[i]]=str(recentlinks[1].text.encode("utf8"))
zdf_list[entrykey]["channel"]="zdf"
except Exception as e:
print e
print zdf_list
return zdf_list
##### MECHANIZE UTILITY #####
def clickLink(link,channelStr,br=None):
if br==None:
br = prepareBrow()
if channelStr!="no":
url = generateURL(link,channelStr)
else:
url = link
br.open(url)
return br
def generateURL(link,channelStr):
url =""
if channelStr == "ARD":
url = mediathek_dict["ARD"] + link[3:]
elif channelStr == "ZDF" and link=="":
url = mediathek_dict["ZDF"]
return url
def prepareBrow():
br = mechanize.Browser(factory=mechanize.DefaultFactory(i_want_broken_xhtml_support=True))
br.set_handle_robots(False)
br.set_handle_refresh(False)
br.addheaders = [('User-agent', 'Mozilla/5.0 (X11; U; Linux i686; de-DE; rv:1.9.0.1) Gecko/2008071615 Fedora/3.0.1-1.fc9 Firefox/3.0.1')]
br.open("http://google.com")
return br
if __name__=='__main__':
searchob = ThreadedSearch()
result_dict=searchob.run("alphabetical",["ard","zdf"], url=".", parent_key=".", search_query="test", filters=".")
print result_dict
result_dict=searchob.run("episodes",["ard"], url=result_dict[result_dict.keys()[0]]["url"], parent_key=result_dict.keys()[0])
print result_dict
#searchobject = PythekSearchEngine()
#test_query= raw_input("What looking for?\n")
#data_dict=searchobject.ARDsearch("alphabetical","",test_query)
#print data_dict
#data_dict= searchobject.ARDsearch("episodes",data_dict[data_dict.keys()[0]]['url'])
#print ""
#print ""
#print data_dict
#vid_link = genparsing.ARDJSONparsing(data_dict[data_dict.keys()[1]]['url'],"2")
#print vid_link