def init():
status,data,update_date=cron.check()
if status:
#download index changed
dic=parseIndex(data)#fetch json of data
if dic is None:
sys.exit(0)
updateFiles(dic)
stats={}
stats['lastUpdated']=update_date.strip()
stats["files"]={}
for key in dic:
if key in config.getConfig("tracking_files"):
stats["files"][key]=dic[key].strip()
try:
del stats["files"]["../"] #remove parent index
except KeyError:
pass
try:
open("stats.json","w").write(json.dumps(stats, indent=4, sort_keys=True))
log.put("Stats updated","SUCCESS")
except:
log.put("Cannot update stats","FAIL")
log.headPut("Finished cron-dbpedia","SUCCESS")
else:
#No change exit silently
sys.exit(0)
def loadStats():
global stats
try:
stats = json.loads(open("stats.json", "r").read())
log.put("Read stats", "SUCCESS")
except Exception as e:
log.put("Read stats", "FAIL")
sys.exit(0)
def loadStats():
global stats
try:
stats=json.loads(open("stats.json","r").read())
log.put("Read stats","SUCCESS")
except Exception as e:
log.put("Read stats","FAIL")
sys.exit(0)
def parseIndex(data):
log.put("Start parsing index","INFO")
soup=bs(data)
pres=soup.find("pre")
dic={}
if pres is not None:
aas=pres.findAll("a")
for aaas in aas:
if aaas is not None:
dic[aaas.get("href").strip()]=aaas.next_sibling.split("\t")[0].strip()
return dic
else:
log.put("Parsing error no pre tag","ERROR")
return None
def dlfile(url):
# Open the url
try:
f = urlopen(url)
print "downloading " + url
# Open our local file for writing
with open(os.path.basename(url), "wb") as local_file:
local_file.write(f.read())
log.put("Download success "+url,"SUCCESS")
log.put("Starting decompressing","INFO")
os.system("bunzip2 -d "+os.path.basename(url))
log.put("File decompressed "+url,"SUCCESS")
#handle errors
except HTTPError, e:
print "HTTP Error:", e.code, url
log.put("Download failed "+url,"ERROR")
def downloadPage():
global stats
url = config.getConfig("base_url")
html_data = None
try:
response = u.urlopen(url)
response_headers = response.info().dict
html_data = response.read()
log.put("Index page downloaded", "SUCCESS")
last_update_date = response_headers["date"].strip()
if stats['lastUpdated'] != last_update_date:
log.put("New version available", "INFO")
return True, html_data, last_update_date
else:
log.put("New version not available", "INFO")
return False, None, None
except Exception as e:
log.put("Index page failed to download", "FAIL")
return False, None, None
def downloadPage():
global stats
url=config.getConfig("base_url")
html_data=None
try:
response=u.urlopen(url)
response_headers = response.info().dict
html_data=response.read()
log.put("Index page downloaded","SUCCESS")
last_update_date=response_headers["date"].strip()
if stats['lastUpdated']!=last_update_date:
log.put("New version available","INFO")
return True,html_data,last_update_date
else:
log.put("New version not available","INFO")
return False,None,None
except Exception as e:
log.put("Index page failed to download","FAIL")
return False,None,None
def getConfig(key):
try:
return c[key]
except KeyError as e:
log.put(key + " not present in config", "WARNING")
return None
import json, log, sys
c = None
try:
c = json.loads(open("config.json", "r").read())
log.put("Read config", "SUCCESS")
except Exception as e:
log.put("Read config", "FAIL")
sys.exit(0)
def getConfig(key):
try:
return c[key]
except KeyError as e:
log.put(key + " not present in config", "WARNING")
return None
def getConfig(key): try: return c[key] except KeyError as e: log.put(key+" not present in config","WARNING") return None
import json,log,sys
c=None
try:
c=json.loads(open("config.json","r").read())
log.put("Read config","SUCCESS")
except Exception as e:
log.put("Read config","FAIL")
sys.exit(0)
def getConfig(key):
try:
return c[key]
except KeyError as e:
log.put(key+" not present in config","WARNING")
return None
def updateFiles(dic):
log.put("Downloading tracked files","INFO")
li=config.getConfig("tracking_files") #list of files to be updated
for l in li:
try:
if(cron.stats["files"][l]!=dic[l]):
#file changed
dlfile(config.getConfig("base_url")+l)
log.put("Parsing "+config.getConfig("base_url")+l,"INFO")
nt.parseURI(l.replace(".bz2",""),l.split(".")[0],l.replace(".bz2",""),l.split(".")[0])
log.put("Parsed "+config.getConfig("base_url")+l,"SUCCESS")
except KeyError:
dlfile(config.getConfig("base_url")+l)
log.put("Parsing "+config.getConfig("base_url")+l,"INFO")
nt.parseURI(l.replace(".bz2",""),l.split(".")[0])
log.put("Parsed "+config.getConfig("base_url")+l,"SUCCESS")
log.put("Tracked files updated","SUCCESS")
log.put("Deleting all files from cache","INFO")
os.system("rm *.nt")
os.system("rm *.ttl")
log.put("Files deleted from cache","SUCCESS")
print "downloading " + url
# Open our local file for writing
with open(os.path.basename(url), "wb") as local_file:
local_file.write(f.read())
log.put("Download success "+url,"SUCCESS")
log.put("Starting decompressing","INFO")
os.system("bunzip2 -d "+os.path.basename(url))
log.put("File decompressed "+url,"SUCCESS")
#handle errors
except HTTPError, e:
print "HTTP Error:", e.code, url
log.put("Download failed "+url,"ERROR")
except URLError, e:
print "URL Error:", e.reason, url
log.put("Download failed "+url,"ERROR")
def updateFiles(dic):
log.put("Downloading tracked files","INFO")
li=config.getConfig("tracking_files") #list of files to be updated
for l in li:
try:
if(cron.stats["files"][l]!=dic[l]):
#file changed
dlfile(config.getConfig("base_url")+l)
log.put("Parsing "+config.getConfig("base_url")+l,"INFO")
nt.parseURI(l.replace(".bz2",""),l.split(".")[0],l.replace(".bz2",""),l.split(".")[0])
log.put("Parsed "+config.getConfig("base_url")+l,"SUCCESS")
except KeyError:
dlfile(config.getConfig("base_url")+l)
log.put("Parsing "+config.getConfig("base_url")+l,"INFO")