def detectChanges(jsonFilePath, listOfUrls):
global nrOfChanges
global worker_counter
#print(jsonFilePath)
#print("--------------------")
#print(str(len(listOfUrls)))
#print("--------------------")
jsonDict = dict()
#json-files may be incorrectly formed,
#in that case one cannot load it into dictionary
isValidJsonFile=True
try:
#open json file
#load file into dictionary-type:
jsonDict = json.load(open(jsonFilePath))
except:
isValidJsonFile=False
pass
#print(str(isValidJsonFile))
#get URL from the current dict
if(isValidJsonFile):
#hash is sha224
for key in jsonDict.keys():
#if key is currently not a base_url, it is filename
#under filename-key, there can be among other metadata
#one or more content SHAs
#URL to that file (document) in web
if(key != 'base_url'):#key is sha of file's URL, elsewhere saved into variable localFilename
#structure:
#sha of filename
###sha of file content
######metadata of file + (filename , sha(file content),
###### human-readable file url (under key 'file_url'), accessed date)
###sha of file another (updated) content
######metadata...
fileSHAs = list(jsonDict[key].keys())#list of SHA's of file content at time of accessing this file
arbitrFileSha = fileSHAs[0]#this is only for getting file URL
fileUrl = jsonDict[key][arbitrFileSha]["file_url"]
redirectedTo=0
try:
redirectedTo = requests.get(fileUrl).url
except:
comm.printException(comm.updateErrorsFilePath, errString="open_url")
continue #continue with next URL in loop
if(redirectedTo!=0):
#print(str(redirectedTo))
#read the doc's content at current moment
try:
pageread = (requests.get(redirectedTo)).text
except:
comm.printException(comm.updateErrorsFilePath, errString="pageread1")
try:
pageread = ((requests.get(redirectedTo)).text.encode('utf-8').strip())
except Exception as e:
comm.printException(comm.updateErrorsFilePath, errString="pageread2")
print(e)
continue
#get hash of this doc
fileContentSha224 = (hashlib.sha224(pageread.encode('utf-8')).hexdigest())
#check if content is changed meanwhile
if(fileContentSha224 not in fileSHAs):#data has changed!!!
#collect number of changes
nrOfChanges += 1
#as a content of this doc has changed, send its URL to the worker
#for extracting entities
#fill the list of URLs
listOfUrls.append(fileUrl)
''''''
postListSize = postToWorker.defPostListSize(worker_counter, ipList_tuple)
#send certain amount of URLs to each worker, then empty the list of URLS
if(len(listOfUrls) == postListSize):
#send list of urls to worker
worker_counter = postToWorker.detectConnection(ipList, worker_counter, listOfUrls)
#empty list of object names
#to prepare it for the next worker
del listOfUrls[:]
#prepare next worker
worker_counter += 1
if (worker_counter > (len(ipList)-1)):#last worker in the workers list
#start over from first worker in the workers list
worker_counter = 0
def detectChanges(jsonFilePath, listOfUrls):
global nrOfChanges
global worker_counter
#print(jsonFilePath)
#print("--------------------")
#print(str(len(listOfUrls)))
#print("--------------------")
jsonDict = dict()
#json-files may be incorrectly formed,
#in that case one cannot load it into dictionary
isValidJsonFile = True
try:
#open json file
#load file into dictionary-type:
jsonDict = json.load(open(jsonFilePath))
except:
isValidJsonFile = False
pass
#print(str(isValidJsonFile))
#get URL from the current dict
if (isValidJsonFile):
#hash is sha224
for key in jsonDict.keys():
#if key is currently not a base_url, it is filename
#under filename-key, there can be among other metadata
#one or more content SHAs
#URL to that file (document) in web
if (
key != 'base_url'
): #key is sha of file's URL, elsewhere saved into variable localFilename
#structure:
#sha of filename
###sha of file content
######metadata of file + (filename , sha(file content),
###### human-readable file url (under key 'file_url'), accessed date)
###sha of file another (updated) content
######metadata...
fileSHAs = list(
jsonDict[key].keys()
) #list of SHA's of file content at time of accessing this file
arbitrFileSha = fileSHAs[0] #this is only for getting file URL
fileUrl = jsonDict[key][arbitrFileSha]["file_url"]
redirectedTo = 0
try:
redirectedTo = requests.get(fileUrl).url
except:
comm.printException(comm.updateErrorsFilePath,
errString="open_url")
continue #continue with next URL in loop
if (redirectedTo != 0):
#print(str(redirectedTo))
#read the doc's content at current moment
try:
pageread = (requests.get(redirectedTo)).text
except:
comm.printException(comm.updateErrorsFilePath,
errString="pageread1")
try:
pageread = ((requests.get(redirectedTo)
).text.encode('utf-8').strip())
except Exception as e:
comm.printException(comm.updateErrorsFilePath,
errString="pageread2")
print(e)
continue
#get hash of this doc
fileContentSha224 = (hashlib.sha224(
pageread.encode('utf-8')).hexdigest())
#check if content is changed meanwhile
if (fileContentSha224
not in fileSHAs): #data has changed!!!
#collect number of changes
nrOfChanges += 1
#as a content of this doc has changed, send its URL to the worker
#for extracting entities
#fill the list of URLs
listOfUrls.append(fileUrl)
''''''
postListSize = postToWorker.defPostListSize(
worker_counter, ipList_tuple)
#send certain amount of URLs to each worker, then empty the list of URLS
if (len(listOfUrls) == postListSize):
#send list of urls to worker
worker_counter = postToWorker.detectConnection(
ipList, worker_counter, listOfUrls)
#empty list of object names
#to prepare it for the next worker
del listOfUrls[:]
#prepare next worker
worker_counter += 1
if (worker_counter >
(len(ipList) -
1)): #last worker in the workers list
#start over from first worker in the workers list
worker_counter = 0
#avoid double work,
#post only distinct URLs
distinct_urls = set()
with open(mylargefile) as f:
for line in f:
nr_of_log_rows += 1 #for statistics
plineUrl = processline(line)
if (plineUrl is not None) & (plineUrl != ""):
if (plineUrl not in distinct_urls) & (
'icomoon' not in plineUrl.lower()) & (
'hobekivi' not in plineUrl.lower()):
distinct_urls.add(plineUrl)
#delete_counter += 1
line_counter += 1
urlsList.append(plineUrl)
postListSize = postToWorker.defPostListSize(
worker_counter, ipList_tuple)
#send certain amount of URLs to each worker, then empty the list of URLS
if (len(urlsList) == postListSize):
#post the list until connected to worker is successful
worker_counter = postToWorker.detectConnection(
ipList, worker_counter, urlsList)
#postreq_dir
jf = open(comm.postreq_path, 'a')
jf.write(
time.strftime("%d/%m/%Y_%H:%M:%S") +
" just posted to: " +
str(ipList[worker_counter]) + "\n")
jf.close()
del urlsList[:] #empty list of urls
#delete_counter = 0
urlsList = []
#avoid double work,
#post only distinct URLs
distinct_urls = set()
with open(mylargefile) as f:
for line in f:
nr_of_log_rows += 1 #for statistics
plineUrl = processline(line)
if(plineUrl is not None)&(plineUrl != ""):
if(plineUrl not in distinct_urls)&('icomoon' not in plineUrl.lower())&('hobekivi' not in plineUrl.lower()):
distinct_urls.add(plineUrl)
#delete_counter += 1
line_counter += 1
urlsList.append(plineUrl)
postListSize = postToWorker.defPostListSize(worker_counter, ipList_tuple)
#send certain amount of URLs to each worker, then empty the list of URLS
if(len(urlsList) == postListSize):
#post the list until connected to worker is successful
worker_counter = postToWorker.detectConnection(ipList, worker_counter, urlsList)
#postreq_dir
jf = open(comm.postreq_path, 'a')
jf.write(time.strftime("%d/%m/%Y_%H:%M:%S") + " just posted to: " + str(ipList[worker_counter]) + "\n")
jf.close()
del urlsList[:] #empty list of urls
#prepare next worker
worker_counter += 1
if (worker_counter > (len(ipList)-1)):
