def visit_user(user_id , stack, known, edges, user_details, api, max_followers = 20 , max_follows = 20, max_bfs_add = 20 , max_collect_media = 20, collect_media_flag = 2, verbose = False):
print "\n\n\n\n\n\n\n#########+++++++++=========+++++++++#########"
# Collect User Data
try :
user = api.user(user_id)
except:
if verbose:
print user_id + " is private"
print "#########+++++++++=========+++++++++#########\n\n\n\n\n\n\n"
print "Current Stack Size : " + str(len(stack))
return stack
print "Initialized user :"******"User Id :" + user.id
print "User Full Name: " + user.full_name
print "Number of Images Posted : " + str(user.counts['media'])
print "Number of Followers : " + str(user.counts['followed_by'])
print "Number Follows: " +str(user.counts['follows'])
nodes = open("./userdata/nodes_known.csv",'a')
nodes.write(user.id + "\n")
nodes.close()
user_details.write(user.id + "," + user.username + "," + user.full_name.encode("utf-8","ignore") + "," + str(user.counts['media']) + "," + str(user.counts['followed_by']) + "," + str(user.counts['follows']) + ",")
if not os.path.exists('./profilepictures'):
os.makedirs('profilepictures')
# Collect the User Profile Picture and popularity of profile picture
if collect_media_flag > 0:
image.download_image(user.profile_picture,"./profilepictures/" + user.id + ".jpg")
mit_api = urllib2.urlopen('http://popularity.csail.mit.edu/cgi-bin/image.py?url=' + user.profile_picture) # collect mit popularity score.
mitoutput = json.load(mit_api)
user_details.write(str(mitoutput['popscore']) + "\n")
else:
user_details.write("\n")
# Show User Profile Picture
if verbose and collect_media_flag > 0:
profile_picture = cv2.imread("./profilepictures/" + user.id + ".jpg")
cv2.imshow(user.full_name,profile_picture)
cv2.waitKey(1)
# Collect user's graph neighborhood - follows
tryflag = True
while tryflag :
try:
follows, pagination = api.user_follows(user.id)
tryflag = False
except :
print "Sleeping ... "
print "Remaining API requests " + str(api.x_ratelimit_remaining) + " of " + str(api.x_ratelimit)
time.sleep(60)
print "Awake .. "
while pagination and len(follows) < max_follows:
tryflag = True
while tryflag :
try :
current_list, pagination = api.user_follows(with_next_url = pagination)
follows.extend(current_list)
tryflag = False
except :
print "Sleeping ..."
print "Remaining API requests " + str(api.x_ratelimit_remaining) + " of " + str(api.x_ratelimit)
time.sleep(60)
print "Awake .. "
# Collect user's graph neighborhood - followed by
tryflag = True
while tryflag:
try :
followed_by, pagination = api.user_followed_by(user.id)
tryflag = False
except :
print "Sleeping ..."
print "Remaining API requests " + str(api.x_ratelimit_remaining) + " of " + str(api.x_ratelimit)
time.sleep(60)
print "Awake .. "
while pagination and len(followed_by) < max_followers:
tryflag = True
while tryflag:
try:
current_list, pagination = api.user_follows(with_next_url = pagination)
followed_by.extend(current_list)
tryflag = False
except:
print "sleeping ..."
print "Remaining API requests " + str(api.x_ratelimit_remaining) + " of " + str(api.x_ratelimit)
time.sleep(60)
print "awake .. "
count = 0
nodes = open("./userdata/found_nodes.csv",'a')
for edge in followed_by:
edges.write(edge.id + "," + user.id + "\n")
if edge.id not in known:
if count < max_bfs_add:
stack.append(edge.id)
count = count + 1
known.append(edge.id)
nodes.write(edge.id + "\n")
count = 0
for edge in follows:
edges.write(user.id + "," + edge.id + "\n")
if edge.id not in known:
if count < max_bfs_add:
stack.append(edge.id)
count = count + 1
known.append(edge.id)
nodes.write(edge.id + "\n")
nodes.close()
if verbose:
print "Number of Followers of " + user.full_name + " crawled : " + str(len(followed_by))
# Collect the user Media
if collect_media_flag > 0:
collect_media(user, api, max_collect_media, collect_media_flag, verbose)
if verbose:
print "Finished Visiting user : "******"#########+++++++++=========+++++++++#########\n\n\n\n\n\n\n"
print "Current Stack Size : " + str(len(stack))
cv2.destroyAllWindows()
def collect_media(user, api , max_collect_media, flag, verbose = False ):
print "Collecting Media Of : " + user.full_name
tryflag = True
while tryflag :
try :
media_list, pagination = api.user_recent_media(user_id = user.id, count = max_collect_media)
tryflag = False
except :
print "sleeping .."
print "Remaining API requests " + str(api.x_ratelimit_remaining) + " of " + str(api.x_ratelimit)
time.sleep(60)
print " awake..."
while pagination and len(media_list) < max_collect_media:
tryflag = True
while tryflag:
try:
current_list, pagination = api.user_recent_media(with_next_url = pagination)
media_list.extend(current_list)
tryflag = False
except:
print "sleeping .."
print "Remaining API requests " + str(api.x_ratelimit_remaining) + " of " + str(api.x_ratelimit)
time.sleep(60)
print " awake..."
print "Number of Photo Information Acquired From " + user.full_name + " is : " + str(len(media_list))
if not os.path.exists("./media/" + user.id):
os.makedirs("./media/" + user.id)
f = open("./media/" + user.id + "/data.csv",'w')
count = 0
for media in media_list:
if media.type == "image":
current_url = media.get_standard_resolution_url()
if flag == 2:
image.download_image(current_url, "./media/" + user.id + "/image_" + str(count) + ".jpg")
mit_api = urllib2.urlopen('http://popularity.csail.mit.edu/cgi-bin/image.py?url=' + current_url)
mitoutput = json.load(mit_api)
if media.caption:
f.write(str(count) + "," + str(media.like_count) + "," + str(media.comment_count) + "," + str(mitoutput['popscore']) + "," + media.filter + "," + media.id + "," + current_url + "," + media.caption.text.encode("utf-8","ignore").replace("/n"," ") + "\n")
else:
f.write(str(count) + "," + str(media.like_count) + "," + str(media.comment_count) + "," + str(mitoutput['popscore']) + "," + media.filter + "," + media.id + "," + current_url + "\n")
if verbose and flag == 2:
current_image = cv2.imread("./media/" + user.id + "/image_" + str(count) + ".jpg")
cv2.imshow(user.username, current_image)
print "For image " + str(count) + " Number of Likes = " + str(media.like_count) + " Number of Comments = " + str(media.comment_count) + " and MIT popularity score = " + str(mitoutput['popscore'])
if media.caption:
print "Caption of the Image : " + media.caption.text
cv2.waitKey(1)
count = count + 1
if verbose:
print "Number of Photos Downloaded from" + user.full_name + " is : " + str(count)
f.close()
cv2.destroyAllWindows()
