How to fix a bug

Код взял с хабра

Ошибка

line 63, in <module>
bound = json.loads(content[json_data_offset.span()[0]:json_data_offset.span()[1]])
AttributeError: 'NoneType' object has no attribute 'span'

import requests
import re
import sys
import os
import urllib
import json

# argv[1] = remixsid_cookie
# argv[2] = dialog_id
# argv[3] = person_name

def printHelp():
print ("""
Usage: python main.py <remixsid_cookie> <dialog_id> <name_of_folder>
<dialog_id> is a string parameter "sel" in address line which you see when open a dialog
""")

try:
sys.argv[1]
except IndexError:
printHelp()
exit()

if( sys.argv[1] == '--help' ):
printHelp()
exit()
else:
if( len(sys.argv) < 4 ):
print ("""
Invalid number of arguments. Use parameter --help to know more
""")
exit()

remixsid_cookie = sys.argv[1]

RequestData = {
"act": "show",
"al": 1,
"loc":"im",
"w": "history" + sys.argv[2] + "_photo",
"offset" : 0,
"part" : 1
}

request_href = "http://vk.com/wkview.php"
bound = {"count" : 10000, "offset" : 0}

try:
os.mkdir("drop_" + sys.argv[3])
except OSError:
print ("Проблемы с созданием папки 'drop_" + sys.argv[3] + "'")
if( os.path.exists("drop_" + sys.argv[3]) ):
os.chdir("drop_" + sys.argv[3])
else:
print ("Не удалось создать папку\n")
exit()

test = open("links", "w")
while( bound['offset'] < bound['count'] ):
RequestData['offset'] = bound['offset']
content = requests.post(request_href, cookies={"remixsid": remixsid_cookie}, params=RequestData).text
json_data_offset = re.compile('\{"count":.+?,"offset":.+?\}').search(content)
bound = json.loads(content[json_data_offset.span()[0]:json_data_offset.span()[1]])
bound['count'] = int(bound['count'])
bound['offset'] = int(bound['offset'])

links = re.compile('&quot;http://cs.+?"').findall(content)

for st in links:
st = st.replace("&quot;,&quot;x_&quot;:[&quot;", "")
test.write(st[6:st.find("&quot;", 6)] + '.jpg\n')

test.close()

test = open("links", "r")
file_num = 0
for href in test:
urllib.urlretrieve(href, str(file_num) + ".jpg")
file_num += 1
print ("Скачано " + str(file_num) + " файлов\n")
test.close()

Code

import requests

import re

import sys

import os

import urllib

import json



# argv[1] = remixsid_cookie

# argv[2] = dialog_id

# argv[3] = person_name



def printHelp():

    print ("""

    Usage: python main.py <remixsid_cookie> <dialog_id> <name_of_folder>

    <dialog_id> is a string parameter "sel" in address line which you see when open a dialog

    """)



try:

    sys.argv[1]

except IndexError:

    printHelp()

    exit()



if( sys.argv[1] == '--help' ):

    printHelp()

    exit()

else:

    if( len(sys.argv) < 4 ):

        print ("""

        Invalid number of arguments. Use parameter --help to know more

        """)

        exit()



remixsid_cookie = sys.argv[1]



RequestData = {

    "act": "show",

    "al": 1,

    "loc":"im",

    "w": "history" + sys.argv[2] + "_photo",

    "offset" : 0,

    "part" : 1

}



request_href = "http://vk.com/wkview.php"

bound = {"count" : 10000, "offset" : 0}



try:

    os.mkdir("drop_" + sys.argv[3])

except OSError:

    print ("Проблемы с созданием папки 'drop_" + sys.argv[3] + "'")

if( os.path.exists("drop_" + sys.argv[3]) ):

    os.chdir("drop_" + sys.argv[3])

else:

    print ("Не удалось создать папку\n")

    exit()



test = open("links", "w")

while( bound['offset'] < bound['count'] ):

    RequestData['offset'] = bound['offset']

    content = requests.post(request_href, cookies={"remixsid": remixsid_cookie}, params=RequestData).text

    json_data_offset = re.compile('\{"count":.+?,"offset":.+?\}').search(content)

    bound = json.loads(content[json_data_offset.span()[0]:json_data_offset.span()[1]])

    bound['count'] = int(bound['count'])

    bound['offset'] = int(bound['offset'])



    links = re.compile('&quot;http://cs.+?"').findall(content)



    for st in links:

        st = st.replace("&quot;,&quot;x_&quot;:[&quot;", "")

        test.write(st[6:st.find("&quot;", 6)] + '.jpg\n')



test.close()



test = open("links", "r")

file_num = 0

for href in test:

    urllib.urlretrieve(href, str(file_num) + ".jpg")

    file_num += 1

    print ("Скачано " + str(file_num) + " файлов\n")

test.close()