python基础(json，socket)

http://python-data.dr-chuck.net/geojson?sensor=false&address=Vilnius+University

{
   "results" : [
      {
         "address_components" : [
            {
               "long_name" : "Vilnius",
               "short_name" : "Vilnius",
               "types" : [ "locality", "political" ]
            },
            {
               "long_name" : "Vilnius city municipality",
               "short_name" : "Vilnius city municipality",
               "types" : [ "administrative_area_level_2", "political" ]
            },
            {
               "long_name" : "Vilnius County",
               "short_name" : "Vilnius County",
               "types" : [ "administrative_area_level_1", "political" ]
            },
            {
               "long_name" : "Lithuania",
               "short_name" : "LT",
               "types" : [ "country", "political" ]
            }
         ],
         "formatted_address" : "Vilnius, Lithuania",
         "geometry" : {
            "bounds" : {
               "northeast" : {
                  "lat" : 54.832544,
                  "lng" : 25.4814883
               },
               "southwest" : {
                  "lat" : 54.567798,
                  "lng" : 25.024376
               }
            },
            "location" : {
               "lat" : 54.6871555,
               "lng" : 25.2796514
            },
            "location_type" : "APPROXIMATE",
            "viewport" : {
               "northeast" : {
                  "lat" : 54.832544,
                  "lng" : 25.4814883
               },
               "southwest" : {
                  "lat" : 54.567798,
                  "lng" : 25.024376
               }
            }
         },
         "partial_match" : true,
         "place_id" : "ChIJ9QhkXPuT3UYRQNzpcIzRAAQ",
         "types" : [ "locality", "political" ]
      }
   ],
   "status" : "OK"
}

import urllib
import json

url = 'http://python-data.dr-chuck.net/geojson?'

while True:
    address = raw_input()
    serviceUrl = url + urllib.urlencode({'sensor': 'false', 'address': address})
    print serviceUrl
    input = urllib.urlopen(serviceUrl).read()
    js = json.loads(input)
    print js['results'][0]['place_id']

http://python-data.dr-chuck.net/comments_194528.json

{
  "note":"This file contains the actual data for your assignment</note>",
  "comments":[
    {
      "name":"Anastasija",
      "count":100
    },
    {
      "name":"Ridwan",
      "count":98
    },
    {
      "name":"Rory",
      "count":88
    },
    {
      "name":"Aeryn",
      "count":88
    },
    {
      "name":"Marcus",
      "count":84
    },
    {
      "name":"Jock",
      "count":83
    },
    {
      "name":"Talise",
      "count":81
    },
    {
      "name":"Rheanne",
      "count":80
    },
    {
      "name":"Wardah",
      "count":78
    },
    {
      "name":"Karyss",
      "count":74
    },
    {
      "name":"Mea",
      "count":70
    },
    {
      "name":"Maryk",
      "count":69
    },
    {
      "name":"Neshawn",
      "count":69
    },
    {
      "name":"Miyah",
      "count":63
    },
    {
      "name":"Janelle",
      "count":63
    },
    {
      "name":"Finnen",
      "count":60
    },
    {
      "name":"Michela",
      "count":59
    },
    {
      "name":"Yishuka",
      "count":57
    },
    {
      "name":"Kern",
      "count":57
    },
    {
      "name":"Tanner",
      "count":57
    },
    {
      "name":"Zhong",
      "count":56
    },
    {
      "name":"Merin",
      "count":54
    },
    {
      "name":"Jian",
      "count":53
    },
    {
      "name":"Khadijah",
      "count":52
    },
    {
      "name":"Lauren",
      "count":49
    },
    {
      "name":"Adam",
      "count":47
    },
    {
      "name":"Akan",
      "count":43
    },
    {
      "name":"Shauni",
      "count":43
    },
    {
      "name":"Klein",
      "count":40
    },
    {
      "name":"Brett",
      "count":38
    },
    {
      "name":"Ayat",
      "count":37
    },
    {
      "name":"Rayna",
      "count":35
    },
    {
      "name":"Duaa",
      "count":34
    },
    {
      "name":"Mariyah",
      "count":32
    },
    {
      "name":"Matthias",
      "count":30
    },
    {
      "name":"Olurotimi",
      "count":26
    },
    {
      "name":"Odynn",
      "count":23
    },
    {
      "name":"Shahna",
      "count":21
    },
    {
      "name":"Saphyre",
      "count":20
    },
    {
      "name":"Bowie",
      "count":19
    },
    {
      "name":"Keera",
      "count":18
    },
    {
      "name":"Ross",
      "count":14
    },
    {
      "name":"Caragh",
      "count":13
    },
    {
      "name":"Siena",
      "count":12
    },
    {
      "name":"Carley",
      "count":9
    },
    {
      "name":"Waqaas",
      "count":9
    },
    {
      "name":"Kira",
      "count":9
    },
    {
      "name":"Avinash",
      "count":3
    },
    {
      "name":"Alysia",
      "count":1
    },
    {
      "name":"Josephina",
      "count":1
    }
  ]
}

import urllib
import json

url = 'http://python-data.dr-chuck.net/comments_194528.json'

input = urllib.urlopen(url).read()
js = json.loads(input)
sum = 0
for dict in js['comments']:
    sum += int(dict['count'])
print sum

import socket
import time
mysock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
mysock.connect(('news.xinhuanet.com', 80))
mysock.send('GET http://news.xinhuanet.com/photo/2015-12/01/128485250_14489244150011n.jpg HTTP/1.0

')
count = 0

picture = "";
while True:
    data = mysock.recv(5120)
    if ( len(data) < 1 ) : break
    # time.sleep(0.25)
    count = count + len(data)
    print len(data),count
    picture = picture + data
mysock.close()
    # Look for the end of the header (2 CRLF)
pos = picture.find("

")
print 'Header length',pos
print picture[:pos]
# Skip past the header and save the picture data
picture = picture[pos+4:]
fhand = open("stuff.jpg","wb")
fhand.write(picture)
fhand.close()