Python gen_from_urls示例

示例#1

文件： generator.py 项目： sundarsritharan/learning

from url_utils import gen_from_urls

urls = ('https://www.facebook.com','https://www.cnn.com','https://www.twitter.com')


for resp_len,status,url in gen_from_urls(urls):
    print(resp_len, '->', status,url)





"""

for resp in [ requests.get(url) for url in urls]:
    print(len(resp.content),'->',resp.status_code,resp.url)


#using generator to process the URLs 

for resp in (requests.get(url) for url in urls):
    print(len(resp.content),'->',resp.status_code,resp.url)

"""

示例#2

from url_utils import gen_from_urls

urls = ('http://www.oreilly.com', 'http://baidu.com', 'http://music.163.com')

for resp_len, status, url, in gen_from_urls(urls):  #在一个for循环中使用这个生成器函数
    print(resp_len, '->', status, '->', url)

示例#3

文件： generator.py 项目： inabaakira/practice_book_head_first_python

#!/usr/bin/env python3
#-*- mode: python; coding: utf-8 -*-
# file: generator.py
#    Created:       <2019/02/14 21:37:25>
#    Last Modified: <2019/02/17 15:40:21>

from url_utils import gen_from_urls

urls = ('http://headfirstlabs.com', 'http://oreilly.com', 'http://twitter.com')

for resp_len, status, url in gen_from_urls(urls):
    print(resp_len, '->', status, '->', url)

urls_res = {url: size for size, _, url in gen_from_urls(urls)}

import pprint

pprint.pprint(urls_res)

示例#4

文件： url_content.py 项目： beef-erikson/HeadFirstPython

from url_utils import gen_from_urls
from pprint import pprint
"""Generates a dictionary of urls and response content length
"""

urls = ('http://google.com', 'http://twitter.com', 'http://youtube.com')

# Example of function's full use
for response_length, status, url in gen_from_urls(urls):
    print(response_length, '->', status, '->', url)
print('-------')

# Create dictionary with key being url and value being length of content
urls_length = {url: size for size, _, url in gen_from_urls(urls)}

pprint(urls_length)