论坛 › Python交流 › 哪位行行好帮我看看我该怎么办

CD84380973 发表于 2020-4-1 19:44:52

哪位行行好帮我看看我该怎么办

import urllib.request
import os

def url_open(url):
    req = urllib.requests.Request(url)
    req.add_header('User-Agent','Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36')
    response = urllib.request.urlopen
    html = response.read()

    return html

def get_page(url):
    html = url_open(url).decode(utf-8)

    a = html.find('current-comment-page')+23
    b = html.find(']',a)

    return html

def find_img(url):
    html = url_open(url).decode(utf-8)
    img_addrs = []

    a = html.find('img src = ')

    while a != -1:
      b = html.find('.jpg',a,a+255)
      if b != -1:
            img_addrs.append('https:'+html)
      else:
            b = a + 9



      a = html.find('img src = ',b)
      
    return img_addrs
   
def save_imgs(folder,img_addrs):
    for each in img_addrs:
      filename = each.split('/')[-1]
      with open(filename,'wb')as f:
            img = url_open(each)
            f.write(img)
   
def download_mm(folder='ooxx',pages=10):
    os.mkdir(folder)
    os.chdir(folder)

    url = 'http://jandan.net/ooxx/'
    page_num = int(get_page)

    for i in range(pages):
      page_num -= i
      page_url = url + 'page-' + str(page_num) + '#comments'
      find_addrs = find_imgs(page_url)
      save_imgs(img_addrs)

if __name__ == "__main__":
    download_mm()


Traceback (most recent call last):
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 60, in <module>
    download_mm()
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 51, in download_mm
    page_num = int(get_page)
TypeError: 'function' object is not subscriptable

zltzlt 发表于 2020-4-1 20:18:45

import urllib.request
import os


def url_open(url):
    req = urllib.request.Request(url)
    req.add_header('User-Agent',
                   'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 '
                   'Safari/537.36')
    response = urllib.request.urlopen
    html = response.read()

    return html


def get_page(url):
    html = url_open(url).decode("utf-8")

    a = html.find('current-comment-page') + 23
    b = html.find(']', a)

    return html


def find_img(url):
    html = url_open(url).decode("utf-8")
    img_addrs = []

    a = html.find('img src = ')

    while a != -1:
      b = html.find('.jpg', a, a + 255)
      if b != -1:
            img_addrs.append('https:' + html)
      else:
            b = a + 9

      a = html.find('img src = ', b)

    return img_addrs


def save_imgs(folder, img_addrs):
    for each in img_addrs:
      filename = each.split('/')[-1]
      with open(filename, 'wb')as f:
            img = url_open(each)
            f.write(img)


def download_mm(folder='ooxx', pages=10):
    os.mkdir(folder)
    os.chdir(folder)

    url = 'http://jandan.net/ooxx/'
    page_num = int(get_page(url))

    for i in range(pages):
      page_num -= i
      page_url = url + 'page=' + str(page_num) + '#comments'
      find_addrs = find_img(page_url)
      save_imgs(folder, find_addrs)


if __name__ == "__main__":
    download_mm()

BngThea 发表于 2020-4-1 20:18:58

把中括号改成小括号

CD84380973 发表于 2020-4-1 20:36:45

BngThea 发表于 2020-4-1 20:18
把中括号改成小括号

大神说的是什么位置的中括号？

CD84380973 发表于 2020-4-1 20:38:23

zltzlt 发表于 2020-4-1 20:18


我把您的代码复制进去了还是报的TypeError: 'function' object is not subscriptable

十月故里 发表于 2020-4-1 20:38:44

TypeError: 'function' object is not subscriptable
返回信息告诉你函数对象不能用下标索引
回到你错误的行可以看到
page_num = int(get_page)
get_page【url】这里你用的是中括号【】，表示索引呢
改成小括号

CD84380973 发表于 2020-4-1 20:43:38

十月故里 发表于 2020-4-1 20:38
TypeError: 'function' object is not subscriptable
返回信息告诉你函数对象不能用下标索引
回到你错误 ...

听您改了，然后报了这个错module 'urllib' has no attribute 'requests'

Hoiste 发表于 2020-4-1 20:49:05

CD84380973 发表于 2020-4-1 20:43
听您改了，然后报了这个错module 'urllib' has no attribute 'requests'

request多打了个s

CD84380973 发表于 2020-4-1 20:49:34

十月故里 发表于 2020-4-1 20:38
TypeError: 'function' object is not subscriptable
返回信息告诉你函数对象不能用下标索引
回到你错误 ...

import urllib.request
import os

def url_open(url):
    req = urllib.request.Request(url)
    req.add_header('User-Agent','Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36')
    response = urllib.request.urlopen
    html = response.read()

    return html

def get_page(url):
    html = url_open(url).decode(utf-8)

    a = html.find('current-comment-page')+23
    b = html.find(']',a)

    return html

def find_img(url):
    html = url_open(url).decode(utf-8)
    img_addrs = []

    a = html.find('img src = ')

    while a != -1:
      b = html.find('.jpg',a,a+255)
      if b != -1:
            img_addrs.append('https:'+html)
      else:
            b = a + 9



      a = html.find('img src = ',b)
      
    return img_addrs
   
def save_imgs(folder,img_addrs):
    for each in img_addrs:
      filename = each.split('/')[-1]
      with open(filename,'wb')as f:
            img = url_open(each)
            f.write(img)
   
def download_mm(folder='ooxx',pages=10):
    os.mkdir(folder)
    os.chdir(folder)

    url = 'http://jandan.net/ooxx/'
    page_num = int(get_page(url))

    for i in range(pages):
      page_num -= i
      page_url = url + 'page-' + str(page_num) + '#comments'
      find_addrs = find_imgs(page_url)
      save_imgs(img_addrs)

if __name__ == "__main__":
    download_mm()


您说的地方我改了，第六行request多打了s也去了，结果还是报TypeError: 'function' object is not subscriptable您帮我看看还有哪里用错了中括号呢

CD84380973 发表于 2020-4-1 20:50:12

Hoiste 发表于 2020-4-1 20:49
request多打了个s

这两处改了还是报的TypeError: 'function' object is not subscriptable，难道还有哪里中括号用错了？

十月故里 发表于 2020-4-1 20:50:53

你把全部返回信息贴上来

CD84380973 发表于 2020-4-1 20:52:24

十月故里 发表于 2020-4-1 20:50
你把全部返回信息贴上来

Traceback (most recent call last):
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 60, in <module>
    download_mm()
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 51, in download_mm
    page_num = int(get_page(url))
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 13, in get_page
    html = url_open(url).decode(utf-8)
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 7, in url_open
    response = urllib.request.urlopen
TypeError: 'function' object is not subscriptable

十月故里 发表于 2020-4-1 20:52:30

我看你第一个def url_open这里就有一个写错的[]

Hoiste 发表于 2020-4-1 20:54:43

CD84380973 发表于 2020-4-1 20:50
这两处改了还是报的TypeError: 'function' object is not subscriptable，难道还有哪里中括号用错了？

发下完整错误信息吧，错误说明是用下标去访问不可以下标访问的对象了

CD84380973 发表于 2020-4-1 20:55:31

十月故里 发表于 2020-4-1 20:52
我看你第一个def url_open这里就有一个写错的[]

我把那处改了，现在是

Traceback (most recent call last):
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 60, in <module>
    download_mm()
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 51, in download_mm
    page_num = int(get_page(url))
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 13, in get_page
    html = url_open(url).decode(utf-8)
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 7, in url_open
    response = urllib.request.urlopen(url)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 531, in open
    response = meth(req, response)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 640, in http_response
    response = self.parent.error(
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 569, in error
    return self._call_chain(*args)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 502, in _call_chain
    result = func(*args)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 649, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 403: Forbidden

BngThea 发表于 2020-4-1 20:55:47

CD84380973 发表于 2020-4-1 20:36
大神说的是什么位置的中括号？

函数调用啊
你download_mm 中调用了get_page

十月故里 发表于 2020-4-1 20:56:08

CD84380973 发表于 2020-4-1 20:52
Traceback (most recent call last):
File "C:%users\39436\Desktop\python练习\download_mm.py", lin ...

果然，你平时报错的时候可以看报错信息，error上面一行就是你最后报错的地方，然后根据报错信息来改正就好了，这里的问题还是错误的写成[]了，调用函数用的是()，索引之类才用[]

CD84380973 发表于 2020-4-1 20:57:54

Hoiste 发表于 2020-4-1 20:54
发下完整错误信息吧，错误说明是用下标去访问不可以下标访问的对象了

现在改了是这样了
import urllib.request
import os

def url_open(url):
    req = urllib.request.Request(url)
    req.add_header('User-Agent','Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36')
    response = urllib.request.urlopen(url)
    html = response.read()

    return html

def get_page(url):
    html = url_open(url).decode(utf-8)

    a = html.find('current-comment-page')+23
    b = html.find(']',a)

    return html

def find_img(url):
    html = url_open(url).decode(utf-8)
    img_addrs = []

    a = html.find('img src = ')

    while a != -1:
      b = html.find('.jpg',a,a+255)
      if b != -1:
            img_addrs.append('https:'+html)
      else:
            b = a + 9



      a = html.find('img src = ',b)
      
    return img_addrs
   
def save_imgs(folder,img_addrs):
    for each in img_addrs:
      filename = each.split('/')[-1]
      with open(filename,'wb')as f:
            img = url_open(each)
            f.write(img)
   
def download_mm(folder='ooxx',pages=10):
    os.mkdir(folder)
    os.chdir(folder)

    url = 'http://jandan.net/ooxx/'
    page_num = int(get_page(url))

    for i in range(pages):
      page_num -= i
      page_url = url + 'page-' + str(page_num) + '#comments'
      find_addrs = find_imgs(page_url)
      save_imgs(img_addrs)

if __name__ == "__main__":
    download_mm()



Traceback (most recent call last):
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 60, in <module>
    download_mm()
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 51, in download_mm
    page_num = int(get_page(url))
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 13, in get_page
    html = url_open(url).decode(utf-8)
File "C:\Users\39436\Desktop\python练习\download_mm.py", line 7, in url_open
    response = urllib.request.urlopen(url)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 531, in open
    response = meth(req, response)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 640, in http_response
    response = self.parent.error(
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 569, in error
    return self._call_chain(*args)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 502, in _call_chain
    result = func(*args)
File "C:\Users\39436\AppData\Local\Programs\Python\Python38\lib\urllib\request.py", line 649, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 403: Forbidden

十月故里 发表于 2020-4-1 21:01:06

CD84380973 发表于 2020-4-1 20:55
我把那处改了，现在是

Traceback (most recent call last):


现在是403了，你的url要么有问题，要么对面禁止你访问了，你先用你自己浏览器打开下你的url看能不能正常打开，你这里应该是小甲鱼的网址，我记得好像网址变了

CD84380973 发表于 2020-4-1 21:01:09

十月故里 发表于 2020-4-1 20:56
果然，你平时报错的时候可以看报错信息，error上面一行就是你最后报错的地方，然后根据报错信息来改正就 ...

越整越负了，我错了那么多行？

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