Import error: No module name urllib2

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隐瞒了意图╮ 2020-11-22 06:42

Here\'s my code:

import urllib2.request

response = urllib2.urlopen(\"http://www.google.com\")
html = response.read()
print(html)

Any help?

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9条回答
  • 2020-11-22 07:25

    As stated in the urllib2 documentation:

    The urllib2 module has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3.

    So you should instead be saying

    from urllib.request import urlopen
    html = urlopen("http://www.google.com/").read()
    print(html)
    

    Your current, now-edited code sample is incorrect because you are saying urllib.urlopen("http://www.google.com/") instead of just urlopen("http://www.google.com/").

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  • 2020-11-22 07:29

    Simplest of all solutions:

    In Python 3.x:

    import urllib.request
    url = "https://api.github.com/users?since=100"
    request = urllib.request.Request(url)
    response = urllib.request.urlopen(request)
    data_content = response.read()
    print(data_content)
    
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  • 2020-11-22 07:30

    For a script working with Python 2 (tested versions 2.7.3 and 2.6.8) and Python 3 (3.2.3 and 3.3.2+) try:

    #! /usr/bin/env python
    
    try:
        # For Python 3.0 and later
        from urllib.request import urlopen
    except ImportError:
        # Fall back to Python 2's urllib2
        from urllib2 import urlopen
    
    html = urlopen("http://www.google.com/")
    print(html.read())
    
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  • 2020-11-22 07:31

    Some tab completions to show the contents of the packages in Python 2 vs Python 3.

    In Python 2:

    In [1]: import urllib
    
    In [2]: urllib.
    urllib.ContentTooShortError      urllib.ftpwrapper                urllib.socket                    urllib.test1
    urllib.FancyURLopener            urllib.getproxies                urllib.splitattr                 urllib.thishost
    urllib.MAXFTPCACHE               urllib.getproxies_environment    urllib.splithost                 urllib.time
    urllib.URLopener                 urllib.i                         urllib.splitnport                urllib.toBytes
    urllib.addbase                   urllib.localhost                 urllib.splitpasswd               urllib.unquote
    urllib.addclosehook              urllib.noheaders                 urllib.splitport                 urllib.unquote_plus
    urllib.addinfo                   urllib.os                        urllib.splitquery                urllib.unwrap
    urllib.addinfourl                urllib.pathname2url              urllib.splittag                  urllib.url2pathname
    urllib.always_safe               urllib.proxy_bypass              urllib.splittype                 urllib.urlcleanup
    urllib.base64                    urllib.proxy_bypass_environment  urllib.splituser                 urllib.urlencode
    urllib.basejoin                  urllib.quote                     urllib.splitvalue                urllib.urlopen
    urllib.c                         urllib.quote_plus                urllib.ssl                       urllib.urlretrieve
    urllib.ftpcache                  urllib.re                        urllib.string                    
    urllib.ftperrors                 urllib.reporthook                urllib.sys  
    

    In Python 3:

    In [2]: import urllib.
    urllib.error        urllib.parse        urllib.request      urllib.response     urllib.robotparser
    
    In [2]: import urllib.error.
    urllib.error.ContentTooShortError  urllib.error.HTTPError             urllib.error.URLError
    
    In [2]: import urllib.parse.
    urllib.parse.parse_qs          urllib.parse.quote_plus        urllib.parse.urldefrag         urllib.parse.urlsplit
    urllib.parse.parse_qsl         urllib.parse.unquote           urllib.parse.urlencode         urllib.parse.urlunparse
    urllib.parse.quote             urllib.parse.unquote_plus      urllib.parse.urljoin           urllib.parse.urlunsplit
    urllib.parse.quote_from_bytes  urllib.parse.unquote_to_bytes  urllib.parse.urlparse
    
    In [2]: import urllib.request.
    urllib.request.AbstractBasicAuthHandler         urllib.request.HTTPSHandler
    urllib.request.AbstractDigestAuthHandler        urllib.request.OpenerDirector
    urllib.request.BaseHandler                      urllib.request.ProxyBasicAuthHandler
    urllib.request.CacheFTPHandler                  urllib.request.ProxyDigestAuthHandler
    urllib.request.DataHandler                      urllib.request.ProxyHandler
    urllib.request.FTPHandler                       urllib.request.Request
    urllib.request.FancyURLopener                   urllib.request.URLopener
    urllib.request.FileHandler                      urllib.request.UnknownHandler
    urllib.request.HTTPBasicAuthHandler             urllib.request.build_opener
    urllib.request.HTTPCookieProcessor              urllib.request.getproxies
    urllib.request.HTTPDefaultErrorHandler          urllib.request.install_opener
    urllib.request.HTTPDigestAuthHandler            urllib.request.pathname2url
    urllib.request.HTTPErrorProcessor               urllib.request.url2pathname
    urllib.request.HTTPHandler                      urllib.request.urlcleanup
    urllib.request.HTTPPasswordMgr                  urllib.request.urlopen
    urllib.request.HTTPPasswordMgrWithDefaultRealm  urllib.request.urlretrieve
    urllib.request.HTTPRedirectHandler     
    
    
    In [2]: import urllib.response.
    urllib.response.addbase       urllib.response.addclosehook  urllib.response.addinfo       urllib.response.addinfourl
    
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  • 2020-11-22 07:31

    In python 3, to get text output:

    import io
    import urllib.request
    
    response = urllib.request.urlopen("http://google.com")
    text = io.TextIOWrapper(response)
    
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  • 2020-11-22 07:32

    Python 3:

    import urllib.request
    
    wp = urllib.request.urlopen("http://google.com")
    pw = wp.read()
    print(pw)
    

    Python 2:

    import urllib
    import sys
    
    wp = urllib.urlopen("http://google.com")
    for line in wp:
        sys.stdout.write(line)
    

    While I have tested both the Codes in respective versions.

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