python-Network Crawler (requests library Main method analysis)

Analysis of main methods of requests library
Requests.request () Constructs a request that supports the underlying methods of the following methods

requests.request (method, URL, **kwargs)
Method: request method, corresponding to Get/put/post and other seven kinds
URL: URL link to get page
**kwargs: A total of 13 parameters for control access.
requests.request (' GET ', url, **kwargs)
requests.request (' HEAD ', url, **kwargs)
requests.request (' POST ', url, **kwargs)
requests.request (' PUT ', url, **kwargs)
requests.request (' PATCH ', url, **kwargs)
requests.request (' DELETE ', url, **kwargs)
requests.request (' OPTIONS ', url, **kwargs)
The options are just one parameter to HTTP communication, independent of the HTTP protocol, and are seldom used

requests.request (method, URL, **kwargs)
**kwargs: Controls access to parameters, all optional
params: Dictionary or sequence of bytes, added as a parameter to the URL
>>> kv={' key1 ': ' value1 ', ' Key2 ': ' value2 '}
>>> r= Requests.request (' GET ', ' Http://python123.io/ws ', params=kv)
> >> print (r.url)
http://python123.io/ws?key1=value1&key2=value2

data: Dictionary, byte sequence, or file object as content of request
>>> kv={' key1 ': ' value1 ', ' key2 ': ' Value2 '}
>>> r= Requests.request (' POST ', ' Http://python123.io/ws ', data=kv)
> >> body= ' body content '
>>>< Span style= "COLOR: #ff0000" > R.requests.request (' POST ', ' Http://python123.io/ws ', data=body)

Data in Json:json format as content of request
>>> kv={' key1 ': ' value1 '}
>>> r=requests.request (' POST ', ' Http://python123.io/ws ', json=kv)

Headers: dictionary, HTTP Custom header
>>>hd={' user-agent ': ' CHROME/10 '}
>>>r=requests.request (' POST ', ' Http://python123.io/ws ', HEADERS=HD)

Cookies: Dictionaries or Cookiejar, cookies in Request
Auth: Tuple, support HTTP authentication function
Files: dictionary type, transferring files
>>>fs={' file ': Open (' Data.xls ', ' RB ')
>>>r=requests.request (' POST ', ' Http://python123.io/ws ', files=fs)

Timeout: Sets the timeout, in seconds
>>>r=requests.request (' GET ', ' http://www.baidu.com ', timeout=10)

Proxies: Dictionary type, set Access Proxy, can increase login authentication
>>>pxs={' http ': ' Http://user:[email protected]:1234 ', ' https ': ' https://10.10.10.1:4321 '}
>>>r=requests.request (' GET ', ' http://www.baidu.com ', PROXIES=PXS)

Allow_redirects:true/false, default true, redirect switch
Stream:true/false, the default is True, gets the content download now switch
Varify:true/false, default is True, authentication SSL certificate switch
Cert: Local SSL certificate path

requests.request (Method,url,**kwargs)
**kwargs: Parameters for Control access (13), optional
params
data
JSON
headers
cookies
auth
files
timeout
proxies
allow_redirects
stream
verify
cert

Requests.get (URL, Params=none,**kwargs)
URL: URL link to get page
Additional parameters in the Params:url, dictionary or byte stream format, optional.
**kwargs:12 a Control access parameter (which corresponds to the parameter except the params parameter in the request)

Requests.head (Url,**kwargs)
URL: URL link to get page
**kwargs:13 parameters for control access (exactly the same as request)

Requests.post (Url,data=none, Json=none,**kwargs)
URL: URL link to get page
Data: Dictionary, byte sequence, or file, content of request
Json:json format data, request content
**kwargs:11 Parameters for control access

Requests.put (Url,data=none,**kwargs)
URL: URL link to get page
Data: Dictionary, byte sequence, or file, content of request
**kwargs:12 a control access parameter.

Requests.patch (Url,data=none,**kwargs)
URL: URL link to get page
Data: Dictionary, byte sequence, or file, content of request
**kwargs:12 a control access parameter.

Requests.delete (Url,**kwargs)
URL: URL link to get page
**kwargs:13 a parameter that controls access.

python-Network Crawler (requests library Main method analysis)