Method Name:
request
Method Signature:
request(method, url, body=None, headers={}, *, encode_chunked=False)
Parameters:
method – The HTTP method to be used. e.g, GET, POST, PUT and others.
url – The URL from which the contents/resource to be fetched from the server.
headers – The headers of the HTTP message. They could be general headers, request headers, response headers or entity headers.
body – The body of the HTTP message. This parameter is used for HTTP requests like PUT.
encode_chunked - The parameter to indicate that the data transfer is using the chunked encoding. The default value is False.
Return Value:
None. The HTTP response is obtained by calling the method getresponse() on the HTTPConnection instance.
Overview:
- The method request() of HTTPConnection class represents a HTTP request.
- A HTTP request can ask for a web page from, send data to and write data to the web server. Hence, the request() method has the parameters headers and body that represent the parts of a HTTP message.
Example – HTTP get request:
The Python example code below, creates a HTTPConnection instance and sends a HTTP request GET through the connection. The resource/HTML from the server is obtained by reading the response obtained through the method getresponse().
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# Example Python program that requests a web page using the # HTTPConnection.request() method import http.client as hc
httpHost = "example.com"; httpMethod = "GET"; url = "/"; headers = {"Accept: text/html"};
# Connect to a HTTP server hcon = hc.HTTPConnection(httpHost);
# Request for a URL hcon.request(httpMethod, url);
# Get the HTTP response response = hcon.getresponse();
# Read the HTTP response html = response.read();
# Print HTML print(html); |
Output:
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b'<!doctype html>\n<html>\n<head>\n <title>Example Domain</title>\n\n <meta charset="utf-8" />\n <meta http-equiv="Content-type" content="text/html; charset=utf-8" />\n <meta name="viewport" content="width=device-width, initial-scale=1" />\n <style type="text/css">\n body {\n background-color: #f0f0f2;\n margin: 0;\n padding: 0;\n font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;\n \n }\n div {\n width: 600px;\n margin: 5em auto;\n padding: 50px;\n background-color: #fff;\n border-radius: 1em;\n }\n a:link, a:visited {\n color: #38488f;\n text-decoration: none;\n }\n @media (max-width: 700px) {\n body {\n background-color: #fff;\n }\n div {\n width: auto;\n margin: 0 auto;\n border-radius: 0;\n padding: 1em;\n }\n }\n </style> \n</head>\n\n<body>\n<div>\n <h1>Example Domain</h1>\n <p>This domain is established to be used for illustrative examples in documents. You may use this\n domain in examples without prior coordination or asking for permission.</p>\n <p><a href="http://www.iana.org/domains/example">More information...</a></p>\n</div>\n</body>\n</html>\n' |