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Issue #25570: Merge add_header() example from 3.5

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Martin Panter 2016-06-01 08:17:27 +00:00
commit f9de40666c
1 changed files with 6 additions and 1 deletions
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7
Doc/library/urllib.request.rst
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@ -189,7 +189,7 @@ The following classes are provided:
*headers* should be a dictionary, and will be treated as if *headers* should be a dictionary, and will be treated as if
:meth:`add_header` was called with each key and value as arguments. :meth:`add_header` was called with each key and value as arguments.
This is often used to "spoof" the ``User-Agent`` header, which is This is often used to "spoof" the ``User-Agent`` header value, which is
used by a browser to identify itself -- some HTTP servers only used by a browser to identify itself -- some HTTP servers only
allow requests coming from common browsers as opposed to scripts. allow requests coming from common browsers as opposed to scripts.
For example, Mozilla Firefox may identify itself as ``"Mozilla/5.0 For example, Mozilla Firefox may identify itself as ``"Mozilla/5.0
@ -1111,6 +1111,9 @@ HTTPErrorProcessor Objects
Examples Examples
-------- --------
In addition to the examples below, more examples are given in
:ref:`urllib-howto`.
This example gets the python.org main page and displays the first 300 bytes of This example gets the python.org main page and displays the first 300 bytes of
it. :: it. ::
@ -1220,6 +1223,8 @@ Use the *headers* argument to the :class:`Request` constructor, or::
import urllib.request import urllib.request
req = urllib.request.Request('http://www.example.com/') req = urllib.request.Request('http://www.example.com/')
req.add_header('Referer', 'http://www.python.org/') req.add_header('Referer', 'http://www.python.org/')
# Customize the default User-Agent header value:
req.add_header('User-Agent', 'urllib-example/0.1 (Contact: . . .)')
r = urllib.request.urlopen(req) r = urllib.request.urlopen(req)
:class:`OpenerDirector` automatically adds a :mailheader:`User-Agent` header to :class:`OpenerDirector` automatically adds a :mailheader:`User-Agent` header to