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Diffstat (limited to 'doc/source/index.rst')
| -rw-r--r-- | doc/source/index.rst | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/doc/source/index.rst b/doc/source/index.rst index 1ebcb5c..d4dabb1 100644 --- a/doc/source/index.rst +++ b/doc/source/index.rst @@ -1996,6 +1996,10 @@ invalid HTML or XML:: soup.p # <p>The law firm of Dewey, Cheatem, & Howe</p> + soup = BeautifulSoup('<a href="http://example.com/?foo=val1&bar=val2">A link</a>') + soup.a + # <a href="http://example.com/?foo=val1&bar=val2">A link</a> + You can change this behavior by providing a value for the ``formatter`` argument to ``prettify()``, ``encode()``, or ``decode()``. Beautiful Soup recognizes four possible values for @@ -2029,7 +2033,7 @@ Unicode characters to HTML entities whenever possible:: If you pass in ``formatter=None``, Beautiful Soup will not modify strings at all on output. This is the fastest option, but it may lead -to Beautiful Soup generating invalid HTML/XML, as in this example:: +to Beautiful Soup generating invalid HTML/XML, as in these examples:: print(soup.prettify(formatter=None)) # <html> @@ -2040,11 +2044,16 @@ to Beautiful Soup generating invalid HTML/XML, as in this example:: # </body> # </html> + link_soup = BeautifulSoup('<a href="http://example.com/?foo=val1&bar=val2">A link</a>') + print(link_soup.a.encode(formatter=None)) + # <a href="http://example.com/?foo=val1&bar=val2">A link</a> + Finally, if you pass in a function for ``formatter``, Beautiful Soup -will call that function once for every string in the document. You can -do whatever you want in this function. Here's a formatter that -converts strings to uppercase and does absolutely nothing else:: +will call that function once for every string and attribute value in +the document. You can do whatever you want in this function. Here's a +formatter that converts strings to uppercase and does absolutely +nothing else:: def uppercase(str): return str.upper() @@ -2058,6 +2067,11 @@ converts strings to uppercase and does absolutely nothing else:: # </body> # </html> + print(link_soup.a.prettify(formatter=uppercase)) + # <a href="HTTP://EXAMPLE.COM/?FOO=VAL1&BAR=VAL2"> + # A LINK + # </a> + If you're writing your own function, you should know about the ``EntitySubstitution`` class in the ``bs4.dammit`` module. This class implements Beautiful Soup's standard formatters as class methods: the |