simple, elegant HTML generation
To construct HTML start with an instance of html.HTML(). Add tags by accessing the tag’s attribute on that object. For example:
>>> from html import HTML >>> h = HTML() >>> h.br >>> print h <br>
If the tag should have text content you may pass it at tag creation time or later using the tag’s .text() method (note it is assumed that a fresh HTML instance is created for each of the following examples):
>>> p = h.p('hello world!\n') >>> p.text('more → text', escape=False) >>> h.p >>> print h <p>hello, world! more → text</p> <p>
Any HTML-specific characters (<>&") in the text will be escaped for HTML safety as appropriate unless escape=False is passed. Note also that the top-level HTML object adds newlines between tags by default.
If the tag should have sub-tags you have two options. You may either add the sub-tags directly on the tag:
>>> l = h.ol >>> l.li('item 1') >>> l.li.b('item 2 > 1') >>> print h <ol> <li>item 1</li> <li><b>item 2 > 1</b></li> </ol>
Note that the default behavior with lists (and tables) is to add newlines between sub-tags to generate a nicer output.
The alternative to the above method is to use the containter tag as a context for adding the sub-tags. The top-level HTML object keeps track of which tag is the current context:
>>> with h.table(border='1'): ... for i in range(2): ... with h.tr: ... h.td('column 1') ... h.td('column 2') ... print h <table border="1"> <tr><td>column 1</td><td>column 2</td></tr> <tr><td>column 1</td><td>column 2</td></tr> </table>
Note the addition of an attribute to the <table> tag.
A variation on the above is to explicitly reference the context variable, but then there’s really no benefit to using a with statement. The following is functionally identical to the first list construction:
>>> with h.ol as l: ... l.li('item 1') ... l.li.b('item 2 > 1')
You may turn off/on adding newlines by passing newlines=False or True to the tag (or HTML instance) at creation time:
>>> l = h.ol(newlines=False) >>> l.li('item 1') >>> l.li('item 2') >>> print h <ol><li>item 1</li><li>item 2</li></ol>
This code is copyright 2009 eKit.com Inc (http://www.ekit.com/) See the end of the source file for the license of use.
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