Build unordered list in HTML from a python list

Discussion in 'Python' started by Nico Grubert, Jun 30, 2010.

  1. Nico Grubert

    Nico Grubert Guest

    Dear list members

    I have this python list that represets a sitemap:

    tree = [{'indent': 1, 'title':'Item 1', 'hassubfolder':False},
    {'indent': 1, 'title':'Item 2', 'hassubfolder':False},
    {'indent': 1, 'title':'Folder 1', 'hassubfolder':True},
    {'indent': 2, 'title':'Sub Item 1.1', 'hassubfolder':False},
    {'indent': 2, 'title':'Sub Item 1.2', 'hassubfolder':False},
    {'indent': 1, 'title':'Item 3', 'hassubfolder':False},
    {'indent': 1, 'title':'Folder 2', 'hassubfolder':True},
    {'indent': 2, 'title':'Sub Item 2.1', 'hassubfolder':False},
    {'indent': 2, 'title':'Folder 2.1', 'hassubfolder':True},
    {'indent': 3, 'title':'Sub Item 2.1.1', 'hassubfolder':False},
    {'indent': 3, 'title':'Sub Item 2.1.2', 'hassubfolder':False},
    ]

    From that list I want to create the following HTML code:

    <ul id="tree">
    <li>Item 1</li>
    <li>Item 2</li>
    <li>Folder 1
    <ul>
    <li>Sub Item 1.1</li>
    <li>Sub Item 1.2</li>
    </ul>
    </li>
    <li>Item 3</li>
    <li>Folder 2
    <ul>
    <li>Sub Item 2.1</li>
    <li>Folder 2.1
    <ul>
    <li>Sub Item 2.1.1</li>
    <li>Sub Item 2.1.2</li>
    </ul>
    </li>
    </ul>
    </li>
    </ul>

    If an item of the list has 'True' for the 'hassubfolder' key than a new
    "<ul><li>" must be created instead of "</li>" after its title. (See
    "Folder 2" node in the HTML code above.

    My problem is: How do I keep track of the closing tags while iterating
    over the python list?

    Any help is much appreciated.

    Regards
    Nico
    Nico Grubert, Jun 30, 2010
    #1
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