[web2py][share] usefull snippet for enhance list of tags to be displayed in a table cell (or TD)

[Richard]

Hello,

When building from scratch an HTML Table with web2py helper I found myself needing to split list of A() tags with CAT(', ') tag to proper display of tags list in HTML.

So, I have write this little snippet that I found usefull for that :

def cat_comma_snippet(tag_to_be_split_with_cat_comma):
    """
    Take a iterable list of web2py tag(s) and return tags splitted with CAT(', ')
    """
    tags_with_cat = []
    if len(tag_to_be_split_with_cat_comma) > 1:
        for i, l in enumerate(tag_to_be_split_with_cat_comma):
            if i + 1 < len(tag_to_be_split_with_cat_comma):
                tags_with_cat.extend([l, CAT(', ')])
            else:
                tags_with_cat.append(l)
    else:
        tags_with_cat = tag_to_be_split_with_cat_comma
    return tags_with_cat

You can pass it this :

[A('item1_represent', _href=URL('controller', 'function', args='agrs', vars=dict(record_id=1)), A('item2_represent', _href=URL('controller', 'function', args='agrs', vars=dict(record_id=2)), ...]

And it will return :

[A('item1_represent', _href=URL('controller', 'function', args='agrs', vars=dict(record_id=1)), CAT(', '), A('item2_represent', _href=URL('controller', 'function', args='agrs', vars=dict(record_id=2)), ...]

Enjoy...

Richard