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# DeGAL - A pretty simple web image gallery

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# Copyright (C) 2007 Tero Marttila

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# http://marttila.de/~terom/degal/

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#

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# This program is free software; you can redistribute it and/or modify

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# it under the terms of the GNU General Public License as published by

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# the Free Software Foundation; either version 2 of the License, or

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# (at your option) any later version.

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#

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# This program is distributed in the hope that it will be useful,

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# but WITHOUT ANY WARRANTY; without even the implied warranty of

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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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# GNU General Public License for more details.

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#

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# You should have received a copy of the GNU General Public License

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# along with this program; if not, write to the

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# Free Software Foundation, Inc.,

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# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

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#

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# template helper functions

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import urllib

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from formatbytes import formatbytes

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from datetime import datetime

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def iter_is_first (seq) :

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    flag = True

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    for item in seq :

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        yield item, flag

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        flag = False

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def url_for_page (page) :

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    assert page >= 0

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    if page > 0 :

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        return  'index_%d.html' % page

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    else :

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        return 'index.html'

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def tag_for_img (page, img) :

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    return """<a href="%s"><img src="%s" /></a>""" % (page, img)

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def format_filesize (size) :

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    return formatbytes(size, forcekb=False, largestonly=True, kiloname='KiB', meganame='MiB', bytename='B', nospace=False)

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def format_timestamp (ts) :

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    return datetime.fromtimestamp(ts).strftime("%Y-%m-%d %H:%M:%S")

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def format_imgsize (size) :

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    return "%dx%d" % size