terom@12: import urllib
terom@12: from formatbytes import formatbytes
terom@12: from datetime import datetime
terom@12: 
terom@44: """
terom@44:     Helper functions for use in templates
terom@44: """
terom@44: 
terom@12: def iter_is_first (seq) :
terom@12:     flag = True
terom@12:     
terom@12:     for item in seq :
terom@12:         yield item, flag
terom@12:         flag = False
terom@12:         
terom@12: def url_for_page (page) :
terom@12:     assert page >= 0
terom@12: 
terom@12:     if page > 0 :
terom@12:         return  'index_%d.html' % page
terom@12:     else :
terom@12:         return 'index.html'
terom@12: 
terom@12: def tag_for_img (page, img) :
terom@12:     return """<a href="%s"><img src="%s" /></a>""" % (page, img)
terom@12: 
terom@12: def format_filesize (size) :
terom@12:     return formatbytes(size, forcekb=False, largestonly=True, kiloname='KiB', meganame='MiB', bytename='B', nospace=False)
terom@12: 
terom@12: def format_timestamp (ts) :
terom@12:     return datetime.fromtimestamp(ts).strftime("%Y-%m-%d %H:%M:%S")
terom@12: 
terom@12: def format_imgsize (size) :
terom@12:     return "%dx%d" % size