kallithea Changeset - be0096a02772

Changeset - be0096a02772

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Marcin Kuzminski - 16 years ago 2010-04-25 00:12:34
marcin@python-works.com

added helper for filesize

1 file changed with 22 insertions and 0 deletions:

pylons_app/lib/helpers.py

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pylons_app/lib/helpers.py

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 """Helper functions
 Consists of functions to typically be used within templates, but also
 available to Controllers. This module is available to both as 'h'.
 """
 from pylons import url
 from pylons.i18n.translation import _, ungettext
 from webhelpers.html import (literal, HTML, escape)
 from webhelpers.html.tools import (auto_link, button_to, highlight, js_obfuscate
                                    , mail_to, strip_links, strip_tags, tag_re)
 from webhelpers.html.tags import (auto_discovery_link, checkbox, css_classes,
                                   end_form, file, form, hidden, image,
                                   javascript_link, link_to, link_to_if,
                                   link_to_unless, ol, required_legend,
                                   select, stylesheet_link,
                                   submit, text, password, textarea, title,
                                   ul, xml_declaration)
 from webhelpers.text import (chop_at, collapse, convert_accented_entities,
                              convert_misc_entities, lchop, plural, rchop,
@@ @@ -34,15 +35,36 @@ class _Link(object): @@
             label = url
         link_fn = link_to(label, url(*url_, **urlargs))
         return link_fn
 class _GetError(object):
     def __call__(self, field_name, form_errors):
         tmpl = """<span class="error_msg">%s</span>"""
         if form_errors and form_errors.has_key(field_name):
             return literal(tmpl % form_errors.get(field_name))
 class _FileSizeFormat():
     """
     Formats the value like a 'human-readable' file size (i.e. 13 KB, 4.1 MB,
 bytes, etc).
     """
     def __call__(self, bytes):
         try:
             bytes = float(bytes)
         except TypeError:
             return u"0 bytes"
         if bytes < 1024:
             return ungettext("%(size)d byte", "%(size)d bytes", bytes) % {'size': bytes}
         if bytes < 1024 * 1024:
             return _("%.1f KB") % (bytes / 1024)
         if bytes < 1024 * 1024 * 1024:
             return _("%.1f MB") % (bytes / (1024 * 1024))
         return _("%.1f GB") % (bytes / (1024 * 1024 * 1024))
 filesizeformat = _FileSizeFormat()
 link = _Link()
 flash = _Flash()
 get_error = _GetError()

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