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comparison pylons_app/lib/helpers.py @ 97:be0096a02772

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added helper for filesize
author Marcin Kuzminski <marcin@python-works.com>
date Sun, 25 Apr 2010 00:12:34 +0200
parents 0bb9391bc287
children 01d0f363f36d
comparison
equal deleted inserted replaced
96:f24b9a2934cf 97:be0096a02772
2 2
3 Consists of functions to typically be used within templates, but also 3 Consists of functions to typically be used within templates, but also
4 available to Controllers. This module is available to both as 'h'. 4 available to Controllers. This module is available to both as 'h'.
5 """ 5 """
6 from pylons import url 6 from pylons import url
7 from pylons.i18n.translation import _, ungettext
7 from webhelpers.html import (literal, HTML, escape) 8 from webhelpers.html import (literal, HTML, escape)
8 from webhelpers.html.tools import (auto_link, button_to, highlight, js_obfuscate 9 from webhelpers.html.tools import (auto_link, button_to, highlight, js_obfuscate
9 , mail_to, strip_links, strip_tags, tag_re) 10 , mail_to, strip_links, strip_tags, tag_re)
10 from webhelpers.html.tags import (auto_discovery_link, checkbox, css_classes, 11 from webhelpers.html.tags import (auto_discovery_link, checkbox, css_classes,
11 end_form, file, form, hidden, image, 12 end_form, file, form, hidden, image,
41 def __call__(self, field_name, form_errors): 42 def __call__(self, field_name, form_errors):
42 tmpl = """<span class="error_msg">%s</span>""" 43 tmpl = """<span class="error_msg">%s</span>"""
43 if form_errors and form_errors.has_key(field_name): 44 if form_errors and form_errors.has_key(field_name):
44 return literal(tmpl % form_errors.get(field_name)) 45 return literal(tmpl % form_errors.get(field_name))
45 46
47 class _FileSizeFormat():
48 """
49 Formats the value like a 'human-readable' file size (i.e. 13 KB, 4.1 MB,
50 102 bytes, etc).
51 """
52 def __call__(self, bytes):
53 try:
54 bytes = float(bytes)
55 except TypeError:
56 return u"0 bytes"
57
58 if bytes < 1024:
59 return ungettext("%(size)d byte", "%(size)d bytes", bytes) % {'size': bytes}
60 if bytes < 1024 * 1024:
61 return _("%.1f KB") % (bytes / 1024)
62 if bytes < 1024 * 1024 * 1024:
63 return _("%.1f MB") % (bytes / (1024 * 1024))
64 return _("%.1f GB") % (bytes / (1024 * 1024 * 1024))
65
66
67 filesizeformat = _FileSizeFormat()
46 link = _Link() 68 link = _Link()
47 flash = _Flash() 69 flash = _Flash()
48 get_error = _GetError() 70 get_error = _GetError()