app/django/utils/http.py
author Todd Larsen <tlarsen@google.com>
Mon, 29 Sep 2008 15:46:42 +0000
changeset 208 e076aee6e90f
parent 54 03e267d67478
child 323 ff1a9aa48cfd
permissions -rw-r--r--
Take advantage of the Model inheritance provided by polymodel.PolyModel to have Club, School, Sponsor, and Organization actually inherit from the Group Model class, rather than being composed via ReferenceProperties. Patch by: Todd Larsen Review by: Pawel Solyga, Sverre Rabbelier, Augie Fackler Review URL: http://codereviews.googleopensourceprograms.com/606
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import urllib
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from email.Utils import formatdate
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from django.utils.encoding import smart_str, force_unicode
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from django.utils.functional import allow_lazy
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def urlquote(url, safe='/'):
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    """
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    A version of Python's urllib.quote() function that can operate on unicode
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    strings. The url is first UTF-8 encoded before quoting. The returned string
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    can safely be used as part of an argument to a subsequent iri_to_uri() call
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    without double-quoting occurring.
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    """
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    return force_unicode(urllib.quote(smart_str(url), safe))
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urlquote = allow_lazy(urlquote, unicode)
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def urlquote_plus(url, safe=''):
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    """
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    A version of Python's urllib.quote_plus() function that can operate on
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    unicode strings. The url is first UTF-8 encoded before quoting. The
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    returned string can safely be used as part of an argument to a subsequent
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    iri_to_uri() call without double-quoting occurring.
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    """
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    return force_unicode(urllib.quote_plus(smart_str(url), safe))
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urlquote_plus = allow_lazy(urlquote_plus, unicode)
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def urlencode(query, doseq=0):
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    """
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    A version of Python's urllib.urlencode() function that can operate on
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    unicode strings. The parameters are first case to UTF-8 encoded strings and
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    then encoded as per normal.
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    """
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    if hasattr(query, 'items'):
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        query = query.items()
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    return urllib.urlencode(
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        [(smart_str(k),
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         isinstance(v, (list,tuple)) and [smart_str(i) for i in v] or smart_str(v))
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            for k, v in query],
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        doseq)
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def cookie_date(epoch_seconds=None):
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    """
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    Formats the time to ensure compatibility with Netscape's cookie standard.
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    Accepts a floating point number expressed in seconds since the epoch, in
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    UTC - such as that outputted by time.time(). If set to None, defaults to
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    the current time.
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    Outputs a string in the format 'Wdy, DD-Mon-YYYY HH:MM:SS GMT'.
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    """
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    rfcdate = formatdate(epoch_seconds)
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    return '%s-%s-%s GMT' % (rfcdate[:7], rfcdate[8:11], rfcdate[12:25])
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def http_date(epoch_seconds=None):
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    """
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    Formats the time to match the RFC1123 date format as specified by HTTP
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    RFC2616 section 3.3.1.
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    Accepts a floating point number expressed in seconds since the epoch, in
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    UTC - such as that outputted by time.time(). If set to None, defaults to
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    the current time.
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    Outputs a string in the format 'Wdy, DD Mon YYYY HH:MM:SS GMT'.
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    """
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    rfcdate = formatdate(epoch_seconds)
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    return '%s GMT' % rfcdate[:25]