Esempio n. 1
0
    def set(self, instance, value, **kwargs):
        """
        Check if value is an actual date/time value. If not, attempt
        to convert it to one; otherwise, set to None. Assign all
        properties passed as kwargs to object.
        """
        val = value
        if not value:
            val = None
        elif not isinstance(value, DateTime):
            for fmt in ['date_format_long', 'date_format_short']:
                fmtstr = instance.translate(fmt, domain='bika', mapping={})
                fmtstr = fmtstr.replace(r"${", '%').replace('}', '')
                try:
                    val = strptime(value, fmtstr)
                except ValueError:
                    continue
                try:
                    val = DateTime(*list(val)[:-6])
                except DateTimeError:
                    val = None
                if val.timezoneNaive():
                    # Use local timezone for tz naive strings
                    # see http://dev.plone.org/plone/ticket/10141
                    zone = val.localZone(safelocaltime(val.timeTime()))
                    parts = val.parts()[:-1] + (zone,)
                    val = DateTime(*parts)
                break
            else:
                logger.warning("DateTimeField failed to format date "
                               "string '%s' with '%s'" % (value, fmtstr))

        super(DateTimeField, self).set(instance, val, **kwargs)
Esempio n. 2
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    def set(self, instance, value, **kwargs):
        """
        Check if value is an actual date/time value. If not, attempt
        to convert it to one; otherwise, set to None. Assign all
        properties passed as kwargs to object.
        """
        val = value
        if not value:
            val = None
        elif not isinstance(value, DateTime):
            for fmt in ['date_format_long', 'date_format_short']:
                fmtstr = instance.translate(fmt, domain='bika', mapping={})
                fmtstr = fmtstr.replace(r"${", '%').replace('}', '')
                try:
                    val = strptime(value, fmtstr)
                except ValueError:
                    continue
                try:
                    val = DateTime(*list(val)[:-6])
                except DateTimeError:
                    val = None
                if val.timezoneNaive():
                    # Use local timezone for tz naive strings
                    # see http://dev.plone.org/plone/ticket/10141
                    zone = val.localZone(safelocaltime(val.timeTime()))
                    parts = val.parts()[:-1] + (zone, )
                    val = DateTime(*parts)
                break
            else:
                logger.warning("DateTimeField failed to format date "
                               "string '%s' with '%s'" % (value, fmtstr))

        super(DateTimeField, self).set(instance, val, **kwargs)
Esempio n. 3
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def strptime(context, value):
    """given a string, this function tries to return a DateTime.DateTime object
    with the date formats from i18n translations
    """
    val = ""
    for fmt in ['date_format_long', 'date_format_short']:
        fmtstr = context.translate(fmt, domain='bika', mapping={})
        fmtstr = fmtstr.replace(r"${", '%').replace('}', '')
        try:
            val = _strptime(value, fmtstr)
        except ValueError:
            continue
        try:
            val = DateTime(*list(val)[:-6])
        except DateTimeError:
            val = ""
        if val.timezoneNaive():
            # Use local timezone for tz naive strings
            # see http://dev.plone.org/plone/ticket/10141
            zone = val.localZone(safelocaltime(val.timeTime()))
            parts = val.parts()[:-1] + (zone,)
            val = DateTime(*parts)
        break
    else:
        logger.warning("DateTimeField failed to format date "
                       "string '%s' with '%s'" % (value, fmtstr))
    return val