Class conv

helper.py:332–380

class conv():
    # return current time
    def now(self):
        return int(time.time())

    # return time elapsed since unix epoch
    def elapsed(self, date, div=1, short=False):
        date = str(datetime.timedelta(seconds=int(date)/div))
        return date.split(",")[0] if short else date

    # return date dependent on current year
    def lsdate(self, date):
        year1 = datetime.datetime.now().year
        year2 = datetime.datetime.fromtimestamp(date).year
        pdate = '%b %e ' if os.name == 'posix' else '%b %d '
        format = pdate + "%H:%M" if year1 == year2 else pdate + " %Y"
        return time.strftime(format, time.localtime(date))

    # return date plus/minus given seconds
    def timediff(self, seconds):
        return self.lsdate(self.now() + self.int(seconds) / 1000)

    # convert size to human readable value
    def filesize(self, num):
        num = self.int(num)
        for unit in ['B', 'K', 'M']:
            if abs(num) < 1024.0:
                return (("%4.1f%s" if unit == 'M' else "%4.0f%s") % (num, unit))
            num /= 1024.0

    # remove carriage return from line breaks
    def nstrip(self, data):
        return re.sub(r'\r\n', '\n', data)

    # convert string to hexadecimal
    def hex(self, data, sep=''):
        return sep.join("{:02x}".format(ord(c)) for c in data)

    # convert to ascii character
    def chr(self, num):
        return chr(self.int(num))

    # convert to integer or zero
    def int(self, num):
        try:
            n = int(num)
        except ValueError:
            n = 0
        return n

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