Jean-Paul Calderone wrote:
> punycode is used by dns. A commonly used email codec is
> quoted-printable. Here's an example of each:
>
> >>> u'Helló world'.encode('utf-8').encode('quopri')
> 'Hell=C3=B3=20world'
> >>> u'Helló world'.encode('punycode')
> 'Hell world-jbb'
> >>>
> Note the extra trip through utf-8 for quoted-printable, as it is not
> implemented in Python as a character encoding, but a byte encoding, so
> you cannot (safely) apply it to a unicode string.
>
> Jean-Paul
>
>>> u'Helló world\\/\x00'.encode('punycode')
'Hell world\\/\x00-elb'
>>> u'Helló world\\/\x00'.encode('utf-8').encode('quopri')
'Hell=C3=B3=20world\\/=00'
>>>
that doesn't remove \ /
that other base.. things similar
so finally found me reggae'ing :-( , but this provides minimal optical
damage for common strings ...
def encode_as_filename(s):
def _(m): return "+%02X" % ord(m.group(0))
return re.sub('[\x00"\\\\/*?:<>|+\n]',_,s)
def decode_from_filename(s):
def _(m): return chr(int(m.group(0)[1:],16))
return re.sub("\\+[\dA-F]{2,2}",_,s)
>>> newsletter.encode_as_filename('[EMAIL PROTECTED]/\\+\n\x00:+test')
'[EMAIL PROTECTED]'
>>> newsletter.decode_from_filename(_)
'[EMAIL PROTECTED]/\\+\n\x00:+test'
>>>
Robert
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