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forgotten to update the ZPL due to a script error
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@zopyx
zopyx committed Nov 18, 2005
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208 changes: 208 additions & 0 deletions MIMETag.py
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##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
__rcs_id__='$Id$'
__version__='$Revision: 1.12 $'[11:-2]

from DocumentTemplate.DT_Util import *
from DocumentTemplate.DT_String import String
from MimeWriter import MimeWriter
from cStringIO import StringIO
import mimetools

MIMEError = "MIME Tag Error"

class MIMETag:
'''
'''

name='mime'
blockContinuations=('boundary',)
encode=None

def __init__(self, blocks):
self.sections = []

for tname, args, section in blocks:
if tname == 'mime':
args = parse_params( args
, type=None, type_expr=None
, disposition=None, disposition_expr=None
, encode=None, encode_expr=None
, name=None, name_expr=None
, filename=None, filename_expr=None
, cid=None, cid_expr=None
, charset=None, charset_expr=None
, skip_expr=None
, multipart=None
)
self.multipart = args.get('multipart', 'mixed')
else:
args = parse_params( args
, type=None, type_expr=None
, disposition=None, disposition_expr=None
, encode=None, encode_expr=None
, name=None, name_expr=None
, filename=None, filename_expr=None
, cid=None, cid_expr=None
, charset=None, charset_expr=None
, skip_expr=None
)

has_key=args.has_key

if has_key('type'):
type = args['type']
else:
type = 'application/octet-stream'

if has_key('type_expr'):
if has_key('type'):
raise ParseError, _tm('type and type_expr given', 'mime')
args['type_expr']=Eval(args['type_expr'])
elif not has_key('type'):
args['type']='application/octet-stream'

if has_key('disposition_expr'):
if has_key('disposition'):
raise ParseError, _tm('disposition and disposition_expr given', 'mime')
args['disposition_expr']=Eval(args['disposition_expr'])
elif not has_key('disposition'):
args['disposition']=''

if has_key('encode_expr'):
if has_key('encode'):
raise ParseError, _tm('encode and encode_expr given', 'mime')
args['encode_expr']=Eval(args['encode_expr'])
elif not has_key('encode'):
args['encode']='base64'

if has_key('name_expr'):
if has_key('name'):
raise ParseError, _tm('name and name_expr given', 'mime')
args['name_expr']=Eval(args['name_expr'])
elif not has_key('name'):
args['name']=''

if has_key('filename_expr'):
if has_key('filename'):
raise ParseError, _tm('filename and filename_expr given', 'mime')
args['filename_expr']=Eval(args['filename_expr'])
elif not has_key('filename'):
args['filename']=''

if has_key('cid_expr'):
if has_key('cid'):
raise ParseError, _tm('cid and cid_expr given', 'mime')
args['cid_expr']=Eval(args['cid_expr'])
elif not has_key('cid'):
args['cid']=''

if has_key('charset_expr'):
if has_key('charset'):
raise ParseError, _tm('charset and charset_expr given', 'mime')
args['charset_expr']=Eval(args['charset_expr'])
elif not has_key('charset'):
args['charset']=''

if has_key('skip_expr'):
args['skip_expr']=Eval(args['skip_expr'])

if args['encode'] not in \
('base64', 'quoted-printable', 'uuencode', 'x-uuencode',
'uue', 'x-uue', '7bit'):
raise MIMEError, (
'An unsupported encoding was specified in tag')

self.sections.append((args, section.blocks))


def render(self, md):
contents=[]
IO = StringIO()
IO.write("Mime-Version: 1.0\n")
mw = MimeWriter(IO)
outer = mw.startmultipartbody(self.multipart)
for x in self.sections:
a, b = x
has_key=a.has_key

if has_key('skip_expr') and a['skip_expr'].eval(md):
continue

inner = mw.nextpart()

if has_key('type_expr'): t=a['type_expr'].eval(md)
else: t=a['type']

if has_key('disposition_expr'): d=a['disposition_expr'].eval(md)
else: d=a['disposition']

if has_key('encode_expr'): e=a['encode_expr'].eval(md)
else: e=a['encode']

if has_key('name_expr'): n=a['name_expr'].eval(md)
else: n=a['name']

if has_key('filename_expr'): f=a['filename_expr'].eval(md)
else: f=a['filename']

if has_key('cid_expr'): cid=a['cid_expr'].eval(md)
else: cid=a['cid']

if has_key('charset_expr'): charset=a['charset_expr'].eval(md)
else: charset=a['charset']

if d:
if f:
inner.addheader('Content-Disposition', '%s;\n filename="%s"' % (d, f))
else:
inner.addheader('Content-Disposition', d)

inner.addheader('Content-Transfer-Encoding', e)

if cid:
inner.addheader('Content-ID', '<%s>' % cid)

if n:
plist = [('name', n)]
else:
plist = []

if t.startswith('text/'):
plist.append(('charset', charset or 'us-ascii'))

innerfile = inner.startbody(t, plist, 1)

output = StringIO()
if e == '7bit':
innerfile.write(render_blocks(b, md))
else:
mimetools.encode(StringIO(render_blocks(b, md)),
output, e)
output.seek(0)
innerfile.write(output.read())

# XXX what if self.sections is empty ??? does it matter that mw.lastpart() is called
# right after mw.startmultipartbody() ?
if x is self.sections[-1]:
mw.lastpart()

outer.seek(0)
return outer.read()


__call__=render



String.commands['mime'] = MIMETag
17 changes: 17 additions & 0 deletions __init__.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
__doc__='''MIMETools Product Initialization
$Id$'''
__version__='$Revision: 1.3 $'[11:-2]

import MIMETag

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