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from StringIO import StringIO
from cgi import escape
import types
try:
from types import BooleanType
except ImportError:
BooleanType = None
from DateTime import DateTime
#def write(s):
# if type(s) == type(u''):
# print "Unicode:", repr(s)
def formToXML(form, prologue=1):
"""Takes a formulator form and serializes it to an XML representation.
"""
f = StringIO()
write = f.write
if prologue:
write('<?xml version="1.0"?>\n\n')
write('<form>\n')
# export form settings
for field in form.settings_form.get_fields(include_disabled=1):
id = field.id
value = getattr(form, id)
if id == 'title':
value = escape(value)
if id == 'unicode_mode':
if value:
value = 'true'
else:
value = 'false'
write(' <%s>%s</%s>\n' % (id, value, id))
# export form groups
write(' <groups>\n')
for group in form.get_groups(include_empty=1):
write(' <group>\n')
write(' <title>%s</title>\n' % escape(group))
write(' <fields>\n\n')
for field in form.get_fields_in_group(group, include_disabled=1):
write(' <field><id>%s</id> <type>%s</type>\n' %\
(field.id, field.meta_type))
write(' <values>\n')
items = field.values.items()
items.sort()
for key, value in items:
if value is None:
continue
# convert boolean to int
if type(value) == BooleanType:
value = value and 1 or 0
if type(value) == type(1.1):
write(' <%s type="float">%s</%s>\n' %
(key, escape(str(value)), key))
if type(value) == type(1):
write(' <%s type="int">%s</%s>\n' %
(key, escape(str(value)), key))
elif type(value) == types.ListType:
write(' <%s type="list">%s</%s>\n' %
(key, escape(str(value)), key))
elif callable(value):
write(' <%s type="method">%s</%s>\n' %
(key, escape(str(value.method_name)), key))
elif type(value) == type(DateTime()):
write(' <%s type="datetime">%s</%s>\n' %
(key, escape(str(value)), key))
else:
if type(value) not in (types.StringType, types.UnicodeType):
value = str(value)
write(' <%s>%s</%s>\n' \
% (key, escape(value), key))
write(' </values>\n')
write(' <tales>\n')
items = field.tales.items()
items.sort()
for key, value in items:
if value:
write(' <%s>%s</%s>\n' %
(key, escape(str(value._text)), key))
write(' </tales>\n')
write(' <messages>\n')
for message_key in field.get_error_names():
write(' <message name="%s">%s</message>\n' %
(escape(message_key), escape(field.get_error_message(message_key))))
write(' </messages>\n')
write(' </field>\n')
write(' </fields>\n')
write(' </group>\n')
write(' </groups>\n')
write('</form>')
if form.unicode_mode:
return f.getvalue().encode('UTF-8')
else:
return unicode(f.getvalue(), form.stored_encoding).encode('UTF-8')
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