def updateBaseMetadata(self, **kw):
"""
Updates metadata information in the converted OOo document
based on the values provided by the user. This is implemented
through the invocation of the conversion server.
"""
if not self.hasBaseData():
# XXX please pass a meaningful description of error as argument
raise NotConvertedError()
server_proxy = DocumentConversionServerProxy(self)
response_code, response_dict, response_message = \
server_proxy.run_setmetadata(self.getId(),
enc(str(self.getBaseData())),
kw)
if response_code == 200:
# successful meta data extraction
self._setBaseData(dec(response_dict['data']))
self.updateFileMetadata(
) # record in workflow history # XXX must put appropriate comments.
else:
# Explicitly raise the exception!
raise ConversionError(
"OOoDocument: error getting document metadata (Code %s: %s)" %
(response_code, response_message))
def _getConversionFromProxyServer(self, format): # pylint: disable=redefined-builtin
"""
Communicates with server to convert a file
"""
if not self.hasBaseData():
# XXX please pass a meaningful description of error as argument
raise NotConvertedError()
if format == 'text-content':
# Extract text from the ODF file
cs = cStringIO.StringIO()
cs.write(str(self.getBaseData()))
z = zipfile.ZipFile(cs)
s = z.read('content.xml')
s = self.rx_strip.sub(" ", s) # strip xml
s = self.rx_compr.sub(" ", s) # compress multiple spaces
cs.close()
z.close()
return 'text/plain', s
server_proxy = DocumentConversionServerProxy(self)
orig_format = self.getBaseContentType()
generate_result = server_proxy.run_generate(
self.getId(), enc(str(self.getBaseData())), None, format,
orig_format)
try:
_, response_dict, _ = generate_result
except ValueError:
# This is for backward compatibility with older oood version returning
# only response_dict
response_dict = generate_result
# XXX: handle possible OOOd server failure
return response_dict['mime'], Pdata(dec(response_dict['data']))
def _oooConvertByFormat(self, printout, content_type, extra_context,
REQUEST, format, batch_mode):
"""
Convert the ODF document into the given format.
Keyword arguments:
printout -- ODF document
content_type -- the content type of the printout
extra_context -- extra_context including a format
REQUEST -- Request object
format -- requested output format
batch_mode -- Disable headers overriding
"""
if REQUEST is not None and not format:
format = REQUEST.get('format', None)
filename = self.getProperty('filename')
# Call refresh through cloudooo
# XXX This is a temporary implementation:
# Calling a webservice must be done through a WebServiceMethod
# and a WebServiceConnection
from erp5.component.document.Document import DocumentConversionServerProxy, enc, dec
server_proxy = DocumentConversionServerProxy(self)
extension = guess_extension(content_type).strip('.')
printout = dec(server_proxy.convertFile(enc(printout),
extension, # source_format
extension, # destination_format
False, # zip
True)) # refresh
# End of temporary implementation
if not format:
if REQUEST is not None and not batch_mode:
REQUEST.RESPONSE.setHeader('Content-Length', len(printout))
REQUEST.RESPONSE.setHeader('Content-Type','%s' % content_type)
REQUEST.RESPONSE.setHeader('Content-disposition',
'inline;filename="%s%s"' % \
(filename, guess_extension(content_type) or ''))
return printout
tmp_ooo = self.newContent(temp_object=True, portal_type='OOo Document',
id=self.title_or_id())
tmp_ooo.edit(data=printout,
base_data=printout,
filename=self.title_or_id(),
content_type=content_type,
base_content_type=content_type)
mime, data = tmp_ooo.convert(format)
if REQUEST is not None and not batch_mode:
REQUEST.RESPONSE.setHeader('Content-Length', len(data))
REQUEST.RESPONSE.setHeader('Content-type', mime)
REQUEST.RESPONSE.setHeader('Content-disposition',
'attachment;filename="%s.%s"' % (filename, format))
return str(data)
def convertTo(self, format):
# XXX Must be replaced by portal_data_adapters soon
from erp5.component.document.Document import DocumentConversionServerProxy
server_proxy = DocumentConversionServerProxy(self.context)
response_code, response_dict, message = \
server_proxy.getAllowedTargetItemList(self.mimetype)
allowed_extension_list = response_dict['response_data']
if format in dict(allowed_extension_list):
# XXX Must be replaced by portal_data_adapters soon
from erp5.component.document.Document import enc, dec
response_code, response_dict, message = server_proxy.run_generate(
'', enc(self.data), None, format, self.mimetype)
data = dec(response_dict['data'])
if self.mimetype == 'text/html':
data = self.includeImageList(data)
return data
else:
raise ConversionError('Format not allowed %s' % format)
def _convertToBaseFormat(self):
"""
Converts the original document into ODF
by invoking the conversion server. Store the result
on the object. Update metadata information.
"""
server_proxy = DocumentConversionServerProxy(self)
response_code, response_dict, response_message = server_proxy.run_convert(
self.getFilename() or self.getId(), enc(str(self.getData())), None,
None, self.getContentType())
if response_code == 200:
# sucessfully converted document
self._setBaseData(dec(response_dict['data']))
metadata = response_dict['meta']
self._base_metadata = metadata
if metadata.get('MIMEType', None) is not None:
self._setBaseContentType(metadata['MIMEType'])
else:
# Explicitly raise the exception!
raise ConversionError(
"OOoDocument: Error converting document to base format. (Code %s: %s)"
% (response_code, response_message))
def convert(self, orig, data, context=None, **kwargs):
server_proxy = DocumentConversionServerProxy(context)
source_mimetype = self._getAllowedSourceMimetypeFromConversionServer(
server_proxy)
if source_mimetype is None:
raise ConversionError(
"Format(s) not allowed on Conversion Server %r" % self.inputs)
source_format = self._getFormatFromMimetype(source_mimetype)
destination_format = self._getFormatFromMimetype(self.output)
data.setData(
dec(
server_proxy.convertFile(
enc(orig),
source_format,
destination_format,
# Default values are ConversionServer default ones
kwargs.get('zip', False),
kwargs.get('refresh', False),
kwargs.get('conversion_kw', {}))))
return data
