def _getHandler(self, instance):
"""
_getHandler(self, instance) => get the handler object
"""
handler = AttachmentHandler.getAttachmentHandler(
self.getContentType(instance, ),
self, instance,
)
return handler
def _old_testFileIndexing(self, file, handler, output_encoding):
"""
testFileIndexing(self, file, handler, output_encoding) => dict
the dict keys are :
- content_type: MIME type
- content_length: length
- filename: filename (!)
- raw_content: file.read()
- index: indexable value
- preview: html preview
- encoding: same as output_encoding
handler id and output encoding must be provided.
"""
import AttachmentHandler
filename = file.filename
content = file.read()
content_type = string.lower(file.headers['Content-Type'])
ret = {
"content_type": content_type,
"content_length": len(content),
"filename": filename,
"raw_content": content,
"handler": "(unknown)",
"handler_mime": "(unknown)",
"index": "(unavailable)",
"index_sample": "(unavailable)",
"preview": "(unavailable)",
"encoding": output_encoding,
}
handlers = AttachmentHandler.__HANDLERS__
hnd = handler
name = None
mime = None
if hnd:
# Specific handler : get it
for klass, handler in handlers:
name = klass
if name == hnd:
break
else:
# Try to guess the handler according to content-type
handler = AttachmentHandler.getAttachmentHandler(
content_type, None, self,
)
name = handler.__class__.__name__
mime = handler.content_types
# Ok, we've found the right handler
ret["handler_mime"] = mime
ret["handler"] = name
try:
# use the converter
index = handler.convertStringToIndex(content, content_type, self)
# Provide a more useable presentation
index_sample = index[:INDEX_SAMPLE_LENGTH]
index = "%d words." % (
len(string.split(index)),
)
except:
s = StringIO.StringIO()
traceback.print_exc(file = s, )
s.seek(0)
index = s.read()
index_sample = ""
try:
preview = handler.convertStringToPreview(content, content_type, self)
preview = preview.encode(output_encoding, "replace")
except:
s = StringIO.StringIO()
traceback.print_exc(file = s, )
s.seek(0)
preview = s.read()
ret['index'] = index
ret['index_sample'] = index_sample
ret['preview'] = preview
return ret
