def __init__(self):
# initialize parent class
Component.__init__(self)
# create an instance of the pdf converter
self._converter = PDFConverter()
log.info('Component Initialized: %s' % self.__class__.__name__)
class PDFReader(Component):
__metatype__ = 'ADAPTER'
def __init__(self):
# initialize parent class
Component.__init__(self)
# create an instance of the pdf converter
self._converter = PDFConverter()
log.info('Component Initialized: %s' % self.__class__.__name__)
def run(self):
# Define our components entry point
while True:
# for each document waiting on our input port
for doc in self.receive_all('in'):
try:
data = doc.get('data')
mime = doc.get_meta('mimetype')
# if there is no data, move on to the next doc
if data is None:
continue
# if this is not a file, move on to the next doc
if mime != 'application/pdf':
continue
# do the conversion
# if it fails the converter will return an empty string
body = self._converter.convert(data)
if body:
# write out the body as unicode string
doc.set('body', body.decode('utf-8'))
else:
log.debug('PDF conversion failed')
# delete the binary data
doc.delete('data')
except Exception as e:
log.error('Component Failed: %s' % self.__class__.__name__)
log.error('Reason: %s' % str(e))
#log.error(traceback.print_exc())
# send the document to the next component
self.send('out', doc)
# yield the CPU, allowing another component to run
self.yield_ctrl()
