def execute(self, file_object, page_number):
logger.debug('Parsing PDF page: %d', page_number)
destination_descriptor, temp_filepath = tempfile.mkstemp(
dir=setting_temporary_directory.value)
copyfile(file_object, temp_filepath)
command = []
command.append(self.pdftotext_path)
command.append('-f')
command.append(str(page_number))
command.append('-l')
command.append(str(page_number))
command.append(temp_filepath)
command.append('-')
proc = subprocess.Popen(command,
close_fds=True,
stderr=subprocess.PIPE,
stdout=subprocess.PIPE)
return_code = proc.wait()
if return_code != 0:
logger.error(proc.stderr.readline())
raise ParserError
output = proc.stdout.read()
if output == b'\x0c':
logger.debug('Parser didn\'t return any output')
return ''
if output[-3:] == b'\x0a\x0a\x0c':
return output[:-3]
return output
def parse(self, document_page, descriptor=None):
logger.debug('parsing PDF with PopplerParser')
pagenum = str(document_page.page_number)
if descriptor:
destination_descriptor, temp_filepath = tempfile.mkstemp(
dir=TEMPORARY_DIRECTORY)
copyfile(descriptor, temp_filepath)
document_file = temp_filepath
else:
document_file = document_page.document.document_save_to_temp_dir(
document_page.document.checksum)
logger.debug('document_file: %s', document_file)
logger.debug('parsing PDF page %s', pagenum)
command = []
command.append(self.pdftotext_path)
command.append('-f')
command.append(pagenum)
command.append('-l')
command.append(pagenum)
command.append(document_file)
command.append('-')
proc = subprocess.Popen(command,
close_fds=True,
stderr=subprocess.PIPE,
stdout=subprocess.PIPE)
return_code = proc.wait()
if return_code != 0:
logger.error(proc.stderr.readline())
raise ParserError
output = proc.stdout.read()
if output == b'\x0c':
logger.debug('Parser didn\'t return any output')
raise ParserError('No output')
document_page.content = output
document_page.page_label = _('Text extracted from PDF')
document_page.save()
def parse(self, document_page, descriptor=None):
logger.debug('parsing PDF with PopplerParser')
pagenum = str(document_page.page_number)
if descriptor:
destination_descriptor, temp_filepath = tempfile.mkstemp(dir=TEMPORARY_DIRECTORY)
copyfile(descriptor, temp_filepath)
document_file = temp_filepath
else:
document_file = document_page.document.document_save_to_temp_dir(document_page.document.checksum)
logger.debug('document_file: %s', document_file)
logger.debug('parsing PDF page %s', pagenum)
command = []
command.append(self.pdftotext_path)
command.append('-f')
command.append(pagenum)
command.append('-l')
command.append(pagenum)
command.append(document_file)
command.append('-')
proc = subprocess.Popen(command, close_fds=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
return_code = proc.wait()
if return_code != 0:
logger.error(proc.stderr.readline())
raise ParserError
output = proc.stdout.read()
if output == b'\x0c':
logger.debug('Parser didn\'t return any output')
raise ParserError('No output')
document_page.content = output
document_page.page_label = _('Text extracted from PDF')
document_page.save()
def execute(self, file_object, page_number):
logger.debug('Parsing PDF page: %d', page_number)
destination_descriptor, temp_filepath = mkstemp()
copyfile(file_object, temp_filepath)
command = []
command.append(self.pdftotext_path)
command.append('-f')
command.append(str(page_number))
command.append('-l')
command.append(str(page_number))
command.append(temp_filepath)
command.append('-')
proc = subprocess.Popen(
command, close_fds=True, stderr=subprocess.PIPE,
stdout=subprocess.PIPE
)
return_code = proc.wait()
if return_code != 0:
logger.error(proc.stderr.readline())
fs_cleanup(temp_filepath, file_descriptor=destination_descriptor)
raise ParserError
output = proc.stdout.read()
fs_cleanup(temp_filepath, file_descriptor=destination_descriptor)
if output == b'\x0c':
logger.debug('Parser didn\'t return any output')
return ''
if output[-3:] == b'\x0a\x0a\x0c':
return output[:-3]
return output
