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✨ sbb_textline_detector: Allow PAGE input in OCR-D interface
Previous OCR-D processors may output PAGE files instead of image files. Resolve images file from PAGE files if necessary.
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1 changed files with 17 additions and 5 deletions
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@ -4,7 +4,9 @@ import os
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import click
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from ocrd import Processor
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from ocrd.decorators import ocrd_cli_options, ocrd_cli_wrap_processor
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from ocrd_utils import concat_padded, getLogger
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from ocrd_modelfactory import page_from_file
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from ocrd_models import OcrdFile
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from ocrd_utils import concat_padded, getLogger, MIMETYPE_PAGE
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from pkg_resources import resource_string
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from qurator.sbb_textline_detector import textlineerkenner
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@ -32,12 +34,22 @@ class OcrdSbbTextlineDetectorRecognize(Processor):
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file_id = concat_padded(self.output_file_grp, n)
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return file_id
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def _resolve_image_file(self, input_file: OcrdFile) -> str:
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if input_file.mimetype == MIMETYPE_PAGE:
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pcgts = page_from_file(self.workspace.download_file(input_file))
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page = pcgts.get_Page()
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image_file = page.imageFilename
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else:
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image_file = input_file.local_filename
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return image_file
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def process(self):
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for n, page_id in enumerate(self.workspace.mets.physical_pages):
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image_file = self.workspace.mets.find_files(fileGrp=self.input_file_grp, pageId=page_id)[0]
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log.info("INPUT FILE %i / %s", n, image_file)
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input_file = self.workspace.mets.find_files(fileGrp=self.input_file_grp, pageId=page_id)[0]
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log.info("INPUT FILE %i / %s", n, input_file)
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file_id = self._make_file_id(image_file, self.output_file_grp, n)
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file_id = self._make_file_id(input_file, self.output_file_grp, n)
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image_file = self._resolve_image_file(input_file)
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# Process the files
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try:
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@ -46,7 +58,7 @@ class OcrdSbbTextlineDetectorRecognize(Processor):
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pass
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model = self.parameter['model']
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x = textlineerkenner(image_file.local_filename, self.output_file_grp, file_id, model)
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x = textlineerkenner(image_file, self.output_file_grp, file_id, model)
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x.run()
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self.workspace.add_file(
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