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60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
from json import loads
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from pkg_resources import resource_string
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from tempfile import NamedTemporaryFile
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from os.path import join
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from ocrd import Processor
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from ocrd_modelfactory import page_from_file
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from ocrd_models.ocrd_page import to_xml
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from ocrd_utils import (
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getLogger,
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MIMETYPE_PAGE,
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assert_file_grp_cardinality,
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make_file_id
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)
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from .eynollah import Eynollah
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from .utils.pil_cv2 import pil2cv
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OCRD_TOOL = loads(resource_string(__name__, 'ocrd-tool.json').decode('utf8'))
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class EynollahProcessor(Processor):
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def __init__(self, *args, **kwargs):
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kwargs['ocrd_tool'] = OCRD_TOOL['tools']['ocrd-eynollah-segment']
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kwargs['version'] = OCRD_TOOL['version']
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super().__init__(*args, **kwargs)
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def process(self):
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LOG = getLogger('eynollah')
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assert_file_grp_cardinality(self.input_file_grp, 1)
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assert_file_grp_cardinality(self.output_file_grp, 1)
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for n, input_file in enumerate(self.input_files):
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page_id = input_file.pageId or input_file.ID
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LOG.info("INPUT FILE %s (%d/%d) ", page_id, n + 1, len(self.input_files))
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pcgts = page_from_file(self.workspace.download_file(input_file))
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self.add_metadata(pcgts)
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page = pcgts.get_Page()
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page_image, _, _ = self.workspace.image_from_page(page, page_id, feature_filter='binarized')
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eynollah_kwargs = {
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'dir_models': self.resolve_resource(self.parameter['models']),
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'allow_enhancement': self.parameter['allow_enhancement'],
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'curved_line': self.parameter['curved_line'],
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'full_layout': self.parameter['full_layout'],
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'allow_scaling': self.parameter['allow_scaling'],
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'headers_off': self.parameter['headers_off'],
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'override_dpi': self.parameter['dpi'] if self.parameter['dpi'] > 0 else None,
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'logger': LOG,
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'pcgts': pcgts,
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'image_pil': page_image,
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'image_filename': None}
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Eynollah(**eynollah_kwargs).run()
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file_id = make_file_id(input_file, self.output_file_grp)
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self.workspace.add_file(
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ID=file_id,
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file_grp=self.output_file_grp,
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pageId=page_id,
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mimetype=MIMETYPE_PAGE,
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local_filename=join(self.output_file_grp, file_id) + '.xml',
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content=to_xml(pcgts))
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