mirror of
https://github.com/qurator-spk/eynollah.git
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Merge pull request #31 from qurator-spk/ocrd-page-api
replace lxml with OCR-D/core PAGE API
This commit is contained in:
vahidrezanezhad
GitHub
commit
b643ced9fb
3 changed files with 124 additions and 131 deletions
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@ -1,60 +1,63 @@
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# pylint: disable=too-many-locals,wrong-import-position,too-many-lines,too-many-statements,chained-comparison,fixme,broad-except,c-extension-no-member
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# pylint: disable=invalid-name
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from lxml import etree as ET
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from .counter import EynollahIdCounter
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import numpy as np
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from datetime import datetime
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NAMESPACES = {}
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NAMESPACES['page'] = "http://schema.primaresearch.org/PAGE/gts/pagecontent/2019-07-15"
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NAMESPACES['xsi'] = "http://www.w3.org/2001/XMLSchema-instance"
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NAMESPACES[None] = NAMESPACES['page']
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from ocrd_models.ocrd_page import (
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CoordsType,
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GlyphType,
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ImageRegionType,
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MathsRegionType,
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MetadataType,
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MetadataItemType,
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NoiseRegionType,
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OrderedGroupIndexedType,
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OrderedGroupType,
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PcGtsType,
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PageType,
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ReadingOrderType,
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RegionRefIndexedType,
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RegionRefType,
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SeparatorRegionType,
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TableRegionType,
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TextEquivType,
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TextLineType,
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TextRegionType,
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UnorderedGroupIndexedType,
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UnorderedGroupType,
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WordType,
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to_xml)
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def create_page_xml(imageFilename, height, width):
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pcgts = ET.Element("PcGts", nsmap=NAMESPACES)
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pcgts.set("{%s}schemaLocation" % NAMESPACES['xsi'], NAMESPACES['page'])
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metadata = ET.SubElement(pcgts, "Metadata")
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author = ET.SubElement(metadata, "Creator")
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author.text = "SBB_QURATOR"
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created = ET.SubElement(metadata, "Created")
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created.text = "2019-06-17T18:15:12"
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changetime = ET.SubElement(metadata, "LastChange")
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changetime.text = "2019-06-17T18:15:12"
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page = ET.SubElement(pcgts, "Page")
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page.set("imageFilename", imageFilename)
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page.set("imageHeight", str(height))
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page.set("imageWidth", str(width))
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page.set("type", "content")
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page.set("readingDirection", "left-to-right")
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page.set("textLineOrder", "top-to-bottom")
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return pcgts, page
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def add_textequiv(parent, text=''):
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textequiv = ET.SubElement(parent, 'TextEquiv')
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unireg = ET.SubElement(textequiv, 'Unicode')
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unireg.text = text
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now = datetime.now()
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pcgts = PcGtsType(
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Metadata=MetadataType(
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Creator='SBB_QURATOR',
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Created=now,
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LastChange=now
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),
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Page=PageType(
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imageWidth=str(width),
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imageHeight=str(height),
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imageFilename=imageFilename,
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readingDirection='left-to-right',
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textLineOrder='top-to-bottom'
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))
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return pcgts
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def xml_reading_order(page, order_of_texts, id_of_marginalia):
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region_order = ET.SubElement(page, 'ReadingOrder')
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region_order_sub = ET.SubElement(region_order, 'OrderedGroup')
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region_order_sub.set('id', "ro357564684568544579089")
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region_order = ReadingOrderType()
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og = OrderedGroupType(id="ro357564684568544579089")
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page.set_ReadingOrder(region_order)
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region_order.set_OrderedGroup(og)
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region_counter = EynollahIdCounter()
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for idx_textregion, _ in enumerate(order_of_texts):
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name = ET.SubElement(region_order_sub, 'RegionRefIndexed')
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name.set('index', str(region_counter.get('region')))
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name.set('regionRef', region_counter.region_id(order_of_texts[idx_textregion] + 1))
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og.add_RegionRefIndexed(RegionRefIndexedType(index=str(region_counter.get('region')), regionRef=region_counter.region_id(order_of_texts[idx_textregion] + 1)))
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region_counter.inc('region')
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for id_marginal in id_of_marginalia:
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name = ET.SubElement(region_order_sub, 'RegionRefIndexed')
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name.set('index', str(region_counter.get('region')))
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name.set('regionRef', id_marginal)
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og.add_RegionRefIndexed(RegionRefIndexedType(index=str(region_counter.get('region')), regionRef=id_marginal))
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region_counter.inc('region')
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def order_and_id_of_texts(found_polygons_text_region, found_polygons_text_region_h, matrix_of_orders, indexes_sorted, index_of_types, kind_of_texts, ref_point):
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@ -1,23 +1,36 @@
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# pylint: disable=too-many-locals,wrong-import-position,too-many-lines,too-many-statements,chained-comparison,fixme,broad-except,c-extension-no-member
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# pylint: disable=import-error
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from pathlib import Path
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import os.path
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from .utils.xml import create_page_xml, add_textequiv, xml_reading_order
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from .utils.xml import create_page_xml, xml_reading_order
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from .utils.counter import EynollahIdCounter
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from ocrd_utils import getLogger
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from lxml import etree as ET
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from ocrd_models.ocrd_page import (
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BorderType,
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CoordsType,
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TextEquivType,
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PcGtsType,
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TextLineType,
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TextRegionType,
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ImageRegionType,
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TableRegionType,
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to_xml
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)
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import numpy as np
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class EynollahXmlWriter():
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def __init__(self, *, dir_out, image_filename, curved_line):
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def __init__(self, *, dir_out, image_filename, curved_line, pcgts=None):
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self.logger = getLogger('eynollah.writer')
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self.counter = EynollahIdCounter()
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self.dir_out = dir_out
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self.image_filename = image_filename
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self.image_filename_stem = Path(Path(image_filename).name).stem
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self.curved_line = curved_line
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self.pcgts = pcgts if pcgts else PcGtsType()
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self.scale_x = None # XXX set outside __init__
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self.scale_y = None # XXX set outside __init__
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self.height_org = None # XXX set outside __init__
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@ -38,12 +51,12 @@ class EynollahXmlWriter():
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points_page_print = points_page_print + ' '
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return points_page_print[:-1]
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def serialize_lines_in_marginal(self, marginal, all_found_texline_polygons_marginals, marginal_idx, page_coord, all_box_coord_marginals, slopes_marginals, counter):
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def serialize_lines_in_marginal(self, marginal_region, all_found_texline_polygons_marginals, marginal_idx, page_coord, all_box_coord_marginals, slopes_marginals, counter):
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for j in range(len(all_found_texline_polygons_marginals[marginal_idx])):
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textline = ET.SubElement(marginal, 'TextLine')
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textline.set('id', counter.next_line_id)
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coord = ET.SubElement(textline, 'Coords')
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add_textequiv(textline)
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coords = CoordsType()
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textline = TextLineType(id=counter.next_line_id, coords=coords)
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marginal_region.add_TextLine(textline)
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textline.add_TextEquiv(TextEquivType(Unicode=''))
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points_co = ''
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for l in range(len(all_found_texline_polygons_marginals[marginal_idx][j])):
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if not self.curved_line:
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@ -74,20 +87,16 @@ class EynollahXmlWriter():
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points_co += str(int((all_found_texline_polygons_marginals[marginal_idx][j][l][0][0] + all_box_coord_marginals[marginal_idx][2] + page_coord[2]) / self.scale_x))
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points_co += ','
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points_co += str(int((all_found_texline_polygons_marginals[marginal_idx][j][l][0][1] + all_box_coord_marginals[marginal_idx][0] + page_coord[0]) / self.scale_y))
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points += ' '
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coords.set_points(points_co[:-1])
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if l < len(all_found_texline_polygons_marginals[marginal_idx][j]) - 1:
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points_co += ' '
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coord.set('points',points_co)
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def serialize_lines_in_region(self, textregion, all_found_texline_polygons, region_idx, page_coord, all_box_coord, slopes, counter):
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def serialize_lines_in_region(self, text_region, all_found_texline_polygons, region_idx, page_coord, all_box_coord, slopes, counter):
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self.logger.debug('enter serialize_lines_in_region')
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for j in range(len(all_found_texline_polygons[region_idx])):
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textline = ET.SubElement(textregion, 'TextLine')
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textline.set('id', counter.next_line_id)
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coord = ET.SubElement(textline, 'Coords')
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add_textequiv(textline)
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coords = CoordsType()
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textline = TextLineType(id=counter.next_line_id, coords=coords, TextEquiv=[TextEquivType(index=0, Unicode='')])
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text_region.add_TextLine(textline)
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region_bboxes = all_box_coord[region_idx]
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points_co = ''
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for idx_contour_textline, contour_textline in enumerate(all_found_texline_polygons[region_idx][j]):
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if not self.curved_line:
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@ -119,23 +128,22 @@ class EynollahXmlWriter():
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points_co += str(int((contour_textline[0][0] + region_bboxes[2]+page_coord[2])/self.scale_x))
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points_co += ','
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points_co += str(int((contour_textline[0][1] + region_bboxes[0]+page_coord[0])/self.scale_y))
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points_co += ' '
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coord.set('points', points_co[:-1])
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coords.set_points(points_co[:-1])
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def write_pagexml(self, pcgts):
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self.logger.info("filename stem: '%s'", self.image_filename_stem)
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tree = ET.ElementTree(pcgts)
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tree.write(os.path.join(self.dir_out, self.image_filename_stem) + ".xml")
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out_fname = os.path.join(self.dir_out, self.image_filename_stem) + ".xml"
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self.logger.info("output filename: '%s'", out_fname)
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with open(out_fname, 'w') as f:
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f.write(to_xml(pcgts))
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def build_pagexml_no_full_layout(self, found_polygons_text_region, page_coord, order_of_texts, id_of_texts, all_found_texline_polygons, all_box_coord, found_polygons_text_region_img, found_polygons_marginals, all_found_texline_polygons_marginals, all_box_coord_marginals, slopes, slopes_marginals, cont_page):
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self.logger.debug('enter build_pagexml_no_full_layout')
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# create the file structure
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pcgts, page = create_page_xml(self.image_filename, self.height_org, self.width_org)
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page_print_sub = ET.SubElement(page, "Border")
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coord_page = ET.SubElement(page_print_sub, "Coords")
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coord_page.set('points', self.calculate_page_coords(cont_page))
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pcgts = create_page_xml(self.image_filename, self.height_org, self.width_org)
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page = pcgts.get_Page()
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page.set_Border(BorderType(Coords=CoordsType(points=self.calculate_page_coords(cont_page))))
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counter = EynollahIdCounter()
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if len(found_polygons_text_region) > 0:
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@ -144,33 +152,28 @@ class EynollahXmlWriter():
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xml_reading_order(page, order_of_texts, id_of_marginalia)
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for mm in range(len(found_polygons_text_region)):
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textregion = ET.SubElement(page, 'TextRegion')
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textregion.set('id', counter.next_region_id)
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textregion.set('type', 'paragraph')
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coord_text = ET.SubElement(textregion, 'Coords')
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coord_text.set('points', self.calculate_polygon_coords(found_polygons_text_region[mm], page_coord))
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textregion = TextRegionType(id=counter.next_region_id, type='paragraph',
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Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_text_region[mm], page_coord)),
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TextEquiv=[TextEquivType(index=0, Unicode='')])
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page.add_TextRegion(textregion)
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self.serialize_lines_in_region(textregion, all_found_texline_polygons, mm, page_coord, all_box_coord, slopes, counter)
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add_textequiv(textregion)
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for mm in range(len(found_polygons_marginals)):
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marginal = ET.SubElement(page, 'TextRegion')
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marginal.set('id', counter.next_region_id)
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marginal.set('type', 'marginalia')
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coord_text = ET.SubElement(marginal, 'Coords')
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coord_text.set('points', self.calculate_polygon_coords(found_polygons_marginals[mm], page_coord))
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marginal = TextRegionType(id=counter.next_region_id, type='marginalia',
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Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_marginals[mm], page_coord)))
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page.add_TextRegion(marginal)
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self.serialize_lines_in_marginal(marginal, all_found_texline_polygons_marginals, mm, page_coord, all_box_coord_marginals, slopes_marginals, counter)
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for mm in range(len(found_polygons_text_region_img)):
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textregion = ET.SubElement(page, 'ImageRegion')
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textregion.set('id', counter.next_region_id)
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coord_text = ET.SubElement(textregion, 'Coords')
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img_region = ImageRegionType(id=counter.next_region_id, Coords=CoordsType())
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page.add_ImageRegion(img_region)
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points_co = ''
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for lmm in range(len(found_polygons_text_region_img[mm])):
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points_co += str(int((found_polygons_text_region_img[mm][lmm,0,0] + page_coord[2]) / self.scale_x))
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points_co += ','
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points_co += str(int((found_polygons_text_region_img[mm][lmm,0,1] + page_coord[0]) / self.scale_y))
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points_co += ' '
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coord_text.set('points', points_co[:-1])
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img_region.get_Coords().set_points(points_co[:-1])
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return pcgts
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@ -178,10 +181,9 @@ class EynollahXmlWriter():
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self.logger.debug('enter build_pagexml_full_layout')
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# create the file structure
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pcgts, page = create_page_xml(self.image_filename, self.height_org, self.width_org)
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page_print_sub = ET.SubElement(page, "Border")
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coord_page = ET.SubElement(page_print_sub, "Coords")
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coord_page.set('points', self.calculate_page_coords(cont_page))
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pcgts = create_page_xml(self.image_filename, self.height_org, self.width_org)
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page = pcgts.get_Page()
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page.set_Border(BorderType(Coords=CoordsType(points=self.calculate_page_coords(cont_page))))
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counter = EynollahIdCounter()
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_counter_marginals = EynollahIdCounter(region_idx=len(order_of_texts))
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@ -189,52 +191,37 @@ class EynollahXmlWriter():
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xml_reading_order(page, order_of_texts, id_of_marginalia)
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for mm in range(len(found_polygons_text_region)):
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textregion=ET.SubElement(page, 'TextRegion')
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textregion.set('id', counter.next_region_id)
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textregion.set('type', 'paragraph')
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coord_text = ET.SubElement(textregion, 'Coords')
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coord_text.set('points', self.calculate_polygon_coords(found_polygons_text_region[mm], page_coord))
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textregion = TextRegionType(id=counter.next_region_id, type='paragraph',
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TextEquiv=[TextEquivType(index=0, Unicode='')],
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Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_text_region[mm], page_coord)))
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page.add_TextRegion(textregion)
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self.serialize_lines_in_region(textregion, all_found_texline_polygons, mm, page_coord, all_box_coord, slopes, counter)
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add_textequiv(textregion)
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self.logger.debug('len(found_polygons_text_region_h) %s', len(found_polygons_text_region_h))
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for mm in range(len(found_polygons_text_region_h)):
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textregion=ET.SubElement(page, 'TextRegion')
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textregion.set('id', counter.next_region_id)
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textregion.set('type','header')
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coord_text = ET.SubElement(textregion, 'Coords')
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coord_text.set('points', self.calculate_polygon_coords(found_polygons_text_region_h[mm], page_coord))
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textregion = TextRegionType(id=counter.next_region_id, type='header',
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TextEquiv=[TextEquivType(index=0, Unicode='')],
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Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_text_region_h[mm], page_coord)))
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page.add_TextRegion(textregion)
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self.serialize_lines_in_region(textregion, all_found_texline_polygons_h, mm, page_coord, all_box_coord_h, slopes, counter)
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add_textequiv(textregion)
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for mm in range(len(found_polygons_marginals)):
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marginal = ET.SubElement(page, 'TextRegion')
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add_textequiv(textregion)
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marginal.set('id', counter.next_region_id)
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marginal.set('type', 'marginalia')
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coord_text = ET.SubElement(marginal, 'Coords')
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coord_text.set('points', self.calculate_polygon_coords(found_polygons_marginals[mm], page_coord))
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marginal = TextRegionType(id=counter.next_region_id, type='marginalia',
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TextEquiv=[TextEquivType(index=0, Unicode='')],
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Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_marginals[mm], page_coord)))
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page.add_TextRegion(marginal)
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self.serialize_lines_in_marginal(marginal, all_found_texline_polygons_marginals, mm, page_coord, all_box_coord_marginals, slopes_marginals, counter)
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for mm in range(len(found_polygons_drop_capitals)):
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textregion=ET.SubElement(page, 'TextRegion')
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textregion.set('id', counter.next_region_id)
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textregion.set('type', 'drop-capital')
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coord_text = ET.SubElement(textregion, 'Coords')
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coord_text.set('points', self.calculate_polygon_coords(found_polygons_drop_capitals[mm], page_coord))
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add_textequiv(textregion)
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page.add_TextRegion(TextRegionType(id=counter.next_region_id, type='drop-capital',
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TextEquiv=[TextEquivType(index=0, Unicode='')],
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Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_drop_capitals[mm], page_coord))))
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|
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for mm in range(len(found_polygons_text_region_img)):
|
||||
textregion=ET.SubElement(page, 'ImageRegion')
|
||||
textregion.set('id', counter.next_region_id)
|
||||
coord_text = ET.SubElement(textregion, 'Coords')
|
||||
coord_text.set('points', self.calculate_polygon_coords(found_polygons_text_region_img[mm], page_coord))
|
||||
page.add_ImageRegion(ImageRegionType(id=counter.next_region_id, Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_text_region_img[mm], page_coord))))
|
||||
|
||||
for mm in range(len(found_polygons_tables)):
|
||||
textregion = ET.SubElement(page, 'TableRegion')
|
||||
textregion.set('id', counter.next_region_id)
|
||||
coord_text = ET.SubElement(textregion, 'Coords')
|
||||
coord_text.set('points', self.calculate_polygon_coords(found_polygons_tables[mm], page_coord))
|
||||
page.add_TableRegion(TableRegionType(id=counter.next_region_id, Coords=CoordsType(points=self.calculate_polygon_coords(found_polygons_tables[mm], page_coord))))
|
||||
|
||||
return pcgts
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,14 @@
|
|||
from lxml import etree as ET
|
||||
from qurator.eynollah.utils.xml import create_page_xml, NAMESPACES
|
||||
from pytest import main
|
||||
from qurator.eynollah.utils.xml import create_page_xml
|
||||
from ocrd_models.ocrd_page import to_xml
|
||||
|
||||
def tostring(el):
|
||||
return ET.tostring(el).decode('utf-8')
|
||||
PAGE_2019 = 'http://schema.primaresearch.org/PAGE/gts/pagecontent/2019-07-15'
|
||||
|
||||
def test_create_xml():
|
||||
pcgts, page = create_page_xml('/path/to/img.tif', 100, 100)
|
||||
xmlstr = tostring(pcgts)
|
||||
assert 'xmlns="%s"' % NAMESPACES[None] in xmlstr
|
||||
pcgts = create_page_xml('/path/to/img.tif', 100, 100)
|
||||
xmlstr = to_xml(pcgts)
|
||||
assert 'xmlns:pc="%s"' % PAGE_2019 in xmlstr
|
||||
assert 'Metadata' in xmlstr
|
||||
|
||||
if __name__ == '__main__':
|
||||
main([__file__])
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue