46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
"""
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Fabrique à documents
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Copyright (C) 2023 François Pelletier
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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import os
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from wand.color import Color
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from wand.image import Image
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def convert_pdf(filename, filetype, output_path, resolution=300):
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""" Convert a PDF into images.
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All the pages will give a single png file with format:
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{pdf_filename}-{page_number}.png
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The function removes the alpha channel from the image and
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replace it with a white background.
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"""
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all_pages = Image(filename=filename, resolution=resolution)
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for i, page in enumerate(all_pages.sequence):
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with Image(page) as img:
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img.format = filetype
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img.background_color = Color('white')
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img.alpha_channel = 'remove'
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image_filename = os.path.splitext(os.path.basename(filename))[0]
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image_filename = f'{image_filename}-{i:03}.{filetype}'
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image_filename = os.path.join(output_path, image_filename)
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img.save(filename=image_filename)
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