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48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
# Copyright 2015-2021 Akretion France
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# @author: Alexis de Lattre <alexis.delattre@akretion.com>
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# Copyright 2022 Camptocamp SA
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# @author: Simone Orsi <simahawk@gmail.com>
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# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
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import logging
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from io import BytesIO
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from struct import error as StructError
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from lxml import etree
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try:
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from PyPDF2.errors import PdfReadError
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except ImportError:
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from PyPDF2.utils import PdfReadError
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from odoo.tools.pdf import OdooPdfFileReader
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_logger = logging.getLogger(__name__)
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class PDFParser:
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def __init__(self, pdf_file):
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self.pdf_file = pdf_file
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def get_xml_files(self):
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"""Parse PDF files to extract XML content.
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:param pdf_file: binary PDF file content
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:returns: a dict like {$filename: $parsed_xml_file_obj}.
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"""
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res = {}
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with BytesIO(self.pdf_file) as buffer:
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pdf_reader = OdooPdfFileReader(buffer, strict=False)
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# Process embedded files.
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for xml_name, content in pdf_reader.getAttachments():
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try:
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res[xml_name] = etree.fromstring(content)
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except Exception:
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_logger.debug("Non XML file found in PDF")
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if res:
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_logger.debug("Valid XML files found in PDF: %s", list(res.keys()))
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return res
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def get_xml_files_swallable_exceptions(self):
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return (NotImplementedError, StructError, PdfReadError)
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