65 lines
2.3 KiB
Python
65 lines
2.3 KiB
Python
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import subprocess
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import tempfile
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from io import BytesIO
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from pathlib import Path
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from pypdf import PdfWriter, PdfReader
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from django.utils.text import slugify
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from aemo.pdf import BasePDF, BilanPdf, EvaluationPdf, MessagePdf, RapportPdf, JournalPdf
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class ArchiveBase(BasePDF):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.merger = PdfWriter()
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def get_filename(self):
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return f"{slugify(self.instance.nom)}-{self.instance.pk}.pdf"
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def append_pdf(self, PDFClass, obj):
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temp = BytesIO()
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pdf = PDFClass(temp, obj)
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pdf.produce()
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self.merger.append(temp)
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def append_other_docs(self, documents):
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msg = []
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for doc in documents:
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doc_path = Path(doc.fichier.path)
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if not doc_path.exists():
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msg.append(f"Le fichier «{doc.titre}» n'existe pas!")
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continue
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if doc_path.suffix.lower() == '.pdf':
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self.merger.append(PdfReader(str(doc_path)))
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elif doc_path.suffix.lower() in ['.doc', '.docx']:
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with tempfile.TemporaryDirectory() as tmpdir:
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cmd = ['libreoffice', '--headless', '--convert-to', 'pdf', '--outdir', tmpdir, doc_path]
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subprocess.run(cmd, capture_output=True)
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converted_path = Path(tmpdir) / f'{doc_path.stem}.pdf'
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if converted_path.exists():
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self.merger.append(PdfReader(str(converted_path)))
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else:
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msg.append(f"La conversion du fichier «{doc.titre}» a échoué")
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elif doc_path.suffix.lower() == '.msg':
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self.append_pdf(MessagePdf, doc)
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else:
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msg.append(f"Le format du fichier «{doc.titre}» ne peut pas être intégré.")
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return msg
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class ArchivePdf(ArchiveBase):
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title = "Archive"
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def produce(self):
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famille = self.instance
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self.append_pdf(EvaluationPdf, famille)
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self.append_pdf(JournalPdf, famille)
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for bilan in famille.bilans.all():
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self.append_pdf(BilanPdf, bilan)
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for rapport in famille.rapports.all():
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self.append_pdf(RapportPdf, rapport)
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msg = self.append_other_docs(famille.documents.all())
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self.merger.write(self.doc.filename)
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return msg
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