add generation_pdf pdf , fix 500 error , install reportlab
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Shaxobff
138
core/utils/generation_pdf.py
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138
core/utils/generation_pdf.py
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# services.py
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from io import BytesIO
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from reportlab.lib import colors
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from reportlab.lib.enums import TA_RIGHT, TA_CENTER
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from reportlab.lib.pagesizes import A4
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from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
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from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph, Spacer
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class PDFService:
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@staticmethod
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def generate_vehicle_pdf(data):
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buffer = BytesIO()
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doc = SimpleDocTemplate(
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buffer, pagesize=A4,
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rightMargin=40, leftMargin=40,
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topMargin=40, bottomMargin=40
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)
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styles = getSampleStyleSheet()
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cell_style = ParagraphStyle(
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'CellStyle', parent=styles['Normal'],
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fontSize=9, leading=11
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)
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cell_style_bold = ParagraphStyle(
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'CellStyleBold', parent=cell_style,
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fontName='Helvetica-Bold',
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textColor=colors.red
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)
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header_style = ParagraphStyle(
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'HeaderStyle', parent=styles['Normal'],
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alignment=TA_RIGHT, fontSize=10, leading=12
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)
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title_style = ParagraphStyle(
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'TitleStyle', parent=styles['Normal'],
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alignment=TA_CENTER, fontSize=14, leading=16
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)
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elements = []
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header_text = (
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f'<b>"Sifat baholash" MChJ direktori<br/>'
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f"T.R.To'rayevga</b><br/><br/>"
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f"{data.get('address', '')}<br/>"
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f"ro'yxatda turuvchi fuqaro<br/>"
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f"<u>{data.get('person_name', '')}</u> tomonidan<br/>"
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f"<u>Avtotransport vositasini baholash uchun</u>"
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)
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elements.append(Paragraph(header_text, header_style))
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elements.append(Spacer(1, 25))
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elements.append(Paragraph("<b>A R I Z A</b>", title_style))
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elements.append(Spacer(1, 10))
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elements.append(Paragraph(
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"Ushbu orqali quyidagi avtotransport vositasini baholab berishingizni so'rayman:",
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cell_style
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))
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elements.append(Spacer(1, 10))
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date_created = data.get('date_created')
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year_str = str(date_created.year) + " yil" if date_created else ""
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tec_date = data.get('tec_passport_date')
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tec_date_str = tec_date.strftime('%d.%m.%Y yil') if tec_date else ""
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raw_data = [
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["Mulk egasi", data.get('property_owner', '')],
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["Manzil", data.get('address', '')],
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["Marka", data.get('marka', '')],
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["Model", data.get('model', '')],
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["Komplektatsiya", data.get('configuration', '')],
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["Davlat raqami", data.get('auto_number', '')],
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["Ishlab chiqarilgan yili", year_str],
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["Bosib o'tgan masofasi", f"{data.get('mileage', 0):,}".replace(',', ' ')],
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["№ kuzov (VIN)", data.get('vehicle_identification', '')],
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["№ dvigatel", data.get('engine_number', '')],
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["Rang", data.get('colour', '')],
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["Texnik passport seriyasi", data.get('registration_certificate_series', '')],
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["Texnik passport raqami", data.get('tec_passport_number', '')],
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["Texnik passport berilgan sanasi", tec_date_str],
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["Texnik passport berilgan joyi", data.get('tec_passport_place', '')],
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["Kuzov turi", data.get('body_type', '')],
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["Shassi", data.get('chassis', '')],
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["Davlat belgisi (plate)", data.get('plate', '')], # ← was missing
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]
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table_data = [
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[Paragraph(row[0], cell_style), Paragraph(str(row[1]), cell_style_bold)]
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for row in raw_data
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]
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table = Table(table_data, colWidths=[170, 345])
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table.setStyle(TableStyle([
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('GRID', (0, 0), (-1, -1), 0.5, colors.black),
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('VALIGN', (0, 0), (-1, -1), 'TOP'),
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('LEFTPADDING', (0, 0), (-1, -1), 6),
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('TOPPADDING', (0, 0), (-1, -1), 4),
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('BOTTOMPADDING', (0, 0), (-1, -1), 4),
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]))
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elements.append(table)
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elements.append(Spacer(1, 15))
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elements.append(Paragraph("<b>Baholash maqsadi:</b>", cell_style))
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purpose_raw = [
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["Aniqlanayotgan qiymat turi", data.get('value_type', '')],
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["Baholash maqsadi", data.get('evaluation_purpose', '')],
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]
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purpose_data = [
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[Paragraph(r[0], cell_style), Paragraph(str(r[1]), cell_style_bold)]
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for r in purpose_raw
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]
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pt = Table(purpose_data, colWidths=[170, 345])
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pt.setStyle(TableStyle([
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('GRID', (0, 0), (-1, -1), 0.5, colors.black),
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('VALIGN', (0, 0), (-1, -1), 'TOP'),
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]))
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elements.append(pt)
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elements.append(Spacer(1, 15))
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elements.append(Paragraph("<b>Buyurtmachi rekvizitlari:</b>", cell_style))
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footer_raw = [
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["Shaxsiy raqam (PINFL)", str(data.get('personal_id_number', ''))],
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["ID karta raqami", data.get('id_number', '')],
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]
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footer_data = [
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[Paragraph(f[0], cell_style), Paragraph(str(f[1]), cell_style_bold)]
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for f in footer_raw
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]
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ft = Table(footer_data, colWidths=[170, 345])
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ft.setStyle(TableStyle([
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('GRID', (0, 0), (-1, -1), 0.5, colors.black),
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('VALIGN', (0, 0), (-1, -1), 'TOP'),
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]))
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elements.append(ft)
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doc.build(elements)
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buffer.seek(0)
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return buffer
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