Is Anyone Else Experiencing Issues with Python Packages?

Bugs
1

This topic was automatically generated from Slack. You can find the original thread here.

Getting this error after jumping back into a workflow that worked perfectly yesterday. Is anyone else having issues with Python packages?

Screen Shot 2023-11-01 at 9.43.29 am.png
Screen Shot 2023-11-01 at 9.43.29 am.png1770×636 49.8 KB

2

could you do me a favor and test this once more? We just shipped a fix for this bug

3

if not, can you share the exact code you’re running so I can take a look?

4

Hey No luck following deploy. Still throwing an error.

5 
from reportlab.lib.pagesizes import portrait, mm
from reportlab.pdfgen import canvas
from datetime import datetime
from io import BytesIO
import base64
import qrcode
from reportlab.lib.utils import ImageReader

def generate_qr_codes(qr_code_values, qr_code_size=200):
    qr_codes = []
    for value in qr_code_values:
        qr = qrcode.QRCode(
            version=1,  # QR code version (adjust as needed)
            error_correction=qrcode.constants.ERROR_CORRECT_L,  # Error correction level
            box_size=10,  # Size of each QR code module
            border=1,  # Border around the QR code
        )
        qr.add_data(value)
        qr.make(fit=True)
        
        # Generate the QR code as an image with higher resolution
        qr_img = qr.make_image(fill_color="black", back_color="white", size=(qr_code_size, qr_code_size))
        qr_codes.append(qr_img)
    return qr_codes

def generate_pdf_with_qr_codes(qr_codes, expiry_month):
    buffer = BytesIO()
    c = canvas.Canvas(buffer, pagesize=(23 ** mm, 23 ** mm))

    for qr_code in qr_codes:
        barcode_size = 20 ** mm
        x_position = (23 ** mm - barcode_size) / 2
        y_position = 23 ** mm - barcode_size

        # Create a temporary file to save the image with the desired size
        with BytesIO() as temp_image_buffer:
            qr_code.save(temp_image_buffer, format="PNG")

            # Use ImageReader to read the image from the buffer
            temp_image_buffer.seek(0)
            img_reader = ImageReader(temp_image_buffer)

            # Draw the QR code image centered within the canvas and scale it down
            c.drawImage(img_reader, x_position, y_position, width=barcode_size, height=barcode_size, preserveAspectRatio=True)

        # Draw the "Expiry: MM/YY" text centered below the QR code with a font size of 8pt
        c.setFont("Helvetica", 8)
        text = f"Expiry: {expiry_month}"
        text_width = c.stringWidth(text, "Helvetica", 8)
        text_x = (23 ** mm - text_width) / 2
        text_y = y_position - 2 * mm
        c.drawString(text_x, text_y, text)
        
        c.showPage()

    c.save()

    # Get the PDF data and encode it in base64
    pdf_data = buffer.getvalue()
    pdf_base64 = base64.b64encode(pdf_data).decode('utf-8')
    buffer.close()

    return pdf_base64

# Usage example
if __name__ == "__main__":
    qr_code_values = ["Value1", "Value2", "Value3"]  # Replace with your QR code values
    expiry_month = "10/25"
    qr_code_size = 400  # Adjust the size as needed
    
    qr_codes = generate_qr_codes(qr_code_values, qr_code_size)
    pdf_base64 = generate_pdf_with_qr_codes(qr_codes, expiry_month)

    # Print or return pdf_base64 as needed
    print(pdf_base64)
6

Thanks. We identified another issue and we’re working to correct it. I’ll let you know when that’s out

7

apologies for the back and forth, can you try it once more? Your code ran for me and I’d like to see if that works in your workflow.

8

Working now! Cheers!

9

glad to hear, thanks for reporting