The Complete Production SOP: How to Deploy and Run ReportLab Flowable PDF Engine in Autonomous AI Agents

---
name: "reportlab-flowable-pdf-generator"
description: "Generate programmatic, publication-ready PDF documents using ReportLab Platypus."
metadata:
  author: "ReportLab"
  version: "1.0.0"
  runtime_compatibility:
    - "codex"
    - "claude-code"
    - "cursor"
    - "windsurf"
triggers:
  - "generate pdf invoice reportlab"
  - "create flowable table reportlab"
  - "style reportlab paragraph"
permissions:
  fs_read: true
  fs_write: "workspace"
  shell_exec: false
  net_access: false
---

from reportlab.lib.pagesizes import letter
from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib import colors
from reportlab.pdfgen import canvas

class NumberedCanvas(canvas.Canvas):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self._saved_page_states = []

    def showPage(self):
        self._saved_page_states.append(dict(self.__dict__))
        self._startPage()

    def save(self):
        num_pages = len(self._saved_page_states)
        for state in self._saved_page_states:
            self.__dict__.update(state)
            self.draw_page_number(num_pages)
            super().showPage()
        super().save()

    def draw_page_number(self, page_count):
        self.saveState()
        self.setFont("Helvetica", 9)
        self.setFillColor(colors.HexColor("#666666"))
        page_text = f"Page {self._pageNumber} of {page_count}"
        self.drawRightString(612 - 54, 36, page_text)
        self.restoreState()