ai-agentdev/generate_lessons_pdf.py at master · Billeclipse/ai-agentdev · GitHub

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from pathlib import Path

from reportlab.lib.colors import HexColor
from reportlab.lib.pagesizes import LETTER
from reportlab.lib.styles import ParagraphStyle, getSampleStyleSheet
from reportlab.lib.units import inch
from reportlab.platypus import Paragraph, SimpleDocTemplate, Spacer

from lesson_notes import LESSONS


def build_pdf(output_path: Path) -> None:
    output_path.parent.mkdir(parents=True, exist_ok=True)

    styles = getSampleStyleSheet()
    title_style = styles["Title"]
    title_style.textColor = HexColor("#0F172A")

    intro_style = ParagraphStyle(
        "Intro",
        parent=styles["BodyText"],
        fontSize=11,
        leading=16,
        textColor=HexColor("#334155"),
        spaceAfter=16,
    )
    lesson_title_style = ParagraphStyle(
        "LessonTitle",
        parent=styles["Heading2"],
        fontSize=14,
        leading=18,
        textColor=HexColor("#0F172A"),
        spaceAfter=6,
    )
    body_style = ParagraphStyle(
        "LessonBody",
        parent=styles["BodyText"],
        fontSize=11,
        leading=16,
        textColor=HexColor("#1E293B"),
        spaceAfter=12,
    )

    story = [
        Paragraph("AI Agent Course Notes", title_style),
        Spacer(1, 0.15 * inch),
        Paragraph(
            "This running summary captures each completed lesson in the toy AI agent project. "
            "Each section records the practical change made in the repository and why it matters "
            "for the agent we are building step by step.",
            intro_style,
        ),
    ]

    for index, lesson in enumerate(LESSONS, start=1):
        story.append(Paragraph(f"{index}. {lesson['title']}", lesson_title_style))
        story.append(Paragraph(lesson["summary"], body_style))

    def draw_page_number(canvas_obj, doc_obj):
        canvas_obj.saveState()
        canvas_obj.setFillColor(HexColor("#64748B"))
        canvas_obj.setFont("Helvetica", 9)
        footer_text = f"Page {doc_obj.page}"
        canvas_obj.drawCentredString(LETTER[0] / 2.0, 0.45 * inch, footer_text)
        canvas_obj.restoreState()

    doc = SimpleDocTemplate(
        str(output_path),
        pagesize=LETTER,
        leftMargin=0.8 * inch,
        rightMargin=0.8 * inch,
        topMargin=0.8 * inch,
        bottomMargin=0.8 * inch,
        title="AI Agent Course Notes",
        author="Codex",
    )
    doc.build(story, onFirstPage=draw_page_number, onLaterPages=draw_page_number)


def main() -> None:
    build_pdf(Path("output/pdf/ai-agent-lessons.pdf"))


if __name__ == "__main__":
    main()