Create ppx_builder.py

modules/ppx_builder.py

@@ -0,0 +1,185 @@
+import io
+from typing import List, Tuple, Dict, Any, Optional
+from pptx import Presentation
+from pptx.util import Inches, Pt
+from pptx.enum.text import PP_ALIGN
+from pptx.dml.color import RGBColor
+from pptx.enum.shapes import MSO_AUTO_SHAPE_TYPE
+from pptx.enum.dml import MSO_THEME_COLOR
+from PIL import Image
+import matplotlib.pyplot as plt
+
+def _add_logo(slide, logo_bytes: Optional[bytes]):
+    if not logo_bytes:
+        return
+    img = Image.open(io.BytesIO(logo_bytes)).convert("RGBA")
+    w, h = img.size
+    ratio = min(max_w/ w, max_h/h)
+    new_size = (int(w * ratio), int(h * ratio))
+    resized = img.resize(new_size)
+    b = io.BytesIO()
+    resized.save(b, format="PNG")
+    b.seek(0)
+    # Place top-right with small margin
+    left = slide.width - Inches(0.5) - max_w
+    top = Inches(0.2)
+    slide.shapes.add_picture(b,left, top)
+
+def _apply_theme_bg(slide, rgb):
+    fill = slide.background.fill
+    fill.solid()
+    fill.fore_color.rgb = RGBColor(*rgb)
+
+def _title_slide(prs, title_text: str, theme_bg, logo_bytes):
+    slide_layout = prs.slide_layouts[0]  # Title Slide layout
+    slide = prs.slides.add_slide(slide_layout)
+    subtitle = slide.placeholders[1]
+    title.text = title_text
+    subtitle.text = "自動生成プレゼンテーション"
+    # Accent band
+    _apply_theme_bg(slide, theme_rgb)
+    # Put a white rouded rectangle for title readability
+    left = Inches(0.6)
+    top = Inches(1.8)
+    width = prs.slide_width - Inches(1.2)
+    height = Inches(2.2)
+    box = slide.shapes.add_shape(
+        MSO_AUTO_SHAPE_TYPE.ROUNDED_RECTANGLE, left, top, width, height
+    )
+    box.fill.solid()
+    box.fill.fore_color.rgb = RGBColor(255, 255, 255)
+    box.line.color.rgb = RGBColor(0, 0, 0)
+    box.line.transparency = 0.8
+    # Reposition title inside box
+    title.left = left + Inches(0.3)
+    title.top = top + Inches(0.3)
+    title.width = width - Inches(0.6)
+    title.height = Inches(1.4)
+    for p in title.text_frame.paragraphs:
+        p.font.size = Pt(40)
+        p.font.bold = True
+    # Subtitle
+    subtitle.left = left + Inches(0.3)
+    subtitle.top = top + Inches(1.6)
+    subtitle.width = width - Inches(0.6)
+    subtitle.height = Inches(0.8)
+    for p in subtitle.text_frame.paragraphs:
+        p.font.size = Pt(16)
+        p.font.bild = False
+    _add_logo(slide, logo_bytes)
+
+def _summary_slide(prs, summary: str)
+    if not summary:
+        return
+    slide = prs.slides.add_slide(prs.slide_layouts[1])  # Title and Content
+    slide.shapes.title.text = "エグゼクティブサマリー"
+    tf = slide.placeholders[1].text_frame
+    tf.clear()
+    # Split summary into bullet-ish lines
+    lines = [ln.strip() for ln in summary.splitlines() if ln.strip()]
+    if not lines:
+        lines = [summary]
+    for i, line in enumerate(lines):
+        p = tf.add_paragraph() if i > 0 else tf.paragraphs[0]
+        p.text = ln
+        p.level = 0
+
+def _section_slide(prs, title: str, bullets: List[str]):
+    slide = prs.slides.add_slide(prs.slide_layouts[1]) 
+    slide.shapes.title.text = title[:90]
+    tf = slide.placeholders[1].text_frame
+    tf.clear()
+    if not bullets:
+        bullets = ["(要点なし)"]
+    for i, b in enumerate(bullets[:12]):
+        p = tf.add_paragraph() if i > 0 else tf.paragraphs[0]
+        p.text = b
+        p.level = 0
+
+def _table_slide(prs, titile: str, pairs: List[tuple]):
+    slide = prs.slides.add_slide(prs.slide_layouts[5])  # Title and Content
+    slide.shapes.title.text = title
+    rows = len(pairs) + 1
+    cols = 2
+    left = Inches(0.5)
+    top = Inches(1.8)
+    width = prs.slide_width - Inches(1.0)
+    height = prs.slide_height - top - Inches(2.6)
+    table = slide.shapes.add_table(rows, cols, left, top, width, height).table
+    table.cell(0, 0).text = "項目"
+    table.cell(0, 1).text = "値"
+    for r, (k, v) in enumerate(pairs, start=1):
+        table.cell(r, 0).text = str(k)
+        table.cell(r, 1).text = str(v)
+
+def _chart_slide(prs, title: str, series: List[tuple]):
+    slide = prs.slides.add_slide(prs.slide_layouts[5])  # Title Only
+    slide.shapes.title.text = title
+    # Build bar chart via matplotlib and embed as image
+    labels = [x[0] for x in series]
+    values = [x[1] for x in series]
+    fig = plt.figure(figsize=(6,4.5))
+    plt.bar(range(len(values)), labels, rotation=20, ha='right')
+    plt.tight_layout()
+    buf = io.BytesIO()
+    fig.savefig(buf, format='png', dpi=200)
+    plt.close(fig)
+    buf.seek(0)
+    left = Inches(1.6)
+    width = prs.slide_width - Inches(1.0)
+    height = prs.slide_height - Inches(2.2)
+    slide.shapes.add_picture(buf, left, top, width=width, height=height)
+
+def _add_footer(prs, theme_tgb):
+    for slide in prs.slides:
+        left = Inches(0.3)
+        top = prs.slide_height - Inches(0.4)
+        width = prs.slide_width - Inches(0.6)
+        height = Inches(0.3)
+        shp = slide.shapes.add_shape(
+            MSO_AUTO_SHAPE_TYPE.RECTANGLE, left, top, width, height
+        )
+        shp.fill.solid()
+        shp.fill.fore_color.rgb = RGBColor(*theme_rgb)
+        shp.line.fill.background()
+        # Slide number text boxz
+        tx = slide.shapes.add_textbox(prs.slide_width - Inches(1.0), top, Inches(0.05), Inches(0.8), Inches(0.3))
+        tf = tx.text_frame
+        p = tf.paragraphs[0]
+        p.text = f"Slide {slide.slide_id % 10000}"
+        p.font.size = Pt(10)
+        p.alignment = PP_ALIGN.RIGHT
+
+def build_presentation(out_path:str,
+                       title: str,
+                       theme_rgb: tuple
+                       logo_bytes: Optional[bytes],
+                       executive_summary: Optional[str],
+                       sections: List[Tuple[str, str]],
+                       bullets_by_section: Dict[str, List[str]],
+                       tables: List[Dict[str, Any]],
+                       charts: List[Dict[str, Any]]):
+prs = Presentation()
+
+# Title slide
+_title_slide(prs, title, theme_rgb, logo_bytes)
+
+# Summary
+_summary_slide(prs, executive_summary)
+
+# Sections
+for idx,(sec_title, _body) in enumerate(sections):
+    bullets = bullets_by_section.get(sec_title, [])
+    _section_slide(prs, sec_title, bullets)
+
+# Tables
+for tbl in tables:
+    _table_slide(prs, tbl.get("title", "表"), tbl.get("pairs", []))
+
+# Charts
+for ch in charts:
+    _chart_slide(prs, ch.get("title", "チャート"), ch.get("series", []))
+
+_add_footer(prs, theme_rgb)
+
+prs.save(out_path)