images

.github/common/convert-to-pptx.py

@@ -0,0 +1,132 @@
+import base64
+import io
+import nbformat as nbf
+from glob import glob
+from pptx import Presentation
+from pptx.util import Inches, Pt
+from pptx.dml.color import RGBColor
+from pptx.enum.text import PP_ALIGN, MSO_AUTO_SIZE
+from pptx.enum.dml import MSO_THEME_COLOR
+from pptx.enum.shapes import MSO_AUTO_SHAPE_TYPE, PP_PLACEHOLDER
+from PIL import UnidentifiedImageError
+from IPython.lib.latextools import latex_to_png
+
+# Collect a list of all notebooks in the content folder
+notebooks = glob("ToegepasteAnalogeElektronica/*.ipynb", recursive=True)
+notebooks+= glob("AnalogeElektronica2/*.ipynb", recursive=True)
+notebooks+= glob("AnalogDesignTechniques/*.ipynb", recursive=True)
+
+def find_between( s, first, last ):
+    try:
+        start = s.index( first )
+        end = s.index( last, start+len(first) )+len(last)
+        return s[start:end]
+    except ValueError:
+        return ""
+
+def maketitle(cell,slide):
+    st = cell.metadata.KULeuvenSlides["slide_title"]
+    slide.shapes.title.text=st.replace("<BR>","\n")
+    if "<BR>" in st:
+        slide.shapes.title.text_frame.paragraphs[0].font.size = Pt(20)
+        slide.shapes.title.text_frame.paragraphs[1].font.size = Pt(20)
+    elif len(st)>70:
+       slide.shapes.title.text_frame.paragraphs[0].font.size = Pt(20)
+    elif len(st)>60:
+       slide.shapes.title.text_frame.paragraphs[0].font.size = Pt(24)
+    elif len(st)>50:
+       slide.shapes.title.text_frame.paragraphs[0].font.size = Pt(28)
+    elif len(st)>40:
+       slide.shapes.title.text_frame.paragraphs[0].font.size = Pt(32)
+
+for ipath in notebooks:
+    print("file om te zetten: ",ipath)
+    ntbk = nbf.read(ipath, nbf.NO_CONVERT)
+    prs = Presentation("./.github/common/KULeuventemplate.pptx")
+    slide = prs.slides.add_slide(prs.slide_layouts[0])
+    if "title" in ntbk.metadata.get('KULeuvenSlides', {}):
+        title_shape = slide.shapes.title
+        title_shape.text = ntbk.metadata.KULeuvenSlides["title"].replace("<BR>","\n")
+        #title_shape.text_frame.paragraphs[0].font.size = Pt(44)
+        #title_shape.text_frame.paragraphs[0].font.bold = True
+        #title_shape.text_frame.paragraphs[0].font.color.rgb = RGBColor(255, 255, 255)  # White text
+        #title_shape.text_frame.paragraphs[0].alignment = PP_ALIGN.CENTER
+    if "subtitle" in ntbk.metadata.get('KULeuvenSlides', {}):
+        for shape in slide.placeholders:
+            if shape.placeholder_format.type == PP_PLACEHOLDER.SUBTITLE:
+                subtitle_placeholder = shape
+                break
+        subtitle_placeholder.text = ntbk.metadata.KULeuvenSlides["subtitle"].replace("<BR>","\n")
+        #subtitle_placeholder.text_frame.paragraphs[0].font.size = Pt(24)
+        #subtitle_placeholder.text_frame.paragraphs[0].font.color.rgb = (RGBColor(255, 255, 255))  # White text
+        #subtitle_placeholder.text_frame.paragraphs[0].alignment = (PP_ALIGN.CENTER)
+    if "authors" in ntbk.metadata.get('KULeuvenSlides', {}):
+        txBox = slide.shapes.add_textbox(Inches(5),Inches(4), Inches(2),Inches(0.5))  #left, top, width, height
+        tf = txBox.text_frame
+        tf.text = ntbk.metadata.KULeuvenSlides["authors"]
+        #tf.paragraphs[0].font.size = Pt(24)
+        #tf.paragraphs[0].font.color.rgb = RGBColor(255, 255, 255)
+        #tf.paragraphs[0].alignment = PP_ALIGN.CENTER        
+    if "date" in ntbk.metadata.get('KULeuvenSlides', {}):
+        txBox = slide.shapes.add_textbox(Inches(5),Inches(5), Inches(2),Inches(0.5))  #left, top, width, height
+        tf = txBox.text_frame
+        tf.text = ntbk.metadata.KULeuvenSlides["date"]
+        #tf.paragraphs[0].font.size = Pt(24)
+        #tf.paragraphs[0].font.color.rgb = RGBColor(255, 255, 255)
+        #tf.paragraphs[0].alignment = PP_ALIGN.CENTER
+
+    for index,cell in enumerate(ntbk.cells):
+        if "code" in cell.get('cell_type', {}) and not("remove_cell4pptx" in cell.metadata.get('tags', {})):
+            if "slide_type" in cell.metadata.get('slideshow', {}):
+                if  cell.metadata.slideshow.get("slide_type", ())=="slide":
+                   for output_idx, output in enumerate(cell.get("outputs", ())):
+                        for content_type, content in output.get("data", {}).items():                           
+                            if content_type.startswith("image/png"):
+                                slide = prs.slides.add_slide(prs.slide_layouts[6])
+                                if "KULeuvenSlides" in cell.get('metadata', {}):
+                                    if "slide_title" in cell.metadata.get('KULeuvenSlides', {}):
+                                        maketitle(cell,slide)                                 
+                                image_stream = io.BytesIO(base64.b64decode(output.data[content_type]))
+                                try:
+                                    pictp=slide.shapes.add_picture(image_stream, Inches(1), Inches(1.29), height=Inches(5.5)) 
+                                    if pictp.width>prs.slide_width:
+                                        pictp.width=prs.slide_width
+                                        pictp.left=Inches(0)
+                                    else:
+                                        pictp.left=(prs.slide_width-pictp.width)//2
+                                except UnidentifiedImageError:
+                                    print("  "+content_type+"  error for cell number "+str(index))
+                            #elif content_type.startswith("image/")::
+                                #print("  "+content_type+"  error for cell number "+str(index))
+                            #else:
+                                #print("  "+content_type+"  error for cell number "+str(index))
+
+        if "markdown" in cell.get('cell_type', {}) and not("remove_cell4pptx" in cell.metadata.get('tags', {})):
+            if "slide_type" in cell.metadata.get('slideshow', {}):
+                if  cell.metadata.slideshow.get("slide_type", ())=="slide":
+                    slide = prs.slides.add_slide(prs.slide_layouts[6])
+                    latexheight=Inches(1.28)
+                    if "KULeuvenSlides" in cell.get('metadata', {}):
+                        if "slide_title" in cell.metadata.get('KULeuvenSlides', {}):
+                            maketitle(cell,slide)
+                        if "eq_vertical" in cell.metadata.get('KULeuvenSlides', {}):
+                            latexheight+=Inches(cell.metadata.KULeuvenSlides["eq_vertical"])
+                if  cell.metadata.slideshow.get("slide_type", ())=="slide" or cell.metadata.slideshow.get("slide_type", ())=="fragment": 
+                    latexpng=find_between( "".join(cell.get('source', {})) , "$$", "$$" )
+                    latexpng2=find_between( "".join(cell.get('source', {})) , "\begin{equation}", "\end{equation}" )
+                    if len(latexpng2)>0:
+                        latexpng=latexpng2
+                    if len(latexpng)>0:
+                        try:
+                            pictp=slide.shapes.add_picture(io.BytesIO(latex_to_png(latexpng,backend="dvipng",scale=2)), Inches(1),latexheight) 
+                            if pictp.width>prs.slide_width:
+                                pictp.width=prs.slide_width
+                                pictp.left=Inches(0)
+                            else:
+                                pictp.left=(prs.slide_width-pictp.width)//2
+                            latexheight+=pictp.height+Inches(0.3)
+                        except UnidentifiedImageError:
+                            print("   latex error for cell number "+str(index))
+
+    slide = prs.slides.add_slide(prs.slide_layouts[9])
+    prs.save(ipath+".pptx")

AnalogeElektronica2/KlasseB_vb1.ipynb

@@ -276,7 +276,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.13"
+   "version": "3.10.15"
   },
   "toc": {
    "base_numbering": 1