python pptx notes slide

notes-slide.py

"""
Example of accessing the notes slides of a presentation.
Requires python-pptx 0.5.6 or later.

ryan@ryanday.net
"""

from pptx.util import lazyproperty, Pt
from pptx.parts.slide import BaseSlide, Slide, _SlideShapeTree, _SlidePlaceholders
from pptx.shapes.shape import BaseShape
from pptx.opc.constants import RELATIONSHIP_TYPE as RT, CONTENT_TYPE as CT
from pptx.enum.shapes import MSO_SHAPE_TYPE, PP_PLACEHOLDER_TYPE
from pptx.oxml.xmlchemy import BaseOxmlElement, OneAndOnlyOne, ZeroOrOne
from pptx.oxml import parse_xml
from pptx.oxml.ns import nsdecls
from pptx.opc.constants import CONTENT_TYPE as CT
from pptx.oxml import register_element_cls
from pptx import content_type_to_part_class_map
from pptx.opc.package import PartFactory


"""
http://msdn.microsoft.com/en-us/library/office/gg278319%28v=office.15%29.aspx
"""


class CT_NotesSlide(BaseOxmlElement):
    """
    ``<p:notes>`` element, root of a notesSlide part
    """
    cSld = OneAndOnlyOne('p:cSld')
    clrMapOvr = ZeroOrOne('p:clrMapOvr', successors=(
        'p:transition', 'p:timing', 'p:extLst'
    ))

    @classmethod
    def new(cls):
        """
        Return a new ``<p:notes>`` element configured as a base slide shape.
        """
        return parse_xml(cls._notes_xml())

    @staticmethod
    def _notes_xml():
        """From http://msdn.microsoft.com/en-us/library/office/gg278319%28v=office.15%29.aspx#sectionSection4
        """
        return (
           '<p:notes %s>\n'
           '   <p:cSld>\n'
           '     <p:spTree>\n'
           '       <p:nvGrpSpPr>\n'
           '         <p:cNvPr id="1"\n'
           '                  name="" />\n'
           '         <p:cNvGrpSpPr />\n'
           '         <p:nvPr />\n'
           '       </p:nvGrpSpPr>\n'
           '       <p:grpSpPr>\n'
           '         <a:xfrm xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" />\n'
           '       </p:grpSpPr>\n'
           '       <p:sp>\n'
           '         <p:nvSpPr>\n'
           '           <p:cNvPr id="2"\n'
           '                    name="" />\n'
           '           <p:cNvSpPr>\n'
           '             <a:spLocks noGrp="1"\n'
           '                        xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" />\n'
           '           </p:cNvSpPr>\n'
           '           <p:nvPr>\n'
           '             <p:ph />\n'
           '           </p:nvPr>\n'
           '         </p:nvSpPr>\n'
           '         <p:spPr />\n'
           '         <p:txBody>\n'
           '           <a:bodyPr xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" />\n'
           '           <a:lstStyle xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" />\n'
           '           <a:p xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main">\n'
           '             <a:endParaRPr />\n'
           '           </a:p>\n'
           '         </p:txBody>\n'
           '       </p:sp>\n'
           '     </p:spTree>\n'
           '   </p:cSld>\n'
           '   <p:clrMapOvr>\n'
           '     <a:masterClrMapping xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" />\n'
           '  </p:clrMapOvr>\n'
           '</p:notes>\n' % nsdecls('p', 'a', 'r')
        )


class SlideWrapper(Slide):
    """Wrapper class for Slide that provides the .notes() property
    """
    def __init__(self, slide):
        self._slide = slide
        self._notes_slide = None

    def __getattr__(self, attr):
        return self._slide.__getattribute__(attr)

    @lazyproperty
    def notes(self):
        """Return all related notesSlides (from @inl1ne's branch)
        """
        notes_slide = None
        try:
            notes_slide = self.part_related_by(RT.NOTES_SLIDE)
        except KeyError:
            notes_slide = SlideNotes.new(self, self.partname, self.package)
            rId = self.relate_to(notes_slide, RT.NOTES_SLIDE)

        return self.part_related_by(RT.NOTES_SLIDE)

    def create_notes_slide(self):
        """
        """
        self._notes_slide = NotesSlide.new(self, self.partname, self.package)
        rId = self.relate_to(self._notes_slide, RT.NOTES_SLIDE)
        return rId


class NotesSlide(BaseSlide):
    """This class will represent the Part of the notesSlide. Any notes retrieved
    from the presentation slides will be an instance of this class.
    """
    @classmethod
    def new(cls, slide, partname, package):
        notes_slide_elm = CT_NotesSlide.new()
        slide = cls(partname, CT.PML_NOTES_SLIDE, notes_slide_elm, package)
        return slide

    @lazyproperty
    def shapes(self):
        """
        Instance of |_SlideShapeTree| containing sequence of shape objects
        appearing on this slide.
        """
        return _SlideShapeTree(self)

    @lazyproperty
    def placeholders(self):
        """
        Instance of |_SlidePlaceholders| containing sequence of placeholder
        shapes in this slide.
        """
        return _SlidePlaceholders(self)

    def add_multiline_note(self, text):
        for line in text.split('\n'):
            self.add_note(line)

    def add_note(self, text):
        """Add some text to the notesSlide, return paragraph
        that was added or False if no textframes were found
        """
        for shape in self.shapes:
            if shape.has_text_frame and shape.is_placeholder:
                if hasattr(shape, 'ph_type') and shape.ph_type == PP_PLACEHOLDER_TYPE.BODY:
                    return shape.text_frame.add_paragraph()
        return False

    def clear_notes(self):
        """Remove all current notes from the slide
        """
        for shape in self.shapes:
            if shape.has_text_frame:
                shape.text_frame.clear()

    def get_slide_runs(self):
        for shape in self.shapes:
            if shape.has_text_frame and shape.is_placeholder:
                for p in shape.text_frame.paragraphs:
                    for run in p.runs:
                        yield run




# Register the <p:notes> root tag
register_element_cls('p:notes', CT_NotesSlide)

# Add our NotesSlide as a valid Part for the notes Content Type
content_type_to_part_class_map[CT.PML_NOTES_SLIDE] = NotesSlide
PartFactory.part_type_for.update(content_type_to_part_class_map)


"""
slide = self.presentation.slides[1]
notes_slide = SlideWrapper(slide).notes_page()
"""

Line 158: where is the text set? It seems like you either need to set the text property of the paragraph you created, or omit 'text' from the argument list and rely on the caller to set the text property.

Hi,

does this still work with latest version of pptx?

Hi,
I tried to this code and its give me an error. can you please help

slide = prs['PPA'].slides.add_slide(prs['PPA'].slide_layouts[3])
note_slides = notes_slide.SlideWrapper(slide).notes_page()
for r in note_slides.get_slide_runs():
print(r.text)

Traceback (most recent call last): File "generator.py", line 1380, in <module> note_slides = notes_slide.SlideWrapper(slide_).notes_page() File "notes_slide.py", line 94, in __getattr__ return self._slide.__getattribute__(attr) AttributeError: 'Slide' object has no attribute 'notes_page'