Python-pptx:复制幻灯片

def duplicate_slide(pres, index):
    template = pres.slides[index]
        blank_slide_layout = pres.slide_layouts[12]
    except:
        blank_slide_layout = pres.slide_layouts[len(pres.slide_layouts)]
    copied_slide = pres.slides.add_slide(blank_slide_layout)
    for shp in template.shapes:
        el = shp.element
        newel = copy.deepcopy(el)
        copied_slide.shapes._spTree.insert_element_before(newel, 'p:extLst')
    for _, value in six.iteritems(template.part.rels):
        # Make sure we don't copy a notesSlide relation as that won't exist
        if "notesSlide" not in value.reltype:
            copied_slide.part.rels.add_relationship(
                value.reltype,
                value._target,
                value.rId
    return copied_slide

copied_slide = duplicate_slide(pres, 4)

from pptx import Presentation
import copy
def copy_slide_from_external_prs(prs):
    # copy from external presentation all objects into the existing presentation
    external_pres = Presentation("PATH/TO/PRES/TO/IMPORT/from.pptx")
    # specify the slide you want to copy the contents from
    ext_slide = external_pres.slides[0]
    # Define the layout you want to use from your generated pptx
    SLD_LAYOUT = 5
    slide_layout = prs.slide_layouts[SLD_LAYOUT]
    # create now slide, to copy contents to 
    curr_slide = prs.slides.add_slide(slide_layout)
    # now copy contents from external slide, but do not copy slide properties
    # e.g. slide layouts, etc., because these would produce errors, as diplicate
    # entries might be generated
    for shp in ext_slide.shapes:
        el = shp.element
        newel = copy.deepcopy(el)
        curr_slide.shapes._spTree.insert_element_before(newel, 'p:extLst')
    return prs

def find_shape_by_name(shapes, name):
    for shape in shapes:
        if shape.name == name:
            return shape
    return None
def add_text(shape, text, alignment=None):
    if alignment:
        shape.vertical_anchor = alignment
    tf = shape.text_frame
    tf.clear()
    run = tf.paragraphs[0].add_run()
    run.text = text if text else ''

slide_title = find_shape_by_name(slide.shapes,'slide_title')

add_text(slide_title,'TEST SLIDE')

import win32com.client
ppt_instance = win32com.client.Dispatch('PowerPoint.Application')
#open the powerpoint presentation headless in background
read_only = True
has_title = False
window    = False
prs = ppt_instance.Presentations.open('path/ppt.pptx',read_only,has_title,window)
nr_slide = 1
insert_index = 1
prs.Slides(nr_slide).Copy()
prs.Slides.Paste(Index=insert_index)
prs.SaveAs('path/new_ppt.pptx')
prs.Close()
#kills ppt_instance
ppt_instance.Quit()
del ppt_instance

def get_slide_count(prs):
""" Get the number of slides in PPTX presentation """
    slidecount = 0
    for slide in prs.slides:
        slidecount += 1
    return slidecount
def delete_slide(prs, slide):
    """ Delete a slide out of a powerpoint presentation"""
    id_dict = { slide.id: [i, slide.rId] for i,slide in enumerate(prs.slides._sldIdLst) }
    slide_id = slide.slide_id
    prs.part.drop_rel(id_dict[slide_id][1])
    del prs.slides._sldIdLst[id_dict[slide_id][0]]
def get_single_slide_pres(prs, slidetokeep):
    for idx, slide in enumerate(prs.slides):
        if idx < slidetokeep:
            delete_slide(prs, slide)
        elif (idx > slidetokeep):
            delete_slide(prs, slide)
    prs.save(str(slidetokeep + 1) + ".pptx")
pptxfilepath = "test.pptx"

Python-pptx:复制幻灯片

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