> from pptx import Presentation
# 创建新的ppt文档
> prs = Presentation()
# 打开一个ppt文档
> prs = Presentation('input.pptx')
# 保存ppt文档
> prs.save('test.pptx')

> title_slide_layout = prs.slide_layouts[0]
> slide = prs.slides.add_slide(title_slide_layout)

shapes = slide.shapes

> shapes.text = 'hello world'

> from pptx.util import Inches, Pt
> left = top = width = height = Inches(1)
> txBox = slide.shapes.add_textbox(left, top, width, height)
> tf = txBox.text_frame
> tf.text = "first paragraph"
> p = tf.add_paragraph()
> p.text = "second paragraph"

> rows = cols = 2
> left = top = Inches(2.0)
> width = Inches(6.0)
> height = Inches(0.8)
> table = shapes.add_table(rows, cols, left, top, width, height).table
> table.columns[0].width = Inches(2.0)
> table.columns[1].width = Inches(4.0)
> # write column headings
> table.cell(0, 0).text = 'Foo'
> table.cell(0, 1).text = 'Bar'

> slide.placeholders[1]
<pptx.shapes.placeholder.SlidePlaceholder object at 0x03F73A90>
> slide.placeholders[1].placeholder_format.idx
1
> slide.placeholders[1].name
'Subtitle 2'

from pptx import Presentation
 
prs = Presentation(path_to_presentation)
 
text_runs = []
 
for slide in prs.slides:
 for shape in slide.shapes:
  if not shape.has_text_frame:
   continue
  for paragraph in shape.text_frame.paragraphs:
   for run in paragraph.runs:
    text_runs.append(run.text)