python-docx WD_LINE_SPACING.SINGLE not work

Question

Very simple code:

from docx.enum.text import WD_LINE_SPACING
from docx import Document

document = Document('demo.docx')
smi_line = document.add_paragraph('test line spacing')
smi_line.line_spacing_rule = WD_LINE_SPACING.SINGLE
document.save('demo.docx')

When i open demo.docx in MS Word i see that line spacing is multiple. What i doing wrong?

Answer 1

I think what you're looking for is the .line_spacing_rule property on the ParagraphFormat object:

from docx.enum.text import WD_LINE_SPACING
from docx import Document

document = Document()
paragraph = document.add_paragraph('test line spacing')
paragraph.paragraph_format.line_spacing_rule = WD_LINE_SPACING.SINGLE
document.save('demo.docx')