How to read/write Word docx files in Python

python-read-write-word-docx-files-feature-image

In this tutorial, we’re gonna look at way to use python-docx module to read, write Word docx files in Python program.

Word documents

Word .docx file has more structures than plain text. With python-docx module, we have 3 different data types:
– a Document object for entire document.
Paragraph objects for the paragraphs inside Document object.
– Each Paragraph object contains a list of Run objects.

read-write-word-docx-files-in-python-docx-module-docx-file

Read/Write Word docx files in Python

Install python-docx module

Open cmd, then run:
pip install python-docx

Once the installation is successful, we can see docx folder at Python\Python[version]\Lib\site-packages.
(In this tutorial, we use python-docx 0.8.10)

Now we can import the module by running import docx.

Read docx file
Open file

We call docx.Document() function and pass the filename to open a docx file under a Document object.

Get paragraphs

Document object has paragraphs attribute that is a list of Paragraph objects.

Get full-text

To get full-text of the document, we will:
– open the Word document
– loop over all Paragraph objects and then appends their text

Write docx file
Create Word document

We call docx.Document() function to get a new, blank Word Document object.

Save Word Document

When everything’s done, we must use save('filename.docx') Document’s method with filename to save the Document object to a file.

Add Paragraphs

We use add_paragraph() Document’s method to add a new paragraph and get a reference to this Paragraph object.

We can add text to the end of an existing Paragraph object using Paragraph’s add_run(text) method.

Result in grokonez.docx:

read-write-word-docx-files-in-python-docx-module-add-paragraphs

To make text styled, we add Run with text attributes.

Result in grokonez.docx:

read-write-word-docx-files-in-python-docx-module-add-paragraphs-add-runs

These are some text attributes:
bold
italic
underline
strike (strikethrough)
double_strike (double strikethrough)
all_caps (capital letters)
shadow
outline
rtl (right-to-left)

Add Headings

We use Document’s add_heading(heading, i) method to add a paragraph with heading style with i argument from 0 to 9 for heading levels.

read-write-word-docx-files-in-python-docx-module-add-headings

Add Line Breaks, Page Breaks

Instead of starting a new paragraph, we can add a line break using Run object add_break() method on the one that we want to have the break appear after.

Result in grokonez.docx:

read-write-word-docx-files-in-python-docx-module-add-line-break

We can also add a page break with add_break() method by passing the value docx.enum.text.WD_BREAK.PAGE as an argument to it.

Result in grokonez.docx:

read-write-word-docx-files-in-python-docx-module-add-page-break

Add Pictures

We can use Document object’s add_picture() method to add an image to the end of the document.

Result in grokonez.docx:

read-write-word-docx-files-in-python-docx-module-add-picture

add_picture() method has optional width and height arguments.
If we don’t use them, the width and height will default to the normal size of the image.

Result in grokonez.docx:

read-write-word-docx-files-in-python-docx-module-add-picture-width

Result in grokonez.docx:

read-write-word-docx-files-in-python-docx-module-add-picture-width-height

By grokonez | January 31, 2019.



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41 thoughts on “How to read/write Word docx files in Python”

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  2. “Open cmd, then run:
    pip install python-docx

    Once the installation is successful…”

    I’m still pretty green, so this is not very clear. This line does not execute in the command prompt, nor does it execute in IDLE. I assume this is Windows and not Mac? What version of Python? If this was more clear, I’d be home free. Perhaps a hyperlink for “cmd” to clear things up?

    I know this sounds like the typical internet tantrum – it isn’t – but a lot of stuff that is understandably taken for granted by seasoned programmers is the difference between going and stopping for us newcomers. And I would hazard to guess that newcomers outnumber experienced folk when searching for answers online. It doesn’t take much to lock us up, but we’re learning.

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