Word of office automation in python (Part 1)

Watch the corner. 2020-11-11 10:33:23
word office automation python

Get ready

Python operation Word The most common dependency libraries are :python-docx

therefore , Before starting the operation , We need to install this dependency Library in a virtual environment

# Installation dependency
pip3 install python-docx

Write down the actual combat

We need to know a Word The page structure of the document

They are :

  • file - Document

  • chapter - Section

  • The paragraph - Paragraph

  • Text block - Run

Frequently operated data types include : The paragraph 、 title 、 list 、 picture 、 form 、 style

First , Use  Document  Create a document object , It's equivalent to creating a blank document

from docx import Document
# 1、 Create a new blank document
doc = Document()

then , You can write data to the document

Using document objects  add_heading(text,level)  Method can write the title

among , The first 1 Parameters are the title content , The first 2 Parameters represent the level of the title

such as : Write the first level title separately 、 Secondary title 、 Three level title

# 2、 The new content
# 2.1 title
# Write a first level Title respectively , A secondary title , A three-level title
doc.add_heading(' First level title ', 0)
doc.add_heading(' Secondary title ', 1)
doc.add_heading(' Three level title ', 2)

The paragraph Paragraph contain 3 class , Namely :

  • Ordinary paragraphs

  • Custom style paragraph

  • Quote paragraph

By default , Using document objects  add_paragraph(text,style)  Method to add a paragraph

Ordinary paragraphs : If the second parameter style There was no introduction , It means to add a normal paragraph

Quote paragraph : For quoted paragraphs , Just specify the paragraph style as  Intense Quote  that will do

# 2.2.1 New normal paragraph
doc.add_paragraph(" I am a normal paragraph .")
# 2.2.3 Add a quote paragraph
# Just specify the style as :Intense Quote
doc.add_paragraph('-- I'm a quotation paragraph --', style='Intense Quote')

Custom style paragraph : Here you are 2 Type of implementation

Namely :

  • Create an empty paragraph object , Add text blocks Run When , Also specify the font style

  • Create a new style using document objects ( Or patterns that already exist ), And then when you add a paragraph , Set to the second parameter

Considering the reusability of styles , The first 2 It may be more practical

The corresponding method is :


By the end of 2 For example , Add a custom style paragraph , Set the font name of the paragraph 、 size 、 Color 、 Is it bold 、 Alignment, etc

PS: The first 1 Type of implementation , At the end of the article, the source code will provide

This method is first 2 Parameters are used to specify the style type , contain 3 Kind of

The corresponding relations are as follows :

  • 1: paragraph style

  • 2: Character style

  • 3: Table style

def create_style(document, style_name, style_type, font_size=-1, font_color=None, font_name=None, align=None):
Create a style
:param align:
:param document:
:param style_name: Style name
:param style_type: Style type ,1: paragraph style , 2: Character style , 3: Table style
:param font_name:
:param font_color:
:param font_size:
if font_color is None:
font_color = []
# Be careful : You have to judge whether a style exists , Otherwise, adding again will report an error
style_names = [style.name for style in document.styles]
if style_name in style_names:
# print(' Patterns already exist , There is no need to re add !')
font_style = document.styles.add_style(style_name, style_type)
# font size
if font_size != -1:
font_style.font.size = Pt(font_size)
# The font color
# such as :[0xff,0x00,0x00]
if font_color and len(font_color) == 3:
font_style.font.color.rgb = RGBColor(font_color[0], font_color[1], font_color[2])
# Alignment mode
# Be careful : The paragraph 、 Tables have alignment
if style_type != 2 and align:
font_style.paragraph_format.alignment = align
# font_style.paragraph_format.alignment = WD_PARAGRAPH_ALIGNMENT.CENTER
# font_style.paragraph_format.alignment = WD_PARAGRAPH_ALIGNMENT.LEFT
# font_style.paragraph_format.alignment = WD_PARAGRAPH_ALIGNMENT.RIGHT
# Chinese font name
if font_name:
font_style.font.name = font_name
font_style._element.rPr.rFonts.set(qn('w:eastAsia'), font_name)
return font_style

It should be noted that , When a new style is added , You must first determine whether the style name exists , Otherwise, an error will be reported

Last , When you add a paragraph , Pass in the style created above to 2 Of the parameters

 Use add_paragraph() Method to add a paragraph , The return value is a paragraph object 

 This object can also use  add_run(text,style)  Method , Add a block of text after a paragraph Run  And specify the style 
# 1/ paragraph style
style_paragraph = create_style(document=doc, style_name="style2", style_type=1, font_size=30,
font_color=[0xff, 0x00, 0x00])
# 2/ Character style
style_string = create_style(document=doc, style_name="style3", style_type=2, font_size=15,
font_color=[0x00, 0xff, 0x00])
# 3/ Table style
# The alignment is : In the middle
style_table = create_style(document=doc, style_name="style4", style_type=3, font_size=25,
font_color=[0x00, 0x00, 0xff], align=WD_PARAGRAPH_ALIGNMENT.CENTER)
current_paragraph = doc.add_paragraph(" I am a paragraph with its own style ( Mode two )!!!", style_paragraph)
# Character style
current_paragraph.add_run("【 The paragraph 2 Part of the characters in 】", style_string)

Word In the document , Ordered lists and unordered lists are also commonly used

in fact , It's similar to adding a paragraph , Adding lists also uses document objects add_paragraph()  Method , Specify different styles style To add


  • Ordered list :List Number

  • Unordered list :List Bullet

def add_list(document, data, isorder):
Add list data to unordered list / In an ordered list
:param document: Document object
:param data: The list of data
:param isorder: Is there a sequence table
# Unordered list
if not isorder:
for item in data:
document.add_paragraph(item, style='List Bullet')
# Ordered list
for item in data:
document.add_paragraph(item, style='List Number')
# 2.3 list
# 2.3.1 Unordered list
add_list(doc, [" disorder -Item1", " disorder -Item2", " disorder -Item3"], False)
# 2.3.2 Ordered list
add_list(doc, [" Orderly -Item1", " Orderly -Item2", " Orderly -Item3"], True)

Next , Let's look at how to insert images into a document

Usage method :


among ,

  • The first 1 Parameters represent the image path or image stream ( Network picture )

  • The first 2、3 Parameters are used to set the width of the picture 、 high

It should be noted that , If the width and height are not specified explicitly , It is shown in the original size of the picture ; If only one of them is set , Then the display will be scaled proportionally according to one of the settings

Writing local images is easy

def add_local_image(doc, image_path, width=None, height=None):
Add local images to Word In the document
:param doc:
:param image_path:
:param width:
:param height:
doc.add_picture(image_path, width=None if width is None else Inches(width),
height=None if height is None else Inches(height))
# 2.4.1 Insert local image
add_local_image(doc, './1.png', width=2)

For Web Images , We need to go through the Internet image address first , Get picture byte stream , Pass in to the first parameter

import ssl
from io import BytesIO
def get_image_data_from_network(url):
Get network picture byte stream
:param url: Picture address
ssl._create_default_https_context = ssl._create_unverified_context
# Get the byte stream of network picture
image_data = BytesIO(urlopen(url).read())
return image_data
def add_network_image(doc, image_url, width=None, height=None):
Add local images to Word In the document
:param doc:
:param image_url:
:param width:
:param height:
# Get a picture stream
image_data = get_image_data_from_network(image_url)
doc.add_picture(image_data, width=None if width is None else Inches(width),
height=None if height is None else Inches(height))
# 2.4.2 Insert network picture
url = ' picture URL Address '

Last , Let's look at how to insert a table into a document

Usage method :


Return value : Table objects  <class 'docx.table.Table'>

among ,

  • The first 1 Parameters : The number of rows in the table

  • The first 2 Parameters : The number of columns in the table

  • The first 3  Parameters : The style of the table

Use line / Column index , You can get a row in the table / A list of all cell objects

# Add one table form
table = doc.add_table(***)
# By line / Column index , Get a line / All cell objects of the column
# The first row is a list of all cell objects
head_cells = table.rows[0].cells

in addition , Table objects use  add_row()、add_column()  Method can add a line / Column

To specify the header 、 Table data , For example, insert a table

def add_table(doc, head_datas, datas, style=None):
Add a table
:param doc:
:param head_datas: Header
:param datas: data
:param style:
# Add a table
# A complete collection of all forms of tables :https://blog.csdn.net/ibiao/article/details/78595295
# The default style is :Table Grid
table = doc.add_table(rows=1, cols=len(head_datas), style=("Table Grid" if style is None else style))
# The first row is a list of all cell objects
head_cells = table.rows[0].cells
# Write data to the header
for index, head_item in enumerate(head_datas):
head_cells[index].text = head_item
# Traverse data and write data
for data in datas:
# Add a single row or column :add_row、add_column
row_cells = table.add_row().cells
for index, cell in enumerate(row_cells):
cell.text = str(data[index])
# 2.5 form
head_datas = [" full name ", " Age ", " region "]
datas = (
(' Zhang San ', 18, ' Shenzhen '),
(' Li Si ', 28, ' Beijing '),
(' Wang Wu ', 33, ' Shanghai '),
(' Sun Liu ', 42, ' Guangzhou ')
# Add a table , And specify the style
# add_table(doc, head_datas, datas, style_table)
add_table(doc, head_datas, datas)

It's important to point out that , The default style of the table is  Table Grid, You can also use the above method to customize a table style , Insert the table and set it in at the same time


This article is about Word The routine operation of writing data has been comprehensively combed , More features include : Read 、 modify 、 lookup 、 Delete and other actual combat content will continue to output

Want this source code and information can join me Python From the basic exchange group :1156465813

Be careful : If you're looking for python Well paid jobs . I suggest you write more about real enterprise projects and accumulate experience . Or you won't find a job , Of course, a lot of people have never been in a business , How can there be project experience ? So you have to find more enterprise projects and practice more . If you're lazy and don't want to find , You can also enter my Python Circle of communication . There are some real enterprise project cases that I have written before in the group file . You can take it to study , If you don't understand, you can find me in your skirt , I'll answer you patiently when I have time .


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