Archive

How to use Application.ReplaceFormat in the xlwings API way

The ReplaceFormat member of the Application object in Excel, when accessed via xlwings, provides a powerful way to define the formatting characteristics for cells that will be replaced during a Find and Replace operation. It acts as a container for a Range object’s formatting properties, allowing you to specify complex formatting criteria (like font, interior color, or number format) that must be matched for replacement, or to define the new format to be applied. This is particularly useful for batch formatting changes where you need to find cells based not just on their content but also on their appearance, and then update either the content, the format, or both.

Functionality and Syntax

In xlwings, you typically use this member in conjunction with the Range.replace method (which is the API equivalent of the Excel Find and Replace dialog). The ReplaceFormat property is used to set the replacement format. To specify the find format, you would use the FindFormat property of the Application object.

The core syntax within a replacement operation is:

import xlwings as xw

app = xw.apps.active # Get the active Excel application
app.api.ReplaceFormat.<Property> = <Desired Value>

Here, app.api gives direct access to the underlying Excel VBA object model. The .ReplaceFormat returns a Range object whose properties you set to define the new format. You then pass this format object to the replace method.

The full replace method call looks like this:

range_to_search.replace(what, replacement, replaceformat=app.api.ReplaceFormat)
  • what: The string to find.
  • replacement: The string to replace it with.
  • replaceformat: (Optional) The format to apply to the replacement cells. This is where you pass the app.api.ReplaceFormat object after configuring its properties.

Key Properties of ReplaceFormat Object
You can set numerous properties. Common ones include:

Property (via .api)DescriptionExample Value
.Font.BoldSets the font weight.True or False
.Font.ColorSets the font color (RGB).(255, 0, 0) for red
.Font.SizeSets the font size.12
.Interior.ColorSets the cell background color.(0, 255, 0) for green
.NumberFormatSets the number format code."$#,##0.00"

Code Examples

  1. Simple Format Replacement: Find all cells containing “OldValue” and change their background to yellow, regardless of the cell content.
import xlwings as xw

app = xw.apps.active
sheet = app.books.active.sheets[0]

# Define the REPLACEMENT format (yellow fill)
app.api.ReplaceFormat.Interior.Color = (255, 255, 0) # Yellow RGB

# Perform the replace. We search for "OldValue", replace with the same text,
# but apply the yellow fill format.
sheet.used_range.replace("OldValue", "OldValue", replaceformat=app.api.ReplaceFormat)

# Clear the ReplaceFormat to avoid affecting subsequent operations
app.api.ReplaceFormat.Clear
  1. Find and Replace with Content & Format Change: Find cells with the word “Budget” that are currently bold, and replace the text with “Forecast” while also changing the font to blue and italic.
import xlwings as xw

app = xw.apps.active
sheet = app.books.active.sheets['Data']

# First, define the FIND format (bold).
app.api.FindFormat.Font.Bold = True

# Next, define the REPLACEMENT format (blue, italic).
app.api.ReplaceFormat.Font.Color = (0, 0, 255) # Blue
app.api.ReplaceFormat.Font.Italic = True

# Perform the replace. The `searchformat` parameter uses the FindFormat.
sheet.used_range.replace(
what="Budget",
replacement="Forecast",
searchformat=app.api.FindFormat, # Must match bold cells
replaceformat=app.api.ReplaceFormat # Apply blue/italic
)

# Clear both format objects after use.
app.api.FindFormat.Clear
app.api.ReplaceFormat.Clear

How to use Application.RegisteredFunctions in the xlwings API way

The Application.RegisteredFunctions property in Excel’s object model provides a way to access information about user-defined functions (UDFs) that have been registered via add-ins or other means. This can be particularly useful for developers who need to programmatically inspect which custom functions are available in the Excel environment, their parameters, and descriptions. In xlwings, this property is accessed through the api property of the App object, which exposes the underlying Excel object model. This allows for seamless integration of Excel’s native functionalities within Python scripts, enabling automation and enhanced data analysis workflows.

Functionality
The primary function of Application.RegisteredFunctions is to return a collection of RegisteredFunction objects. Each RegisteredFunction object represents a single registered custom function and contains properties such as the function’s name, the name of the add-in that registered it, and the function’s argument descriptions. This is valuable for dynamically generating documentation, validating available functions before use, or building tools that rely on the presence of specific UDFs.

Syntax
In xlwings, the syntax to access this property is:

registered_funcs = app.api.RegisteredFunctions

Here, app is an instance of xlwings.App. The RegisteredFunctions property returns a collection that can be iterated over. Each item in the collection is a RegisteredFunction object, which has properties like:

  • Name: The name of the registered function (string).
  • Index: The position of the function in the collection (integer).
  • Evaluate: A method to call the function with arguments.

To retrieve a specific registered function, you can use its index or name. For example:

func = app.api.RegisteredFunctions(1) # By index (1-based)
func = app.api.RegisteredFunctions("MyUDF") # By name

Parameters for accessing items are:

  • Index (optional): An integer specifying the position in the collection (starting from 1).
  • Name (optional): A string specifying the name of the function.

If neither parameter is provided, the entire collection is returned. Note that the RegisteredFunctions collection is read-only and cannot be modified directly through xlwings.

Example
Below is a practical xlwings API code example that demonstrates how to use Application.RegisteredFunctions to list all registered functions in Excel, along with their details. This example assumes Excel is running with an add-in that has registered custom functions.

import xlwings as xw

# Connect to the active Excel instance
app = xw.apps.active

# Access the RegisteredFunctions collection
registered_funcs = app.api.RegisteredFunctions

# Check if any functions are registered
if registered_funcs.Count > 0:
    print("Registered Functions in Excel:")
    for i in range(1, registered_funcs.Count + 1):
        func = registered_funcs(i)
        print(f" - Name: {func.Name}")
        print(f" Index: {func.Index}")
        # Note: Additional properties like argument descriptions may be available via func.Arguments
else:
    print("No registered functions found.")

# To evaluate a specific registered function, ensure it's available and call it
# Example: Assuming a UDF named "CustomAdd" that takes two numbers
try:
    custom_func = app.api.RegisteredFunctions("CustomAdd")
    result = custom_func.Evaluate(5, 3) # Pass arguments directly
    print(f"Result of CustomAdd(5, 3): {result}")
except Exception as e:
    print(f"Error evaluating function: {e}")

# Close the connection if needed (optional)
# app.quit()

How to use Application.ReferenceStyle in the xlwings API way

The Application.ReferenceStyle property in Excel VBA determines the style of cell references used in formulas—either A1-style (the default) or R1C1-style. In xlwings, this property can be accessed and modified via the api property of an Application object, allowing Python scripts to control reference styles programmatically. This is particularly useful when generating or evaluating formulas dynamically, as different styles may be preferred for readability or compatibility with other systems.

Functionality
The ReferenceStyle property specifies whether Excel uses A1-style references (e.g., “A1” for the top-left cell) or R1C1-style references (e.g., “R1C1” for the same cell). A1-style is common in everyday use, while R1C1-style can simplify formula creation in macros by using relative row and column numbers. Changing this setting affects all formulas in the workbook, influencing how they are displayed and interpreted.

Syntax
In xlwings, the property is accessed through the Application object’s api attribute:
app.api.ReferenceStyle
This property can be both read and written. It accepts integer values corresponding to Excel constants:

  • xlA1 (or 1): Sets references to A1-style.
  • xlR1C1 (or -4150): Sets references to R1C1-style.

To use these constants in xlwings, import them from the xlwings.constants module or use their numeric equivalents. For example:
from xlwings.constants import ReferenceStyle
Then, ReferenceStyle.xlA1 or ReferenceStyle.xlR1C1 can be used.

Code Examples
Here are practical xlwings API instances demonstrating the usage of ReferenceStyle:

  1. Check the Current Reference Style
    This code retrieves and prints the current reference style of the Excel application.
import xlwings as xw
app = xw.apps.active
current_style = app.api.ReferenceStyle
print(f"Current reference style: {current_style}") # Outputs 1 for xlA1 or -4150 for xlR1C1
  1. Switch to R1C1 Reference Style
    This example changes the reference style to R1C1, which can be useful for formula manipulation in VBA-like scripts.
import xlwings as xw
from xlwings.constants import ReferenceStyle
app = xw.apps.active
app.api.ReferenceStyle = ReferenceStyle.xlR1C1
# Verify the change
print(f"Updated to: {app.api.ReferenceStyle}") # Should show -4150
  1. Use ReferenceStyle in Formula Creation
    After setting the style, formulas entered will follow the chosen format. This code adds a formula to a cell based on the current reference style.
import xlwings as xw
app = xw.apps.active
wb = app.books.active
sheet = wb.sheets[0]
# Ensure A1 style for clarity
app.api.ReferenceStyle = 1 # xlA1
sheet.range("B2").formula = "=SUM(A1:A10)"
# Switch to R1C1 and add another formula
app.api.ReferenceStyle = -4150 # xlR1C1
sheet.range("B3").formula = "=SUM(R[-2]C[-1]:R[7]C[-1])" # Equivalent to A1:A10 from B3's perspective

How to use Application.RecordRelative in the xlwings API way

The Application.RecordRelative property in Excel’s object model is a Boolean property that indicates whether the next macro recording will use relative references. In simpler terms, when RecordRelative is set to True, any actions you record (like selecting cells) will be stored relative to the initially selected cell. When set to False (the default), recordings use absolute references, meaning actions are tied to specific cell addresses (e.g., Range("A1")). This property is primarily useful when you are programmatically controlling the macro recorder via VBA or, in the context of automation, when you need to check or set the recorder’s state. However, it’s important to note that xlwings, as a Python library, does not have a direct, dedicated wrapper for every single property like RecordRelative. Instead, you access it through the generic api property, which exposes the underlying COM object (Excel’s Application object).

Syntax and Parameters in xlwings:
The xlwings syntax to get or set this property is:

app.api.RecordRelative

This is a read/write property. It accepts and returns a Boolean value.

  • Get: current_state = app.api.RecordRelative retrieves the current setting (True for relative, False for absolute).
  • Set: app.api.RecordRelative = True sets the macro recorder to use relative references for the next recording.

Important Considerations:

  1. The RecordRelative property only affects the next macro recording session started via the Excel UI (e.g., Developer Tab > Record Macro) or via Application.StartRecorder. It does not affect existing macros or code.
  2. This is a very low-level, recorder-specific property. Most xlwings scripts perform actions directly without involving the macro recorder, so its utility in typical xlwings automation is limited. It might be used in scenarios where you are building a tool that needs to programmatically prepare Excel’s environment for user-driven macro recording.

Code Examples:

Example 1: Checking the Current RecordRelative Setting

import xlwings as xw

# Connect to the active Excel instance
app = xw.apps.active

# Get the current RecordRelative state
recording_mode = app.api.RecordRelative
print(f"Next macro will record with relative references: {recording_mode}")
# Output might be: Next macro will record with relative references: False

Example 2: Setting RecordRelative to True

import xlwings as xw

app = xw.apps.active

# Set the recorder to use relative references for the next macro
app.api.RecordRelative = True
print("Macro recorder is now set to relative reference mode.")
# If a user now starts recording a macro via the Excel UI, their cell selections will be recorded relatively.

Example 3: Toggling the Setting Based on a Condition

import xlwings as xw

app = xw.apps.active

# Toggle the current state
current_state = app.api.RecordRelative
app.api.RecordRelative = not current_state
print(f"Toggled RecordRelative from {current_state} to {app.api.RecordRelative}")

How to use Application.RecentFiles in the xlwings API way

The RecentFiles property of the Application object in Excel is a powerful feature accessible through the xlwings library, enabling Python scripts to interact with the list of most recently opened workbooks. This property returns a RecentFiles collection, which contains RecentFile objects representing each file in Excel’s recent documents list. It is particularly useful for automating tasks that involve recently used files, such as logging, batch processing, or creating dynamic dashboards that reference the latest data sources. By leveraging xlwings, developers can programmatically access and manipulate this list without manual intervention, enhancing workflow efficiency in data analysis and visualization projects.

Functionality:
The primary function of the RecentFiles property is to provide read-only access to the collection of recently opened files in Excel. Each item in the collection corresponds to a file that appears in Excel’s “Recent” list, typically found under the “File” tab. Through xlwings, you can retrieve details such as file paths, names, and the order of recency, allowing for automated operations like opening, analyzing, or tracking usage patterns of these files. Note that this property does not allow direct modification of the list (e.g., adding or removing files programmatically), as it reflects Excel’s internal state based on user actions.

Syntax:
In xlwings, the RecentFiles property is accessed via the Application object. The basic syntax is as follows:

import xlwings as xw
app = xw.apps.active # or xw.App() for a new instance
recent_files = app.api.RecentFiles

Here, app.api.RecentFiles returns the Excel VBA RecentFiles collection object. To interact with individual files, you can iterate over the collection or access items by index (starting from 1). Key methods and properties include:

  • Count: Returns the number of recent files (e.g., recent_files.Count).
  • Item(index): Retrieves a specific RecentFile object by its position in the list, where the most recent file is at index 1.
  • Name: Property of a RecentFile object that provides the full file path and name.
  • Path: Property that returns the directory path of the file.

Parameters for Item(index):

  • index: An integer specifying the position in the recent files list. Values range from 1 to Count, with 1 being the most recently opened file. If the index is out of range, an error will occur.

Example:
Below is a practical xlwings code example that demonstrates how to use the RecentFiles property to list and open the most recent workbook. This script assumes Excel is already running with an active instance.

import xlwings as xw

# Connect to the active Excel application
app = xw.apps.active

# Access the RecentFiles collection
recent_files = app.api.RecentFiles

# Check if there are any recent files
if recent_files.Count > 0:
    print("Recent Files List:")
    for i in range(1, recent_files.Count + 1):
        recent_file = recent_files.Item(i)
        file_name = recent_file.Name
        print(f"{i}: {file_name}")

# Open the most recent file (index 1) in a new workbook
most_recent_path = recent_files.Item(1).Name
wb = app.books.open(most_recent_path)
print(f"Opened: {most_recent_path}")

# Perform data analysis: e.g., read data from the first worksheet
sheet = wb.sheets[0]
data_range = sheet.range("A1").expand()
print(f"Data range size: {data_range.shape}")
else:
print("No recent files available.")

How to use Application.Ready in the xlwings API way

The Ready member of the Application object in Excel is a property that indicates whether Excel has completed any pending calculations, data refreshes, or operations, and is ready to accept user input or further automation commands. In the context of automation via xlwings, this property is particularly useful when you need to ensure that Excel is in a stable, idle state before proceeding with subsequent operations, such as reading calculated values, saving workbooks, or executing macros. This can help prevent errors or race conditions in scripts that interact with a live Excel instance.

In xlwings, you access the Ready property through the app object, which represents the Excel application. The property is read-only and returns a Boolean value: True if Excel is ready, and False otherwise. The syntax for accessing it is straightforward:

app.api.Ready

Here, app is your xlwings App instance, and .api provides direct access to the underlying Excel object model, including the Application object and its members. The Ready property does not take any parameters. It’s a simple check that you can use in conditional statements or loops to pause execution until Excel is ready.

A common use case is to wait for Excel to finish calculating after changing cell values or formulas, especially in workbooks with complex calculations or external data connections. Instead of using arbitrary time delays (e.g., time.sleep()), which can be inefficient or unreliable, polling the Ready property ensures that your script proceeds only when Excel is truly idle. However, note that in some scenarios, such as when Excel is displaying a modal dialog (like a message box), the Ready property might return False indefinitely, so it’s best used in controlled environments where such dialogs are avoided.

Below is a code example that demonstrates how to use the Ready property in xlwings. This script opens an Excel workbook, performs an operation that triggers calculations, and waits for Excel to be ready before reading a result:

import xlwings as xw

# Start or connect to an Excel application
app = xw.App(visible=True) # Set visible=False for background operation

# Open a workbook (replace with your file path)
wb = app.books.open('example.xlsx')
sheet = wb.sheets['Sheet1']

# Change a cell value that triggers calculations, e.g., a formula dependency
sheet.range('A1').value = 100

# Check if Excel is ready; poll in a loop if necessary
while not app.api.Ready:
    # You can add a short sleep to avoid excessive CPU usage, but keep it minimal
import time
    time.sleep(0.1) # Sleep for 100 milliseconds between checks

# Once ready, read a calculated value from another cell
result = sheet.range('B1').value
print(f"Calculated result: {result}")

# Save and close
wb.save()
wb.close()
app.quit()

How to use Application.Range in the xlwings API way

The Application object’s Range member in Excel’s object model is a fundamental interface for accessing and manipulating cells and ranges within a workbook. In xlwings, this is primarily accessed through the app (or xw.apps) object, which represents the Excel application instance. The Range member is not directly called as a method on app in xlwings; instead, it is used via the books, sheets, and range properties to target specific cells. The core functionality revolves around reading, writing, and formatting cell data, as well as performing operations like resizing or selecting ranges.

Syntax and Parameters:
The typical xlwings pattern to get a range starts from the application, through a specific workbook and sheet. The direct equivalent to VBA’s Application.Range is not a single call but a chain:

import xlwings as xw
app = xw.apps.active # Or xw.App() for a new instance
range_obj = app.books['Book1'].sheets['Sheet1'].range('A1:B10')

Alternatively, using the shorter, more common xlwings syntax that implicitly uses the active app:

range_obj = xw.Range('A1:B10') # Uses active sheet in active workbook

The range() method/function accepts arguments to define the range:

  • cell1 (str or tuple): The starting cell address (e.g., 'A1') or a tuple of row and column numbers (e.g., (1, 1) for A1).
  • cell2 (str or tuple, optional): The ending cell address for defining a rectangular range (e.g., 'B10'). If omitted, a single-cell range is created.

The returned object is an xlwings Range object, which has numerous properties and methods like value, formula, color, autofit(), etc.

Example Usage:
Here are practical examples using xlwings to interact with ranges via the application context:

  1. Writing data to a range:
import xlwings as xw
app = xw.App(visible=True) # Start Excel app
wb = app.books.add() # Add a new workbook
ws = wb.sheets[0]
# Write a 2D list to range A1:C3
ws.range('A1').value = [[1, 'Apple', 2.5], [2, 'Banana', 1.8], [3, 'Cherry', 3.2]]
  1. Reading data from a range:
data = ws.range('A1:C3').value # Returns a list of lists
print(data) # Output: [[1, 'Apple', 2.5], [2, 'Banana', 1.8], [3, 'Cherry', 3.2]]
  1. Using range operations:
# Autofit column widths for range A:C
ws.range('A:C').columns.autofit()
# Add a formula in cell D1
ws.range('D1').formula = '=SUM(C1:C3)'
# Get the address of the used range
used_range = ws.used_range.address
print(used_range) # e.g., '$A$1:$D$3'
  1. Dynamic range via app selection:
app = xw.apps.active
# Get the range currently selected in Excel
selected_range = app.selection
if isinstance(selected_range, xw.Range):
    selected_range.value = 'Updated' # Write to all selected cells

How to use Application.QuickAnalysis in the xlwings API way

The QuickAnalysis property of the Application object in Excel is a powerful feature that provides a user interface for quick data analysis, including options for formatting, charts, totals, tables, and sparklines. In xlwings, this functionality is exposed through the api property, which allows direct access to the underlying Excel object model. Using the QuickAnalysis property programmatically via xlwings enables developers to trigger this feature on a selected range of cells, enhancing productivity by automating common data analysis tasks. This is particularly useful in scenarios where you want to guide users through interactive data exploration without manual intervention.

Functionality:
The QuickAnalysis property returns a QuickAnalysis object, which represents the quick analysis options available for a specified range. In the Excel interface, this appears as a small icon at the bottom-right corner of a selected range, offering contextual tools for data visualization and summarization. Through xlwings, you can programmatically invoke this feature to display the quick analysis menu or apply specific analysis options, such as conditional formatting or chart creation, based on the data in the range.

Syntax:
In xlwings, the QuickAnalysis property is accessed via the api property of an Application object. The general syntax is:

quick_analysis_obj = xw.apps[0].api.QuickAnalysis

However, note that the QuickAnalysis property is typically used in conjunction with a Range object to specify the target cells. The full usage involves:

  • Accessing the Application object through xlwings.
  • Using the QuickAnalysis property to get the QuickAnalysis object.
  • Applying methods like Show to display the analysis options for a range.

The Show method is key here, with the syntax:

range.api.QuickAnalysis.Show(Location)

Where:

  • range: This is the xlwings Range object representing the cells you want to analyze.
  • Location: An optional parameter that specifies where the quick analysis menu should appear. It can take values from the XlQuickAnalysisMode enumeration, such as xlQuickAnalysisModeAll (default) to show all options.

Common XlQuickAnalysisMode values include:

  • xlQuickAnalysisModeAll (0): Displays all available analysis options.
  • xlQuickAnalysisModeFormulas (1): Shows only formula-related options.
  • xlQuickAnalysisModeCharts (2): Displays chart options.
  • xlQuickAnalysisModeTotals (3): Shows total calculation options.
  • xlQuickAnalysisModeTables (4): Displays table formatting options.
  • xlQuickAnalysisModeSparklines (5): Shows sparkline options.

Example:
Here is a practical xlwings code example that demonstrates using the QuickAnalysis property to trigger the quick analysis menu for a selected range. This example assumes you have an Excel workbook open with some data.

import xlwings as xw

# Connect to the active Excel application
app = xw.apps.active

# Open a workbook or use the active one
wb = app.books.active

# Select a range of data, e.g., A1:D10 on the first sheet
data_range = wb.sheets[0].range('A1:D10')

# Display the quick analysis menu for the selected range
# Using the default location (all options)
data_range.api.QuickAnalysis.Show(xlQuickAnalysisModeAll)

# Alternatively, you can specify a specific mode, like charts only
# First, ensure the constant is defined (xlQuickAnalysisModeCharts = 2)
data_range.api.QuickAnalysis.Show(2)

# To apply a specific analysis option programmatically, you might use other methods
# For instance, to apply a specific chart type, you could use:
# data_range.api.QuickAnalysis.ApplyChartType(ChartType)
# Note: The ApplyChartType method requires further parameters and may vary based on Excel version.

How to use Application.ProtectedViewWindows in the xlwings API way

The ProtectedViewWindows member of the Application object in Excel’s object model provides access to a collection of ProtectedViewWindow objects. Each ProtectedViewWindow represents a workbook that has been opened in Protected View, a security feature that opens potentially unsafe files (like those from the internet or email attachments) in a restricted mode to prevent harmful content from affecting your system. Through xlwings, you can interact with this collection to inspect, manage, or close workbooks opened in this mode, which is useful for automating security checks or handling multiple protected files programmatically.

Functionality
The primary function is to access and manage workbooks in Protected View. You can iterate through all open Protected View windows, retrieve specific windows by index, count them, or close them. This allows for automation scripts that monitor or clean up Protected View sessions, especially in environments where files are frequently downloaded and need processing.

Syntax in xlwings
In xlwings, you access the ProtectedViewWindows collection via the Application object. The typical syntax is:

import xlwings as xw
app = xw.apps.active # Or xw.App() for a specific instance
protected_windows = app.api.ProtectedViewWindows

Here, app.api provides the underlying Excel COM object, exposing the ProtectedViewWindows property. This returns a collection object that supports standard VBA-style methods and properties, such as Count and Item.

Key Properties and Methods

  • Count: Returns the number of open Protected View windows (read-only integer).
  • Item(index): Returns a single ProtectedViewWindow object by its index number (1-based) or by name.
  • Open(filename): Opens a file in Protected View (not directly via the collection in xlwings; typically, you’d use app.api.Workbooks.Open with security flags).

For the ProtectedViewWindow objects themselves, common members include:

  • SourceName: The full path of the source file (string).
  • Close(): Closes the Protected View window without saving.
  • Activate(): Activates the window.
  • Workbook: Returns the workbook object within the Protected View (read-only).

Example Usage
Below is a code example demonstrating how to use the ProtectedViewWindows member in xlwings to list and close all Protected View windows:

import xlwings as xw

# Connect to the active Excel instance
app = xw.apps.active

# Access the ProtectedViewWindows collection
protected_windows = app.api.ProtectedViewWindows

# Check if any Protected View windows are open
if protected_windows.Count > 0:
    print(f"Number of Protected View windows: {protected_windows.Count}")

    # Iterate through each window and display its source file
    for i in range(1, protected_windows.Count + 1):
        window = protected_windows.Item(i)
        print(f"Window {i}: Source = {window.SourceName}")

    # Optionally close the window (uncomment to use)
    # window.Close()
else:
    print("No Protected View windows are currently open.")

# To open a file in Protected View (using Workbook.Open with security settings)
# This requires setting the correct parameters; note that xlwings doesn't have a direct method for this.
# In practice, you might use: app.api.Workbooks.Open("C:\\path\\to\\file.xlsx", UpdateLinks=0, ReadOnly=True)
# But for true Protected View, ensure Excel's security settings trigger it automatically for unsafe sources.

How to use Application.PromptForSummaryInfo in the xlwings API way

The Application.PromptForSummaryInfo member in Excel’s object model is a method that displays the “Properties” dialog box, allowing users to view or edit the summary information and statistics of the active workbook. This dialog box includes details such as the title, subject, author, manager, company, category, keywords, comments, and hyperlink base. In xlwings, this functionality can be accessed to programmatically trigger this dialog, which is useful for automating document property management or prompting users to input metadata before saving or distributing a workbook.

Syntax in xlwings:
The method is called via the Application object. The xlwings API syntax is:

app.api.PromptForSummaryInfo

Here, app refers to the xlwings Application object. This method does not take any parameters and does not return a value. It simply opens the dialog box modally, meaning code execution pauses until the user closes the dialog. The method corresponds to the VBA Application.PromptForSummaryInfo method.

Parameters:
The method has no parameters. In VBA, it is called without arguments, and the same applies in xlwings through the .api attribute, which exposes the underlying Excel object model.

Example Usage:
Below is a practical xlwings code example that starts an Excel instance, opens a workbook, and then displays the “Properties” dialog box to allow the user to edit summary information. This can be integrated into scripts for data preparation workflows where document metadata is required.

import xlwings as xw

# Start a new Excel application (visible to see the dialog)
app = xw.App(visible=True)

# Open an existing workbook or create a new one
wb = app.books.open('example.xlsx') # Replace with your file path

# Display the PromptForSummaryInfo dialog
app.api.PromptForSummaryInfo

# The code will pause here while the user interacts with the dialog.
# After closing the dialog, you can continue with other operations, e.g., save the workbook.
wb.save()
print("Workbook properties have been updated.")

# Close the workbook and quit Excel
wb.close()
app.quit()