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An enumeration class that defines constants representing different file system object types (Invalid, File, Folder, Web).

Purpose

This class serves as a namespace for enumeration constants that categorize file system objects. It provides standardized integer values to distinguish between invalid objects (-1), files (0), folders (1), and web/site objects (2). This pattern is commonly used for type checking and conditional logic when working with file system operations or SharePoint-like systems.

Source Code

class FileSystemObjectType:
    """Specifies the file system object type."""

    def __init__(self):
        pass

    Invalid = -1
    """Enumeration whose values specify whether the object is invalid. The value = -1."""

    File = 0
    """Enumeration whose values specify whether the object is a file. The value = 0."""

    Folder = 1
    """Enumeration whose values specify whether the object is a folder. The value = 1."""

    Web = 2
    """Enumeration whose values specify whether the object is a site. The values = 2."""

Parameters

Parameter Details

__init__: The constructor takes no parameters and performs no initialization. It exists only to allow instantiation of the class, though the class is primarily intended to be used as a static namespace for its class-level constants.

Return Value

Instantiation returns a FileSystemObjectType instance, though this is not the typical usage pattern. The class is designed to be used by accessing its class-level constants directly (e.g., FileSystemObjectType.File) rather than creating instances. Each constant returns an integer value representing a specific file system object type.

Class Interface

Methods

Attributes

Usage Example

# Typical usage - accessing class constants directly without instantiation
if obj_type == FileSystemObjectType.File:
    print("This is a file")
elif obj_type == FileSystemObjectType.Folder:
    print("This is a folder")
elif obj_type == FileSystemObjectType.Web:
    print("This is a web/site object")
elif obj_type == FileSystemObjectType.Invalid:
    print("Invalid object")

# Checking object type value
file_type = FileSystemObjectType.File  # Returns 0
folder_type = FileSystemObjectType.Folder  # Returns 1
web_type = FileSystemObjectType.Web  # Returns 2
invalid_type = FileSystemObjectType.Invalid  # Returns -1

# Less common - instantiation (not recommended)
fs_obj = FileSystemObjectType()
print(fs_obj.File)  # Outputs: 0

Best Practices

• Use the class constants directly without instantiating the class (e.g., FileSystemObjectType.File instead of FileSystemObjectType().File)
• This class follows an enumeration pattern but predates Python's enum.Enum; consider using enum.IntEnum for new code
• The constants are class-level attributes, not instance attributes, making instantiation unnecessary
• Use these constants for type comparison rather than hardcoding integer values in your code
• The Invalid value (-1) should be used to represent error states or uninitialized objects
• This pattern is commonly found in SharePoint and Office 365 APIs for categorizing list items and objects

Tags

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