Attachments

class FileAttachment:
    def __init__(
        self,
        name: str = None,
        content: bytes = None,
        content_type: str = None,
        content_id: str = None,
        content_location: str = None,
        is_inline: bool = False
    ):
        """Create a file attachment."""
    
    name: str
    content: bytes
    content_type: str
    content_id: str
    size: int
    last_modified_time: EWSDateTime
    is_inline: bool
    
    def save(self, path: str):
        """Save attachment to file system."""
    
    @classmethod
    def from_file(cls, path: str, name: str = None) -> FileAttachment:
        """Create attachment from file."""

class ItemAttachment:
    def __init__(self, name: str = None, item: Item = None):
        """Create an item attachment."""
    
    name: str
    item: Item
    size: int
    last_modified_time: EWSDateTime
    
    def save(self):
        """Save the attached item."""

class Item:
    attachments: list[FileAttachment | ItemAttachment]
    has_attachments: bool
    
    def attach(self, attachment: FileAttachment | ItemAttachment):
        """Add an attachment to the item."""
    
    def detach(self, attachment: FileAttachment | ItemAttachment):
        """Remove an attachment from the item."""

from exchangelib import FileAttachment, ItemAttachment, Message

# Create message with file attachment
message = Message(
    account=account,
    subject='Document for Review',
    body=Body('Please review the attached document.'),
    to_recipients=[Mailbox(email_address='reviewer@company.com')]
)

# Add file attachment
attachment = FileAttachment.from_file('/path/to/document.pdf', 'Document.pdf')
message.attachments.append(attachment)
message.save()

# Download attachments from received message
for item in account.inbox.filter(has_attachments=True):
    for attachment in item.attachments:
        if isinstance(attachment, FileAttachment):
            attachment.save(f'/downloads/{attachment.name}')

# Attach another email as item attachment
item_attachment = ItemAttachment(
    name='Referenced Email',
    item=referenced_message
)
message.attachments.append(item_attachment)