tessl/pypi-pyobjc-framework-mailkit

Python bindings for Apple's MailKit framework, enabling developers to create mail extensions that integrate with macOS Mail applications

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pyobjc-framework-MailKit

Name: tessl/pypi-pyobjc-framework-mailkit
Author: tessl

Python bindings for Apple's MailKit framework, enabling developers to create mail extensions that integrate with macOS Mail applications. This framework provides comprehensive functionality for message handling, security operations (encryption/signing), compose session management, message actions (flagging, coloring), content blocking, and address annotation capabilities.

Package Information

Package Name: pyobjc-framework-MailKit
Language: Python
Installation: pip install pyobjc-framework-MailKit
Requirements: macOS 12.0+, pyobjc-core, pyobjc-framework-Cocoa

Core Imports

import MailKit

Access specific classes:

from MailKit import (
    MEMessage, MEComposeSession, MEMessageAction,
    MEExtensionManager, MEMessageSecurityInformation,
    MEDecodedMessage, MEEmailAddress
)

Basic Usage

import MailKit

# Create a message security information object
security_info = MailKit.MEMessageSecurityInformation.alloc().initWithSigners_isEncrypted_signingError_encryptionError_(
    signers=[],
    isEncrypted=True,
    signingError=None,
    encryptionError=None
)

# Create a decoded message with security information
message = MailKit.MEDecodedMessage.alloc().initWithData_securityInformation_context_(
    data=message_data,
    securityInformation=security_info,
    context=context
)

# Check message encryption state
if message_encryption_state == MailKit.MEMessageEncryptionStateEncrypted:
    print("Message is encrypted")

# Handle message actions
if action_flag == MailKit.MEMessageActionFlagRed:
    print("Message has red flag")

Architecture

The MailKit framework follows Apple's Mail extension architecture:

Extension Types: Message decoders, encoders, security handlers, action handlers, content blockers, and compose handlers
Protocol-Based Design: Extensive use of protocols for defining extension capabilities
Asynchronous Operations: Completion handler pattern for long-running operations
Security Integration: Built-in support for message encryption, signing, and validation
Mail App Integration: Direct integration with macOS Mail application workflows

Capabilities

Message Classes

Core classes for representing and manipulating mail messages, including message state, encryption information, and decoded message handling.

class MEMessage: ...
class MEDecodedMessage: ...
class MEEmailAddress: ...

Message Classes

Security and Encryption

Comprehensive security functionality including message signing, encryption, security information management, and security handler protocols.

class MEMessageSecurityInformation:
    def initWithSigners_isEncrypted_signingError_encryptionError_(
        self, signers, isEncrypted: bool, signingError, encryptionError
    ): ...
    def isEncrypted(self) -> bool: ...
    def shouldBlockRemoteContent(self) -> bool: ...

class MEMessageSigner: ...
class MEEncodedOutgoingMessage: ...
class MEOutgoingMessageEncodingStatus: ...

Security and Encryption

Message Actions and Flags

Message action handling including flagging, coloring, and custom action decision workflows.

class MEMessageAction: ...
class MEMessageActionDecision: ...

# Action flags
MEMessageActionFlagNone: int            # = 0
MEMessageActionFlagDefaultColor: int    # = 1
MEMessageActionFlagRed: int             # = 2
MEMessageActionFlagOrange: int          # = 3
MEMessageActionFlagYellow: int          # = 4
MEMessageActionFlagGreen: int           # = 5
MEMessageActionFlagBlue: int            # = 6
MEMessageActionFlagPurple: int          # = 7
MEMessageActionFlagGray: int            # = 8

# Message colors  
MEMessageActionMessageColorNone: int     # = 0
MEMessageActionMessageColorGreen: int    # = 1
MEMessageActionMessageColorYellow: int   # = 2
MEMessageActionMessageColorOrange: int   # = 3
MEMessageActionMessageColorRed: int      # = 4
MEMessageActionMessageColorPurple: int   # = 5
MEMessageActionMessageColorBlue: int     # = 6
MEMessageActionMessageColorGray: int     # = 7

Message Actions

Compose Session Management

Email composition session handling including compose context, session handlers, and address annotation.

class MEComposeSession: ...
class MEComposeContext:
    def isEncrypted(self) -> bool: ...
    def shouldEncrypt(self) -> bool: ...
    def isSigned(self) -> bool: ...
    def shouldSign(self) -> bool: ...

class MEAddressAnnotation: ...

Compose Sessions

Extension Management

Extension manager for controlling Mail extensions, reloading content blockers, and managing visible messages.

class MEExtensionManager:
    def reloadContentBlockerWithIdentifier_completionHandler_(
        self, identifier: str, completionHandler
    ): ...
    def reloadVisibleMessagesWithCompletionHandler_(
        self, completionHandler
    ): ...

class MEExtensionViewController: ...

Extension Management

Protocols and Handlers

Protocol definitions for creating Mail extensions including message decoders, encoders, security handlers, action handlers, and content blockers.

# Protocol: MEMessageDecoder
def decodedMessageForMessageData_(self, messageData): ...

# Protocol: MEMessageEncoder  
def encodeMessage_composeContext_completionHandler_(
    self, message, composeContext, completionHandler
): ...

# Protocol: MEMessageSecurityHandler
def primaryActionClickedForMessageContext_completionHandler_(
    self, messageContext, completionHandler
): ...

# Protocol: MEMessageActionHandler
def decideActionForMessage_completionHandler_(
    self, message, completionHandler  
): ...

# Protocol: MEContentBlocker
def contentRulesJSON(self): ...

Protocols and Handlers

Constants and Enumerations

# Message States
MEMessageStateReceived: int    # = 0
MEMessageStateDraft: int       # = 1
MEMessageStateSending: int     # = 2

# Encryption States  
MEMessageEncryptionStateUnknown: int       # = 0
MEMessageEncryptionStateNotEncrypted: int  # = 1
MEMessageEncryptionStateEncrypted: int     # = 2

# Compose User Actions
MEComposeUserActionNewMessage: int  # = 1
MEComposeUserActionReply: int       # = 2
MEComposeUserActionReplyAll: int    # = 3
MEComposeUserActionForward: int     # = 4

# Error Domains
MEComposeSessionErrorDomain: str
MEMessageSecurityErrorDomain: str

# Error Codes
MEComposeSessionErrorCodeInvalidRecipients: int  # = 0
MEComposeSessionErrorCodeInvalidHeaders: int     # = 1
MEComposeSessionErrorCodeInvalidBody: int        # = 2
MEMessageSecurityEncodingError: int              # = 0
MEMessageSecurityDecodingError: int              # = 1

# Type annotations for enums
from typing import NewType
MEMessageSecurityErrorCode = NewType('MEMessageSecurityErrorCode', int)
MEMessageActionFlag = NewType('MEMessageActionFlag', int)
MEComposeSessionErrorCode = NewType('MEComposeSessionErrorCode', int)
MEMessageActionMessageColor = NewType('MEMessageActionMessageColor', int)
MEMessageEncryptionState = NewType('MEMessageEncryptionState', int)
MEMessageState = NewType('MEMessageState', int)
MEComposeUserAction = NewType('MEComposeUserAction', int)

This framework enables developers to create sophisticated Mail app extensions that can handle all aspects of email processing, security, and user interaction within the macOS Mail ecosystem.

Install with Tessl CLI

npx tessl i tessl/pypi-pyobjc-framework-mailkit

Workspace: tessl
Visibility: Public
Created: 6 months ago
Last updated: about 1 month ago
Describes: pkg:pypi/pyobjc-framework-mailkit@10.3.x