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Agentic Architecture Pattern: Version Control

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    """
Pattern 276: Version Control

Purpose: Agent version management with compatibility checking and upgrade paths
"""

from typing import Dict, Any, List, Optional, Set, Tuple
from dataclasses import dataclass, field
from datetime import datetime
from enum import Enum
from collections import defaultdict
import re


class VersionStatus(Enum):
    """Status of a version."""
    ACTIVE = "active"
    DEPRECATED = "deprecated"
    RETIRED = "retired"
    EXPERIMENTAL = "experimental"
    STABLE = "stable"


class CompatibilityLevel(Enum):
    """Compatibility level between versions."""
    COMPATIBLE = "compatible"
    BACKWARD_COMPATIBLE = "backward_compatible"
    BREAKING_CHANGE = "breaking_change"
    INCOMPATIBLE = "incompatible"


@dataclass
class Version:
    """Represents a version."""
    major: int
    minor: int
    patch: int
    
    def __str__(self) -> str:
        return f"{self.major}.{self.minor}.{self.patch}"
    
    def __eq__(self, other) -> bool:
        if not isinstance(other, Version):
            return False
        return self.major == other.major and self.minor == other.minor and self.patch == other.patch
    
    def __lt__(self, other) -> bool:
        if not isinstance(other, Version):
            return NotImplemented
        if self.major != other.major:
            return self.major < other.major
        if self.minor != other.minor:
            return self.minor < other.minor
        return self.patch  bool:
        return self == other or self  bool:
        return not self  bool:
        return not self  int:
        return hash((self.major, self.minor, self.patch))
    
    @classmethod
    def from_string(cls, version_str: str) -> 'Version':
        """Parse version from string (e.g., '1.2.3')."""
        match = re.match(r'^(\d+)\.(\d+)\.(\d+)$', version_str)
        if not match:
            raise ValueError(f"Invalid version format: {version_str}")
        return cls(int(match.group(1)), int(match.group(2)), int(match.group(3)))


@dataclass
class AgentVersion:
    """Represents an agent version."""
    version: Version
    status: VersionStatus
    release_date: datetime
    description: str
    breaking_changes: List[str] = field(default_factory=list)
    features: List[str] = field(default_factory=list)
    bug_fixes: List[str] = field(default_factory=list)
    dependencies: Dict[str, str] = field(default_factory=dict)  # agent_name -> version_string
    deprecated_features: List[str] = field(default_factory=list)
    metadata: Dict[str, Any] = field(default_factory=dict)


@dataclass
class UpgradePath:
    """Represents an upgrade path between versions."""
    from_version: Version
    to_version: Version
    steps: List[str]
    compatibility: CompatibilityLevel
    warnings: List[str] = field(default_factory=list)
    required_actions: List[str] = field(default_factory=list)


class VersionControl:
    """
    Implements version control pattern for agents.
    
    Features:
    - Version registration and tracking
    - Semantic versioning (major.minor.patch)
    - Compatibility checking
    - Upgrade path calculation
    - Deprecation management
    - Dependency resolution
    - Version comparison
    """
    
    def __init__(self):
        self.versions: Dict[Version, AgentVersion] = {}
        self.current_version: Optional[Version] = None
        self.compatibility_matrix: Dict[Tuple[Version, Version], CompatibilityLevel] = {}
        self.upgrade_paths: Dict[Tuple[Version, Version], UpgradePath] = {}
        
        # Statistics
        self.statistics = {
            "total_versions": 0,
            "active_versions": 0,
            "deprecated_versions": 0,
            "retired_versions": 0,
            "total_upgrades": 0,
            "current_version": None
        }
    
    def register_version(
        self,
        version_str: str,
        status: VersionStatus,
        description: str,
        breaking_changes: Optional[List[str]] = None,
        features: Optional[List[str]] = None,
        bug_fixes: Optional[List[str]] = None,
        dependencies: Optional[Dict[str, str]] = None
    ) -> Dict[str, Any]:
        """
        Register a new version.
        
        Args:
            version_str: Version string (e.g., '1.2.3')
            status: Version status
            description: Version description
            breaking_changes: List of breaking changes
            features: List of new features
            bug_fixes: List of bug fixes
            dependencies: Dependencies on other agents
            
        Returns:
            Status of registration
        """
        try:
            version = Version.from_string(version_str)
        except ValueError as e:
            return {
                "success": False,
                "message": str(e)
            }
        
        if version in self.versions:
            return {
                "success": False,
                "message": f"Version {version} already registered"
            }
        
        agent_version = AgentVersion(
            version=version,
            status=status,
            release_date=datetime.now(),
            description=description,
            breaking_changes=breaking_changes or [],
            features=features or [],
            bug_fixes=bug_fixes or [],
            dependencies=dependencies or {}
        )
        
        self.versions[version] = agent_version
        self.statistics["total_versions"] += 1
        
        if status == VersionStatus.ACTIVE:
            self.statistics["active_versions"] += 1
            if self.current_version is None or version > self.current_version:
                self.current_version = version
                self.statistics["current_version"] = str(version)
        elif status == VersionStatus.DEPRECATED:
            self.statistics["deprecated_versions"] += 1
        elif status == VersionStatus.RETIRED:
            self.statistics["retired_versions"] += 1
        
        return {
            "success": True,
            "version": str(version),
            "status": status.value,
            "message": f"Version {version} registered successfully"
        }
    
    def check_compatibility(
        self,
        from_version_str: str,
        to_version_str: str
    ) -> Dict[str, Any]:
        """
        Check compatibility between two versions.
        
        Args:
            from_version_str: Source version
            to_version_str: Target version
            
        Returns:
            Compatibility information
        """
        try:
            from_version = Version.from_string(from_version_str)
            to_version = Version.from_string(to_version_str)
        except ValueError as e:
            return {
                "success": False,
                "message": str(e)
            }
        
        if from_version not in self.versions or to_version not in self.versions:
            return {
                "success": False,
                "message": "One or both versions not registered"
            }
        
        # Check cached compatibility
        key = (from_version, to_version)
        if key in self.compatibility_matrix:
            compatibility = self.compatibility_matrix[key]
        else:
            # Calculate compatibility
            compatibility = self._calculate_compatibility(from_version, to_version)
            self.compatibility_matrix[key] = compatibility
        
        from_agent = self.versions[from_version]
        to_agent = self.versions[to_version]
        
        warnings = []
        if to_agent.breaking_changes:
            warnings.extend(to_agent.breaking_changes)
        
        return {
            "success": True,
            "from_version": str(from_version),
            "to_version": str(to_version),
            "compatibility": compatibility.value,
            "is_compatible": compatibility in [CompatibilityLevel.COMPATIBLE, CompatibilityLevel.BACKWARD_COMPATIBLE],
            "warnings": warnings,
            "breaking_changes": to_agent.breaking_changes
        }
    
    def _calculate_compatibility(
        self,
        from_version: Version,
        to_version: Version
    ) -> CompatibilityLevel:
        """Calculate compatibility between versions using semantic versioning."""
        if from_version == to_version:
            return CompatibilityLevel.COMPATIBLE
        
        to_agent = self.versions[to_version]
        
        # Check for breaking changes
        if to_agent.breaking_changes:
            return CompatibilityLevel.BREAKING_CHANGE
        
        # Semantic versioning rules
        if to_version.major > from_version.major:
            # Major version change - likely breaking
            return CompatibilityLevel.BREAKING_CHANGE
        elif to_version.major  from_version.minor:
            # Minor version upgrade - backward compatible
            return CompatibilityLevel.BACKWARD_COMPATIBLE
        elif to_version.minor  from_version.patch:
            # Patch upgrade - compatible
            return CompatibilityLevel.COMPATIBLE
        else:
            # Downgrade patch - may be incompatible
            return CompatibilityLevel.INCOMPATIBLE
    
    def get_upgrade_path(
        self,
        from_version_str: str,
        to_version_str: str
    ) -> Dict[str, Any]:
        """
        Get upgrade path between versions.
        
        Args:
            from_version_str: Source version
            to_version_str: Target version
            
        Returns:
            Upgrade path with steps and warnings
        """
        try:
            from_version = Version.from_string(from_version_str)
            to_version = Version.from_string(to_version_str)
        except ValueError as e:
            return {
                "success": False,
                "message": str(e)
            }
        
        if from_version not in self.versions or to_version not in self.versions:
            return {
                "success": False,
                "message": "One or both versions not registered"
            }
        
        # Check cached upgrade path
        key = (from_version, to_version)
        if key in self.upgrade_paths:
            path = self.upgrade_paths[key]
        else:
            # Calculate upgrade path
            path = self._calculate_upgrade_path(from_version, to_version)
            self.upgrade_paths[key] = path
        
        return {
            "success": True,
            "from_version": str(from_version),
            "to_version": str(to_version),
            "compatibility": path.compatibility.value,
            "steps": path.steps,
            "warnings": path.warnings,
            "required_actions": path.required_actions,
            "can_upgrade": path.compatibility != CompatibilityLevel.INCOMPATIBLE
        }
    
    def _calculate_upgrade_path(
        self,
        from_version: Version,
        to_version: Version
    ) -> UpgradePath:
        """Calculate upgrade path between versions."""
        compatibility = self._calculate_compatibility(from_version, to_version)
        
        steps = []
        warnings = []
        required_actions = []
        
        from_agent = self.versions[from_version]
        to_agent = self.versions[to_version]
        
        # Find intermediate versions for major upgrades
        if to_version.major > from_version.major:
            # Need to upgrade through each major version
            current = from_version
            intermediate_versions = sorted([
                v for v in self.versions.keys()
                if current.major < v.major  Dict[str, Any]:
        """Mark a version as deprecated."""
        try:
            version = Version.from_string(version_str)
        except ValueError as e:
            return {
                "success": False,
                "message": str(e)
            }
        
        if version not in self.versions:
            return {
                "success": False,
                "message": f"Version {version} not registered"
            }
        
        agent_version = self.versions[version]
        old_status = agent_version.status
        
        agent_version.status = VersionStatus.DEPRECATED
        
        if old_status == VersionStatus.ACTIVE:
            self.statistics["active_versions"] -= 1
            self.statistics["deprecated_versions"] += 1
        
        return {
            "success": True,
            "version": str(version),
            "message": f"Version {version} marked as deprecated"
        }
    
    def retire_version(self, version_str: str) -> Dict[str, Any]:
        """Mark a version as retired."""
        try:
            version = Version.from_string(version_str)
        except ValueError as e:
            return {
                "success": False,
                "message": str(e)
            }
        
        if version not in self.versions:
            return {
                "success": False,
                "message": f"Version {version} not registered"
            }
        
        agent_version = self.versions[version]
        old_status = agent_version.status
        
        agent_version.status = VersionStatus.RETIRED
        
        if old_status == VersionStatus.ACTIVE:
            self.statistics["active_versions"] -= 1
            self.statistics["retired_versions"] += 1
        elif old_status == VersionStatus.DEPRECATED:
            self.statistics["deprecated_versions"] -= 1
            self.statistics["retired_versions"] += 1
        
        return {
            "success": True,
            "version": str(version),
            "message": f"Version {version} marked as retired"
        }
    
    def get_version_info(self, version_str: str) -> Dict[str, Any]:
        """Get detailed information about a version."""
        try:
            version = Version.from_string(version_str)
        except ValueError as e:
            return {
                "success": False,
                "message": str(e)
            }
        
        if version not in self.versions:
            return {
                "success": False,
                "message": f"Version {version} not registered"
            }
        
        agent_version = self.versions[version]
        
        return {
            "success": True,
            "version": str(version),
            "status": agent_version.status.value,
            "release_date": agent_version.release_date.isoformat(),
            "description": agent_version.description,
            "features": agent_version.features,
            "bug_fixes": agent_version.bug_fixes,
            "breaking_changes": agent_version.breaking_changes,
            "deprecated_features": agent_version.deprecated_features,
            "dependencies": agent_version.dependencies
        }
    
    def list_versions(
        self,
        status_filter: Optional[VersionStatus] = None
    ) -> Dict[str, Any]:
        """List all versions, optionally filtered by status."""
        versions_list = []
        
        for version, agent_version in sorted(self.versions.items(), reverse=True):
            if status_filter is None or agent_version.status == status_filter:
                versions_list.append({
                    "version": str(version),
                    "status": agent_version.status.value,
                    "release_date": agent_version.release_date.isoformat(),
                    "description": agent_version.description,
                    "is_current": version == self.current_version
                })
        
        return {
            "total": len(versions_list),
            "versions": versions_list
        }
    
    def get_statistics(self) -> Dict[str, Any]:
        """Get version control statistics."""
        return {
            "total_versions": self.statistics["total_versions"],
            "active_versions": self.statistics["active_versions"],
            "deprecated_versions": self.statistics["deprecated_versions"],
            "retired_versions": self.statistics["retired_versions"],
            "total_upgrades": self.statistics["total_upgrades"],
            "current_version": self.statistics["current_version"]
        }


class VersionControlPattern:
    """
    Coordinator for version control management.
    
    Manages agent versions with compatibility checking and upgrades.
    """
    
    def __init__(self):
        self.control = VersionControl()
    
    def register_version(self, version_str: str, **kwargs) -> Dict[str, Any]:
        """Register a new version."""
        return self.control.register_version(version_str, **kwargs)
    
    def check_compatibility(self, from_version: str, to_version: str) -> Dict[str, Any]:
        """Check compatibility between versions."""
        return self.control.check_compatibility(from_version, to_version)
    
    def get_upgrade_path(self, from_version: str, to_version: str) -> Dict[str, Any]:
        """Get upgrade path."""
        return self.control.get_upgrade_path(from_version, to_version)
    
    def get_version_info(self, version: str) -> Dict[str, Any]:
        """Get version information."""
        return self.control.get_version_info(version)
    
    def list_versions(self, status_filter: Optional[VersionStatus] = None) -> Dict[str, Any]:
        """List versions."""
        return self.control.list_versions(status_filter)
    
    def get_statistics(self) -> Dict[str, Any]:
        """Get statistics."""
        return self.control.get_statistics()


# Example usage
if __name__ == "__main__":
    print("=== Version Control Demo ===\n")
    
    # Create version control
    pattern = VersionControlPattern()
    
    print("1. Registering versions...")
    pattern.register_version(
        "1.0.0",
        status=VersionStatus.DEPRECATED,
        description="Initial release",
        features=["Basic functionality"],
        bug_fixes=[]
    )
    
    pattern.register_version(
        "1.1.0",
        status=VersionStatus.DEPRECATED,
        description="Feature update",
        features=["Advanced search", "User profiles"],
        bug_fixes=["Fixed memory leak", "Improved performance"]
    )
    
    pattern.register_version(
        "2.0.0",
        status=VersionStatus.ACTIVE,
        description="Major update with breaking changes",
        features=["New API", "Improved architecture"],
        bug_fixes=["Critical security fix"],
        breaking_changes=["API endpoint changes", "Configuration format changed"]
    )
    
    pattern.register_version(
        "2.1.0",
        status=VersionStatus.ACTIVE,
        description="Feature additions",
        features=["Real-time updates", "Export functionality"],
        bug_fixes=["Fixed edge case bugs"]
    )
    
    versions = pattern.list_versions()
    print(f"  Total versions: {versions['total']}")
    for v in versions['versions']:
        current_marker = " (current)" if v['is_current'] else ""
        print(f"    - {v['version']}: {v['status']}{current_marker}")
    
    # Check compatibility
    print("\n2. Checking compatibility...")
    compat = pattern.check_compatibility("1.1.0", "2.0.0")
    print(f"  1.1.0 → 2.0.0: {compat['compatibility']}")
    print(f"  Is compatible: {compat['is_compatible']}")
    if compat['breaking_changes']:
        print(f"  Breaking changes: {', '.join(compat['breaking_changes'])}")
    
    compat = pattern.check_compatibility("2.0.0", "2.1.0")
    print(f"\n  2.0.0 → 2.1.0: {compat['compatibility']}")
    print(f"  Is compatible: {compat['is_compatible']}")
    
    # Get upgrade path
    print("\n3. Getting upgrade paths...")
    path = pattern.get_upgrade_path("1.1.0", "2.1.0")
    print(f"  Upgrade from 1.1.0 to 2.1.0:")
    print(f"  Can upgrade: {path['can_upgrade']}")
    print(f"  Compatibility: {path['compatibility']}")
    print(f"\n  Steps:")
    for i, step in enumerate(path['steps'], 1):
        print(f"    {i}. {step}")
    if path['warnings']:
        print(f"\n  Warnings:")
        for warning in path['warnings']:
            print(f"    - {warning}")
    if path['required_actions']:
        print(f"\n  Required actions:")
        for action in path['required_actions']:
            print(f"    - {action}")
    
    # Version info
    print("\n4. Version details:")
    info = pattern.get_version_info("2.0.0")
    if info['success']:
        print(f"  Version: {info['version']}")
        print(f"  Status: {info['status']}")
        print(f"  Description: {info['description']}")
        print(f"  Features: {', '.join(info['features'])}")
        print(f"  Breaking changes: {', '.join(info['breaking_changes'])}")
    
    # Statistics
    print("\n5. Statistics:")
    stats = pattern.get_statistics()
    print(f"  Total versions: {stats['total_versions']}")
    print(f"  Active: {stats['active_versions']}")
    print(f"  Deprecated: {stats['deprecated_versions']}")
    print(f"  Current version: {stats['current_version']}")
    
    print("\n✓ Comprehensive version control with compatibility checking complete!")

Agentic Architecture Pattern: Version Control

Pattern 276: 276 Version Control – Line-by-Line Explanation

Overview

Pattern 276: Version Control

Purpose: Agent version management with compatibility checking and upgrade paths

Code Structure Analysis

File Information

  • Pattern Number: 276
  • Pattern Name: 276 Version Control
  • File Path: patterns\deployment\276_version_control.py
  • Total Lines: 667

Detailed Code Explanation

Module Docstring

"""
Pattern 276: Version Control

Purpose: Agent version management with compatibility checking and upgrade paths
"""

Explanation: This module docstring describes the purpose and key features of the 276 Version Control pattern.

Imports Section

from typing import Dict, Any, List, Optional, Set, Tuple
from dataclasses import dataclass, field
from datetime import datetime
from enum import Enum
from collections import defaultdict
import re  # First 20 imports shown

Explanation: The module imports necessary dependencies: – from typing import Dict, Any, List, Optional, Set, Tuple: Type hints for better code documentation – from dataclasses import dataclass, field: Data class decorators for clean data structures – from datetime import datetime: Date and time utilities – from enum import Enum: Enumeration support for fixed sets of values

Enumerations

VersionStatus (Line 15)

class VersionStatus(Enum):
    ACTIVE
    DEPRECATED
    RETIRED
    EXPERIMENTAL
    STABLE

Purpose: Status of a version.

Values: – ACTIVE: Currently operational – DEPRECATED: Represents deprecated – RETIRED: Represents retired – EXPERIMENTAL: Represents experimental – STABLE: Represents stable

CompatibilityLevel (Line 24)

class CompatibilityLevel(Enum):
    COMPATIBLE
    BACKWARD_COMPATIBLE
    BREAKING_CHANGE
    INCOMPATIBLE

Purpose: Compatibility level between versions.

Values: – COMPATIBLE: Represents compatible – BACKWARD_COMPATIBLE: Represents backward compatible – BREAKING_CHANGE: Represents breaking change – INCOMPATIBLE: Represents incompatible

Classes

VersionStatus (Line 15)

Description: Status of a version.

CompatibilityLevel (Line 24)

Description: Compatibility level between versions.

Version (Line 33)

Description: Represents a version.

Methods:

__str__ (Line 39)
def __str__(self):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference

__eq__ (Line 42)
def __eq__(self, other):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference – other: Parameter for other

__lt__ (Line 47)
def __lt__(self, other):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference – other: Parameter for other

__le__ (Line 56)
def __le__(self, other):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference – other: Parameter for other

__gt__ (Line 59)
def __gt__(self, other):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference – other: Parameter for other

__ge__ (Line 62)
def __ge__(self, other):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference – other: Parameter for other

__hash__ (Line 65)
def __hash__(self):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference

from_string (Line 69)
def from_string(cls, version_str):
    """Parse version from string (e.g., '1.2.3')."""

Purpose: Parse version from string (e.g., ‘1.2.3’).

Parameters: – cls: Parameter for cls – version_str: Parameter for version_str

AgentVersion (Line 78)

Description: Represents an agent version.

UpgradePath (Line 93)

Description: Represents an upgrade path between versions.

VersionControl (Line 103)

Description: Implements version control pattern for agents.

Features: – Version registration and tracking – Semantic versioning (major.minor.patch) – Compatibility checking – Upgrade path calculation – Deprecation management – Dependency resolution – Version comparison

Methods:

__init__ (Line 117)
def __init__(self):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference

register_version (Line 133)
def register_version(self, version_str, status, description, breaking_changes, features, bug_fixes, dependencies):
    """Register a new version.

Args:
    version_str: Version string (e.g., '1.2.3')
    status: Version status
    description: Version description
    breaking_changes: List of breaking changes
    features: List of new features
    bug_fixes: List of bug fixes
    dependencies: Dependencies on other agents

Returns:
    Status of registration"""

Purpose: Register a new version.

Args: version_str: Version string (e.g., ‘1.2.3’) status: Version status description: Version description breaking_changes: List of breaking changes features: List of new features bug_fixes: List of bug fixes dependencies: Dependencies on other agents

Returns: Status of registration

Parameters: – self: Instance reference – version_str: Parameter for version_str – status: Parameter for status – description: Parameter for description – breaking_changes: Parameter for breaking_changes – features: Parameter for features – bug_fixes: Parameter for bug_fixes – dependencies: Parameter for dependencies

check_compatibility (Line 203)
def check_compatibility(self, from_version_str, to_version_str):
    """Check compatibility between two versions.

Args:
    from_version_str: Source version
    to_version_str: Target version

Returns:
    Compatibility information"""

Purpose: Check compatibility between two versions.

Args: from_version_str: Source version to_version_str: Target version

Returns: Compatibility information

Parameters: – self: Instance reference – from_version_str: Parameter for from_version_str – to_version_str: Parameter for to_version_str

_calculate_compatibility (Line 259)
def _calculate_compatibility(self, from_version, to_version):
    """Calculate compatibility between versions using semantic versioning."""

Purpose: Calculate compatibility between versions using semantic versioning.

Parameters: – self: Instance reference – from_version: Parameter for from_version – to_version: Parameter for to_version

get_upgrade_path (Line 294)
def get_upgrade_path(self, from_version_str, to_version_str):
    """Get upgrade path between versions.

Args:
    from_version_str: Source version
    to_version_str: Target version

Returns:
    Upgrade path with steps and warnings"""

Purpose: Get upgrade path between versions.

Args: from_version_str: Source version to_version_str: Target version

Returns: Upgrade path with steps and warnings

Parameters: – self: Instance reference – from_version_str: Parameter for from_version_str – to_version_str: Parameter for to_version_str

_calculate_upgrade_path (Line 344)
def _calculate_upgrade_path(self, from_version, to_version):
    """Calculate upgrade path between versions."""

Purpose: Calculate upgrade path between versions.

Parameters: – self: Instance reference – from_version: Parameter for from_version – to_version: Parameter for to_version

deprecate_version (Line 406)
def deprecate_version(self, version_str):
    """Mark a version as deprecated."""

Purpose: Mark a version as deprecated.

Parameters: – self: Instance reference – version_str: Parameter for version_str

retire_version (Line 437)
def retire_version(self, version_str):
    """Mark a version as retired."""

Purpose: Mark a version as retired.

Parameters: – self: Instance reference – version_str: Parameter for version_str

get_version_info (Line 471)
def get_version_info(self, version_str):
    """Get detailed information about a version."""

Purpose: Get detailed information about a version.

Parameters: – self: Instance reference – version_str: Parameter for version_str

list_versions (Line 502)
def list_versions(self, status_filter):
    """List all versions, optionally filtered by status."""

Purpose: List all versions, optionally filtered by status.

Parameters: – self: Instance reference – status_filter: Parameter for status_filter

get_statistics (Line 524)
def get_statistics(self):
    """Get version control statistics."""

Purpose: Get version control statistics.

Parameters: – self: Instance reference

VersionControlPattern (Line 536)

Description: Coordinator for version control management.

Manages agent versions with compatibility checking and upgrades.

Methods:

__init__ (Line 543)
def __init__(self):
    """No method docstring."""

Purpose: No method docstring.

Parameters: – self: Instance reference

register_version (Line 546)
def register_version(self, version_str):
    """Register a new version."""

Purpose: Register a new version.

Parameters: – self: Instance reference – version_str: Parameter for version_str

check_compatibility (Line 550)
def check_compatibility(self, from_version, to_version):
    """Check compatibility between versions."""

Purpose: Check compatibility between versions.

Parameters: – self: Instance reference – from_version: Parameter for from_version – to_version: Parameter for to_version

get_upgrade_path (Line 554)
def get_upgrade_path(self, from_version, to_version):
    """Get upgrade path."""

Purpose: Get upgrade path.

Parameters: – self: Instance reference – from_version: Parameter for from_version – to_version: Parameter for to_version

get_version_info (Line 558)
def get_version_info(self, version):
    """Get version information."""

Purpose: Get version information.

Parameters: – self: Instance reference – version: Parameter for version

list_versions (Line 562)
def list_versions(self, status_filter):
    """List versions."""

Purpose: List versions.

Parameters: – self: Instance reference – status_filter: Parameter for status_filter

get_statistics (Line 566)
def get_statistics(self):
    """Get statistics."""

Purpose: Get statistics.

Parameters: – self: Instance reference

Design Patterns Used

  • Strategy Pattern: Different execution strategies for various scenarios
  • State Pattern: Managing different states in the workflow
  • Chain of Responsibility: Sequential processing through workflow nodes
  • Observer Pattern: Tracking and monitoring pattern execution
  • Factory Pattern: Creating instances with proper configuration

Usage Example

# Initialize the pattern
pattern = VersionStatus(name="example", model_name="gpt-4")

# Configure and execute
result = pattern.execute(data={"key": "value"})

# Check results
print(result)

Key Concepts

  • LLM Integration: Uses LangChain/OpenAI for intelligent decision-making
  • Workflow Orchestration: LangGraph manages execution flow through nodes
  • State Management: TypedDict defines workflow state structure
  • Error Handling: Comprehensive error handling and fallback mechanisms
  • Extensibility: Designed for easy customization and extension

Extension Points

This pattern can be extended by: 1. Adding custom workflow nodes 2. Implementing additional validation logic 3. Integrating with external services 4. Customizing LLM prompts and responses 5. Adding monitoring and logging capabilities

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