dill

import dill

import dill as pickle  # Drop-in replacement for pickle
from dill import dump, dumps, load, loads  # Direct function imports

import dill

# Basic serialization - works like pickle but handles more types
def example_function():
    return "Hello from dill!"

# Serialize function to bytes
serialized = dill.dumps(example_function)

# Deserialize function
restored_function = dill.loads(serialized)
result = restored_function()  # "Hello from dill!"

# Serialize to file
with open('function.pkl', 'wb') as f:
    dill.dump(example_function, f)

# Load from file
with open('function.pkl', 'rb') as f:
    loaded_function = dill.load(f)

def dump(obj, file, protocol=None, byref=None, fmode=None, recurse=None, **kwds):
    """
    Serialize object to a file.
    
    Parameters:
    - obj: object to serialize
    - file: file-like object to write to
    - protocol: int, pickle protocol version (default: DEFAULT_PROTOCOL)
    - byref: bool, pickle by reference when possible
    - fmode: int, file mode for handle management
    - recurse: bool, recursively pickle nested objects
    - **kwds: additional keyword arguments
    
    Returns:
    None
    """

def dumps(obj, protocol=None, byref=None, fmode=None, recurse=None, **kwds):
    """
    Serialize object to a bytes string.
    
    Parameters:
    - obj: object to serialize
    - protocol: int, pickle protocol version (default: DEFAULT_PROTOCOL) 
    - byref: bool, pickle by reference when possible
    - fmode: int, file mode for handle management
    - recurse: bool, recursively pickle nested objects
    - **kwds: additional keyword arguments
    
    Returns:
    bytes: serialized object as bytes string
    """

def load(file, ignore=None, **kwds):
    """
    Deserialize object from a file.
    
    Parameters:
    - file: file-like object to read from
    - ignore: bool, ignore certain unpickling errors
    - **kwds: additional keyword arguments
    
    Returns:
    object: deserialized object
    """

def loads(str, ignore=None, **kwds):
    """
    Deserialize object from a bytes string.
    
    Parameters:
    - str: bytes string containing serialized object
    - ignore: bool, ignore certain unpickling errors  
    - **kwds: additional keyword arguments
    
    Returns:
    object: deserialized object
    """

def copy(obj, *args, **kwds):
    """
    Create a deep copy of an object using serialization.
    
    Parameters:
    - obj: object to copy
    - *args: positional arguments passed to dumps/loads
    - **kwds: keyword arguments passed to dumps/loads
    
    Returns:
    object: deep copy of the input object
    """

class Pickler:
    """
    Extended pickler with additional capabilities for complex objects.
    
    Provides enhanced serialization support beyond standard pickle.Pickler,
    including functions, classes, and other previously unpickleable types.
    """

class Unpickler:
    """
    Extended unpickler with additional capabilities for complex objects.
    
    Provides enhanced deserialization support beyond standard pickle.Unpickler,
    with improved error handling and type restoration.
    """

def dump_session(filename=None, main=None, byref=False, **kwds):
    """
    Save interpreter session to a file.
    
    Parameters:
    - filename: str, output filename (default: temporary file)
    - main: module, main module to save (default: __main__)
    - byref: bool, pickle by reference when possible
    - **kwds: additional keyword arguments
    
    Returns:
    None
    """

def load_session(filename=None, main=None, **kwds):
    """
    Load interpreter session from a file.
    
    Parameters:
    - filename: str, input filename
    - main: module, target module (default: __main__)
    - **kwds: additional keyword arguments
    
    Returns:
    None
    """

def dump_module(name=None, module=None, main=None, **kwds):
    """
    Save a module to a file.
    
    Parameters:
    - name: str, output filename
    - module: module, module object to save
    - main: module, main module context
    - **kwds: additional keyword arguments
    
    Returns:
    None
    """

def load_module(name=None, module=None, main=None, **kwds):
    """
    Load a module from a file.
    
    Parameters:
    - name: str, input filename
    - module: str, module name to load into
    - main: module, main module context
    - **kwds: additional keyword arguments
    
    Returns:
    module: loaded module object
    """

def getsource(object, alias='', lstrip=False, enclosing=False, force=False, builtin=False):
    """
    Get source code for an object.
    
    Parameters:
    - object: object to get source for (module, class, method, function, traceback, frame, or code object)
    - alias: str, alias name for the object (adds line of code that renames the object)
    - lstrip: bool, ensure there is no indentation in the first line of code
    - enclosing: bool, include enclosing code and dependencies
    - force: bool, catch (TypeError,IOError) and try to use import hooks
    - builtin: bool, force an import for any builtins
    
    Returns:
    str: source code as single string
    
    Raises:
    - IOError: when source code cannot be retrieved
    - TypeError: for objects where source code is unavailable (e.g. builtins)
    """

def getimport(obj, alias='', verify=True, builtin=False, enclosing=False):
    """
    Get the likely import string for the given object.
    
    Parameters:
    - obj: object to inspect and generate import for
    - alias: str, alias name to use (renames the object on import)
    - verify: bool, test the import string before returning it
    - builtin: bool, force an import for builtins where possible
    - enclosing: bool, get the import for the outermost enclosing callable
    
    Returns:
    str: import statement as string
    """

def pickles(obj, exact=False, safe=False, **kwds):
    """
    Check if an object can be pickled.
    
    Parameters:
    - obj: object to test for pickling capability
    - exact: bool, use exact type matching for compatibility testing
    - safe: bool, use safe mode to avoid side effects during testing
    - **kwds: additional keyword arguments passed to dumps/loads
    
    Returns:
    bool: True if object can be pickled and unpickled successfully
    """

def check(obj, *args, **kwds):
    """
    Check for pickling errors and print diagnostic information.
    
    Parameters:
    - obj: object to check for pickling errors
    - *args: positional arguments passed to pickles()
    - **kwds: keyword arguments passed to pickles()
    
    Returns:
    bool: True if no errors found, False if pickling issues detected
    """

def baditems(obj, exact=False, safe=False):
    """
    Find objects that cannot be pickled within a complex structure.
    
    Parameters:
    - obj: object to analyze for unpickleable items
    - exact: bool, use exact type matching for analysis
    - safe: bool, use safe mode to avoid side effects
    
    Returns:
    list: list of unpickleable objects found in the structure
    """

def badobjects(obj, depth=0, exact=False, safe=False):
    """
    Get objects that fail to pickle.
    
    Parameters:
    - obj: object to analyze
    - depth: int, analysis depth (0 for immediate object only, >0 for recursive analysis)
    - exact: bool, use exact type matching
    - safe: bool, use safe mode to avoid side effects
    
    Returns:
    object or dict: at depth=0 returns the object if it fails to pickle (None if it pickles), 
    at depth>0 returns dict mapping attribute names to bad objects
    """

def errors(obj, depth=0, exact=False, safe=False):
    """
    Get detailed pickling error information.
    
    Parameters:
    - obj: object to analyze for errors
    - depth: int, analysis depth (0 for immediate object only, >0 for recursive analysis)
    - exact: bool, use exact type matching
    - safe: bool, use safe mode to avoid side effects
    
    Returns:
    Exception or dict: detailed error information for pickling failures
    """

def register(t):
    """
    Register a type with the pickler.
    
    Parameters:
    - t: type, type to register
    
    Returns:
    function: decorator function
    """

def pickle(t, func):
    """
    Add a type to the pickle dispatch table.
    
    Parameters:
    - t: type, type to add
    - func: function, pickling function for the type
    
    Returns:
    None
    """

def extend(use_dill=True):
    """
    Add or remove dill types to/from the pickle registry.
    
    Parameters:
    - use_dill: bool, if True extend dispatch table, if False revert
    
    Returns:
    None
    """

def dump(object, **kwds):
    """
    Dump object to a NamedTemporaryFile using dill.dump.
    
    Parameters:
    - object: object to serialize to temporary file
    - **kwds: optional keyword arguments including suffix, prefix, and NamedTemporaryFile options
    
    Returns:
    file handle: NamedTemporaryFile handle containing serialized object
    """

def load(file, **kwds):
    """
    Load an object that was stored with dill.temp.dump.
    
    Parameters:
    - file: file handle or str, file handle or path to file containing serialized object
    - **kwds: optional keyword arguments including mode ('r' or 'rb', default: 'rb')
    
    Returns:
    object: deserialized object
    """

def capture(stream='stdout'):
    """
    Capture stdout or stderr stream.
    
    Parameters:
    - stream: str, stream name ('stdout' or 'stderr')
    
    Returns:
    context manager for stream capture
    """

# Global settings dictionary
settings = {
    'protocol': DEFAULT_PROTOCOL,  # Default pickle protocol  
    'byref': False,               # Pickle by reference
    'fmode': 0,                   # File mode setting
    'recurse': False,             # Recursive pickling
    'ignore': False               # Ignore errors
}