Displays all the attribute information about a Python object

reveal.py

#!/usr/bin/env python3

class Colors:
    CYAN = '\033[96m'
    MAGENTA = '\033[95m'
    BLUE = '\033[94m'
    GREEN = '\033[92m'
    YELLOW = '\033[93m'
    RED = '\033[91m'
    RESET = '\033[0m'
    DIM = '\033[2m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'


def reveal(obj, **kwargs):
    """
    Prints all the attributes and values of an object.
    
    Optionally prints: 
        - the attribute types
        - built-in attributes
        - private attributes

    Optionally specify a list of the only attributes to print the 
    values of. If empty, all attributes will be printed.

    kwargs:
        show_types {bool} (default: True)
        show_builtins {bool} (default: False)
        show_privates {bool} (default: False)
        attrs {list|set} (default: list())
    """

    show_types = kwargs.get('show_types', True)
    show_builtins = kwargs.get('show_builtins', False)
    show_privates = kwargs.get('show_privates', True)
    show_only = set(kwargs.get('attrs', list()))
    has_exclusions = len(show_only)

    def is_builtin(attr):
        return attr.startswith('__')

    def is_private(attr):
        return attr.startswith('_')

    def key_color(attr):
        # Determine the key color based on the key type
        if is_builtin(attr):
            return Colors.GREEN
        elif is_private(attr):
            return Colors.YELLOW
        else:
            return Colors.CYAN

    # filter out undesirable content
    for attr in dir(obj):
        if not show_builtins and is_builtin(attr):
            continue
        elif not show_privates and is_private(attr):
            continue
        elif has_exclusions and attr not in show_only:
            continue

        # add color to the output
        attr_key = f'{key_color(attr)}{attr}{Colors.RESET}'

        # determine the printabler attribute value
        try:
            attr_val = getattr(obj, attr)
            attr_type = f'{Colors.MAGENTA}{type(attr_val)}{Colors.RESET}' if show_types else ''
            attr_equality = f'{Colors.DIM}={Colors.RESET}'
        except Exception as e:
            attr_val = f'{Colors.RED}Unable to print value{Colors.RESET}'
            attr_type = ''
            attr_equality = ''

        # print the content
        print(f'{attr_key} {attr_type} {attr_equality} {attr_val}')

reveal_py2.py

#!/usr/bin/env python2

class Colors(object):
    CYAN = u'\033[96m'
    MAGENTA = u'\033[95m'
    BLUE = u'\033[94m'
    GREEN = u'\033[92m'
    YELLOW = u'\033[93m'
    RED = u'\033[91m'
    RESET = u'\033[0m'
    DIM = u'\033[2m'
    BOLD = u'\033[1m'
    UNDERLINE = u'\033[4m'


def reveal(obj, **kwargs):
    """
    Prints all the attributes and values of an object.
    
    Optionally prints: 
        - the attribute types
        - built-in attributes
        - private attributes

    Optionally specify a list of the only attributes to print the 
    values of. If empty, all attributes will be printed.

    kwargs:
        show_types {bool} (default: True)
        show_builtins {bool} (default: False)
        show_privates {bool} (default: False)
        attrs {list|set} (default: list())
    """

    show_types = kwargs.get('show_types', True)
    show_builtins = kwargs.get('show_builtins', False)
    show_privates = kwargs.get('show_privates', True)
    show_only = set(kwargs.get('attrs', list()))
    has_exclusions = len(show_only)

    def is_builtin(attr):
        return attr.startswith('__')

    def is_private(attr):
        return attr.startswith('_')

    def key_color(attr):
        # Determine the key color based on the key type
        if is_builtin(attr):
            return Colors.GREEN
        elif is_private(attr):
            return Colors.YELLOW
        else:
            return Colors.CYAN

    # filter out undesirable content
    for attr in dir(obj):
        if not show_builtins and is_builtin(attr):
            continue
        elif not show_privates and is_private(attr):
            continue
        elif has_exclusions and attr not in show_only:
            continue

        # add color to the output
        attr_key = key_color(attr) + attr + Colors.RESET

        # determine the printabler attribute value
        try:
            attr_val = getattr(obj, attr)
            attr_type = Colors.MAGENTA + str(type(attr_val)) + Colors.RESET if show_types else ''
            attr_equality = Colors.DIM + '=' + Colors.RESET
        except Exception as e:
            attr_val = Colors.RED + 'Unable to print value' + Colors.RESET
            attr_type = ''
            attr_equality = ''

        # print the content
        print str(attr_key) + ' ' + str(attr_type) + ' ' + str(attr_equality) + ' ' + str(attr_val)