Configuration Management

def find_default_config_files():
    """
    Locate default configuration files.
    
    Searches for configuration files in standard locations:
    - Current directory: .pylintrc, pylintrc, pyproject.toml, setup.cfg
    - User home directory: ~/.pylintrc
    - System directories: /etc/pylintrc
    
    Returns:
        list: Paths to found configuration files
    """

def find_pylintrc():
    """
    Find pylintrc configuration file.
    
    Searches in order of precedence:
    1. PYLINTRC environment variable
    2. Current directory .pylintrc
    3. Parent directories (walking up)
    4. User home ~/.pylintrc
    5. System /etc/pylintrc
    
    Returns:
        str: Path to pylintrc file or None
    """

def read_config_file(config_file, verbose=False):
    """
    Read configuration from file.
    
    Supports multiple configuration file formats:
    - .pylintrc (INI format)
    - pyproject.toml (TOML format) 
    - setup.cfg (INI format)
    
    Args:
        config_file (str): Path to configuration file
        verbose (bool): Enable verbose output
        
    Returns:
        dict: Parsed configuration options
    """

class ArgumentsManager:
    """
    Command-line argument management.
    
    Handles parsing, validation, and processing of command-line
    arguments and configuration file options.
    """
    
    def __init__(self, prog, description):
        """
        Initialize arguments manager.
        
        Args:
            prog (str): Program name
            description (str): Program description
        """
    
    def add_optik_option(self, *args, **kwargs):
        """
        Add command-line option.
        
        Args:
            *args: Option names (e.g., '--disable', '-d')
            **kwargs: Option configuration
        """
    
    def register_options_provider(self, provider, own_group=True):
        """
        Register options provider.
        
        Args:
            provider: Object providing configuration options
            own_group (bool): Create separate option group
        """
    
    def load_config_file(self):
        """Load configuration from file."""
    
    def load_command_line_configuration(self, args=None):
        """
        Load configuration from command line.
        
        Args:
            args (list): Command line arguments
        """

class ArgumentsProvider:
    """
    Base class for configuration providers.
    
    Provides interface for objects that contribute
    configuration options to the argument manager.
    """
    
    name: str  # Provider name
    options: tuple  # Configuration options
    priority: int  # Loading priority
    
    def load_defaults(self):
        """Load default option values."""
    
    def option_value(self, opt):
        """
        Get option value.
        
        Args:
            opt (str): Option name
            
        Returns:
            Option value
        """

def _config_initialization(linter, args_list, reporter=None, config_file=None):
    """
    Initialize configuration system.
    
    Handles the complete configuration initialization process:
    1. Load configuration files
    2. Process command-line arguments  
    3. Set up reporters
    4. Validate configuration
    
    Args:
        linter: PyLinter instance
        args_list (list): Command-line arguments
        reporter: Custom reporter instance
        config_file (str): Specific configuration file path
    """

[MAIN]
# Python code to execute, usually for sys.path manipulation
init-hook=

# Files or directories to be skipped
ignore=tests,docs

# Regexp for files/directories to be skipped
ignore-patterns=

# Use multiple processes to speed up Pylint
jobs=1

# List of plugins to load
load-plugins=

# Discover python modules and packages in the file system subtree
recursive=no

[MESSAGES CONTROL]
# Only show warnings with the listed confidence levels
confidence=

# Disable the message, report, category or checker
disable=missing-docstring,
        invalid-name

# Enable the message, report, category or checker  
enable=c-extension-no-member

[REPORTS]
# Set the output format
output-format=text

# Include message's id in output
include-ids=no

# Template for displaying messages
msg-template={path}:{line}: [{msg_id}({symbol}), {obj}] {msg}

# Set the cache size for astroid objects
extension-pkg-whitelist=

[REFACTORING]
# Maximum number of nested blocks for function/method body
max-nested-blocks=5

# Complete name of functions that never returns
never-returning-functions=sys.exit

[BASIC]
# Naming style matching correct argument names
argument-naming-style=snake_case

# Regular expression matching correct argument names
argument-rgx=[a-z_][a-z0-9_]{2,30}$

# Naming style matching correct variable names
variable-naming-style=snake_case

# Good variable names which should always be accepted
good-names=i,j,k,ex,Run,_

# Bad variable names which should always be refused
bad-names=foo,bar,baz,toto,tutu,tata

[FORMAT]
# Maximum number of characters on a single line
max-line-length=100

# Maximum number of lines in a module
max-module-lines=1000

# String used as indentation unit
indent-string='    '

# Expected format of line ending
expected-line-ending-format=

[LOGGING]
# Format style used to check logging format string
logging-format-style=old

# Logging modules to check that the string format arguments are in logging function parameter format
logging-modules=logging

[MISCELLANEOUS]  
# List of note tags to take in consideration
notes=FIXME,XXX,TODO

[SIMILARITIES]
# Minimum lines number of a similarity
min-similarity-lines=4

# Ignore comments when computing similarities
ignore-comments=yes

# Ignore docstrings when computing similarities  
ignore-docstrings=yes

# Ignore imports when computing similarities
ignore-imports=no

[SPELLING]
# Spelling dictionary name
spelling-dict=

# List of comma separated words that should not be checked
spelling-ignore-words=

# A path to a file that contains private dictionary
spelling-private-dict-file=

# Tells whether to store unknown words to indicated private dictionary
spelling-store-unknown-words=no

[TYPECHECK]
# List of decorators that produce context managers
contextmanager-decorators=contextlib.contextmanager

# List of members which are set dynamically and missed by pylint inference system
generated-members=

# Tells whether missing members accessed in mixin class should be ignored
ignore-mixin-members=yes

# List of module names for which member attributes should not be checked
ignored-modules=

# List of class names for which member attributes should not be checked
ignored-classes=optparse.Values,thread._local,_thread._local

# List of classes names for which member attributes should not be checked
ignored-classes=optparse.Values,thread._local,_thread._local

[VARIABLES]
# List of additional names supposed to be defined in builtins
additional-builtins=

# Tells whether unused global variables should be treated as a violation
allow-global-unused-variables=yes

# List of strings which can identify a callback function by name
callbacks=cb_,_cb

# A regular expression matching the name of dummy variables
dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_

# Argument names that match this expression will be ignored
ignored-argument-names=_.*|^ignored_|^unused_

# Tells whether we should check for unused import in __init__ files
init-import=no

# List of qualified module names which can have objects that can redefine builtins
redefining-builtins-modules=six.moves,past.builtins,future.builtins,builtins,io

[CLASSES]
# List of method names used to declare (i.e. assign) instance attributes
defining-attr-methods=__init__,__new__,setUp,__post_init__

# List of member names, which should be excluded from the protected access warning
exclude-protected=_asdict,_fields,_replace,_source,_make

# List of valid names for the first argument in a class method
valid-classmethod-first-arg=cls

# List of valid names for the first argument in a metaclass class method
valid-metaclass-classmethod-first-arg=cls

[DESIGN]
# Maximum number of arguments for function/method
max-args=5

# Maximum number of attributes for a class
max-attributes=7

# Maximum number of boolean expressions in an if statement
max-bool-expr=5

# Maximum number of branch for function/method body
max-branches=12

# Maximum number of locals for function/method body
max-locals=15

# Maximum number of parents for a class
max-parents=7

# Maximum number of public methods for a class
max-public-methods=20

# Maximum number of return/yield for function/method body
max-returns=6

# Maximum number of statements in function/method body
max-statements=50

# Minimum number of public methods for a class
min-public-methods=2

[IMPORTS]
# List of modules that can be imported at any level, not just the top level
allow-any-import-level=

# Allow wildcard imports from modules that define __all__
allow-wildcard-with-all=no

# Analyse import fallback blocks
analyse-fallback-blocks=no

# Deprecated modules which should not be used
deprecated-modules=optparse,tkinter.tix

# Create a graph of external dependencies in the given file
ext-import-graph=

# Create a graph of every (i.e. internal and external) dependencies in the given file
import-graph=

# Create a graph of internal dependencies in the given file  
int-import-graph=

# Force import order to recognize a module as part of the standard compatibility libraries
known-standard-library=

# Force import order to recognize a module as part of a third party library
known-third-party=enchant

# Couples of modules and preferred modules
preferred-modules=

[EXCEPTIONS]
# Exceptions that will emit a warning when being caught
overgeneral-exceptions=BaseException,Exception

[tool.pylint.main]
# Files or directories to be skipped
ignore = ["tests", "docs"]

# Use multiple processes to speed up Pylint  
jobs = 0

# List of plugins to load
load-plugins = [
    "pylint.extensions.docparams",
    "pylint.extensions.mccabe"
]

[tool.pylint.messages_control]
# Disable the message, report, category or checker
disable = [
    "missing-docstring",
    "invalid-name",
    "too-few-public-methods"
]

[tool.pylint.format]
# Maximum number of characters on a single line
max-line-length = 100

[tool.pylint.basic]
# Good variable names which should always be accepted
good-names = ["i", "j", "k", "ex", "Run", "_"]

[tool.pylint.design]
# Maximum number of arguments for function/method
max-args = 5

# Maximum number of locals for function/method body
max-locals = 15

from pylint.lint import PyLinter

# Create linter instance
linter = PyLinter()

# Set basic options
linter.config.disable = ['missing-docstring', 'invalid-name']
linter.config.max_line_length = 120
linter.config.good_names = ['i', 'j', 'k', 'x', 'y', 'z']

# Configure reports
linter.config.reports = True
linter.config.score = True
linter.config.msg_template = '{path}:{line}: {msg_id}: {msg}'

# Configure analysis behavior
linter.config.recursive = True
linter.config.jobs = 4
linter.config.suggestion_mode = True

from pylint.config import find_pylintrc, read_config_file

# Find configuration file
config_file = find_pylintrc()
if config_file:
    # Load configuration
    config = read_config_file(config_file, verbose=True)
    
    # Apply to linter
    linter = PyLinter()
    linter.load_config_file(config_file)

from pylint.config import ArgumentsProvider

class CustomConfigProvider(ArgumentsProvider):
    """Custom configuration provider."""
    
    name = 'custom'
    priority = 1
    
    options = (
        ('custom-option', {
            'default': True,
            'type': 'yn',
            'help': 'Enable custom behavior'
        }),
        ('custom-threshold', {
            'default': 10,
            'type': 'int',
            'help': 'Custom threshold value'
        })
    )
    
    def load_defaults(self):
        """Load default values."""
        for option_name, option_dict in self.options:
            setattr(self.config, option_name.replace('-', '_'), 
                   option_dict['default'])

# Register with linter
linter = PyLinter()
provider = CustomConfigProvider()
linter.register_options_provider(provider)

# Specify configuration file
export PYLINTRC=/path/to/custom/pylintrc

# Set default options
export PYLINT_DISABLE=missing-docstring,invalid-name
export PYLINT_JOBS=4

# Plugin loading
export PYLINT_LOAD_PLUGINS=mccabe,docparams

import os
from pylint.lint import PyLinter

# Check environment variables
config_file = os.environ.get('PYLINTRC')
jobs = int(os.environ.get('PYLINT_JOBS', '1'))
disabled = os.environ.get('PYLINT_DISABLE', '').split(',')

linter = PyLinter()
if config_file:
    linter.load_config_file(config_file)

linter.config.jobs = jobs
if disabled and disabled[0]:  # Check if not empty
    linter.config.disable.extend(disabled)

# Create project-specific .pylintrc
def create_project_config():
    config_content = """
[MAIN]
init-hook='import sys; sys.path.append("src")'
load-plugins=pylint.extensions.mccabe

[MESSAGES CONTROL]  
disable=missing-docstring,
        invalid-name,
        too-few-public-methods

[FORMAT]
max-line-length=100
indent-string='    '

[DESIGN]
max-args=7
max-locals=20
max-complexity=10
"""
    
    with open('.pylintrc', 'w') as f:
        f.write(config_content.strip())

# Use in CI/CD
def setup_ci_config():
    linter = PyLinter()
    
    # Strict settings for CI
    linter.config.fail_under = 8.0  # Minimum score
    linter.config.disable = ['locally-disabled']  # No local disables
    linter.config.output_format = 'json'  # Machine readable
    
    return linter