"""Constants that define defaults."""
import re

EXCLUDE = '.svn,CVS,.bzr,.hg,.git,__pycache__,.tox,.eggs,*.egg'
IGNORE = 'E121,E123,E126,E226,E24,E704,W503,W504'
SELECT = 'E,F,W,C90'
MAX_LINE_LENGTH = 79

TRUTHY_VALUES = set(['true', '1', 't'])

# Other constants
WHITESPACE = frozenset(' \t')

STATISTIC_NAMES = (
    'logical lines',
    'physical lines',
    'tokens',
)

NOQA_INLINE_REGEXP = re.compile(
    # We're looking for items that look like this:
    # ``# noqa``
    # ``# noqa: E123``
    # ``# noqa: E123,W451,F921``
    # ``# NoQA: E123,W451,F921``
    # ``# NOQA: E123,W451,F921``
    # We do not care about the ``: `` that follows ``noqa``
    # We do not care about the casing of ``noqa``
    # We want a comma-separated list of errors
    '# noqa(?:: (?P<codes>([A-Z][0-9]+,?)+))?',
    re.IGNORECASE
)

NOQA_FILE = re.compile(r'\s*# flake8[:=]\s*noqa', re.I)