Best Python code snippet using tox_python
config.py
Source:config.py
...904 env = [env]905 return mapcat(_expand_envstr, env)906def _is_negated_factor(factor):907 return factor.startswith("!")908def _base_factor_name(factor):909 return factor[1:] if _is_negated_factor(factor) else factor910def _split_factor_expr(expr):911 def split_single(e):912 raw = e.split("-")913 included = {_base_factor_name(factor) for factor in raw if not _is_negated_factor(factor)}914 excluded = {_base_factor_name(factor) for factor in raw if _is_negated_factor(factor)}915 return included, excluded916 partial_envs = _expand_envstr(expr)917 return [split_single(e) for e in partial_envs]918def _split_factor_expr_all(expr):919 partial_envs = _expand_envstr(expr)920 return [{_base_factor_name(factor) for factor in e.split("-")} for e in partial_envs]921def _expand_envstr(envstr):922 # split by commas not in groups923 tokens = re.split(r"((?:\{[^}]+\})+)|,", envstr)924 envlist = ["".join(g).strip() for k, g in itertools.groupby(tokens, key=bool) if k]925 def expand(env):926 tokens = re.split(r"\{([^}]+)\}", env)927 parts = [re.sub(r"\s+", "", token).split(",") for token in tokens]928 return ["".join(variant) for variant in itertools.product(*parts)]929 return mapcat(expand, envlist)930def mapcat(f, seq):931 return list(itertools.chain.from_iterable(map(f, seq)))932class DepConfig:933 def __init__(self, name, indexserver=None):934 self.name = name...
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