How to use _split_factor_expr method in tox

Best Python code snippet using tox_python

config.py

Source:config.py

...622        if '\n' in env:623            env = ','.join(env.split('\n'))624        env = [env]625    return mapcat(_expand_envstr, env)626def _split_factor_expr(expr):627    partial_envs = _expand_envstr(expr)628    return [set(e.split('-')) for e in partial_envs]629def _expand_envstr(envstr):630    # split by commas not in groups631    tokens = re.split(r'((?:\{[^}]+\})+)|,', envstr)632    envlist = [''.join(g).strip()633               for k, g in itertools.groupby(tokens, key=bool) if k]634    def expand(env):635        tokens = re.split(r'\{([^}]+)\}', env)636        parts = [token.split(',') for token in tokens]637        return [''.join(variant) for variant in itertools.product(*parts)]638    return mapcat(expand, envlist)639def mapcat(f, seq):640    return list(itertools.chain.from_iterable(map(f, seq)))641class DepConfig:642    def __init__(self, name, indexserver=None):643        self.name = name644        self.indexserver = indexserver645    def __str__(self):646        if self.indexserver:647            if self.indexserver.name == "default":648                return self.name649            return ":%s:%s" % (self.indexserver.name, self.name)650        return str(self.name)651    __repr__ = __str__652class IndexServerConfig:653    def __init__(self, name, url=None):654        self.name = name655        self.url = url656#: Check value matches substitution form657#: of referencing value from other section. E.g. {[base]commands}658is_section_substitution = re.compile("{\[[^{}\s]+\]\S+?}").match659RE_ITEM_REF = re.compile(660    r'''661    (?<!\\)[{]662    (?:(?P<sub_type>[^[:{}]+):)?    # optional sub_type for special rules663    (?P<substitution_value>[^{}]*)  # substitution key664    [}]665    ''',666    re.VERBOSE)667class SectionReader:668    def __init__(self, section_name, cfgparser, fallbacksections=None, factors=()):669        self.section_name = section_name670        self._cfg = cfgparser671        self.fallbacksections = fallbacksections or []672        self.factors = factors673        self._subs = {}674        self._subststack = []675    def addsubstitutions(self, _posargs=None, **kw):676        self._subs.update(kw)677        if _posargs:678            self.posargs = _posargs679    def getpath(self, name, defaultpath):680        toxinidir = self._subs['toxinidir']681        path = self.getstring(name, defaultpath)682        if path is not None:683            return toxinidir.join(path, abs=True)684    def getlist(self, name, sep="\n"):685        s = self.getstring(name, None)686        if s is None:687            return []688        return [x.strip() for x in s.split(sep) if x.strip()]689    def getdict(self, name, default=None, sep="\n"):690        s = self.getstring(name, None)691        if s is None:692            return default or {}693        value = {}694        for line in s.split(sep):695            if line.strip():696                name, rest = line.split('=', 1)697                value[name.strip()] = rest.strip()698        return value699    def getbool(self, name, default=None):700        s = self.getstring(name, default)701        if not s:702            s = default703        if s is None:704            raise KeyError("no config value [%s] %s found" % (705                           self.section_name, name))706        if not isinstance(s, bool):707            if s.lower() == "true":708                s = True709            elif s.lower() == "false":710                s = False711            else:712                raise tox.exception.ConfigError(713                    "boolean value %r needs to be 'True' or 'False'")714        return s715    def getargvlist(self, name, default=""):716        s = self.getstring(name, default, replace=False)717        return _ArgvlistReader.getargvlist(self, s)718    def getargv(self, name, default=""):719        return self.getargvlist(name, default)[0]720    def getstring(self, name, default=None, replace=True):721        x = None722        for s in [self.section_name] + self.fallbacksections:723            try:724                x = self._cfg[s][name]725                break726            except KeyError:727                continue728        if x is None:729            x = default730        else:731            x = self._apply_factors(x)732        if replace and x and hasattr(x, 'replace'):733            self._subststack.append((self.section_name, name))734            try:735                x = self._replace(x)736            finally:737                assert self._subststack.pop() == (self.section_name, name)738        # print "getstring", self.section_name, name, "returned", repr(x)739        return x740    def _apply_factors(self, s):741        def factor_line(line):742            m = re.search(r'^([\w{}\.,-]+)\:\s+(.+)', line)743            if not m:744                return line745            expr, line = m.groups()746            if any(fs <= self.factors for fs in _split_factor_expr(expr)):747                return line748        lines = s.strip().splitlines()749        return '\n'.join(filter(None, map(factor_line, lines)))750    def _replace_env(self, match):751        env_list = self.getdict('setenv')752        match_value = match.group('substitution_value')753        if not match_value:754            raise tox.exception.ConfigError(755                'env: requires an environment variable name')756        default = None757        envkey_split = match_value.split(':', 1)758        if len(envkey_split) is 2:759            envkey, default = envkey_split760        else:...

_config.py

Source:_config.py

...400    """if handed a list, action="append" was used for -e """401    if not isinstance(env, list):402        env = [env]403    return mapcat(_expand_envstr, env)404def _split_factor_expr(expr):405    partial_envs = _expand_envstr(expr)406    return [set(e.split('-')) for e in partial_envs]407def _expand_envstr(envstr):408    # split by commas not in groups409    tokens = re.split(r'(\{[^}]+\})|,', envstr)410    envlist = [''.join(g).strip()411               for k, g in itertools.groupby(tokens, key=bool) if k]412    def expand(env):413        tokens = re.split(r'\{([^}]+)\}', env)414        parts = [token.split(',') for token in tokens]415        return [''.join(variant) for variant in itertools.product(*parts)]416    return mapcat(expand, envlist)417def mapcat(f, seq):418    return list(itertools.chain.from_iterable(map(f, seq)))419class DepConfig:420    def __init__(self, name, indexserver=None):421        self.name = name422        self.indexserver = indexserver423    def __str__(self):424        if self.indexserver:425            if self.indexserver.name == "default":426               return self.name427            return ":%s:%s" %(self.indexserver.name, self.name)428        return str(self.name)429    __repr__ = __str__430class IndexServerConfig:431    def __init__(self, name, url=None):432        self.name = name433        self.url = url434RE_ITEM_REF = re.compile(435    r'''436    (?<!\\)[{]437    (?:(?P<sub_type>[^[:{}]+):)?    # optional sub_type for special rules438    (?P<substitution_value>[^{}]*)  # substitution key439    [}]440    ''',441    re.VERBOSE)442class IniReader:443    def __init__(self, cfgparser, fallbacksections=None, factors=()):444        self._cfg = cfgparser445        self.fallbacksections = fallbacksections or []446        self.factors = factors447        self._subs = {}448        self._subststack = []449    def addsubstitutions(self, _posargs=None, **kw):450        self._subs.update(kw)451        if _posargs:452            self.posargs = _posargs453    def getpath(self, section, name, defaultpath):454        toxinidir = self._subs['toxinidir']455        path = self.getdefault(section, name, defaultpath)456        if path is None:457            return path458        return toxinidir.join(path, abs=True)459    def getlist(self, section, name, sep="\n"):460        s = self.getdefault(section, name, None)461        if s is None:462            return []463        return [x.strip() for x in s.split(sep) if x.strip()]464    def getdict(self, section, name, sep="\n"):465        s = self.getdefault(section, name, None)466        if s is None:467            return {}468        value = {}469        for line in s.split(sep):470            if not line.strip():471                continue472            name, rest = line.split('=', 1)473            value[name.strip()] = rest.strip()474        return value475    def getargvlist(self, section, name):476        s = self.getdefault(section, name, '', replace=False)477        #if s is None:478        #    raise tox.exception.ConfigError(479        #        "no command list %r defined in section [%s]" %(name, section))480        commandlist = []481        current_command = ""482        for line in s.split("\n"):483            line = line.rstrip()484            i = line.find("#")485            if i != -1:486                line = line[:i].rstrip()487            if not line:488                continue489            if line.endswith("\\"):490                current_command += " " + line[:-1]491                continue492            current_command += line493            commandlist.append(self._processcommand(current_command))494            current_command = ""495        else:496            if current_command:497                raise tox.exception.ConfigError(498                    "line-continuation for [%s] %s ends nowhere" %499                    (section, name))500        return commandlist501    def _processcommand(self, command):502        posargs = getattr(self, "posargs", None)503        # Iterate through each word of the command substituting as504        # appropriate to construct the new command string. This505        # string is then broken up into exec argv components using506        # shlex.507        newcommand = ""508        for word in CommandParser(command).words():509            if word == "{posargs}" or word == "[]":510                if posargs:511                    newcommand += " ".join(posargs)512                continue513            elif word.startswith("{posargs:") and word.endswith("}"):514                if posargs:515                    newcommand += " ".join(posargs)516                    continue517                else:518                    word = word[9:-1]519            new_arg = ""520            new_word = self._replace(word)521            new_word = self._replace(new_word)522            new_arg += new_word523            newcommand += new_arg524        # Construct shlex object that will not escape any values,525        # use all values as is in argv.526        shlexer = shlex.shlex(newcommand, posix=True)527        shlexer.whitespace_split = True528        shlexer.escape = ''529        shlexer.commenters = ''530        argv = list(shlexer)531        return argv532    def getargv(self, section, name, default=None, replace=True):533        command = self.getdefault(534            section, name, default=default, replace=False)535        return self._processcommand(command.strip())536    def getbool(self, section, name, default=None):537        s = self.getdefault(section, name, default)538        if not s:539            s = default540        if s is None:541            raise KeyError("no config value [%s] %s found" % (542                section, name))543        if not isinstance(s, bool):544            if s.lower() == "true":545                s = True546            elif s.lower() == "false":547                s = False548            else:549                raise tox.exception.ConfigError(550                    "boolean value %r needs to be 'True' or 'False'")551        return s552    def getdefault(self, section, name, default=None, replace=True):553        x = None554        for s in [section] + self.fallbacksections:555            try:556                x = self._cfg[s][name]557                break558            except KeyError:559                continue560        if x is None:561            x = default562        else:563            x = self._apply_factors(x)564        if replace and x and hasattr(x, 'replace'):565            self._subststack.append((section, name))566            try:567                x = self._replace(x)568            finally:569                assert self._subststack.pop() == (section, name)570        #print "getdefault", section, name, "returned", repr(x)571        return x572    def _apply_factors(self, s):573        def factor_line(line):574            m = re.search(r'^([\w{}\.,-]+)\:\s+(.+)', line)575            if not m:576                return line577            expr, line = m.groups()578            if any(fs <= self.factors for fs in _split_factor_expr(expr)):579                return line580        lines = s.strip().splitlines()581        return '\n'.join(filter(None, map(factor_line, lines)))582    def _replace_env(self, match):583        match_value = match.group('substitution_value')584        if not match_value:585            raise tox.exception.ConfigError(586                'env: requires an environment variable name')587        default = None588        envkey_split = match_value.split(':', 1)589        if len(envkey_split) is 2:590            envkey, default = envkey_split591        else:592            envkey = match_value...

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