How to use _substitute_from_other_section method in tox

Best Python code snippet using tox_python

config.py

Source:config.py

...875        g = match.groupdict()876        sub_value = g['substitution_value']877        if self.crossonly:878            if sub_value.startswith("["):879                return self._substitute_from_other_section(sub_value)880            # in crossonly we return all other hits verbatim881            start, end = match.span()882            return match.string[start:end]883        # special case: all empty values means ":" which is os.pathsep884        if not any(g.values()):885            return os.pathsep886        # special case: opts and packages. Leave {opts} and887        # {packages} intact, they are replaced manually in888        # _venv.VirtualEnv.run_install_command.889        if sub_value in ('opts', 'packages'):890            return '{%s}' % sub_value891        try:892            sub_type = g['sub_type']893        except KeyError:894            raise tox.exception.ConfigError(895                "Malformed substitution; no substitution type provided")896        if sub_type == "env":897            return self._replace_env(match)898        if sub_type is not None:899            raise tox.exception.ConfigError(900                "No support for the %s substitution type" % sub_type)901        return self._replace_substitution(match)902    def _replace_env(self, match):903        envkey = match.group('substitution_value')904        if not envkey:905            raise tox.exception.ConfigError(906                'env: requires an environment variable name')907        default = match.group('default_value')908        envvalue = self.reader.get_environ_value(envkey)909        if envvalue is None:910            if default is None:911                raise tox.exception.ConfigError(912                    "substitution env:%r: unknown environment variable %r "913                    " or recursive definition." %914                    (envkey, envkey))915            return default916        return envvalue917    def _substitute_from_other_section(self, key):918        if key.startswith("[") and "]" in key:919            i = key.find("]")920            section, item = key[1:i], key[i + 1:]921            cfg = self.reader._cfg922            if section in cfg and item in cfg[section]:923                if (section, item) in self.reader._subststack:924                    raise ValueError('%s already in %s' % (925                        (section, item), self.reader._subststack))926                x = str(cfg[section][item])927                return self.reader._replace(x, name=item, section_name=section,928                                            crossonly=self.crossonly)929        raise tox.exception.ConfigError(930            "substitution key %r not found" % key)931    def _replace_substitution(self, match):932        sub_key = match.group('substitution_value')933        val = self.reader._subs.get(sub_key, None)934        if val is None:935            val = self._substitute_from_other_section(sub_key)936        if py.builtin.callable(val):937            val = val()938        return str(val)939class _ArgvlistReader:940    @classmethod941    def getargvlist(cls, reader, value):942        """Parse ``commands`` argvlist multiline string.943        :param str name: Key name in a section.944        :param str value: Content stored by key.945        :rtype: list[list[str]]946        :raise :class:`tox.exception.ConfigError`:947            line-continuation ends nowhere while resolving for specified section948        """949        commands = []...

_config.py

Source:_config.py

...545            raise tox.exception.ConfigError(546                "substitution env:%r: unkown environment variable %r" %547                (envkey, envkey))548        return os.environ[envkey]549    def _substitute_from_other_section(self, key):550        if key.startswith("[") and "]" in key:551            i = key.find("]")552            section, item = key[1:i], key[i+1:]553            if section in self._cfg and item in self._cfg[section]:554                if (section, item) in self._subststack:555                    raise ValueError('%s already in %s' %(556                            (section, item), self._subststack))557                x = str(self._cfg[section][item])558                self._subststack.append((section, item))559                try:560                    return self._replace(x)561                finally:562                    self._subststack.pop()563        raise tox.exception.ConfigError(564            "substitution key %r not found" % key)565    def _replace_substitution(self, match):566        sub_key = match.group('substitution_value')567        val = self._subs.get(sub_key, None)568        if val is None:569            val = self._substitute_from_other_section(sub_key)570        if py.builtin.callable(val):571            val = val()572        return str(val)573    def _replace_match(self, match):574        g = match.groupdict()575        # special case: opts and packages. Leave {opts} and576        # {packages} intact, they are replaced manually in577        # _venv.VirtualEnv.run_install_command.578        sub_value = g['substitution_value']579        if sub_value in ('opts', 'packages'):580            return '{%s}' % sub_value581        handlers = {582            'env' : self._replace_env,583            None : self._replace_substitution,...

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