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How to use _get_opts_from_env_vars method in robotframework-pageobjects

Best Python code snippet using robotframework-pageobjects_python

optionhandler.py

Source:optionhandler.py

...28        return "<robotpageobjects.optionhandler.OptionHandler object at %s: %s>" % (id(self), self._opts)29    def _populate_opts(self, robot=True):30        self._opts.update(getattr(self.parent_page, 'options', {}))31        self._opts.update(self._get_opts_from_var_file())32        self._opts.update(self._get_opts_from_env_vars())33        if robot:34            self._opts.update(self._get_opts_from_robot())35    def _get_opts_from_robot(self):36        ret = {}37        robot_vars = BuiltIn().get_variables()38        for var, val in robot_vars.iteritems():39            ret[self._normalize(var)] = val40        return ret41    def _get_opts_from_var_file(self):42        ret = {}43        var_file_path = os.environ.get("PO_VAR_FILE", None)44        if var_file_path:45            abs_var_file_path = os.path.abspath(var_file_path)46            try:47                vars_mod = imp.load_source("vars", abs_var_file_path)48            except (ImportError, IOError), e:49                raise exceptions.VarFileImportErrorError(50                    "Couldn't import variable file: %s. Ensure it exists and is importable." % var_file_path)51            var_file_attrs = vars_mod.__dict__52            for vars_mod_attr_name in var_file_attrs:53                if not vars_mod_attr_name.startswith("_"):54                    vars_file_var_value = var_file_attrs[vars_mod_attr_name]55                    ret[self._normalize(vars_mod_attr_name)] = vars_file_var_value56        return ret57    def _get_opts_from_env_vars(self):58        ret = {}59        for env_varname in os.environ:60            if env_varname.startswith("PO_") and env_varname.isupper():61                varname = env_varname[3:]62                ret[self._normalize(varname)] = os.environ.get(env_varname)63        return ret64    def _normalize(self, opts):65        """66        Convert an option keyname to lower-cased robot format, or convert67        all the keys in a dictionary to robot format.68        """69        if isinstance(opts, basestring):70            name = opts.lower()71            rmatch = re.search("\$\{(.+)\}", name)...

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