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How to use read_token method in Gherkin-python

Best Python code snippet using gherkin-python

TypeScriptParser.py

Source:TypeScriptParser.py

...50            type_args = self.parse_type_args()51            self.reader.expect_token("(")52            args = self.expression_parser.parse_call_arguments()53            return exprs.UnresolvedCallExpression(left, type_args, args)54        elif self.reader.read_token("instanceof"):55            type = self.parse_type()56            return exprs.InstanceOfExpression(left, type)57        elif isinstance(left, exprs.Identifier) and self.reader.read_token("=>"):58            block = self.parse_lambda_block()59            return types.Lambda([types.MethodParameter(left.text, None, None, None)], block)60        return None61    62    def parse_lambda_params(self):63        if not self.reader.read_token("("):64            return None65        66        params = []67        if not self.reader.read_token(")"):68            while True:69                param_name = self.reader.expect_identifier()70                type = self.parse_type() if self.reader.read_token(":") else None71                params.append(types.MethodParameter(param_name, type, None, None))72                if not (self.reader.read_token(",")):73                    break74            self.reader.expect_token(")")75        return params76    77    def parse_type(self):78        if self.reader.read_token("{"):79            self.reader.expect_token("[")80            self.reader.read_identifier()81            self.reader.expect_token(":")82            self.reader.expect_token("string")83            self.reader.expect_token("]")84            self.reader.expect_token(":")85            map_value_type = self.parse_type()86            self.reader.read_token(";")87            self.reader.expect_token("}")88            return astTypes.UnresolvedType("TsMap", [map_value_type])89        90        if self.reader.peek_token("("):91            params = self.parse_lambda_params()92            self.reader.expect_token("=>")93            return_type = self.parse_type()94            return astTypes.LambdaType(params, return_type)95        96        type_name = self.reader.expect_identifier()97        start_pos = self.reader.prev_token_offset98        99        100        if type_name == "string":101            type = astTypes.UnresolvedType("TsString", [])102        elif type_name == "boolean":103            type = astTypes.UnresolvedType("TsBoolean", [])104        elif type_name == "number":105            type = astTypes.UnresolvedType("TsNumber", [])106        elif type_name == "any":107            type = astTypes.AnyType.instance108        elif type_name == "void":109            type = astTypes.VoidType.instance110        else:111            type_arguments = self.parse_type_args()112            type = astTypes.UnresolvedType(type_name, type_arguments)113        114        self.node_manager.add_node(type, start_pos)115        116        while self.reader.read_token("[]"):117            type = astTypes.UnresolvedType("TsArray", [type])118            self.node_manager.add_node(type, start_pos)119        120        return type121    122    def parse_expression(self):123        return self.expression_parser.parse()124    125    def unary_prehook(self):126        if self.reader.read_token("null"):127            return exprs.NullLiteral()128        elif self.reader.read_token("true"):129            return exprs.BooleanLiteral(True)130        elif self.reader.read_token("false"):131            return exprs.BooleanLiteral(False)132        elif self.reader.read_token("`"):133            parts = []134            lit_part = ""135            while True:136                if self.reader.read_exactly("`"):137                    if lit_part != "":138                        parts.append(exprs.TemplateStringPart.literal(lit_part))139                        lit_part = ""140                    141                    break142                elif self.reader.read_exactly("${"):143                    if lit_part != "":144                        parts.append(exprs.TemplateStringPart.literal(lit_part))145                        lit_part = ""146                    147                    expr = self.parse_expression()148                    parts.append(exprs.TemplateStringPart.expression(expr))149                    self.reader.expect_token("}")150                elif self.allow_dollar_ids and self.reader.read_exactly("$"):151                    if lit_part != "":152                        parts.append(exprs.TemplateStringPart.literal(lit_part))153                        lit_part = ""154                    155                    id = self.reader.read_identifier()156                    parts.append(exprs.TemplateStringPart.expression(exprs.Identifier(id)))157                elif self.reader.read_exactly("\\"):158                    chr = self.reader.read_char()159                    if chr == "n":160                        lit_part += "\n"161                    elif chr == "r":162                        lit_part += "\r"163                    elif chr == "t":164                        lit_part += "\t"165                    elif chr == "`":166                        lit_part += "`"167                    elif chr == "$":168                        lit_part += "$"169                    elif chr == "\\":170                        lit_part += "\\"171                    else:172                        self.reader.fail("invalid escape", self.reader.offset - 1)173                else:174                    chr = self.reader.read_char()175                    chr_code = ord(chr[0])176                    if not (32 <= chr_code and chr_code <= 126) or chr == "`" or chr == "\\":177                        self.reader.fail(f'''not allowed character (code={chr_code})''', self.reader.offset - 1)178                    lit_part += chr179            return exprs.TemplateString(parts)180        elif self.reader.read_token("new"):181            type = self.parse_type()182            if isinstance(type, astTypes.UnresolvedType):183                self.reader.expect_token("(")184                args = self.expression_parser.parse_call_arguments()185                return exprs.UnresolvedNewExpression(type, args)186            else:187                raise Error(f'''[TypeScriptParser2] Expected UnresolvedType here!''')188        elif self.reader.read_token("<"):189            new_type = self.parse_type()190            self.reader.expect_token(">")191            expression = self.parse_expression()192            return exprs.CastExpression(new_type, expression)193        elif self.reader.read_token("/"):194            pattern = ""195            while True:196                chr = self.reader.read_char()197                if chr == "\\":198                    chr2 = self.reader.read_char()199                    pattern += "/" if chr2 == "/" else "\\" + chr2200                elif chr == "/":201                    break202                else:203                    pattern += chr204            modifiers = self.reader.read_modifiers(["g", "i"])205            return exprs.RegexLiteral(pattern, "i" in modifiers, "g" in modifiers)206        elif self.reader.read_token("typeof"):207            expr = self.expression_parser.parse(self.expression_parser.prefix_precedence)208            self.reader.expect_token("===")209            check = self.reader.expect_string()210            211            ts_type = None212            if check == "string":213                ts_type = "TsString"214            elif check == "boolean":215                ts_type = "TsBoolean"216            elif check == "object":217                ts_type = "Object"218            elif check == "function":219                # TODO: ???220                ts_type = "Function"221            elif check == "undefined":222                # TODO: ???223                ts_type = "Object"224            else:225                self.reader.fail("unexpected typeof comparison")226            227            return exprs.InstanceOfExpression(expr, astTypes.UnresolvedType(ts_type, []))228        elif self.reader.peek_regex("\\([A-Za-z0-9_]+\\s*[:,]|\\(\\)") != None:229            params = self.parse_lambda_params()230            self.reader.expect_token("=>")231            block = self.parse_lambda_block()232            return types.Lambda(params, block)233        elif self.reader.read_token("await"):234            expression = self.parse_expression()235            return exprs.AwaitExpression(expression)236        237        map_literal = self.expression_parser.parse_map_literal()238        if map_literal != None:239            return map_literal240        241        array_literal = self.expression_parser.parse_array_literal()242        if array_literal != None:243            return array_literal244        245        return None246    247    def parse_lambda_block(self):248        block = self.parse_block()249        if block != None:250            return block251        252        return_expr = self.parse_expression()253        if isinstance(return_expr, exprs.ParenthesizedExpression):254            return_expr = return_expr.expression255        return stats.Block([stats.ReturnStatement(return_expr)])256    257    def parse_type_and_init(self):258        type = self.parse_type() if self.reader.read_token(":") else None259        init = self.parse_expression() if self.reader.read_token("=") else None260        261        if type == None and init == None:262            self.reader.fail(f'''expected type declaration or initializer''')263        264        return TypeAndInit(type, init)265    266    def expect_block_or_statement(self):267        block = self.parse_block()268        if block != None:269            return block270        271        stmts = []272        stmt = self.expect_statement()273        if stmt != None:274            stmts.append(stmt)275        return stats.Block(stmts)276    277    def expect_statement(self):278        statement = None279        280        leading_trivia = self.reader.read_leading_trivia()281        start_pos = self.reader.offset282        283        requires_closing = True284        var_decl_matches = self.reader.read_regex("(const|let|var)\\b")285        if var_decl_matches != None:286            name = self.reader.expect_identifier("expected variable name")287            type_and_init = self.parse_type_and_init()288            statement = stats.VariableDeclaration(name, type_and_init.type, type_and_init.init)289        elif self.reader.read_token("delete"):290            statement = stats.UnsetStatement(self.parse_expression())291        elif self.reader.read_token("if"):292            requires_closing = False293            self.reader.expect_token("(")294            condition = self.parse_expression()295            self.reader.expect_token(")")296            then = self.expect_block_or_statement()297            else_ = self.expect_block_or_statement() if self.reader.read_token("else") else None298            statement = stats.IfStatement(condition, then, else_)299        elif self.reader.read_token("while"):300            requires_closing = False301            self.reader.expect_token("(")302            condition = self.parse_expression()303            self.reader.expect_token(")")304            body = self.expect_block_or_statement()305            statement = stats.WhileStatement(condition, body)306        elif self.reader.read_token("do"):307            requires_closing = False308            body = self.expect_block_or_statement()309            self.reader.expect_token("while")310            self.reader.expect_token("(")311            condition = self.parse_expression()312            self.reader.expect_token(")")313            statement = stats.DoStatement(condition, body)314        elif self.reader.read_token("for"):315            requires_closing = False316            self.reader.expect_token("(")317            var_decl_mod = self.reader.read_any_of(["const", "let", "var"])318            item_var_name = None if var_decl_mod == None else self.reader.expect_identifier()319            if item_var_name != None and self.reader.read_token("of"):320                items = self.parse_expression()321                self.reader.expect_token(")")322                body = self.expect_block_or_statement()323                statement = stats.ForeachStatement(stats.ForeachVariable(item_var_name), items, body)324            else:325                for_var = None326                if item_var_name != None:327                    type_and_init = self.parse_type_and_init()328                    for_var = stats.ForVariable(item_var_name, type_and_init.type, type_and_init.init)329                self.reader.expect_token(";")330                condition = self.parse_expression()331                self.reader.expect_token(";")332                incrementor = self.parse_expression()333                self.reader.expect_token(")")334                body = self.expect_block_or_statement()335                statement = stats.ForStatement(for_var, condition, incrementor, body)336        elif self.reader.read_token("try"):337            block = self.expect_block("try body is missing")338            339            catch_var = None340            catch_body = None341            if self.reader.read_token("catch"):342                self.reader.expect_token("(")343                catch_var = stats.CatchVariable(self.reader.expect_identifier(), None)344                self.reader.expect_token(")")345                catch_body = self.expect_block("catch body is missing")346            347            finally_body = self.expect_block() if self.reader.read_token("finally") else None348            return stats.TryStatement(block, catch_var, catch_body, finally_body)349        elif self.reader.read_token("return"):350            expr = None if self.reader.peek_token(";") else self.parse_expression()351            statement = stats.ReturnStatement(expr)352        elif self.reader.read_token("throw"):353            expr = self.parse_expression()354            statement = stats.ThrowStatement(expr)355        elif self.reader.read_token("break"):356            statement = stats.BreakStatement()357        elif self.reader.read_token("continue"):358            statement = stats.ContinueStatement()359        elif self.reader.read_token("debugger;"):360            return None361        else:362            expr = self.parse_expression()363            statement = stats.ExpressionStatement(expr)364            is_binary_set = isinstance(expr, exprs.BinaryExpression) and expr.operator in ["=", "+=", "-="]365            is_unary_set = isinstance(expr, exprs.UnaryExpression) and expr.operator in ["++", "--"]366            if not (isinstance(expr, exprs.UnresolvedCallExpression) or is_binary_set or is_unary_set or isinstance(expr, exprs.AwaitExpression)):367                self.reader.fail("this expression is not allowed as statement")368        369        if statement == None:370            self.reader.fail("unknown statement")371        372        statement.leading_trivia = leading_trivia373        self.node_manager.add_node(statement, start_pos)374        375        statement_last_line = self.reader.ws_line_counter376        if not self.reader.read_token(";") and requires_closing and self.reader.ws_line_counter == statement_last_line:377            self.reader.fail("statement is not closed", self.reader.ws_offset)378        379        return statement380    381    def parse_block(self):382        if not self.reader.read_token("{"):383            return None384        start_pos = self.reader.prev_token_offset385        386        statements = []387        if not self.reader.read_token("}"):388            while True:389                statement = self.expect_statement()390                if statement != None:391                    statements.append(statement)392                if not (not self.reader.read_token("}")):393                    break394        395        block = stats.Block(statements)396        self.node_manager.add_node(block, start_pos)397        return block398    399    def expect_block(self, error_msg = None):400        block = self.parse_block()401        if block == None:402            self.reader.fail(error_msg or "expected block here")403        return block404    405    def parse_type_args(self):406        type_arguments = []407        if self.reader.read_token("<"):408            while True:409                generics = self.parse_type()410                type_arguments.append(generics)411                if not (self.reader.read_token(",")):412                    break413            self.reader.expect_token(">")414        return type_arguments415    416    def parse_generics_args(self):417        type_arguments = []418        if self.reader.read_token("<"):419            while True:420                generics = self.reader.expect_identifier()421                type_arguments.append(generics)422                if not (self.reader.read_token(",")):423                    break424            self.reader.expect_token(">")425        return type_arguments426    427    def parse_expr_stmt_from_string(self, expression):428        expr = self.create_expression_parser(read.Reader(expression)).parse()429        return stats.ExpressionStatement(expr)430    431    def parse_method_signature(self, is_constructor, declaration_only):432        params = []433        fields = []434        if not self.reader.read_token(")"):435            while True:436                leading_trivia = self.reader.read_leading_trivia()437                param_start = self.reader.offset438                is_public = self.reader.read_token("public")439                if is_public and not is_constructor:440                    self.reader.fail("public modifier is only allowed in constructor definition")441                442                param_name = self.reader.expect_identifier()443                self.context.append(f'''arg:{param_name}''')444                type_and_init = self.parse_type_and_init()445                param = types.MethodParameter(param_name, type_and_init.type, type_and_init.init, leading_trivia)446                params.append(param)447                448                # init should be used as only the constructor's method parameter, but not again as a field initializer too449                #   (otherwise it would called twice if cloned or cause AST error is just referenced from two separate places)450                if is_public:451                    field = types.Field(param_name, type_and_init.type, None, types.VISIBILITY.PUBLIC, False, param, param.leading_trivia)452                    fields.append(field)453                    param.field_decl = field454                455                self.node_manager.add_node(param, param_start)456                self.context.pop()457                if not (self.reader.read_token(",")):458                    break459            460            self.reader.expect_token(")")461        462        returns = None463        if not is_constructor:464            # in case of constructor, "returns" won't be used465            returns = self.parse_type() if self.reader.read_token(":") else astTypes.VoidType.instance if self.missing_return_type_is_void else None466        467        body = None468        super_call_args = None469        if declaration_only:470            self.reader.expect_token(";")471        else:472            body = self.expect_block("method body is missing")473            first_stmt = body.statements[0] if len(body.statements) > 0 else None474            if isinstance(first_stmt, stats.ExpressionStatement) and isinstance(first_stmt.expression, exprs.UnresolvedCallExpression) and isinstance(first_stmt.expression.func, exprs.Identifier) and first_stmt.expression.func.text == "super":475                super_call_args = first_stmt.expression.args476                body.statements.pop(0)477        478        return MethodSignature(params, fields, body, returns, super_call_args)479    480    def parse_identifier_or_string(self):481        return self.reader.read_string() or self.reader.expect_identifier()482    483    def parse_interface(self, leading_trivia, is_exported):484        if not self.reader.read_token("interface"):485            return None486        intf_start = self.reader.prev_token_offset487        488        intf_name = self.reader.expect_identifier("expected identifier after 'interface' keyword")489        self.context.append(f'''I:{intf_name}''')490        491        intf_type_args = self.parse_generics_args()492        493        base_interfaces = []494        if self.reader.read_token("extends"):495            while True:496                base_interfaces.append(self.parse_type())497                if not (self.reader.read_token(",")):498                    break499        500        methods = []501        fields = []502        503        self.reader.expect_token("{")504        while not self.reader.read_token("}"):505            member_leading_trivia = self.reader.read_leading_trivia()506            507            member_start = self.reader.offset508            member_name = self.parse_identifier_or_string()509            if self.reader.read_token(":"):510                self.context.append(f'''F:{member_name}''')511                512                field_type = self.parse_type()513                self.reader.expect_token(";")514                515                field = types.Field(member_name, field_type, None, types.VISIBILITY.PUBLIC, False, None, member_leading_trivia)516                fields.append(field)517                518                self.node_manager.add_node(field, member_start)519                self.context.pop()520            else:521                self.context.append(f'''M:{member_name}''')522                method_type_args = self.parse_generics_args()523                self.reader.expect_token("(")524                # method525                   526                sig = self.parse_method_signature(False, True)527                528                method = types.Method(member_name, method_type_args, sig.params, sig.body, types.VISIBILITY.PUBLIC, False, sig.returns, False, member_leading_trivia)529                methods.append(method)530                self.node_manager.add_node(method, member_start)531                self.context.pop()532        533        intf = types.Interface(intf_name, intf_type_args, base_interfaces, fields, methods, is_exported, leading_trivia)534        self.node_manager.add_node(intf, intf_start)535        self.context.pop()536        return intf537    538    def parse_specified_type(self):539        type_name = self.reader.read_identifier()540        type_args = self.parse_type_args()541        return astTypes.UnresolvedType(type_name, type_args)542    543    def parse_class(self, leading_trivia, is_exported, declaration_only):544        cls_modifiers = self.reader.read_modifiers(["abstract"])545        if not self.reader.read_token("class"):546            return None547        cls_start = self.reader.prev_token_offset548        549        cls_name = self.reader.expect_identifier("expected identifier after 'class' keyword")550        self.context.append(f'''C:{cls_name}''')551        552        type_args = self.parse_generics_args()553        base_class = self.parse_specified_type() if self.reader.read_token("extends") else None554        555        base_interfaces = []556        if self.reader.read_token("implements"):557            while True:558                base_interfaces.append(self.parse_specified_type())559                if not (self.reader.read_token(",")):560                    break561        562        constructor = None563        fields = []564        methods = []565        properties = []566        567        self.reader.expect_token("{")568        while not self.reader.read_token("}"):569            member_leading_trivia = self.reader.read_leading_trivia()570            571            member_start = self.reader.offset572            modifiers = self.reader.read_modifiers(["static", "public", "protected", "private", "readonly", "async", "abstract"])573            is_static = "static" in modifiers574            is_async = "async" in modifiers575            is_abstract = "abstract" in modifiers576            visibility = types.VISIBILITY.PRIVATE if "private" in modifiers else types.VISIBILITY.PROTECTED if "protected" in modifiers else types.VISIBILITY.PUBLIC577            578            member_name = self.parse_identifier_or_string()579            method_type_args = self.parse_generics_args()580            if self.reader.read_token("("):581                # method582                is_constructor = member_name == "constructor"583                584                585                sig = self.parse_method_signature(is_constructor, declaration_only or is_abstract)586                if is_constructor:587                    member = constructor = types.Constructor(sig.params, sig.body, sig.super_call_args, member_leading_trivia)588                    for field in sig.fields:589                        fields.append(field)590                else:591                    method = types.Method(member_name, method_type_args, sig.params, sig.body, visibility, is_static, sig.returns, is_async, member_leading_trivia)592                    methods.append(method)593                    member = method594                595                self.node_manager.add_node(member, member_start)596            elif member_name == "get" or member_name == "set":597                # property598                prop_name = self.reader.expect_identifier()599                prop = next(filter(lambda x: x.name == prop_name, properties), None)600                prop_type = None601                getter = None602                setter = None603                604                if member_name == "get":605                    # get propName(): propType { return ... }606                    self.context.append(f'''P[G]:{prop_name}''')607                    self.reader.expect_token("()", "expected '()' after property getter name")608                    prop_type = self.parse_type() if self.reader.read_token(":") else None609                    if declaration_only:610                        if prop_type == None:611                            self.reader.fail("Type is missing for property in declare class")612                        self.reader.expect_token(";")613                    else:614                        getter = self.expect_block("property getter body is missing")615                        if prop != None:616                            prop.getter = getter617                elif member_name == "set":618                    # set propName(value: propType) { ... }619                    self.context.append(f'''P[S]:{prop_name}''')620                    self.reader.expect_token("(", "expected '(' after property setter name")621                    self.reader.expect_identifier()622                    prop_type = self.parse_type() if self.reader.read_token(":") else None623                    self.reader.expect_token(")")624                    if declaration_only:625                        if prop_type == None:626                            self.reader.fail("Type is missing for property in declare class")627                        self.reader.expect_token(";")628                    else:629                        setter = self.expect_block("property setter body is missing")630                        if prop != None:631                            prop.setter = setter632                633                if prop == None:634                    prop = types.Property(prop_name, prop_type, getter, setter, visibility, is_static, member_leading_trivia)635                    properties.append(prop)636                    self.node_manager.add_node(prop, member_start)637                638                self.context.pop()639            else:640                self.context.append(f'''F:{member_name}''')641                642                type_and_init = self.parse_type_and_init()643                self.reader.expect_token(";")644                645                field = types.Field(member_name, type_and_init.type, type_and_init.init, visibility, is_static, None, member_leading_trivia)646                fields.append(field)647                648                self.node_manager.add_node(field, member_start)649                self.context.pop()650        651        cls_ = types.Class(cls_name, type_args, base_class, base_interfaces, fields, properties, constructor, methods, is_exported, leading_trivia)652        self.node_manager.add_node(cls_, cls_start)653        self.context.pop()654        return cls_655    656    def parse_enum(self, leading_trivia, is_exported):657        if not self.reader.read_token("enum"):658            return None659        enum_start = self.reader.prev_token_offset660        661        name = self.reader.expect_identifier("expected identifier after 'enum' keyword")662        self.context.append(f'''E:{name}''')663        664        members = []665        666        self.reader.expect_token("{")667        if not self.reader.read_token("}"):668            while True:669                if self.reader.peek_token("}"):670                    break671                # eg. "enum { A, B, }" (but multiline)672                673                enum_member = types.EnumMember(self.reader.expect_identifier())674                members.append(enum_member)675                self.node_manager.add_node(enum_member, self.reader.prev_token_offset)676                677                # TODO: generated code compatibility678                self.reader.read_token(f'''= "{enum_member.name}"''')679                if not (self.reader.read_token(",")):680                    break681            self.reader.expect_token("}")682        683        enum_obj = types.Enum(name, members, is_exported, leading_trivia)684        self.node_manager.add_node(enum_obj, enum_start)685        self.context.pop()686        return enum_obj687    688    @classmethod689    def calculate_relative_path(cls, curr_file, rel_path):690        if not rel_path.startswith("."):691            raise Error(f'''relPath must start with \'.\', but got \'{rel_path}\'''')692        693        curr = re.split("/", curr_file)694        curr.pop()695        # filename does not matter696        for part in re.split("/", rel_path):697            if part == "":698                raise Error(f'''relPath should not contain multiple \'/\' next to each other (relPath=\'{rel_path}\')''')699            if part == ".":700                # "./" == stay in current directory701                continue702            elif part == "..":703                # "../" == parent directory704                if len(curr) == 0:705                    raise Error(f'''relPath goes out of root (curr=\'{curr_file}\', relPath=\'{rel_path}\')''')706                curr.pop()707            else:708                curr.append(part)709        return "/".join(curr)710    711    @classmethod712    def calculate_import_scope(cls, curr_scope, import_file):713        if import_file.startswith("."):714            # relative715            return types.ExportScopeRef(curr_scope.package_name, TypeScriptParser2.calculate_relative_path(curr_scope.scope_name, import_file))716        else:717            path = re.split("/", import_file)718            pkg_name = path.pop(0)719            return types.ExportScopeRef(pkg_name, types.Package.index if len(path) == 0 else "/".join(path))720    721    def read_identifier(self):722        raw_id = self.reader.read_identifier()723        return re.sub("_+$", "", raw_id)724    725    def parse_import(self, leading_trivia):726        if not self.reader.read_token("import"):727            return None728        import_start = self.reader.prev_token_offset729        730        import_all_alias = None731        import_parts = []732        733        if self.reader.read_token("*"):734            self.reader.expect_token("as")735            import_all_alias = self.reader.expect_identifier()736        else:737            self.reader.expect_token("{")738            while True:739                if self.reader.peek_token("}"):740                    break741                742                imp = self.reader.expect_identifier()743                if self.reader.read_token("as"):744                    self.reader.fail("This is not yet supported")745                import_parts.append(types.UnresolvedImport(imp))746                self.node_manager.add_node(imp, self.reader.prev_token_offset)747                if not (self.reader.read_token(",")):748                    break749            self.reader.expect_token("}")750        751        self.reader.expect_token("from")752        module_name = self.reader.expect_string()753        self.reader.expect_token(";")754        755        import_scope = TypeScriptParser2.calculate_import_scope(self.export_scope, module_name) if self.export_scope != None else None756        757        imports = []758        if len(import_parts) > 0:759            imports.append(types.Import(import_scope, False, import_parts, None, leading_trivia))760        761        if import_all_alias != None:762            imports.append(types.Import(import_scope, True, None, import_all_alias, leading_trivia))763        #this.nodeManager.addNode(imports, importStart);764        return imports765    766    def parse_source_file(self):767        imports = []768        enums = []769        intfs = []770        classes = []771        funcs = []772        while True:773            leading_trivia = self.reader.read_leading_trivia()774            if self.reader.get_eof():775                break776            777            imps = self.parse_import(leading_trivia)778            if imps != None:779                for imp in imps:780                    imports.append(imp)781                continue782            783            modifiers = self.reader.read_modifiers(["export", "declare"])784            is_exported = "export" in modifiers785            is_declaration = "declare" in modifiers786            787            cls_ = self.parse_class(leading_trivia, is_exported, is_declaration)788            if cls_ != None:789                classes.append(cls_)790                continue791            792            enum_obj = self.parse_enum(leading_trivia, is_exported)793            if enum_obj != None:794                enums.append(enum_obj)795                continue796            797            intf = self.parse_interface(leading_trivia, is_exported)798            if intf != None:799                intfs.append(intf)800                continue801            802            if self.reader.read_token("function"):803                func_name = self.read_identifier()804                self.reader.expect_token("(")805                sig = self.parse_method_signature(False, is_declaration)806                funcs.append(types.GlobalFunction(func_name, sig.params, sig.body, sig.returns, is_exported, leading_trivia))807                continue808            809            break810        811        self.reader.skip_whitespace()812        813        stmts = []814        while True:815            leading_trivia = self.reader.read_leading_trivia()816            if self.reader.get_eof():...

libgen.py

Source:libgen.py

...72    def __init__ (self, file):73        self.f = file74        self.current_line = 075        self._didremovecomments = False76    def read_token(self):77        self.f.tell()  # <--- EXTREMELY IMPORTANT, do not remove or bugs will appear on parsing78        line = self.f.readline()79        #print("pos", hex(curr), "Line", line)80        #print(hex(self.f.tell()))81        self.current_line += 182        if not line:83            return ""84        line = line.strip()85        comment = line.find("#")86        if comment != -1:87            line = line[:comment]88            self._didremovecomments = True89        comment2 = line.find("//")90        if comment2 != -1:91            line = line[:comment2]92            self._didremovecomments = True93        if line.strip() == "":94            line = self.read_token()  # Try reading the next token95        return line.strip()96    def peek_token(self):97        #print("next is a peek")98        curr = self.f.tell()99        currline = self.current_line100        next_token = self.read_token()101        self.current_line = currline102        self.f.seek(curr)103        #print(curr, self.f.tell())104        assert curr == self.f.tell()105        #print("peek done, result:", next_token)106        return next_token107    def read_section_rest_raw(self):108        curr = f.tell()109        self.skip_current_section()110        end = f.tell()111        f.seek(curr)112        rest = f.read(end-curr)113        f.seek(curr)114        return rest115    def skip_next_section(self):116        token = self.read_token()117        if token == "{":118            level = 1119            while level != 0:120                token = self.read_token()121                if token == "{":122                    level += 1123                elif token == "}":124                    level -= 1125                elif token == "":126                    raise RuntimeError("Reached end of file while skipping {{ }} block. File is likely malformed")127        else:128            raise RuntimeError("Expected '{{' for start of section, instead got {0}".format(token))129    def skip_current_section(self):130        level = 0131        while level != -1:132            token = self.read_token()133            if token == "{":134                level += 1135            elif token == "}":136                level -= 1137            elif token == "":138                raise RuntimeError("Reached end of file while skipping to end of current { } block. File is likely malformed.")139    def read_vector3f(self):140        val = self.read_token()141        floats = val.split(" ")142        if len(floats) != 3:143            raise RuntimeError("Tried to read Vector3f but got {0}".format(floats))144        return float(floats[0]), float(floats[1]), float(floats[2])145    def read_integer(self):146        val = self.read_token()147        if val == "":148            raise RuntimeError("Reached end of file while reading integer!")149        return int(val)150    def read_float(self):151        val = self.read_token()152        if val == "":153            raise RuntimeError("Reached end of file while reading float!")154        return float(val)155    def read_string(self):156        val = self.read_token()157        #print(val)158        #assert val[0] == "\"" and val[-1] == "\""159        syntax_assert(val[0] == "\"" and val[-1] == "\"",160                      "Malformed String", self.current_line, val)161        return val[1:-1]162    def read_string_tripple(self):163        val = self.read_token()164        tripple = []165        start = None166        #for i in range(3):167        for i, char in enumerate(val):168            if char == "\"" and start is None:169                start = i170            elif char == "\"" and start is not None:171                tripple.append(val[start:i+1])172                start = None173        if start is not None:174            raise RuntimeError("Malformed string tripple {0}".format(val))175        return tripple176    def read_float_int(self):177        val = self.read_token()178        f, i = val.split(" ")179        return float(f), int(i)180    def read_int_string(self):181        val = self.read_token()182        i, s = val.split(" ")183        s = s.strip()184        syntax_assert(s[0] == "\"" and s[-1] == "\"",185                      "Malformed String", self.current_line, val)186        return int(i), s[1:-1]187class GeneratorParameters(object):188    pass189class GeneratorObject(object):190    def __init__(self, name, version, generatorid=["", "", ""], modes=[1, 1, 1], fid=0, fmt=0):191        self.name = name192        self.version = version193        self.generatorid = generatorid194        self.modes = modes195        self.fid = fid196        self.fmt = fmt197        self.spline = []198        self.spline_float = None199        self.spline_params = []200        self.position = Vector3(0, 0, 0)201        self.rotation = Vector3(0, 0, 0)202        self.scale = 1.0203        self.unknown_params = OrderedDict()204    def from_other(self, obj):205        self.name = obj.name206        self.version = obj.version207        self.generatorid = obj.generatorid208        self.spline = obj.spline209        self.spline_params = obj.spline_params210        self.position = obj.position211        self.rotation = obj.rotation212        self.scale = obj.scale213        self.unknown_params = obj.unknown_params214    def copy(self):215        return deepcopy(self)216    @classmethod217    def from_generator_file(cls, reader: GeneratorReader):218        name = reader.read_string()219        #print("NOW WE ARE DOING ", name)220        version = reader.read_string()221        generatorid = reader.read_string_tripple()222        if int(version) >= 6:223            print("version 6 or higher, getting mode booleans")224            modes = [225                reader.read_token(),226                reader.read_token(),227                reader.read_token()228            ]229            if int(version) >= 7:230                print("version 7 or higher, getting fid and fmt")231                fid = reader.read_token()232                fmt = reader.read_token()233                gen = cls(name, version, generatorid, modes, fid, fmt)234            else:235                gen = cls(name, version, generatorid, modes)236        else:237            print("version lower than 6")238            gen = cls(name, version, generatorid)239        gen.read_parameters(reader)240        gen._read_spline(reader)241        return gen242    def write(self, writer: GeneratorWriter):243        writer.write_string(self.name)244        writer.write_string(self.version)245        writer.write_string_tripple(*self.generatorid)246        if int(self.version) >= 6:247            writer.write_token(self.modes[0], "# Normal [0=false, 1=true]")248            writer.write_token(self.modes[1], "# Hard [0=false, 1=true]")249            writer.write_token(self.modes[2], "# Ultra-Spicy [0=false, 1=true]")250            if int(self.version) >= 7:251                writer.write_token(self.fid, "# Face ID (Unknown)")252                writer.write_token(self.fmt, "# Face Message Table (Unkown)")253        254        self.write_parameters(writer)255        if len(self.spline) == 0:256            writer.write_string("no-spline")257        else:258            writer.write_string("spline")259            writer.write_integer(len(self.spline))260            for x, y, z in self.spline:261                writer.write_vector3f(x, y, z)262            writer.write_float_int(self.spline_float, len(self.spline_params))263            for id, name, params in self.spline_params:264                writer.write_int_string(id, name)265                writer.open_bracket()266                for paramname, paramval in params.items():267                    writer.open_bracket()268                    writer.write_string(paramname)269                    writer.write_token(paramval)270                    writer.close_bracket()271                writer.close_bracket()272    def _get_comments(self, param):273        if param == "mSaveOption":274            return ["flag", "birthday", "deadday", "interval", "expireday", "curr num", "expire progress"]275        else:276            return []277    def write_parameters(self, writer:GeneratorWriter):278        writer.open_bracket()279        writer.open_bracket()280        writer.write_string("mPos")281        writer.write_vector3f(self.position.x, self.position.y, self.position.z)282        writer.close_bracket()283        writer.open_bracket()284        writer.write_string("mBaseScale")285        writer.write_float(self.scale)286        writer.close_bracket()287        writer.open_bracket()288        writer.write_string("mPosture")289        writer.write_vector3f(self.rotation.x, self.rotation.y, self.rotation.z)290        writer.close_bracket()291        for param, values in self.unknown_params.items():292            comments = self._get_comments(param)293            writer.open_bracket()294            writer.write_string(param)295            if param == "mEmitRadius":296                writer.write_float(values)297            else:298                level = 0299                for i, val in enumerate(values):300                    if val == "{":301                        writer.open_bracket()302                        level += 1303                    elif val == "}":304                        writer.close_bracket()305                        level -= 1306                    else:307                        if i < len(comments):308                            writer.write_token(val, "# "+comments[i])309                        else:310                            writer.write_token(val)311                syntax_assert(level==0, "Bracket mismatch", writer.current_line)312            writer.close_bracket()313        writer.close_bracket()314    def read_parameters(self, reader: GeneratorReader):315        if reader.read_token() != "{":316            raise RuntimeError("")317        next = reader.read_token()318        if next == "":319            raise RuntimeError("Tried to read parameters but encountered EOF")320        assert next in ("{", "}")321        while next != "}":322            param_name = reader.read_string()323            if param_name == "mPos":324                self.position = Vector3(*reader.read_vector3f())325                reader.read_token()326            elif param_name == "mPosture":327                self.rotation = Vector3(*reader.read_vector3f())328                reader.read_token()329            elif param_name == "mBaseScale":330                self.scale = reader.read_float()331                reader.read_token()332            elif param_name == "mEmitRadius":333                self.unknown_params[param_name] = reader.read_float()334                reader.read_token()335            else:336                unkdata = []337                level = 0338                while level != -1:339                    subnext = reader.read_token()340                    if subnext == "":341                        raise RuntimeError("Encountered EOF while reading parameter")342                    elif subnext == "{":343                        level += 1344                    elif subnext == "}":345                        level -= 1346                    if level != -1:347                        unkdata.append(subnext)348                self.unknown_params[param_name] = unkdata349            next = reader.read_token()350            syntax_assert(next != "",351                          "Reached end of file while parsing parameters",352                          reader.current_line)353            syntax_assert(next in ("{", "}"),354                          "Malformed file, expected {{ or }} but got {0}".format(next),355                          reader.current_line)356            #assert next in ("{", "}", "")357    def _read_spline(self, reader: GeneratorReader):358        splinetext = reader.read_string()359        if splinetext == "no_spline":360            pass361        elif splinetext == "spline":362            spline_count = reader.read_integer()363            for i in range(spline_count):364                self.spline.append(reader.read_vector3f())365            self.spline_float, paramcount = reader.read_float_int()366            self.spline_params = []367            for i in range(paramcount):368                id, splinename = reader.read_int_string()369                assert reader.read_token() == "{"370                next = reader.read_token()371                assert next != ""372                params = OrderedDict()373                while next != "}":374                    assert next == "{"375                    paramname = reader.read_string()376                    paramval = reader.read_token()377                    assert reader.read_token() == "}"378                    next = reader.read_token()379                    params[paramname] = paramval380                self.spline_params.append((id, splinename, params))381class GeneratorFile(object):382    def __init__(self):383        self.generators = []384    @classmethod385    def from_file(cls, f):386        """data = f.read()387        if "#" not in data:388            #print(data)389            #assert "#" in f.read()390            dontsave = True391        else:392            dontsave = False393        f.seek(0)"""394        genfile = cls()395        reader = GeneratorReader(f)396        written = {}397        try:398            start = reader.read_token()399            if start != "{":400                raise RuntimeError("Expected file to start with '{'")401            next = reader.peek_token()402            if next == "":403                raise RuntimeError("Malformed file, expected generator object or '}'")404            while next != "}":405                start = reader.f.tell()406                generator = GeneratorObject.from_generator_file(reader)407                end = reader.f.tell()408                #print(generator.name)409                genfile.generators.append(generator)410                next = reader.peek_token()411                #assert reader.peek_token() == next412                #assert reader.peek_token() == next...

test_client.py

Source:test_client.py

1#!/usr/bin/env python2# -*- coding: utf-8 -*-3import uuid4from mock import mock5import requests6import warp10client7from warp10client.tests import base8from warp10client.timeserie import Timeserie9class TestWarp10ClientTestCase(base.BaseTestCase):10    def setUp(self):11        super(TestWarp10ClientTestCase, self).setUp()12        self.mock_session = mock.Mock()13        self.mock_response = mock.Mock()14        self.write_token = str(uuid.uuid4())15        self.read_token = str(uuid.uuid4())16        self.resource_id = str(uuid.uuid4())17        self.project_id = str(uuid.uuid4())18        self.warp10_url = 'http://example.warp10.com'19        self.metric_name = 'cpu_util'20        self.app = 'example.project_name'21        self.expected_value = 0.72190925525522        self.expected_timestamp = 150639840000000023        self.expected_unit = '%'24        self.metric_write = {25            'name': self.metric_name,26            'tags': {27                'resource_id': self.resource_id,28                'project_id': self.project_id,29                'unit': self.expected_unit,30            },31            'position': {32                'longitude': None,33                'latitude': None,34                'elevation': None,35                'timestamp': self.expected_timestamp,36            },37            'value': self.expected_value,38        }39        self.metric_get = {40            'name': self.metric_name,41            'tags': {42                'resource_id': self.resource_id,43                'project_id': self.project_id,44            },45            'aggregate': {46                'type': 'mean',47                'span': 1000000 * 3600,48            },49            'timestamp': {50                'start': "2017-01-01T00:00:00.000Z",51                'end': "2018-01-01T00:00:00.000Z"52            }53        }54    def test_call_fetch(self):55        self.mock_response.status_code = 20056        self.mock_session.post = mock.Mock(return_value=self.mock_response)57        expected_url = self.warp10_url + '/exec'58        expected_headers = {59            'X-Warp10-Token': self.read_token,60        }61        with mock.patch('requests.Session', return_value=self.mock_session):62            client = warp10client.Warp10Client(write_token=self.write_token,63                                               read_token=self.read_token,64                                               warp10_api_url=self.warp10_url)65            client._call(self.metric_get, call_type='fetch')66            self.mock_session.post.assert_called_with(expected_url,67                                                      data=mock.ANY,68                                                      headers=expected_headers)69    def test_call_ingress(self):70        self.mock_response.status_code = 20071        self.mock_session.post = mock.Mock(return_value=self.mock_response)72        expected_url = self.warp10_url + '/update'73        expected_headers = {74            'X-Warp10-Token': self.write_token,75            'Content-Type': 'text/plain'76        }77        with mock.patch('requests.Session', return_value=self.mock_session):78            client = warp10client.Warp10Client(write_token=self.write_token,79                                               read_token=self.read_token,80                                               warp10_api_url=self.warp10_url)81            client._call(self.metric_write, call_type='ingress')82            self.mock_session.post.assert_called_with(expected_url,83                                                      data=mock.ANY,84                                                      headers=expected_headers)85    def test_get_resp_200(self):86        self.mock_response.status_code = 20087        self.mock_session.post = mock.Mock(return_value=self.mock_response)88        string_args = [self.metric_name, self.resource_id,89                       self.project_id, self.app, "{}",90                       self.expected_timestamp, self.expected_value]91        resp_content = '[[{{"c":"{}","l":{{"resource_id":"{}",'\92                       '"project_id":"{}",".app":"{}"}},"a":{}'\93                       ',"v":[[{},{}]]}}]]'.format(*string_args)94        self.mock_response.content = resp_content95        expected_tags = {96            'resource_id': str(self.resource_id),97            'project_id': str(self.project_id),98            '.app': self.app99        }100        with mock.patch('requests.Session', return_value=self.mock_session):101            client = warp10client.Warp10Client(write_token=self.write_token,102                                               read_token=self.read_token,103                                               warp10_api_url=self.warp10_url)104            timeserie = client.get(self.metric_get)105            self.assertIsInstance(timeserie, Timeserie)106            self.assertEqual(timeserie.metrics[0].name, self.metric_name)107            self.assertEqual(timeserie.metrics[0].value, self.expected_value)108            self.assertEqual(timeserie.metrics[0]._tags, expected_tags)109            self.assertEqual(timeserie.metrics[0].position.timestamp,110                             self.expected_timestamp)111    def test_get_resp_503(self):112        self.mock_response.status_code = 503113        self.mock_session.post = mock.Mock(return_value=self.mock_response)114        with mock.patch('requests.Session', return_value=self.mock_session):115            client = warp10client.Warp10Client(write_token=self.write_token,116                                               read_token=self.read_token,117                                               warp10_api_url=self.warp10_url)118            self.assertRaises(requests.RequestException,119                              client.get, self.metric_get)120    def test_exists_metric_exists(self):121        mock_response = mock.Mock()122        mock_response.status_code.return_value = 200123        string_args = [self.metric_name, self.resource_id,124                       self.project_id, self.app, "{}",125                       self.expected_timestamp, self.expected_value]126        resp_content = '[[{{"c":"{}","l":{{"resource_id":"{}",'\127                       '"project_id":"{}",".app":"{}"}},"a":{}'\128                       ',"v":[[{},{}]]}}]]'.format(*string_args)129        mock_response.content = resp_content130        with mock.patch(131                'requests.Session', return_value=self.mock_session132        ), mock.patch(133                'warp10client.client.Warp10Client._call',134                return_value=mock_response135        ):136            client = warp10client.Warp10Client(write_token=self.write_token,137                                               read_token=self.read_token,138                                               warp10_api_url=self.warp10_url)139            self.assertTrue(client.exists(self.metric_get))140    def test_exists_non_exist(self):141        mock_response = mock.Mock()142        mock_response.status_code.return_value = 200143        resp_content = '[[]]'144        mock_response.content = resp_content145        with mock.patch(146                'requests.Session', return_value=self.mock_session147        ), mock.patch(148                'warp10client.client.Warp10Client._call',149                return_value=mock_response150        ):151            client = warp10client.Warp10Client(write_token=self.write_token,152                                               read_token=self.read_token,153                                               warp10_api_url=self.warp10_url)154            self.assertFalse(client.exists(self.metric_get))155    def test_delete(self):156        with mock.patch('requests.Session', return_value=self.mock_session):157            client = warp10client.Warp10Client(write_token=self.write_token,158                                               read_token=self.read_token,159                                               warp10_api_url=self.warp10_url)160            self.assertRaises(NotImplementedError,161                              client.delete, self.metric_write)162    def test__call__gen_requests_body(self):163        with mock.patch('warp10client.client.Warp10Client._gen_request_body',164                        side_effect=warp10client.client.CallException):165            client = warp10client.Warp10Client(write_token=self.write_token,166                                               read_token=self.read_token,167                                               warp10_api_url=self.warp10_url)168            self.assertRaises(warp10client.client.CallException,169                              client._call, self.metric_write)170    def test__call__get_method(self):171        with mock.patch('warp10client.client.Warp10Client._get_method',172                        side_effect=warp10client.client.CallException):173            client = warp10client.Warp10Client(write_token=self.write_token,174                                               read_token=self.read_token,175                                               warp10_api_url=self.warp10_url)176            self.assertRaises(warp10client.client.CallException,...

pdf_parser.py

Source:pdf_parser.py

...17		index = index + 118def view_token() :19	global index20	save_index = index21	t = read_token()22	index = save_index23	return t24def read_token() :25	global index26	skip_blanks()27	token = ''28	c = contents[index]29	if is_special(c) :30		if contents[index:index+2] in [ '<<', '>>' ] :31			token = contents[index:index+2]32			index = index + 233		else :34			token = c35			index = index + 136	else :37		while not is_blank(c) and not is_special(c) :38			token = token + c39			index = index + 140			c = contents[index]41	return token42def read_dictionnary() :43	d = { }44	while view_token() != '>>' :45		name = read_element() # should be /name46		element = read_element()47		#print "++", "element=", element48		try :49			d[name] = element50		except :51			print 'name=', name52			raise53	54	read_token() # consume '>>'55	return d56def read_string() :57	global index58	level = 059	s = ''60	c = contents[index]61	while level >= 0 :62		if c == ')' : level = level - 163		if c == '(' : level = level + 164		if level >=0 : s = s + c65		index = index + 166		c = contents[index]67	68	index = index + 1 # consume ')'69	return s70def read_array() :71	a = [ ]72	while view_token() != ']' :73		element = read_element()74		a.append(element)75	76	read_token() # consume ']'77	return a78	79	80def read_element() :81	global index82	t = read_token()83	if t == '<<' : element = read_dictionnary()84	elif t == '/' : element = '/' + read_token()85	#elif t == '<' : element = read_hexstring()86	elif t == '[' : element = read_array()87	elif t == '(' : element = read_string()88	else :89		if t.isdigit() : # find out if is it a reference90			save_index = index91			a = read_token()92			r = read_token()93			if r == 'R' : # it is a reference94				element = [ 'R', t, a ]95			else :96				index = save_index97				element = t98		else :99			element = t100	return element101	102def skip_to_endstream() :103	global index104	while contents[index:index+9] != 'endstream' :105		index = index + 1106	index = index + 9107def read_obj(id) :108	id = int(id)109	id_gen = int(read_token())110	t = read_token()111	if t != 'obj' :112		# error113		raise Exception('obj expected ! (found %s)' % t)114	read_element()115	t = read_token()116	if t == 'stream' :117		#print 'stream'118		skip_to_endstream()119		read_token() # should be endobj120		#print 'endobj'121	elif t == 'endobj' :122		#print 'endobj'123		None124	else :125		raise Exception('not supported %s in read_obj()' % t)126	127def read_startxref() :128	t = read_token() # should be 'startxref'129	t = read_token()130def read_trailer() :131	t = read_token() # should be '<<'132	print 'read_trailer: t=', t133	read_dictionnary()134	read_startxref()135def read_xref() :136	while read_token() != 'trailer' :137		None138	read_trailer()139while True :140	t = read_token()141	if t == 'xref' :142		read_xref()143	elif t == '%' :144		if contents[index:index+4] == '%EOF' : break145		print 'comment'146		skip_to_eol()147	else :148		# obj149#		print 'tok=', t...

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