Exemple #1
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    def visit_Exec(self, n: ast27.Exec) -> ExpressionStmt:
        new_globals = n.globals
        new_locals = n.locals

        if new_globals is None:
            new_globals = ast27.Name("None",
                                     ast27.Load(),
                                     lineno=-1,
                                     col_offset=-1)
        if new_locals is None:
            new_locals = ast27.Name("None",
                                    ast27.Load(),
                                    lineno=-1,
                                    col_offset=-1)

        # TODO: Comment in visit_Print also applies here
        return self.visit_Expr(
            ast27.Expr(ast27.Call(ast27.Name("exec",
                                             ast27.Load(),
                                             lineno=n.lineno,
                                             col_offset=-1),
                                  [n.body, new_globals, new_locals], [],
                                  None,
                                  None,
                                  lineno=n.lineno,
                                  col_offset=-1),
                       lineno=n.lineno,
                       col_offset=-1))
Exemple #2
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 def visit_Repr(self, n: ast27.Repr) -> CallExpr:
     # TODO: Comment in visit_Print also applies here
     return self.visit_Call(ast27.Call(
         ast27.Name("repr", ast27.Load(), lineno=n.lineno, col_offset=-1),
         n.value,
         [], None, None,
         lineno=n.lineno, col_offset=-1))
Exemple #3
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    def visit_Raise(self, n: ast27.Raise) -> RaiseStmt:
        e = None
        if n.type is not None:
            e = n.type

            if n.inst is not None and not (isinstance(n.inst, ast27.Name) and n.inst.id == "None"):
                if isinstance(n.inst, ast27.Tuple):
                    args = n.inst.elts
                else:
                    args = [n.inst]
                e = ast27.Call(e, args, [], None, None, lineno=e.lineno, col_offset=-1)

        return RaiseStmt(self.visit(e), None)
Exemple #4
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    def visit_Print(self, n: ast27.Print) -> ExpressionStmt:
        keywords = []
        if n.dest is not None:
            keywords.append(ast27.keyword("file", n.dest))

        if not n.nl:
            keywords.append(ast27.keyword("end", ast27.Str(" ", 0,
                                                           lineno=n.lineno, col_offset=-1)))

        # TODO: Rather then desugaring Print into an intermediary ast27.Call object, it might
        # be more efficient to just directly create a mypy.node.CallExpr object.
        call = ast27.Call(
            ast27.Name("print", ast27.Load(), lineno=n.lineno, col_offset=-1),
            n.values, keywords, None, None,
            lineno=n.lineno, col_offset=-1)
        return self.visit_Expr(ast27.Expr(call, lineno=n.lineno, col_offset=-1))