Python jinja2.nodes.Impossible() Examples

The following are 30 code examples of jinja2.nodes.Impossible(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module jinja2.nodes , or try the search function .
Example #1
Source File: optimizer.py    From jbox with MIT License 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #2
Source File: optimizer.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #3
Source File: optimizer.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #4
Source File: optimizer.py    From syntheticmass with Apache License 2.0 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #5
Source File: optimizer.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #6
Source File: optimizer.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #7
Source File: optimizer.py    From Financial-Portfolio-Flask with MIT License 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #8
Source File: optimizer.py    From SA-ctf_scoreboard with Creative Commons Zero v1.0 Universal 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #9
Source File: optimizer.py    From luci-py with Apache License 2.0 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #10
Source File: optimizer.py    From Flask-P2P with MIT License 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #11
Source File: optimizer.py    From data with GNU General Public License v3.0 6 votes vote down vote up 
def visit_If(self, node):
        """Eliminate dead code."""
        # do not optimize ifs that have a block inside so that it doesn't
        # break super().
        if node.find(nodes.Block) is not None:
            return self.generic_visit(node)
        try:
            val = self.visit(node.test).as_const()
        except nodes.Impossible:
            return self.generic_visit(node)
        if val:
            body = node.body
        else:
            body = node.else_
        result = []
        for node in body:
            result.extend(self.visit_list(node))
        return result
Example #12
Source File: compiler.py    From odoo13-x64 with GNU General Public License v3.0 5 votes vote down vote up 
def visit_EvalContextModifier(self, node, frame):
        for keyword in node.options:
            self.writeline('context.eval_ctx.%s = ' % keyword.key)
            self.visit(keyword.value, frame)
            try:
                val = keyword.value.as_const(frame.eval_ctx)
            except nodes.Impossible:
                frame.eval_ctx.volatile = True
            else:
                setattr(frame.eval_ctx, keyword.key, val)
Example #13
Source File: compiler.py    From odoo13-x64 with GNU General Public License v3.0 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(Markup if context.eval_ctx.autoescape else identity)(%r)'
                       % node.data)
Example #14
Source File: compiler.py    From EDCOP with Apache License 2.0 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(Markup if context.eval_ctx.autoescape else identity)(%r)'
                       % node.data)
Example #15
Source File: compiler.py    From SA-ctf_scoreboard with Creative Commons Zero v1.0 Universal 5 votes vote down vote up 
def visit_EvalContextModifier(self, node, frame):
        for keyword in node.options:
            self.writeline('context.eval_ctx.%s = ' % keyword.key)
            self.visit(keyword.value, frame)
            try:
                val = keyword.value.as_const(frame.eval_ctx)
            except nodes.Impossible:
                frame.eval_ctx.volatile = True
            else:
                setattr(frame.eval_ctx, keyword.key, val)
Example #16
Source File: compiler.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)'
                       % node.data)
Example #17
Source File: optimizer.py    From SA-ctf_scoreboard with Creative Commons Zero v1.0 Universal 5 votes vote down vote up 
def fold(self, node):
        """Do constant folding."""
        node = self.generic_visit(node)
        try:
            return nodes.Const.from_untrusted(node.as_const(),
                                              lineno=node.lineno,
                                              environment=self.environment)
        except nodes.Impossible:
            return node
Example #18
Source File: compiler.py    From SA-ctf_scoreboard with Creative Commons Zero v1.0 Universal 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)'
                       % node.data)
Example #19
Source File: optimizer.py    From planespotter with MIT License 5 votes vote down vote up 
def fold(self, node, eval_ctx=None):
        """Do constant folding."""
        node = self.generic_visit(node)
        try:
            return nodes.Const.from_untrusted(node.as_const(eval_ctx),
                                              lineno=node.lineno,
                                              environment=self.environment)
        except nodes.Impossible:
            return node
Example #20
Source File: optimizer.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def fold(self, node):
        """Do constant folding."""
        node = self.generic_visit(node)
        try:
            return nodes.Const.from_untrusted(node.as_const(),
                                              lineno=node.lineno,
                                              environment=self.environment)
        except nodes.Impossible:
            return node
Example #21
Source File: compiler.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)'
                       % node.data)
Example #22
Source File: optimizer.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def fold(self, node):
        """Do constant folding."""
        node = self.generic_visit(node)
        try:
            return nodes.Const.from_untrusted(node.as_const(),
                                              lineno=node.lineno,
                                              environment=self.environment)
        except nodes.Impossible:
            return node
Example #23
Source File: compiler.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def visit_EvalContextModifier(self, node, frame):
        for keyword in node.options:
            self.writeline('context.eval_ctx.%s = ' % keyword.key)
            self.visit(keyword.value, frame)
            try:
                val = keyword.value.as_const(frame.eval_ctx)
            except nodes.Impossible:
                frame.eval_ctx.volatile = True
            else:
                setattr(frame.eval_ctx, keyword.key, val)
Example #24
Source File: compiler.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)'
                       % node.data)
Example #25
Source File: compiler.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def visit_EvalContextModifier(self, node, frame):
        for keyword in node.options:
            self.writeline('context.eval_ctx.%s = ' % keyword.key)
            self.visit(keyword.value, frame)
            try:
                val = keyword.value.as_const(frame.eval_ctx)
            except nodes.Impossible:
                frame.eval_ctx.volatile = True
            else:
                setattr(frame.eval_ctx, keyword.key, val)
Example #26
Source File: compiler.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)'
                       % node.data)
Example #27
Source File: optimizer.py    From luci-py with Apache License 2.0 5 votes vote down vote up 
def fold(self, node):
        """Do constant folding."""
        node = self.generic_visit(node)
        try:
            return nodes.Const.from_untrusted(node.as_const(),
                                              lineno=node.lineno,
                                              environment=self.environment)
        except nodes.Impossible:
            return node
Example #28
Source File: compiler.py    From planespotter with MIT License 5 votes vote down vote up 
def visit_EvalContextModifier(self, node, frame):
        for keyword in node.options:
            self.writeline('context.eval_ctx.%s = ' % keyword.key)
            self.visit(keyword.value, frame)
            try:
                val = keyword.value.as_const(frame.eval_ctx)
            except nodes.Impossible:
                frame.eval_ctx.volatile = True
            else:
                setattr(frame.eval_ctx, keyword.key, val)
Example #29
Source File: compiler.py    From planespotter with MIT License 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(Markup if context.eval_ctx.autoescape else identity)(%r)'
                       % node.data)
Example #30
Source File: compiler.py    From Flask-P2P with MIT License 5 votes vote down vote up 
def visit_TemplateData(self, node, frame):
        try:
            self.write(repr(node.as_const(frame.eval_ctx)))
        except nodes.Impossible:
            self.write('(context.eval_ctx.autoescape and Markup or identity)(%r)'
                       % node.data)