我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用jinja2.nodes.EvalContext()。
def call_filter(self, name, value, args=None, kwargs=None, context=None, eval_ctx=None): """Invokes a filter on a value the same way the compiler does it. .. versionadded:: 2.7 """ func = self.filters.get(name) if func is None: raise TemplateRuntimeError('no filter named %r' % name) args = [value] + list(args or ()) if getattr(func, 'contextfilter', False): if context is None: raise TemplateRuntimeError('Attempted to invoke context ' 'filter without context') args.insert(0, context) elif getattr(func, 'evalcontextfilter', False): if eval_ctx is None: if context is not None: eval_ctx = context.eval_ctx else: eval_ctx = EvalContext(self) args.insert(0, eval_ctx) elif getattr(func, 'environmentfilter', False): args.insert(0, self) return func(*args, **(kwargs or {}))
def __init__(self, environment, parent, name, blocks): self.parent = parent self.vars = {} self.environment = environment self.eval_ctx = EvalContext(self.environment, name) self.exported_vars = set() self.name = name # create the initial mapping of blocks. Whenever template inheritance # takes place the runtime will update this mapping with the new blocks # from the template. self.blocks = dict((k, [v]) for k, v in iteritems(blocks)) # In case we detect the fast resolve mode we can set up an alias # here that bypasses the legacy code logic. if self._fast_resolve_mode: self.resolve_or_missing = MethodType(resolve_or_missing, self)
def __init__(self, environment, parent, name, blocks): self.parent = parent self.vars = {} self.environment = environment self.eval_ctx = EvalContext(self.environment, name) self.exported_vars = set() self.name = name # create the initial mapping of blocks. Whenever template inheritance # takes place the runtime will update this mapping with the new blocks # from the template. self.blocks = dict((k, [v]) for k, v in iteritems(blocks)) # In case we detect the fast resolve mode we can set up an alias # here that bypasses the legacy code logic. if self._fast_resolve_mode: self.resolve_or_missing = resolve_or_missing
