本文整理匯總了Python中jmespath.ast.index_expression方法的典型用法代碼示例。如果您正苦於以下問題：Python ast.index_expression方法的具體用法？Python ast.index_expression怎麽用？Python ast.index_expression使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類jmespath.ast的用法示例。
在下文中一共展示了ast.index_expression方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _token_nud_lbracket
# 需要導入模塊: from jmespath import ast [as 別名]
# 或者: from jmespath.ast import index_expression [as 別名]
def _token_nud_lbracket(self, token):
if self._current_token() in ['number', 'colon']:
right = self._parse_index_expression()
# We could optimize this and remove the identity() node.
# We don't really need an index_expression node, we can
# just use emit an index node here if we're not dealing
# with a slice.
return self._project_if_slice(ast.identity(), right)
elif self._current_token() == 'star' and \
self._lookahead(1) == 'rbracket':
self._advance()
self._advance()
right = self._parse_projection_rhs(self.BINDING_POWER['star'])
return ast.projection(ast.identity(), right)
else:
return self._parse_multi_select_list() 示例2: _token_led_lbracket
# 需要導入模塊: from jmespath import ast [as 別名]
# 或者: from jmespath.ast import index_expression [as 別名]
def _token_led_lbracket(self, left):
token = self._lookahead_token(0)
if token['type'] in ['number', 'colon']:
right = self._parse_index_expression()
if left['type'] == 'index_expression':
# Optimization: if the left node is an index expr,
# we can avoid creating another node and instead just add
# the right node as a child of the left.
left['children'].append(right)
return left
else:
return self._project_if_slice(left, right)
else:
# We have a projection
self._match('star')
self._match('rbracket')
right = self._parse_projection_rhs(self.BINDING_POWER['star'])
return ast.projection(left, right) 示例3: _project_if_slice
# 需要導入模塊: from jmespath import ast [as 別名]
# 或者: from jmespath.ast import index_expression [as 別名]
def _project_if_slice(self, left, right):
index_expr = ast.index_expression([left, right])
if right['type'] == 'slice':
return ast.projection(
index_expr,
self._parse_projection_rhs(self.BINDING_POWER['star']))
else:
return index_expr