本文整理汇总了Python中jmespath.ast.projection方法的典型用法代码示例。如果您正苦于以下问题：Python ast.projection方法的具体用法？Python ast.projection怎么用？Python ast.projection使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jmespath.ast的用法示例。
在下文中一共展示了ast.projection方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _token_nud_lbracket
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
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
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
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: _parse_projection_rhs
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
def _parse_projection_rhs(self, binding_power):
# Parse the right hand side of the projection.
if self.BINDING_POWER[self._current_token()] < self._PROJECTION_STOP:
# BP of 10 are all the tokens that stop a projection.
right = ast.identity()
elif self._current_token() == 'lbracket':
right = self._expression(binding_power)
elif self._current_token() == 'filter':
right = self._expression(binding_power)
elif self._current_token() == 'dot':
self._match('dot')
right = self._parse_dot_rhs(binding_power)
else:
self._raise_parse_error_for_token(self._lookahead_token(0),
'syntax error')
return right 示例4: _parse_projection_rhs
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
def _parse_projection_rhs(self, binding_power):
# Parse the right hand side of the projection.
if self.BINDING_POWER[self._current_token()] < self._PROJECTION_STOP:
# BP of 10 are all the tokens that stop a projection.
right = ast.identity()
elif self._current_token() == 'lbracket':
right = self._expression(binding_power)
elif self._current_token() == 'filter':
right = self._expression(binding_power)
elif self._current_token() == 'dot':
self._match('dot')
right = self._parse_dot_rhs(binding_power)
else:
t = self._lookahead_token(0)
lex_position = t['start']
actual_value = t['value']
actual_type = t['type']
raise exceptions.ParseError(lex_position, actual_value,
actual_type, 'syntax error')
return right 示例5: _parse_projection_rhs
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
def _parse_projection_rhs(self, binding_power):
# Parse the right hand side of the projection.
if self.BINDING_POWER[self._current_token()] < 10:
# BP of 10 are all the tokens that stop a projection.
right = ast.identity()
elif self._current_token() == 'lbracket':
right = self._expression(binding_power)
elif self._current_token() == 'filter':
right = self._expression(binding_power)
elif self._current_token() == 'dot':
self._match('dot')
right = self._parse_dot_rhs(binding_power)
else:
t = self._lookahead_token(0)
lex_position = t['start']
actual_value = t['value']
actual_type = t['type']
raise exceptions.ParseError(lex_position, actual_value,
actual_type, 'syntax error')
return right 示例6: _token_nud_flatten
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
def _token_nud_flatten(self, token):
left = ast.flatten(ast.identity())
right = self._parse_projection_rhs(
self.BINDING_POWER['flatten'])
return ast.projection(left, right) 示例7: _token_led_dot
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
def _token_led_dot(self, left):
if not self._current_token() == 'star':
right = self._parse_dot_rhs(self.BINDING_POWER['dot'])
if left['type'] == 'subexpression':
left['children'].append(right)
return left
else:
return ast.subexpression([left, right])
else:
# We're creating a projection.
self._advance()
right = self._parse_projection_rhs(
self.BINDING_POWER['dot'])
return ast.value_projection(left, right) 示例8: _token_led_flatten
# 需要导入模块: from jmespath import ast [as 别名]
# 或者: from jmespath.ast import projection [as 别名]
def _token_led_flatten(self, left):
left = ast.flatten(left)
right = self._parse_projection_rhs(
self.BINDING_POWER['flatten'])
return ast.projection(left, right)