本文整理汇总了Python中pyparsing.Suppress.setFailAction方法的典型用法代码示例。如果您正苦于以下问题：Python Suppress.setFailAction方法的具体用法？Python Suppress.setFailAction怎么用？Python Suppress.setFailAction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pyparsing.Suppress的用法示例。
在下文中一共展示了Suppress.setFailAction方法的1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: __init__
# 需要导入模块: from pyparsing import Suppress [as 别名]
# 或者: from pyparsing.Suppress import setFailAction [as 别名]
class BgpPolicyParser:
"""Parser class"""
def __init__(self, network):
self.network = network
self.g_business_relationship = nx.DiGraph()
self.user_defined_sets = {}
self.user_library_calls = []
self.user_defined_functions = {}
# Grammars
#TODO: tidy this up
attribute_unnamed = Word(alphanums+'_'+".")
attribute = attribute_unnamed.setResultsName("attribute")
self.attribute = attribute
lt = Literal("<").setResultsName("<")
le = Literal("<=").setResultsName("<=")
eq = Literal("=").setResultsName("=")
ne = Literal("!=").setResultsName("!=")
ge = Literal(">=").setResultsName(">=")
gt = Literal(">").setResultsName(">")
wildcard = Literal("*").setResultsName("wildcard")
self.wildcard = wildcard
self.prefix_lists = {}
self.tags_to_allocate = set()
self.allocated_tags = {}
self._opn = {
'<': operator.lt,
'<=': operator.le,
'=': operator.eq,
'!=': operator.ne,
'>=': operator.ge,
'>': operator.gt,
'&': set.intersection,
'|': set.union,
}
# map alphanum chars to alphanum equivalents for use in tags
self._opn_to_tag = {
'<': "lt",
'<=': "le",
'=': "eq",
'!=': "ne",
'>=': "ge",
'>': "gt",
'&': "and",
'|': "or",
}
# Both are of comparison to access in same manner when evaluating
comparison = (lt | le | eq | ne | ge | gt).setResultsName("comparison")
stringComparison = (eq | ne).setResultsName("comparison")
#
#quoted string is already present
float_string = Word(nums).setResultsName("value").setParseAction(lambda t: float(t[0]))
integer_string = Word(nums).setResultsName("value").setParseAction(lambda t: int(t[0]))
#TODO: use numString, and make integer if fiull stop
#TODO: allow parentheses? - should be ok as pass to the python parser
ipField = Word(nums, max=3)
ipAddress = Combine( ipField + "." + ipField + "." + ipField + "." + ipField ).setResultsName("ipAddress")
boolean_and = Literal("&").setResultsName("&")
boolean_or = Literal("|").setResultsName("|")
boolean = (boolean_and | boolean_or).setResultsName("boolean")
self._boolean = boolean # need to use in checking
#TODO fix this matching 2a.ab when that should match a string
numericQuery = Group(attribute + comparison + float_string).setResultsName( "numericQuery")
stringValues = (attribute_unnamed | quotedString.setParseAction(removeQuotes)
).setResultsName("value")
stringQuery = Group(attribute + stringComparison + stringValues).setResultsName( "stringQuery")
wildcardQuery = wildcard.setResultsName("wildcardQuery")
singleQuery = numericQuery | stringQuery | wildcardQuery
singleQuery.setFailAction(parse_fail_action)
self.nodeQuery = singleQuery + ZeroOrMore(boolean + singleQuery)
self.u_egress = Literal("egress->").setResultsName("u_egress")
self.v_ingress = Literal("->ingress").setResultsName("v_ingress")
self.u_ingress = Literal("ingress<-").setResultsName("u_ingress")
self.v_egress = Literal("<-egress").setResultsName("v_egress")
edgeType = ( self.u_egress | self.u_ingress | self.v_egress
| self.v_ingress).setResultsName("edgeType").setFailAction(parse_fail_action)
self.edgeQuery = ("(" + self.nodeQuery.setResultsName("query_a") + ")"
+ edgeType
+ "(" + self.nodeQuery.setResultsName("query_b")
+ ")").setFailAction(parse_fail_action)
#start of BGP queries
originQuery = (Literal("Origin").setResultsName("attribute") +
#this is a workaround for the match, comparison, value 3-tuple in processing
Literal("(").setResultsName("comparison") +
Group(self.nodeQuery).setResultsName("value") + Suppress(")")).setResultsName("originQuery")
transitQuery = (Literal("Transit").setResultsName("attribute") +
#.........这里部分代码省略.........