How to analyze the following text using pyparsing
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How to analyze the following text, please help me
-----------begin-----
d string : "Function"
e string : "qq,Sub=1,ManagedElement=1101,Function=0831||(w)L"
jj string : "7000||N"
b IRPTime :2014-01-18 16:44:42
c string : "Sub=1,Node=1,IRPAgent=1,AlarmIRP=1"
g short : 22
h short : 2
remainder_of_body struct {
name_value_pairs sequence {
name_value_pairs_0 struct {
name string : "a"
value any : {
long : 144
}
}
name_value_pairs_1 struct {
name string : "i"
value any : {
string : "7000||N"
}
}
name_value_pairs_2 struct {
name string : "w"
value any : {
sequence {
_0 struct {
source string : ""
notif_id_set sequence {
}
}
}
}
}
name_value_pairs_3 struct {
name string : "p"
value any : {
boolean : 0
}
}
name_value_pairs_4 struct {
name string : "q"
value any : {
string : ""
}
}
name_value_pairs_5 struct {
name string : "s"
value any : {
string : ""
}
}
name_value_pairs_6 struct {
name string : "r"
value any : {
struct {
attribute_id string : ""
observed_value float : 0
threshold_level union {
value boolean : 1
value struct {
indication enum : UP
low union {
value boolean : 1
value float : 0
}
high float : 0
}
}
arm_time string : ""
}
}
}
name_value_pairs_7 struct {
name string : "t"
value any : {
sequence {
_0 struct {
attribute_name string : "Sn"
old_value any : {
string : ""
}
new_value any : {
string : ""
}
}
}
}
}
name_value_pairs_8 struct {
name string : "u"
value any : {
sequence {
_0 struct {
attribute_name string : "Attributes"
value any : {
string : ""
}
}
}
}
}
name_value_pairs_9 struct {
name string : "v"
value any : {
string : "||"
}
}
name_value_pairs_10 struct {
name string : "j"
value any : {
string : ""
}
}
name_value_pairs_11 struct {
name string : "ps"
value any : {
string : "CRITICAL"
}
}
name_value_pairs_12 struct {
name string : "at"
value any : {
string : "communicationsAlarm"
}
}
name_value_pairs_13 struct {
name string : "f"
value any : {
string : "375"
}
}
}
remainder_of_non_filterable_body any : {
}
}
-----------end------
This parser will handle all but named_value_6. I leave the definitions of
enum and union up to you.
-- Paul
from pyparsing import *
from datetime import datetime
identifier = Word(alphas+'', alphanums+'')
integer = Regex(r'[+-]?\d+').setParseAction(lambda t: int(t[0]))
real = Regex(r'[+-]?\d+.\d*([Ee][+-]?\d+)?').setParseAction(lambda t:
float(t[0]))
timestamp = Regex(r'\d\d\d\d-\d\d-\d\d
\d\d:\d\d:\d\d').setParseAction(lambda t: datetime.strptime(t[0], "%Y-%m-%d
%H:%M:%S"))
string_ = dblQuotedString.copy().setParseAction(removeQuotes)
BOOLEAN,LONG,SHORT,FLOAT,IRPTIME,STRING,ANY,SEQUENCE,STRUCT,UNION,ENUM =
map(lambda s: Keyword(s).suppress(),
enum".split())
LBRACE,RBRACE,COLON = map(Suppress,"{}:")
boolean_value = BOOLEAN + COLON + integer
long_value = LONG + COLON + integer
short_value = SHORT + COLON + integer
float_value = FLOAT + COLON + (real | integer)
string_value = STRING + COLON + string_
time_value = IRPTIME + COLON + timestamp
struct_contents = Forward()
sequence_contents = Forward()
any_contents = Forward()
struct_value = STRUCT - struct_contents
sequence_value = SEQUENCE - sequence_contents
any_value = ANY + COLON - any_contents
type_value = boolean_value | long_value | short_value | float_value |
string_value | time_value | struct_value | sequence_value | any_value
name_value = Group(identifier + type_value)
struct_contents << Group(LBRACE + name_value*(0,None) + RBRACE)
sequence_contents << Group(LBRACE + (identifier + type_value)*(0,None) +
RBRACE)
any_contents << Group(LBRACE + type_value*(0,None) + RBRACE)
results = (name_value*(1,None)).parseString(sample)
import pprint
pprint.pprint(results.asList())
From: ningth ningth [mailto:ningth@users.sf.net]
Sent: Saturday, January 18, 2014 11:41 PM
To: [pyparsing:discussion]
Subject: [pyparsing:discussion] How to analyze the following text using
pyparsing
How to analyze the following text, please help me
-----------begin-----
d string : "Function"
e string : "qq,Sub=1,ManagedElement=1101,Function=0831||(w)L"
jj string : "7000||N"
b IRPTime :2014-01-18 16:44:42
c string : "Sub=1,Node=1,IRPAgent=1,AlarmIRP=1"
g short : 22
h short : 2
remainder_of_body struct {
name_value_pairs sequence {
name_value_pairs_0 struct {
name string : "a"
value any : {
long : 144
}
}
name_value_pairs_1 struct {
name string : "i"
value any : {
string : "7000||N"
}
}
name_value_pairs_2 struct {
name string : "w"
value any : {
sequence {
_0 struct {
source string : ""
notif_id_set sequence {
}
}
}
}
}
name_value_pairs_3 struct {
name string : "p"
value any : {
boolean : 0
}
}
name_value_pairs_4 struct {
name string : "q"
value any : {
string : ""
}
}
name_value_pairs_5 struct {
name string : "s"
value any : {
string : ""
}
}
name_value_pairs_6 struct {
name string : "r"
value any : {
struct {
attribute_id string : ""
observed_value float : 0
threshold_level union {
value boolean : 1
value struct {
indication enum : UP
low union {
value boolean : 1
value float : 0
}
high float : 0
}
}
arm_time string : ""
}
}
}
name_value_pairs_7 struct {
name string : "t"
value any : {
sequence {
_0 struct {
attribute_name string : "Sn"
old_value any : {
string : ""
}
new_value any : {
string : ""
}
}
}
}
}
name_value_pairs_8 struct {
name string : "u"
value any : {
sequence {
_0 struct {
attribute_name string : "Attributes"
value any : {
string : ""
}
}
}
}
}
name_value_pairs_9 struct {
name string : "v"
value any : {
string : "||"
}
}
name_value_pairs_10 struct {
name string : "j"
value any : {
string : ""
}
}
name_value_pairs_11 struct {
name string : "ps"
value any : {
string : "CRITICAL"
}
}
name_value_pairs_12 struct {
name string : "at"
value any : {
string : "communicationsAlarm"
}
}
name_value_pairs_13 struct {
name string : "f"
value any : {
string : "375"
}
}
}
remainder_of_non_filterable_body any : {
}
}
-----------end------
How to analyze the following text using pyparsing
https://sourceforge.net/p/pyparsing/discussion/337293/thread/8c797f45/?limi t=50#3dc1
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