blob: 5085aed71ae0ea695378b2f38c540d2ee80a7d4d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#
# dictExample.py
#
# Illustration of using pyparsing's Dict class to process tabular data
#
# Copyright (c) 2003, Paul McGuire
#
from pyparsing import Literal, Word, Group, Dict, ZeroOrMore, alphas, nums, delimitedList
import pprint
testData = """
+-------+------+------+------+------+------+------+------+------+
| | A1 | B1 | C1 | D1 | A2 | B2 | C2 | D2 |
+=======+======+======+======+======+======+======+======+======+
| min | 7 | 43 | 7 | 15 | 82 | 98 | 1 | 37 |
| max | 11 | 52 | 10 | 17 | 85 | 112 | 4 | 39 |
| ave | 9 | 47 | 8 | 16 | 84 | 106 | 3 | 38 |
| sdev | 1 | 3 | 1 | 1 | 1 | 3 | 1 | 1 |
+-------+------+------+------+------+------+------+------+------+
"""
# define grammar for datatable
heading = (Literal(
"+-------+------+------+------+------+------+------+------+------+") +
"| | A1 | B1 | C1 | D1 | A2 | B2 | C2 | D2 |" +
"+=======+======+======+======+======+======+======+======+======+").suppress()
vert = Literal("|").suppress()
number = Word(nums)
rowData = Group( vert + Word(alphas) + vert + delimitedList(number,"|") + vert )
trailing = Literal(
"+-------+------+------+------+------+------+------+------+------+").suppress()
datatable = heading + Dict( ZeroOrMore(rowData) ) + trailing
# now parse data and print results
data = datatable.parseString(testData)
print(data)
pprint.pprint(data.asList())
print("data keys=", list(data.keys()))
print("data['min']=", data['min'])
print("data.max", data.max)
|
