-
Notifications
You must be signed in to change notification settings - Fork 2
/
convert.py
74 lines (56 loc) · 1.8 KB
/
convert.py
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
# -*- coding: utf-8 -*-
import sys
import getopt
import re
import simplejson
import yaml
def print_usage_text():
print """
Usage: python convert.py [args] [sqldumpfile] > [outputfile]
Options and arguments:
--format [json|yaml] -f [json|yaml] : specify output format, can be either JSON or YAML
--pretty-print -p : indents output for eye-candy
--help -h : this text
"""
pretty_print = False
try:
optlist, args = getopt.getopt(sys.argv[1:], 'hpf:', ['help', 'pretty-print', 'format='])
except getopt.GetoptError:
print_usage_text()
sys.exit(2)
for opt, arg in optlist:
if opt in ('-h', '--help'):
print_usage_text()
sys.exit()
elif opt in ('-f', '--format'):
format = arg
if format not in ['json', 'yaml']:
print_usage_text()
sys.exit(2)
elif opt in ('-p', '--pretty-print'):
pretty_print = True
dumpfilename = sys.argv[-1]
try:
dumpfile = open(dumpfilename, 'r')
except IOError:
print "ERROR: File \"" + dumpfilename + "\" was not found."
sys.exit(3)
# we only need the INSERTs as information
regex = re.compile(r"INSERT INTO [`'\"](?P<table>\w+)[`'\"] \((?P<columns>.+)\) VALUES\((?P<values>.+)\)")
rows = []
for line in dumpfile:
match = regex.match(line)
# non-INSERTS will be ignored
if match:
table = match.group('table')
# split parameters and remove their leading and trailing `-tags and whitespaces
keys = map(lambda w: w.strip(" `'\""), match.group('columns').split(','))
values = map(lambda w: w.strip(" `'\""), match.group('values').split(','))
# convert data to dictionary and append to results
rows.append(dict(map(lambda k,v: (k,v), keys, values)))
if len(rows) == 10:
break
if format == 'json':
print simplejson.dumps(rows, indent="\t" if pretty_print else None)
elif format == 'yaml':
print yaml.dump(rows, indent=4 if pretty_print else None)