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
|
#!/usr/bin/env python3
import argparse
import datetime
import dateutil.parser
import json
from casacore import tables
default_version = "1.1"
default_date = "2016-11-26T13:26"
default_input = "lines.json"
default_path = "Lines"
parser = argparse.ArgumentParser(
usage = 'casacore-update-lines [options]',
description = 'Update casacore Observatory table from json input')
parser.add_argument('-i', '--input-file',
help='JSON oinput file (default: {})'
.format(default_input),
default=default_input)
parser.add_argument('-o', '--output-path',
help='output table path (default: {})'
.format(default_path),
default=default_path)
parser.add_argument('-v', '--version',
help='Set version number in table (default: {})'
.format(default_version),
default=default_version)
parser.add_argument('-d', '--date',
help='Set version date in database (default: {})'
.format(default_date),
default=default_date)
args = parser.parse_args()
with open(args.input_file) as f:
linestable = json.load(f)
# Create data table
columns = [
tables.makescacoldesc('MJD', 0., valuetype='double',
keywords={'UNIT':'d'}),
tables.makescacoldesc('Name', '', valuetype='string'),
tables.makescacoldesc('Type', '', valuetype='string'),
tables.makescacoldesc('Freq', 0., valuetype='double',
keywords={'UNIT':'GHz'}),
tables.makescacoldesc('Source', '', valuetype='string'),
tables.makescacoldesc('Comment', '', valuetype='string'),
]
with tables.table('Lines', tables.tablecreatedesc(columns), len(linestable)) as tbl:
tbl.putinfo({'type': 'IERS', 'subType': 'lines'})
tbl.putkeywords({
'MJD0': 0,
'dMJD': 0.0,
'VS_VERSION': '{:04d}.{:04d}'.format(*(int(i)
for i in args.version.split('.'))),
'VS_CREATE': dateutil.parser.parse(args.date).strftime('%Y/%m/%d/%H:%M'),
'VS_DATE': dateutil.parser.parse(args.date).strftime('%Y/%m/%d/%H:%M'),
'VS_TYPE': 'List of spectral line rest frequencies'
})
tablerows = tbl.row()
for i, line in enumerate(linestable):
tablerows.put(i, {
'MJD': 0.0,
'Name': line['name'],
'Type': 'REST',
'Freq': line['frequency'],
'Source': 'WSRT'
})
|
