| #!/usr/local/bin/python |
| """ |
| Small command line utility to list the variables contained within a model file. |
| |
| This script should be run from the command line (i.e. not called from within python) |
| |
| Input: |
| -filename |
| |
| Output: |
| -list of variable names in file |
| |
| (NB. all printed to standar output) |
| |
| Peter Lean February 2011 |
| |
| WEBSERVICE PLAN |
| |
| URL: localhost:9999/list_vars/:filename (full file path plus file name) |
| Example: localhost:9999/list/vars/"/usr/local/wrm/modeldata/wrf.nc" |
| |
| Return: JSON Array of Variable Names |
| Example: { "variables": [ "time_bnds", "tas", "level", "lon", "time", "lat" ] } |
| """ |
| |
| import sys |
| import Nio |
| import bottle |
| from bottle import request |
| import json |
| #filename = sys.argv[1] |
| |
| |
| @bottle.route('/list/vars/:filename#".*"#') |
| def list_vars(filename): |
| success = 0 |
| filename = filename.strip('"') |
| print filename + ' is filename variable' |
| try: |
| f = Nio.open_file(filename) |
| success = 1 |
| except: |
| print 'Error_reading_file '+filename |
| |
| if success: #make some json |
| var_name_list = json.dumps({'variables':f.variables.keys() }, \ |
| sort_keys=True, indent=2) |
| if (request.query.callback): |
| return "%s(%s)" % (request.query.callback, var_name_list) |
| return var_name_list |
| |
| else: |
| failRet = "{\"FAIL\": \""+filename+"\"}" |
| if (request.query.callback): |
| return "%s(%s)" % (request.query.callback, failRet) |
| return failRet |
| |
| |
| |
