Mercurial > ~darius > hgwebdir.cgi > iwws

comparison iwws.py @ 0:2d9ee2b3ae82

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Initial commit of iWWS.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 15 Aug 2011 17:44:56 +0930
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1 #!/usr/bin/env python
2
3 #
4 # Copyright 2011 Daniel O'Connor <darius@dons.net.au>
5 #
6 # Redistribution and use in source and binary forms, with or without modification, are
7 # permitted provided that the following conditions are met:
8 #
9 # 1. Redistributions of source code must retain the above copyright notice, this list of
10 # conditions and the following disclaimer.
11 #
12 # 2. Redistributions in binary form must reproduce the above copyright notice, this list
13 # of conditions and the following disclaimer in the documentation and/or other materials
14 # provided with the distribution.
15 #
16 # THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''AS IS'' AND ANY EXPRESS OR IMPLIED
17 # WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 # FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
19 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
23 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 #
26 # The views and conclusions contained in the software and documentation are those of the
27 # authors and should not be interpreted as representing official policies, either expressed
28 # or implied, of Daniel O'Connor.
29 #
30
31 import sys
32
33 sys.path.append('..')
34
35 import calendar
36 import datetime
37 import DataStore
38 import flask
39 import logging
40
41 DEBUG = True
42 DATA_DIR = '/data/weather'
43
44 # Create application object
45 app = flask.Flask(__name__)
46 app.debug_log_format = '%(asctime)s: %(message)s'
47 app.config.from_object(__name__)
48 app.config.from_envvar('IWWS_SETTINGS', silent=True)
49
50 if DEBUG:
51 app.logger.setLevel(logging.DEBUG)
52
53 @app.route('/')
54 def index():
55 # Could be static really..
56 return flask.render_template('index.html')
57
58 @app.route('/getdata.json')
59 def getdata():
60 app.logger.debug("Getting data")
61 store = DataStore.hourly_store(DATA_DIR)
62 now = datetime.datetime.now()
63 then = now - datetime.timedelta(1)
64 data = store[then:now]
65 app.logger.debug("done")
66 r = {}
67 for k in store.key_list:
68 r[k] = []
69
70 for d in data:
71 for k in store.key_list:
72 if k == 'idx':
73 t = int(dt2epoch(d[k]))
74 r[k].append(t)
75 else:
76 r[k].append(d[k])
77 return flask.jsonify(r)
78
79 def dt2epoch(dt):
80 return calendar.timegm(dt.utctimetuple()[0:6]) + dt.microsecond / 1e6
81
82
83 if __name__ == "__main__":
84 app.run(host = '0.0.0.0', port = 5001, debug = DEBUG)