forked from arank/location-tracker
-
Notifications
You must be signed in to change notification settings - Fork 0
/
app.py
76 lines (64 loc) · 2.47 KB
/
app.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
75
76
#!flask/bin/python
from datetime import timedelta
from flask import make_response, request, current_app
from functools import update_wrapper
from flask import Flask
import pymongo, json
'''
Simple API server to expose location data scraped into mongodb
'''
# Decorator to allow any domain to access this API
def crossdomain(origin=None, methods=None, headers=None,
max_age=21600, attach_to_all=True,
automatic_options=True):
if methods is not None:
methods = ', '.join(sorted(x.upper() for x in methods))
if headers is not None and not isinstance(headers, basestring):
headers = ', '.join(x.upper() for x in headers)
if not isinstance(origin, basestring):
origin = ', '.join(origin)
if isinstance(max_age, timedelta):
max_age = max_age.total_seconds()
def get_methods():
if methods is not None:
return methods
options_resp = current_app.make_default_options_response()
return options_resp.headers['allow']
def decorator(f):
def wrapped_function(*args, **kwargs):
if automatic_options and request.method == 'OPTIONS':
resp = current_app.make_default_options_response()
else:
resp = make_response(f(*args, **kwargs))
if not attach_to_all and request.method != 'OPTIONS':
return resp
h = resp.headers
h['Access-Control-Allow-Origin'] = origin
h['Access-Control-Allow-Methods'] = get_methods()
h['Access-Control-Max-Age'] = str(max_age)
if headers is not None:
h['Access-Control-Allow-Headers'] = headers
return resp
f.provide_automatic_options = False
return update_wrapper(wrapped_function, f)
return decorator
'''
List of end points exposing data
'''
app = Flask(__name__)
# Endpoint to get the last (approximate) location recorded by the json_fetcher
@app.route('/location-tracker')
@crossdomain(origin='*')
def index():
# Log onto mongo host
client = pymongo.MongoClient("mongodb://aran:aran1025@ds047020.mongolab.com:47020/personal-analytics")
db = client.get_default_database()
# Get all data points (exluding database id)
pts = db['daily_location'].find({}, {'_id': False})
# Return most recent point as a JSON
last_point = pts[pts.count()-1]
j = json.dumps(last_point)
return str(j)
# Run the App
if __name__ == '__main__':
app.run(debug=False)