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ws.py
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ws.py
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import requests
import untangle
import numpy
from geojson import Point
import json
from flask import Flask
from flask.ext.sqlalchemy import SQLAlchemy
from flask.ext.cors import CORS, cross_origin
from flask import request
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///C:\\sqlitedbs\\wds.db'
db = SQLAlchemy(app)
cors = CORS(app)
app.config['CORS_HEADERS'] = 'Content-Type'
class Project(db.Model):
id = db.Column(db.Integer, primary_key=True)
projid = db.Column(db.String)
nbc = db.Column(db.Numeric)
sbc = db.Column(db.Numeric)
ebc = db.Column(db.Numeric)
wbc = db.Column(db.Numeric)
centerx = db.Column(db.Numeric)
centery = db.Column(db.Numeric)
title = db.Column(db.String)
author = db.Column(db.String)
abstract = db.Column(db.String)
update_data = db.Column(db.String)
network_url = db.Column(db.String)
data_url = db.Column(db.String)
def __init__(self, projid, nbc, sbc, ebc, wbc, centerx, centery, title, author, abstract, update_data, network_url, data_url):
self.projid = projid
self.nbc = nbc
self.sbc = sbc
self.ebc = ebc
self.wbc = wbc
self.centerx = centerx
self.centery = centery
self.title = title
self.author = author
self.abstract = abstract
self.update_data = update_data
self.network_url = network_url
self.data_url = data_url
def __repr__(self, projid, nbc, sbc, ebc, wbc, centerx, centery, title, author, abstract, update_data, network_url, data_url):
return '<Project %r>' % self.projid
return '<Project %r>' % self.nbc
return '<Project %r>' % self.sbc
return '<Project %r>' % self.ebc
return '<Project %r>' % self.wbc
return '<Project %r>' % self.centerx
return '<Project %r>' % self.centery
return '<Project %r>' % self.title
return '<Project %r>' % self.author
return '<Project %r>' % self.abstract
return '<Project %r>' % self.update_data
return '<Project %r>' % self.network_url
return '<Project %r>' % self.data_url
@app.route('/drop-db')
def drop_db_sql():
db.drop_all()
db.session.commit()
return "dropped"
@app.route('/')
def hello_world():
return 'Hello World!'
@app.route("/usgs/metadata/")
@cross_origin()
def test():
query = request.args.get('q')
result = []
result_map = []
url = "http://mercury-ops2.ornl.gov/usgssolr4/core1/select/"
param2 = "geo:\"intersects(" + query + ")\""
param3 = "*:*"
payload = {"fq": param2, "q": param3, "start": 0, "rows": 1000}
r = requests.get(url, params=payload)
# faz o parsing do XML
obj = untangle.parse(r.content)
for doc in obj.response.result.doc:
missing_bboxinfo = doc.str[7].cdata # Does not the file contain bounding box info?
if unicode.lower(missing_bboxinfo) == "false":
projid = doc.str[0].cdata # id
nbc = float(doc.float[0].cdata) # northBoundCoord //latitude
sbc = float(doc.float[1].cdata) # southBoundCoord //latitude
ebc = float(doc.float[2].cdata) # eastBoundCoord //longitude
wbc = float(doc.float[3].cdata) # westBoundCoord //longitude
title = doc.str[12].cdata
author = doc.arr[16].cdata
abstract = doc.str[11].cdata
update_data = doc.str[0].cdata
network_url = doc.arr[9].cdata
data_url = doc.arr[10].cdata
## obtain the centroid (based on http://gis.stackexchange.com/questions/64119/center-of-a-bounding-box_
coords = (wbc, ebc, sbc, nbc)
centerx,centery = (numpy.average(coords[:2]),numpy.average(coords[2:]))
db.create_all()
projectitr = Project(projid, nbc, sbc, ebc, wbc, centerx, centery, title, author, abstract, update_data, network_url, data_url)
db.session.add(projectitr)
db.session.commit()
#result_map.append({"properties": {"id": projid}, "geometry": Point((centery, centerx))})
result_map.append({"properties": {"id": id}, "geometry": Point((centery, centerx))})
print json.dumps(result_map)
return json.dumps(result_map)
@app.route('/usgs/metadata/get-details/<id>')
def get_details(id):
from ws import Project
details = Project.query.filter_by(projid=id).first()
result = {}
result["projid"] = details.projid
result["nbc"] = str(details.nbc)
result["sbc"] = str(details.sbc)
result["ebc"] = str(details.ebc)
result["wbc"] = str(details.wbc)
result["title"] = details.title
result["author"] = details.author
result["abstract"] = details.abstract
result["update_data"] = details.update_data
result["network_url"] = details.network_url
result["data_url"] = details.data_url
return json.dumps(result)
if __name__ == '__main__':
app.run()