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from flask import Flask, render_template, jsonify, request, g
import os, csv, yaml
import datetime
import psycopg2
import pdb
app = Flask(__name__)
basedir = "/home/share/CorpCDOs"
def get_attach_from_name(index_type, series):
if index_type.lower() == "ig":
if series == 9:
attach = [0, 3, 7, 10, 15, 30, 100]
else:
attach = [0, 3, 7, 15, 100]
elif index_type.lower() == "hy":
attach = [0, 15, 25, 35, 100]
elif index_type.lower() == "xo":
attach = [0, 10, 20, 35, 100]
elif index_type.lower() == "eu":
if series == 9:
attach = [0, 3, 6, 9, 12, 22, 100]
else:
attach = [0, 3, 6, 12, 100]
return attach
def get_db():
db = getattr(g, '_database', None)
if db is None:
db = g._database = psycopg2.connect(database="serenitasdb",
user="serenitas_user",
password="Serenitas1",
host="debian")
return db
@app.teardown_appcontext
def close_connection(exception):
db = getattr(g, '_database', None)
if db is not None:
db.close()
@app.route("/_data_tranches")
def get_risk_numbers():
index = request.args.get("i")
series = request.args.get("s", 0, int)
tenor = request.args.get("t")
greek = request.args.get("g")
data = []
db = get_db()
attach = get_attach_from_name(index, series)
sqlstr = "SELECT date, \"{0}\" from risk_numbers WHERE index=%s and series=%s" \
" and tenor=%s ORDER BY date".format(greek)
with db.cursor() as c:
c.execute(sqlstr, (index.upper(), series, tenor))
data = [["%s/%s/%s" % (date.year, date.month, date.day)] + val for date, val in c]
return jsonify(labels=["Date"] + ["{0}-{1} {2}".format(l, u, greek) for l, u in zip(attach[:-1], attach[1:])],
data=data)
@app.route("/_data_indices")
def get_indices_quotes():
index = request.args.get("i")
series = request.args.get("s", 0, int)
tenor = request.args.get("t")
data = []
db = get_db()
sqlstr = "SELECT date, closeprice, modelprice, adjcloseprice, adjmodelprice " \
"from index_quotes WHERE index=%s and series=%s " \
"and tenor=%s ORDER BY date"
with db.cursor() as c:
c.execute(sqlstr, (index.upper(), series, tenor))
data = [["%s/%s/%s" % (date.year, date.month, date.day)] + val for date, *val in c]
return jsonify(labels=["Date", "Close", "FV", "AdjClose", "AdjFV"],
data=data)
@app.route("/tranches.html")
def tranches():
with open(os.path.join(basedir, "code", "etc", "runs.yml")) as fh:
runs = yaml.load(fh)
series_list = sorted(list(set([int(name[2:]) for name in runs['name']])))
return render_template("tranches.html", series=series_list)
@app.route("/indices.html")
def indices():
return render_template("indices.html", series=[9, 10, 11, 13, 15, 17, 19, 21, 22, 23])
@app.route("/")
def main():
return render_template("index.html")
if __name__ == "__main__":
app.run(debug=True)
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