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-rw-r--r--python/risk_insight/views.py73
1 files changed, 45 insertions, 28 deletions
diff --git a/python/risk_insight/views.py b/python/risk_insight/views.py
index 9256aeda..9b111edb 100644
--- a/python/risk_insight/views.py
+++ b/python/risk_insight/views.py
@@ -7,6 +7,7 @@ from risk_insight import app
from flask import render_template, jsonify, request, g
from psycopg2 import sql
+
def get_attach_from_name(index_type, series):
if index_type.lower() == "ig":
if series == 9:
@@ -24,20 +25,23 @@ def get_attach_from_name(index_type, series):
attach = [0, 3, 6, 12, 100]
return attach
+
def get_db():
- db = getattr(g, '_database', None)
+ db = getattr(g, "_database", None)
if db is None:
- db = g._database = psycopg2.connect(database="serenitasdb",
- user="serenitas_user",
- host="debian")
+ db = g._database = psycopg2.connect(
+ database="serenitasdb", user="serenitas_user", host="debian"
+ )
return db
+
@app.teardown_appcontext
def close_connection(exception):
- db = getattr(g, '_database', None)
+ 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")
@@ -46,17 +50,22 @@ def get_risk_numbers():
greek = request.args.get("g")
db = get_db()
attach = get_attach_from_name(index, series)
- sqlstr = (sql.SQL("SELECT to_char(date, 'YYYY/MM/DD'), array_agg({}) FROM " \
- "(SELECT date, {} FROM risk_numbers rn JOIN tranche_quotes " \
- "ON tranche_quotes.id=rn.tranche_id AND rn.index=%s " \
- "AND rn.series=%s AND rn.tenor=%s ORDER BY rn.date, rn.attach) "\
- "AS a GROUP BY date ORDER BY date").
- format(sql.Identifier(greek), sql.Identifier(greek)))
+ sqlstr = sql.SQL(
+ "SELECT to_char(date, 'YYYY/MM/DD'), array_agg({}) FROM "
+ "(SELECT date, {} FROM risk_numbers rn JOIN tranche_quotes "
+ "ON tranche_quotes.id=rn.tranche_id AND rn.index=%s "
+ "AND rn.series=%s AND rn.tenor=%s ORDER BY rn.date, rn.attach) "
+ "AS a GROUP BY date ORDER BY date"
+ ).format(sql.Identifier(greek), sql.Identifier(greek))
with db.cursor() as c:
c.execute(sqlstr, (index.upper(), series, tenor))
data = [[date] + arr for date, arr in c]
- return jsonify(labels=["Date"] + ["{0}-{1} {2}".format(l, u, greek) for l, u in zip(attach[:-1], attach[1:])],
- data=data)
+ 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():
@@ -66,29 +75,35 @@ def get_indices_quotes():
what = request.args.get("w")
data = []
db = get_db()
- sqlstr = "SELECT to_char(date, 'YYYY/MM/DD'), {0} " \
- "from index_quotes WHERE index=%s and series=%s " \
- "and tenor=%s ORDER BY date"
+ sqlstr = (
+ "SELECT to_char(date, 'YYYY/MM/DD'), {0} "
+ "from index_quotes WHERE index=%s and series=%s "
+ "and tenor=%s ORDER BY date"
+ )
if index.upper() == "HY":
tail = "price"
else:
tail = "spread"
- query_columns = {'quotes': f"close{tail}, model{tail}",
- 'adjquotes': f"adjclose{tail}, adjmodel{tail}",
- 'basis': f"close{tail} - model{tail}",
- 'theta': "theta",
- 'duration': "duration"}
- labels = {'quotes': ["Date", "Close", "FV"],
- 'adjquotes': ["Date", "AdjClose", "AdjFV"],
- 'basis': ["Date", "Basis"],
- 'theta': ["Date", "Theta"],
- 'duration': ["Date", "Duration"]}
+ query_columns = {
+ "quotes": f"close{tail}, model{tail}",
+ "adjquotes": f"adjclose{tail}, adjmodel{tail}",
+ "basis": f"close{tail} - model{tail}",
+ "theta": "theta",
+ "duration": "duration",
+ }
+ labels = {
+ "quotes": ["Date", "Close", "FV"],
+ "adjquotes": ["Date", "AdjClose", "AdjFV"],
+ "basis": ["Date", "Basis"],
+ "theta": ["Date", "Theta"],
+ "duration": ["Date", "Duration"],
+ }
sqlstr = sqlstr.format(query_columns[what])
with db.cursor() as c:
c.execute(sqlstr, (index.upper(), series, tenor))
data = c.fetchall()
- return jsonify(labels = labels[what],
- data = data)
+ return jsonify(labels=labels[what], data=data)
+
@app.route("/tranches.html")
def tranches():
@@ -98,10 +113,12 @@ def tranches():
series_list = [s for s, in c]
return render_template("tranches.html", series=series_list)
+
@app.route("/indices.html")
def indices():
return render_template("indices.html", series=[9, 10, 11, 13] + list(range(16, 32)))
+
@app.route("/")
def main():
return render_template("index.html")