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-rw-r--r--app.py62
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diff --git a/app.py b/app.py
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+#!/usr/bin/python3
+
+import os
+import psycopg2
+import psycopg2.pool
+import psycopg2.extras
+from flask import Flask, g, render_template, send_from_directory
+from werkzeug.contrib.cache import SimpleCache
+
+app = Flask(__name__)
+cache = SimpleCache()
+
+db_config = {
+ "host": os.environ.get("POSTGRESQL_DEST_HOST") or "localhost",
+ "port": os.environ.get("POSTGRESQL_DEST_PORT") or 5432,
+ "user": os.environ.get("POSTGRESQL_DEST_USER") or "vainweb",
+ "password": os.environ.get("POSTGRESQL_DEST_PASSWORD") or "vainweb",
+ "dbname": os.environ.get("POSTGRESQL_DEST_DB") or "vainsocial-web"
+}
+
+def dbpool():
+ if not hasattr(g, "db_pool"):
+ g.db_pool = psycopg2.pool.ThreadedConnectionPool(
+ **db_config, minconn=1, maxconn=10)
+ return g.db_pool
+
+@app.teardown_appcontext
+def db_disconnect(err):
+ if hasattr(g, "db_pool"):
+ g.db_pool.closeall()
+
+@app.context_processor
+def sql_processor():
+ def sql_val(query):
+ val = cache.get(query)
+ if val is not None:
+ return val.get(0)
+
+ con = dbpool().getconn()
+ c = con.cursor(cursor_factory=psycopg2.extras.DictCursor)
+
+ c.execute(query)
+ val = c.fetchone()
+ cache.set(query, val, timeout=60*60) # seconds
+
+ c.close()
+ dbpool().putconn(con)
+
+ return val.get(0)
+
+ return dict(sql_val=sql_val)
+
+@app.route("/")
+def index():
+ return render_template("index.html")
+
+@app.route("/assets/<path:path>")
+def send_assets(path):
+ return send_from_directory("templates/assets", path)
+
+if __name__ == "__main__":
+ app.run(debug=True)