update

app.py

@@ -1,7 +1,6 @@
 from flask import Flask, render_template, request, redirect
 from sympy import *
 
-from helpers import apology, login_required, lookup, usd
 app = Flask(__name__)
 
 @app.route('/')

helpers.py

@@ -1,5 +1,4 @@
 import requests
-import urllib3.parse
 
 from flask import redirect, render_template, request, session
 from functools import wraps
@@ -34,28 +33,6 @@ def login_required(f):
     return decorated_function
 
 
-def lookup(symbol):
-    """Look up quote for symbol."""
-
-    # Contact API
-    try:
-        response = requests.get(f"https://api.iextrading.com/1.0/stock/{urllib.parse.quote_plus(symbol)}/quote")
-        response.raise_for_status()
-    except requests.RequestException:
-        return None
-
-    # Parse response
-    try:
-        quote = response.json()
-        return {
-            "name": quote["companyName"],
-            "price": float(quote["latestPrice"]),
-            "symbol": quote["symbol"]
-        }
-    except (KeyError, TypeError, ValueError):
-        return None
-
-
 def usd(value):
     """Format value as USD."""
     return f"${value:,.2f}"

helpers0.py

@@ -1,61 +0,0 @@
-import requests
-import urllib.parse
-
-from flask import redirect, render_template, request, session
-from functools import wraps
-
-
-def apology(message, code=400):
-    """Render message as an apology to user."""
-    def escape(s):
-        """
-        Escape special characters.
-
-        https://github.com/jacebrowning/memegen#special-characters
-        """
-        for old, new in [("-", "--"), (" ", "-"), ("_", "__"), ("?", "~q"),
-                         ("%", "~p"), ("#", "~h"), ("/", "~s"), ("\"", "''")]:
-            s = s.replace(old, new)
-        return s
-    return render_template("apology.html", top=code, bottom=escape(message)), code
-
-
-def login_required(f):
-    """
-    Decorate routes to require login.
-
-    http://flask.pocoo.org/docs/1.0/patterns/viewdecorators/
-    """
-    @wraps(f)
-    def decorated_function(*args, **kwargs):
-        if session.get("user_id") is None:
-            return redirect("/login")
-        return f(*args, **kwargs)
-    return decorated_function
-
-
-def lookup(symbol):
-    """Look up quote for symbol."""
-
-    # Contact API
-    try:
-        response = requests.get(f"https://api.iextrading.com/1.0/stock/{urllib.parse.quote_plus(symbol)}/quote")
-        response.raise_for_status()
-    except requests.RequestException:
-        return None
-
-    # Parse response
-    try:
-        quote = response.json()
-        return {
-            "name": quote["companyName"],
-            "price": float(quote["latestPrice"]),
-            "symbol": quote["symbol"]
-        }
-    except (KeyError, TypeError, ValueError):
-        return None
-
-
-def usd(value):
-    """Format value as USD."""
-    return f"${value:,.2f}"

requirements.txt

@@ -1,6 +1,15 @@
-flask
-sympy
-numpy
-urllib3
-functools
-requests
+certifi==2019.11.28
+chardet==3.0.4
+Click==7.0
+Flask==1.1.1
+gunicorn==20.0.4
+idna==2.8
+itsdangerous==1.1.0
+Jinja2==2.10.3
+MarkupSafe==1.1.1
+mpmath==1.1.0
+numpy==1.17.4
+requests==2.22.0
+sympy==1.4
+urllib3==1.25.7
+Werkzeug==0.16.0