Upload app.py

app.py

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+import streamlit as st # for overall GUI
+from streamlit_calendar import calendar # to show calendar
+from dateutil.relativedelta import relativedelta # for addition to dates
+import datetime
+import os # for extracting environment variable
+from urllib.request import urlopen # for getting data from FMP API
+import json # for parsing data from FMP API
+
+def get_jsonparsed_data(url):
+    response = urlopen(url)
+    data = response.read().decode("utf-8")
+    return json.loads(data)
+    
+# Financialmodelingprep (FMP) api base url
+base_url = "https://financialmodelingprep.com/api/v3/"
+
+# Get FMP API stored as environment variable
+apiKey = os.environ['FMP_API_KEY']
+
+# Get today's date and add 3 months to it
+# Convert both today's date and the 3 months later date to strings (for input into API endpoint URL later)
+# This is the date range within which we want to get our earnings dates 
+today = datetime.datetime.today()
+today_string = today.strftime('%Y-%m-%d')
+future_string = (today + relativedelta(months=3)).strftime('%Y-%m-%d')
+
+# This is the full API endpoint to get the earnings dates from today to 6 months after
+url = f"{base_url}earning_calendar?from={today_string}&to={future_string}&apikey={apiKey}"
+
+# This decorator ensures that the call to the FMP API will only run once at the start of this app
+# The data will be cached after running
+# Without this decorator, the API will be called each time 
+@st.experimental_singleton
+def get_earnings_dates(url):
+    events = get_jsonparsed_data(url)
+    return events
+    
+events = get_earnings_dates(url)
+
+
+with st.sidebar:
+    st.title("Stock Earnings 📆 App")
+    st.header("Choose Tickers of Interest")
+    #tickers = ['GOOG', 'META', 'TSLA', 'NET', 'V', 'MA', 'BA', 'C']
+    
+    # For users to enter tickers of interest
+    tickers_string = st.text_area('Enter all stock tickers to be included in calendar, separated by commas \
+								e.g. "MA, META, V, AMZN, JPM, BA"', 
+                                value = 'GOOG, META, AAPL, MSFT, NVDA, NFLX, V, MA, AMZN, TSLA, JPM, BAC, BA, MMM, NET, C, CRM, PLTR, BABA').upper()
+    
+    st.write('')
+    st.write('')
+    # Where the data came from
+    st.markdown("## [Financial Modeling Prep API](https://intelligence.financialmodelingprep.com/pricing-plans?couponCode=damianboh&utm_campaign=damianboh&utm_medium=blog&utm_source=medium)\
+    \n\nEarnings Dates for all tickers are obtained from the FinancialModelingPrep API, feel free to sign up\
+    [here](https://intelligence.financialmodelingprep.com/pricing-plans?couponCode=damianboh&utm_campaign=damianboh&utm_medium=blog&utm_source=medium)\
+    if you wish.")
+    
+# Parse user input into a list
+tickers_string = tickers_string.replace(' ', '')
+tickers = tickers_string.split(',')
+
+# Converts the parsed json from FMP API into a list of events to be passed into streamlit_calendar
+calendar_events = []
+for event in events:
+    if event['symbol'] in tickers:
+        calendar_event = {}
+        calendar_event['title'] = event['symbol']
+        if event['time'] == 'bmo': # before market opens, add sunrise symbol
+            calendar_event['title'] = '☀ ' + calendar_event['title']
+        elif event['time'] == 'amc': # after market closes, add sunset symbol
+            calendar_event['title'] = '🌅 '   + calendar_event['title']     
+        calendar_event['start'] = event['date']
+        calendar_events.append(calendar_event)
+
+st.header("Stock Earnings Calendar 📆")
+
+
+calendar_options = {
+        "editable": "true",
+        "navLinks": "true",
+        "headerToolbar": {
+            "left": "today prev,next",
+            "center": "title",
+            "right": "dayGridDay,dayGridWeek,dayGridMonth,listMonth",
+        },
+        #"initialDate": today.strftime('%Y-%m-%d'),
+        "initialView": "dayGridMonth"
+    }
+    
+
+custom_css="""
+    .fc-event-past {
+        opacity: 0.8;
+    }
+    .fc-event-time {
+        font-style: italic;
+    }
+    .fc-event-title {
+        font-weight: 700;
+    }
+    .fc-toolbar-title {
+        font-size: 2rem;
+    }
+"""
+
+
+calendar = calendar(events=calendar_events, options=calendar_options, custom_css=custom_css)