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app.py
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import streamlit as st
import numpy as np
from src.inputs import get_standings, get_fixtures, get_standings, filter_fixtures
from src.simulate import simulate_scenarios
from src.streamlit import create_footer, hide_row_headers, hide_full_screen, reduce_whitespace, highlighter
st.write('<style>div.row-widget.stRadio > div{flex-direction:row;}</style>', unsafe_allow_html=True)
st.write('<style>div.row-widget.stSpinner > div{text-align:center;}</style>', unsafe_allow_html=True)
st.markdown(hide_row_headers(), unsafe_allow_html=True)
st.markdown(hide_full_screen(), unsafe_allow_html=True)
st.markdown(reduce_whitespace(), unsafe_allow_html=True)
st.header("IPL Qualifier Predictor")
st.markdown("#### Current Standings and Qualification Chances")
progress = st.progress(0)
spinner = st.empty()
st.sidebar.markdown("### Choose number of timelines to visit!")
iterations = int(st.sidebar.slider("# simulations", 500, 10000, 1465)/2)
fixtures = get_fixtures()
standings = get_standings()
filtered_fixtures = filter_fixtures(fixtures, standings)
if 'winners' not in st.session_state:
st.session_state['winners'] = ["Random"] * filtered_fixtures.shape[0]
def update_winners_losers_stats(updated_standings, winner, loser):
winner_index = np.where(updated_standings['symbol'] == winner)[0][0]
loser_index = np.where(updated_standings['symbol'] == loser)[0][0]
updated_standings.loc[winner_index, 'M'] += 1
updated_standings.loc[winner_index, 'W'] += 1
updated_standings.loc[winner_index, 'PT'] += 2
updated_standings.loc[winner_index, 'predicted'] = True
updated_standings.loc[loser_index, 'M'] += 1
updated_standings.loc[loser_index, 'L'] += 1
updated_standings.loc[loser_index, 'predicted'] = True
return updated_standings
def recalculate():
filtered_fixtures_fixed = filtered_fixtures.assign(predicted=False)
updated_standings = standings # .assign(predicted=False)
for i, x in enumerate(st.session_state['winners']):
if x != "Random":
loser = list(set(filtered_fixtures_fixed.iloc[i, :2]).difference(set([x])))[0]
updated_standings = update_winners_losers_stats(updated_standings, x, loser)
filtered_fixtures_fixed.iloc[i, 3] = True
return filtered_fixtures_fixed, updated_standings
table_slot = st.empty()
st.sidebar.markdown("### Qualification Scenarios")
st.sidebar.markdown(
"*Choose a winning team for each match or leave it at random for a 50% chance of either team winning...*")
for i in range(filtered_fixtures.shape[0]):
# for i in range(5):
box_array = ["Random", filtered_fixtures.iloc[i, 0], filtered_fixtures.iloc[i, 1]]
st.session_state['winners'][i] = st.sidebar.radio(
f"Match {filtered_fixtures.index[i]}: {filtered_fixtures.iloc[i, 2].strftime('%a, %d %b %Y %H:%M')}",
box_array,
box_array.index(st.session_state['winners'][i])
)
filtered_fixtures_fixed, updated_standings = recalculate()
# with st.spinner('Calculating scenarios...'):
spinner.markdown("")
filtered_fixtures_fixed_2 = filtered_fixtures_fixed[filtered_fixtures_fixed['predicted'] == False]
all_results = simulate_scenarios(filtered_fixtures_fixed_2, updated_standings, iterations, progress)
spinner.empty()
table_slot.write(all_results.to_html(), unsafe_allow_html=True)
st.markdown("")
with st.expander("Methodology ⓘ"):
st.markdown("""
The Model is a simple monte carlo simulation where either team has an equal (50%) chance of winning each match and simulating as many timelines to find the probabilities.
A team is considered:
- Top 2 if it is in the top 2 and the 3th team has lesser points, or Top 4 if it is in the top 4 and 5th team has lesser points
- Not in Top 4 if the team has less points is in the bottom 4 and has lesser points than the 4th team,
- Top 2/Top 4 on NRR if a team has the same points as the 3rd/5th team appropariately.
The source code can be found at the [source github repo](https://github.com/alexsanjoseph/ipl-scenario-builder)
""")
footer_text = "Made with ❤ by <a style='display: block;' href=\"https://blog.alexsanjoseph.com//\" target=\"_blank\">Alex Joseph</a> with Streamlit, Marvel and ESPNCricinfo <a style='display: block; text-align: center;' href=\"https: // blog.alexsanjoseph.com//\" target=\"_blank\"></a> (click the > on top left on mobile to access the scenario sidebar)"
st.markdown(create_footer(footer_text), unsafe_allow_html=True)