import datetime import os import streamlit as st import numpy as np import math import fastf1 import pandas as pd from fastapi import FastAPI from fastapi.middleware.cors import CORSMiddleware from fastapi.responses import FileResponse, HTMLResponse from pydantic import BaseModel import available_data app = FastAPI() app.add_middleware( CORSMiddleware, allow_origins=["*"], allow_credentials=True, allow_methods=["*"], allow_headers=["*"], ) import math import numpy as np def smooth_derivative(t_in, v_in): # # Function to compute a smooth estimation of a derivative. # [REF: http://holoborodko.com/pavel/numerical-methods/numerical-derivative/smooth-low-noise-differentiators/] # # Configuration # # Derivative method: two options: 'smooth' or 'centered'. Smooth is more conservative # but helps to supress the very noisy signals. 'centered' is more agressive but more noisy method = "smooth" t = t_in.copy() v = v_in.copy() # (0) Prepare inputs # (0.1) Time needs to be transformed to seconds try: for i in range(0, t.size): t.iloc[i] = t.iloc[i].total_seconds() except: pass t = np.array(t) v = np.array(v) # (0.1) Assert they have the same size assert t.size == v.size # (0.2) Initialize output dvdt = np.zeros(t.size) # (1) Manually compute points out of the stencil # (1.1) First point dvdt[0] = (v[1] - v[0]) / (t[1] - t[0]) # (1.2) Second point dvdt[1] = (v[2] - v[0]) / (t[2] - t[0]) # (1.3) Third point dvdt[2] = (v[3] - v[1]) / (t[3] - t[1]) # (1.4) Last points n = t.size dvdt[n - 1] = (v[n - 1] - v[n - 2]) / (t[n - 1] - t[n - 2]) dvdt[n - 2] = (v[n - 1] - v[n - 3]) / (t[n - 1] - t[n - 3]) dvdt[n - 3] = (v[n - 2] - v[n - 4]) / (t[n - 2] - t[n - 4]) # (2) Compute the rest of the points if method == "smooth": c = [5.0 / 32.0, 4.0 / 32.0, 1.0 / 32.0] for i in range(3, t.size - 3): for j in range(1, 4): dvdt[i] += ( 2 * j * c[j - 1] * (v[i + j] - v[i - j]) / (t[i + j] - t[i - j]) ) elif method == "centered": for i in range(3, t.size - 2): for j in range(1, 4): dvdt[i] = (v[i + 1] - v[i - 1]) / (t[i + 1] - t[i - 1]) return dvdt def truncated_remainder(dividend, divisor): divided_number = dividend / divisor divided_number = ( -int(-divided_number) if divided_number < 0 else int(divided_number) ) remainder = dividend - divisor * divided_number return remainder def transform_to_pipi(input_angle): pi = math.pi revolutions = int((input_angle + np.sign(input_angle) * pi) / (2 * pi)) p1 = truncated_remainder(input_angle + np.sign(input_angle) * pi, 2 * pi) p2 = ( np.sign( np.sign(input_angle) + 2 * ( np.sign( math.fabs( (truncated_remainder(input_angle + pi, 2 * pi)) / (2 * pi) ) ) - 1 ) ) ) * pi output_angle = p1 - p2 return output_angle, revolutions def remove_acceleration_outliers(acc): acc_threshold_g = 7.5 if math.fabs(acc[0]) > acc_threshold_g: acc[0] = 0.0 for i in range(1, acc.size - 1): if math.fabs(acc[i]) > acc_threshold_g: acc[i] = acc[i - 1] if math.fabs(acc[-1]) > acc_threshold_g: acc[-1] = acc[-2] return acc def compute_accelerations(telemetry): v = np.array(telemetry["Speed"]) / 3.6 lon_acc = smooth_derivative(telemetry["Time"], v) / 9.81 dx = smooth_derivative(telemetry["Distance"], telemetry["X"]) dy = smooth_derivative(telemetry["Distance"], telemetry["Y"]) theta = np.zeros(dx.size) theta[0] = math.atan2(dy[0], dx[0]) for i in range(0, dx.size): theta[i] = ( theta[i - 1] + transform_to_pipi(math.atan2(dy[i], dx[i]) - theta[i - 1])[0] ) kappa = smooth_derivative(telemetry["Distance"], theta) lat_acc = v * v * kappa / 9.81 # Remove outliers lon_acc = remove_acceleration_outliers(lon_acc) lat_acc = remove_acceleration_outliers(lat_acc) return np.round(lon_acc,2), np.round(lat_acc,2) @st.cache_data @app.get("/wdc", response_model=None) def driver_standings() -> any: YEAR = 2023 #datetime.datetime.now().year df = pd.DataFrame( pd.read_html(f"https://www.formula1.com/en/results.html/{YEAR}/drivers.html")[0] ) df = df[["Driver", "PTS", "Car"]] # reverse the order df = df.sort_values(by="PTS", ascending=False) # in Driver column only keep the last 3 characters df["Driver"] = df["Driver"].str[:-3] # add colors to the dataframe car_colors = available_data.team_colors(YEAR) df["fill"] = df["Car"].map(car_colors) # remove rows where points is 0 df = df[df["PTS"] != 0] df.reset_index(inplace=True, drop=True) df.rename(columns={"PTS": "Points"}, inplace=True) return {"WDC":df.to_dict("records")} @st.cache_data @app.get("/", response_model=None) async def root(): return HTMLResponse( content="""""", status_code=200) @st.cache_data @app.get("/years", response_model=None) def years_available() -> any: # make a list from 2018 to current year current_year = datetime.datetime.now().year years = list(range(2018, current_year+1)) # reverse the list to get the latest year first years.reverse() years = [{"label": str(year), "value": year} for year in years] return {"years": years} # format for events {"events":[{"label":"Saudi Arabian Grand Prix","value":2},{"label":"Bahrain Grand Prix","value":1},{"label":"Pre-Season Testing","value":"t1"}]} @st.cache_data @app.get("/{year}", response_model=None) def events_available(year: int) -> any: # get events available for a given year data = available_data.LatestData(year) events = data.get_events() events = [{"label": event, "value": event} for i, event in enumerate(events)] events.reverse() return {"events": events} # format for sessions {"sessions":[{"label":"FP1","value":"FP1"},{"label":"FP2","value":"FP2"},{"label":"FP3","value":"FP3"},{"label":"Qualifying","value":"Q"},{"label":"Race","value":"R"}]} @st.cache_data @app.get("/{year}/{event}", response_model=None) def sessions_available(year: int, event: str | int) -> any: # get sessions available for a given year and event data = available_data.LatestData(year) sessions = data.get_sessions(event) sessions = [{"label": session, "value": session} for session in sessions] return {"sessions": sessions} # format for drivers {"drivers":[{"color":"#fff500","label":"RIC","value":"RIC"},{"color":"#ff8700","label":"NOR","value":"NOR"},{"color":"#c00000","label":"VET","value":"VET"},{"color":"#0082fa","label":"LAT","value":"LAT"},{"color":"#787878","label":"GRO","value":"GRO"},{"color":"#ffffff","label":"GAS","value":"GAS"},{"color":"#f596c8","label":"STR","value":"STR"},{"color":"#787878","label":"MAG","value":"MAG"},{"color":"#0600ef","label":"ALB","value":"ALB"},{"color":"#ffffff","label":"KVY","value":"KVY"},{"color":"#fff500","label":"OCO","value":"OCO"},{"color":"#0600ef","label":"VER","value":"VER"},{"color":"#00d2be","label":"HAM","value":"HAM"},{"color":"#ff8700","label":"SAI","value":"SAI"},{"color":"#00d2be","label":"BOT","value":"BOT"},{"color":"#960000","label":"GIO","value":"GIO"}]} @st.cache_data @app.get("/{year}/{event}/{session}", response_model=None) def session_drivers(year: int, event: str | int, session: str) -> any: # get drivers available for a given year, event and session f1session = fastf1.get_session(year, event, session) api_path = f1session.api_path drivers_raw = fastf1.api.driver_info(api_path) drivers = [] for driver in drivers_raw.items(): drivers.append({ "color": available_data.team_colors(year)[driver[1]['TeamName']], "label": driver[1]['Tla'], "value": driver[1]['Tla']}) return {"drivers": drivers} # format for chartData {"chartData":[{"lapnumber":1},{ # "VER":91.564, # "VER_compound":"SOFT", # "VER_compound_color":"#FF5733", # "lapnumber":2 # },{"lapnumber":3},{"VER":90.494,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":4},{"lapnumber":5},{"VER":90.062,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":6},{"lapnumber":7},{"VER":89.815,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":8},{"VER":105.248,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":9},{"lapnumber":10},{"VER":89.79,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":11},{"VER":145.101,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":12},{"lapnumber":13},{"VER":89.662,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":14},{"lapnumber":15},{"VER":89.617,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":16},{"lapnumber":17},{"VER":140.717,"VER_compound":"SOFT","VER_compound_color":"#FF5733","lapnumber":18}]} @st.cache_data @app.get("/{year}/{event}/{session}/{driver}", response_model=None) def laps_data(year: int, event: str | int, session: str, driver: str) -> any: # get drivers available for a given year, event and session f1session = fastf1.get_session(year, event, session) f1session.load(telemetry=False, weather=False, messages=False) laps = f1session.laps team_colors = available_data.team_colors(year) # add team_colors dict to laps on Team column drivers = laps.Driver.unique() # for each driver in drivers, get the Team column from laps and get the color from team_colors dict drivers = [{"color": team_colors[laps[laps.Driver == driver].Team.iloc[0]], "label": driver, "value": driver} for driver in drivers] driver_laps = laps.pick_driver(driver) driver_laps['LapTime'] = driver_laps['LapTime'].dt.total_seconds() compound_colors = { "SOFT": "#FF0000", "MEDIUM": "#FFFF00", "HARD": "#FFFFFF", "INTERMEDIATE": "#00FF00", "WET": "#088cd0", } driver_laps_data = [] for _, row in driver_laps.iterrows(): if row['LapTime'] > 0: lap = {f"{driver}": row['LapTime'], f"{driver}_compound": row['Compound'], f"{driver}_compound_color": compound_colors[row['Compound']], "lapnumber": row['LapNumber']} else: lap = {"lapnumber": row['LapNumber']} driver_laps_data.append(lap) return {"chartData": driver_laps_data} @st.cache_data @app.get("/{year}/{event}/{session}/{driver}/{lap_number}", response_model=None) def telemetry_data(year: int, event: str | int, session: str, driver: str, lap_number: int) -> any: f1session = fastf1.get_session(year, event, session) f1session.load(telemetry=True, weather=False, messages=False) laps = f1session.laps driver_laps = laps.pick_driver(driver) driver_laps['LapTime'] = driver_laps['LapTime'].dt.total_seconds() # get the telemetry for lap_number selected_lap = driver_laps[driver_laps.LapNumber == lap_number] telemetry = selected_lap.get_telemetry() lon_acc, lat_acc = compute_accelerations(telemetry) telemetry["lon_acc"] = lon_acc telemetry["lat_acc"] = lat_acc telemetry['Time'] = telemetry['Time'].dt.total_seconds() laptime = selected_lap.LapTime.values[0] data_key = f"{driver} - Lap {int(lap_number)} - {year} {session} [{int(laptime//60)}:{laptime%60}]" telemetry['DRS'] = telemetry['DRS'].apply(lambda x: 1 if x in [10,12,14] else 0) brake_tel = [] drs_tel = [] gear_tel = [] rpm_tel = [] speed_tel = [] throttle_tel = [] time_tel = [] track_map = [] lon_acc_tel = [] lat_acc_tel = [] for _, row in telemetry.iterrows(): brake = {"x": row['Distance'], "y": row['Brake'], } brake_tel.append(brake) drs = {"x": row['Distance'], "y": row['DRS'], } drs_tel.append(drs) gear = {"x": row['Distance'], "y": row['nGear'], } gear_tel.append(gear) rpm = {"x": row['Distance'], "y": row['RPM'], } rpm_tel.append(rpm) speed = {"x": row['Distance'], "y": row['Speed'], } speed_tel.append(speed) throttle = {"x": row['Distance'], "y": row['Throttle'], } throttle_tel.append(throttle) time = {"x": row['Distance'], "y": row['Time'], } time_tel.append(time) lon_acc = {"x": row['Distance'], "y": row['lon_acc'], } lon_acc_tel.append(lon_acc) lat_acc = {"x": row['Distance'], "y": row['lat_acc'], } lat_acc_tel.append(lat_acc) track = {"x": row['X'], "y": row['Y'], } track_map.append(track) telemetry_data = { "telemetryData":{ "brake": brake_tel, "dataKey": data_key, "drs": drs_tel, "gear": gear_tel, "rpm": rpm_tel, "speed": speed_tel, "throttle": throttle_tel, "time": time_tel, "lon_acc": lon_acc_tel, "lat_acc": lat_acc_tel, "trackMap": track_map, } } return telemetry_data