app.py

questions:dict[str,float]={
    "MgCl2": 95.0,
    "MgO": 40.0,
    "MgF2": 62.0,
    "MgS": 56.0,
    "Mg(OH)2": 58.0,
    "MgI2": 278.0,
    "CaCl2": 111.0,
    "CaO": 56.0,
    "CaF2": 78.0,
    "CaS": 72.0,
    "Ca(OH)2": 74.0,
    "CaI2": 294.0,
    "ZnCl2": 136.0,
    "ZnO": 81.0,
    "ZnF2": 103.0,
    "ZnS": 97.0,
    "Zn(OH)2": 99.0,
    "ZnI2": 319.0,
    "NaCl": 58.5,
    "Na2O": 62.0,
    "NaF": 42.0,
    "Na2S": 78.0,
    "NaOH": 40.0,
    "NaI": 150.0,
    "KCl": 74.5,
    "K2O": 94.0,
    "KF": 58.0,
    "K2S": 110.0,
    "KOH": 56.0,
    "KI": 166.0,
    "HCl": 36.5,
    "H2O": 18.0,
    "HF": 20.0,
    "H2S": 34.0,
    "HOH": 18.0,
    "HI": 128.0,
    "CuCl": 99.0,
    "Cu2O": 143.0,
    "CuF": 82.5,
    "Cu2S": 159.0,
    "CuOH": 80.5,
    "CuI": 190.5,
    "CuCl2": 134.5,
    "CuO": 79.5,
    "CuF2": 101.5,
    "CuS": 95.5,
    "Cu(OH)2": 97.5,
    "CuI2": 317.5,
    "AgCl": 143.5,
    "Ag2O": 232.0,
    "AgF": 127.0,
    "Ag2S": 248.0,
    "AgOH": 125.0,
    "AgI": 235.0,
    "BaCl2": 208.0,
    "BaO": 153.0,
    "BaF2": 175.0,
    "BaS": 169.0,
    "Ba(OH)2": 171.0,
    "BaI2": 391.0,
    "FeCl2": 127.0,
    "FeO": 72.0,
    "FeF2": 94.0,
    "FeS": 88.0,
    "Fe(OH)2": 90.0,
    "FeI2": 310.0,
    "MnCl2": 126.0,
    "MnO": 71.0,
    "MnF2": 93.0,
    "MnS": 87.0,
    "Mn(OH)2": 89.0,
    "MnI2": 309.0,
    "PbCl2": 278.0,
    "PbO": 223.0,
    "PbF2": 245.0,
    "PbS": 239.0,
    "Pb(OH)2": 241.0,
    "PbI2": 461.0,
    "AlCl3": 133.5,
    "Al2O3": 102.0,
    "AlF3": 84.0,
    "Al2S3": 150.0,
    "Al(OH)3": 78.0,
    "AlI3": 408.0,
    "FeCl3": 162.5,
    "Fe2O3": 160.0,
    "FeF3": 113.0,
    "Fe2S3": 208.0,
    "Fe(OH)3": 107.0,
    "FeI3": 437.0,
    "NH4Cl": 53.5,
    "(NH4)2O": 52.0,
    "NH4F": 37.0,
    "(NH4)2S": 68.0,
    "NH4OH": 35.0,
    "NH4I": 145.0,
    "MgSO4": 120.0,
    "MgCO3": 84.0,
    "MgC2O4": 112.0,
    "MgCrO4": 140.0,
    "MgCr2O7": 240.0,
    "MgS2O3": 136.0,
    "Mg3(PO4)2": 262.0,
    "CaSO4": 136.0,
    "CaCO3": 100.0,
    "CaC2O4": 128.0,
    "CaCrO4": 156.0,
    "CaCr2O7": 256.0,
    "CaS2O3": 152.0,
    "Ca3(PO4)2": 310.0,
    "ZnSO4": 161.0,
    "ZnCO3": 125.0,
    "ZnC2O4": 153.0,
    "ZnCrO4": 181.0,
    "ZnCr2O": 185.0,
    "ZnS2O3": 177.0,
    "Zn3(PO4)2": 385.0,
    "Na2SO4": 142.0,
    "Na2CO3": 106.0,
    "Na2C2O4": 134.0,
    "Na2CrO4": 162.0,
    "Na2Cr2O7": 262.0,
    "Na2S2O3": 158.0,
    "Na3PO4": 164.0,
    "K2SO4": 174.0,
    "K2CO3": 138.0,
    "K2C2O4": 166.0,
    "K2CrO4": 194.0,
    "K2Cr2O7": 294.0,
    "K2S2O3": 190.0,
    "K3PO4": 212.0,
    "H2SO4": 98.0,
    "H2CO3": 62.0,
    "H2C2O4": 90.0,
    "H2CrO4": 118.0,
    "H2Cr2O7": 218.0,
    "H2S2O3": 114.0,
    "H3PO4": 98.0,
    "Cu2SO4": 223.0,
    "Cu2CO3": 187.0,
    "Cu2C2O4": 215.0,
    "Cu2CrO4": 243.0,
    "Cu2Cr2O7": 343.0,
    "Cu2S2O3": 239.0,
    "Cu3PO4": 285.5,
    "CuSO4": 159.5,
    "CuCO3": 123.5,
    "CuC2O4": 151.5,
    "CuCrO4": 179.5,
    "CuCr2O7": 279.5,
    "CuS2O3": 175.5,
    "Cu3(PO4)2": 380.5,
    "Ag2SO4": 312.0,
    "Ag2CO3": 276.0,
    "Ag2C2O4": 304.0,
    "Ag2CrO4": 332.0,
    "Ag2Cr2O7": 432.0,
    "Ag2S2O3": 328.0,
    "Ag3PO4": 419.0,
    "BaSO4": 233.0,
    "BaCO3": 197.0,
    "BaC2O4": 225.0,
    "BaCrO4": 253.0,
    "BaCr2O7": 353.0,
    "BaS2O3": 249.0,
    "Ba3(PO4)2": 601.0,
    "FeSO4": 152.0,
    "FeCO3": 116.0,
    "FeC2O4": 144.0,
    "FeCrO4": 172.0,
    "FeCr2O7": 272.0,
    "FeS2O3": 168.0,
    "Fe3(PO4)2": 358.0,
    "MnSO4": 151.0,
    "MnCO3": 115.0,
    "MnC2O4": 143.0,
    "MnCrO4": 171.0,
    "MnCr2O)": 175.0,
    "MnS2O3": 167.0,
    "Mn3(PO4)2": 355.0,
    "PbSO4": 303.0,
    "PbCO3": 267.0,
    "PbC2O4": 295.0,
    "PbCrO4": 323.0,
    "PbCr2O7": 423.0,
    "PbS2O3": 319.0,
    "Pb3(PO4)2": 811.0,
    "Al2(SO4)3": 342.0,
    "Al2(CO3)3": 234.0,
    "Al2(C2O4)3": 318.0,
    "Al2(CrO4)3": 402.0,
    "Al2(Cr2O7)3": 702.0,
    "Al2(S2O3)3": 390.0,
    "AlPO4": 122.0,
    "Fe2(SO4)3": 400.0,
    "Fe2(CO3)3": 292.0,
    "Fe2(C2O4)3": 376.0,
    "Fe2(CrO4)3": 460.0,
    "Fe2(Cr2O7)3": 760.0,
    "Fe2(S2O3)3": 448.0,
    "FePO4": 151.0,
    "Mg(NO3)2": 148.0,
    "(CH3COO)2Mg": 142.0,
    "Mg(MnO4)2": 262.0,
    "Ca(NO3)2": 164.0,
    "(CH3COO)2Ca": 158.0,
    "Ca(MnO4)2": 278.0,
    "Zn(NO3)2": 189.0,
    "(CH3COO)2Zn": 183.0,
    "Zn(MnO4)2": 303.0,
    "NaNO3": 85.0,
    "CH3COONa": 82.0,
    "Na(MnO4)": 142.0,
    "KNO3": 101.0,
    "CH3COOK": 98.0,
    "K(MnO4)": 158.0,
    "HNO3": 63.0,
    "CH3COOH": 60.0,
    "HMnO4": 120.0,
    "CuNO3": 125.5,
    "CH3COOCu": 122.5,
    "CuMnO4": 182.5,
    "Cu(NO3)2": 187.5,
    "(CH3COO)2Cu": 181.5,
    "Cu(MnO4)2": 301.5,
    "AgNO3": 170.0,
    "AgCH3COO": 167.0,
    "AgMnO4": 227.0,
    "Ba(NO3)2": 261.0,
    "Ba(CH3COO)2": 255.0,
    "Ba(MnO4)2": 375.0,
    "Fe(NO3)2": 180.0,
    "Fe(CH3COO)2": 174.0,
    "Fe(MnO4)2": 294.0,
    "Mn(NO3)2": 179.0,
    "Mn(CH3COO)2": 173.0,
    "MnNO3": 117.0,
    "MnCH3COO": 114.0,
    "Mn(MnO4)2": 293.0,
    "Pb(NO3)2": 331.0,
    "Pb(CH3COO)2": 325.0,
    "Pb(MnO4)2": 445.0,
    "Al(NO3)3": 213.0,
    "Al(CH3COO)3": 204.0,
    "Al(MnO4)3": 384.0,
    "Fe(NO3)3": 242.0,
    "Fe(CH3COO)3": 233.0,
    "Fe(MnO4)3": 413.0,
    "Mn(NO3)3": 241.0,
    "Mn(CH3COO)3": 232.0,
    "Mn(MnO4)3": 412.0,
    "Pb(NO3)3": 393.0,
    "Pb(CH3COO)3": 384.0,
    "Pb(MnO4)3": 564.0,
    "Al(NO3)2": 151.0,
    "Al(CH3COO)2": 145.0,
    "Al(MnO4)2": 265.0,
}
from flask import Flask, render_template, request, redirect, url_for, session
import random
import sympy as sp

app = Flask(__name__)
app.secret_key = 'your_secret_key'  # セッションのための秘密鍵

# シンボルの定義と説明
symbols_info = {
    'solute_mass': '溶質の質量 (g)',
    'solution_mass': '溶液の質量 (g)',
    'moles_of_solute': '溶質のモル数 (mol)',
    'volume_of_solution': '溶液の体積 (L)',
    'mass': '質量 (g)',
    'volume': '体積 (mL)',
    'density': '密度 (g/mL)',
    'molarity': 'モル濃度 (mol/L)',
    'mass_percent': '質量パーセント濃度 (%)'
}

solute_mass, solution_mass, moles_of_solute, volume_of_solution, mass, volume, density, molarity, mass_percent = sp.symbols(
    'solute_mass solution_mass moles_of_solute volume_of_solution mass volume density molarity mass_percent')

# 質量パーセント濃度を計算する関数
def calculate_mass_percent(solute_mass, solution_mass):
    mass_percent = (solute_mass / solution_mass) * 100
    return round(float(mass_percent), 3)

def find_mass_percent_value(solute_mass_value, solution_mass_value):
    equation = sp.Eq(mass_percent, (solute_mass / solution_mass) * 100)
    result = sp.solve(equation.subs({solute_mass: solute_mass_value, solution_mass: solution_mass_value}), mass_percent)
    return round(float(result[0]), 3)

# モル濃度を計算する関数
def calculate_molarity(moles_of_solute, volume_of_solution):
    molarity = moles_of_solute / volume_of_solution
    return round(float(molarity), 3)

def find_molarity_value(moles_of_solute_value, volume_of_solution_value):
    equation = sp.Eq(molarity, moles_of_solute / volume_of_solution)
    result = sp.solve(equation.subs({moles_of_solute: moles_of_solute_value, volume_of_solution: volume_of_solution_value}), molarity)
    return round(float(result[0]), 3)

# 密度を計算する関数
def calculate_density(mass, volume):
    density = mass / volume
    return round(float(density), 3)

def find_density_value(mass_value, volume_value):
    equation = sp.Eq(density, mass / volume)
    result = sp.solve(equation.subs({mass: mass_value, volume: volume_value}), density)
    return round(float(result[0]), 3)

# 循環小数をチェックする関数
def is_recurring(decimal_str):
    if '.' in decimal_str:
        fractional_part = decimal_str.split('.')[1]
        for i in range(1, len(fractional_part)):
            if fractional_part[:i] == fractional_part[i:2*i]:
                return True
    return False

# 問題文テンプレート生成関数
def generate_problem_statement(method_name, param_values):
    templates = {
        'calculate_mass_percent': [
            "溶質の質量が {solute_mass} g で、溶液の質量が {solution_mass} g の場合、質量パーセント濃度を求めなさい。",
            "質量パーセント濃度が {mass_percent}% で、溶液の質量が {solution_mass} g の場合、溶質の質量を求めなさい。",
            "質量パーセント濃度が {mass_percent}% で、溶質の質量が {solute_mass} g の場合、溶液の質量を求めなさい。"
        ],
        'calculate_molarity': [
            "溶質のモル数が {moles_of_solute} mol で、溶液の体積が {volume_of_solution} L の場合、モル濃度を求めなさい。",
            "モル濃度が {molarity} mol/L で、溶液の体積が {volume_of_solution} L の場合、溶質のモル数を求めなさい。",
            "モル濃度が {molarity} mol/L で、溶質のモル数が {moles_of_solute} mol の場合、溶液の体積を求めなさい。"
        ],
        'calculate_density': [
            "質量が {mass} g で、体積が {volume} mL の場合、密度を求めなさい。",
            "密度が {density} g/mL で、体積が {volume} mL の場合、質量を求めなさい。",
            "密度が {density} g/mL で、質量が {mass} g の場合、体積を求めなさい。"
        ]
    }
    template_list = templates.get(method_name, ["問題文の生成に失敗しました。"])
    template = random.choice(template_list)
    return template.format(**param_values)

# 公式生成関数
def generate_equation_string(method_name, param_values):
    try:
        equations = {
            'calculate_mass_percent': "質量パーセント濃度 = (溶質の質量 / 溶液の質量) * 100\n質量パーセント濃度 = ({solute_mass} / {solution_mass}) * 100".format(**param_values),
            'calculate_molarity': "モル濃度 = 溶質のモル数 / 溶液の体積\nモル濃度 = {moles_of_solute} / {volume_of_solution}".format(**param_values),
            'calculate_density': "密度 = 質量 / 体積\n密度 = {mass} / {volume}".format(**param_values),
        }
        return equations.get(method_name, "公式の生成に失敗しました。")
    except KeyError as e:
        return f"公式の生成中にエラーが発生しました: {e}"

# 乱数を用いて計算方法を決定し問題を作成する関数
def generate_problem():
    methods = [
        ('calculate_mass_percent', ['solute_mass', 'solution_mass', 'mass_percent']),
        ('calculate_molarity', ['moles_of_solute', 'volume_of_solution', 'molarity']),
        ('calculate_density', ['mass', 'volume', 'density']),
    ]
    
    while True:
        method_name, params = random.choice(methods)
        param_values = {param: random.randint(1, 100) for param in params}
        
        missing_param = random.choice(params)
        param_values[missing_param] = 'x'
        
        equation = generate_equation_string(method_name, param_values).split('\n')[1]
        
        solution = solve_equation(equation, 'x')
        
        if solution and all(isinstance(s, (int, float)) for s in solution):
            solution_value = round(float(solution[0]), 16)
            solution_str = f'{solution_value:.16f}'
            if is_recurring(solution_str):
                continue
            if len(str(solution_value).split('.')[1]) <= 4:
                break
    
    param_values[missing_param] = solution_value
    
    problem_statement = generate_problem_statement(method_name, param_values)
    equation_string = generate_equation_string(method_name, param_values)
    return method_name, param_values, solution_value, problem_statement, equation_string

@app.route('/', methods=['GET', 'POST'])
def index():
    if request.method == 'POST':
        try:
            user_input = float(request.form['user_input'])
            solution = float(request.form['solution'])
            correct = abs(user_input - solution) < 1e-3
        except ValueError:
            correct = False
            user_input = None
            solution = None
        return render_template('result.html', correct=correct, user_input=user_input, solution=solution, problem_statement=session.get('problem_statement'), equation_string=session.get('equation_string'))
    else:
        method_name, param_values, solution, problem_statement, equation_string = generate_problem()
        session['problem_statement'] = problem_statement
        session['solution'] = solution
        session['method_name'] = method_name
        session['param_values'] = param_values
        session['equation_string'] = equation_string
        return render_template('index.html', method_name=method_name, param_values=param_values, solution=solution, problem_statement=problem_statement, symbols_info=symbols_info)

@app.route('/retry', methods=['GET', 'POST'])
def retry():
    if request.method == 'POST':
        return redirect(url_for('index'))
    if 'method_name' not in session or 'param_values' not in session or 'solution' not in session or 'problem_statement' not in session or 'equation_string' not in session:
        return redirect(url_for('index'))
    return render_template('index.html', method_name=session.get('method_name'), param_values=session.get('param_values'), solution=session.get('solution'), problem_statement=session.get('problem_statement'), symbols_info=symbols_info, equation_string=session.get('equation_string'))

@app.route('/new')
def new_problem():
    return redirect(url_for('index'))

if __name__ == '__main__':
    app.run(debug=True, host="0.0.0.0", port=7860)