Update app.py
Browse files
app.py
CHANGED
@@ -4,13 +4,13 @@ import matplotlib.pyplot as plt
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import random
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from scipy.stats import entropy as scipy_entropy
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#
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seqlen = 60
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min_run, max_run = 1, 2
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ANGLE_MAP = {'A': 60.0, 'C': 180.0, 'G': -60.0, 'T': -180.0, 'N': 0.0}
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bases = ['A', 'C', 'G', 'T']
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# --- Логика ---
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def find_local_min_runs(profile, min_run=1, max_run=2):
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result = []
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N = len(profile)
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idx = random.randint(0, len(seq)-1)
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ins = ''.join(random.choices(bases, k=random.randint(1, 3)))
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seq = seq[:idx] + ins + seq[idx:]
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seq
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elif r < 0.90:
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if len(seq) > 4:
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idx = random.randint(0, len(seq)-2)
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@@ -52,61 +53,79 @@ def bio_mutate(seq):
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if len(seq) > 10:
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start = random.randint(0, len(seq)-6)
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end = start + random.randint(3,6)
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subseq = seq[start:end]
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seq = seq[:start] + subseq + seq[end:]
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while len(seq) < seqlen:
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seq += random.choice(bases)
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if len(seq) > seqlen:
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seq = seq[:seqlen]
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return seq
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def compute_autocorr(profile):
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profile = profile - np.mean(profile)
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result = np.correlate(profile, profile, mode='full')
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result = result[result.size // 2:]
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norm = np.max(result) if np.max(result)!=0 else 1
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return result[:10]/norm
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def compute_entropy(profile):
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vals, counts = np.unique(profile, return_counts=True)
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p = counts / counts.sum()
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return scipy_entropy(p, base=2)
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seq = ''.join(random.choices(bases, k=seqlen))
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stat_bist_counts = []
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stat_entropy = []
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stat_autocorr = []
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for i in range(steps):
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torsion_profile = np.array([ANGLE_MAP.get(nt, 0.0) for nt in seq])
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runs = find_local_min_runs(torsion_profile, min_run, max_run)
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stat_bist_counts.append(len(runs))
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import random
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from scipy.stats import entropy as scipy_entropy
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# --- НАСТРОЙКИ ---
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seqlen = 60
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steps = 100
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min_run, max_run = 1, 2
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ANGLE_MAP = {'A': 60.0, 'C': 180.0, 'G': -60.0, 'T': -180.0, 'N': 0.0}
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bases = ['A', 'C', 'G', 'T']
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def find_local_min_runs(profile, min_run=1, max_run=2):
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result = []
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N = len(profile)
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idx = random.randint(0, len(seq)-1)
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ins = ''.join(random.choices(bases, k=random.randint(1, 3)))
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seq = seq[:idx] + ins + seq[idx:]
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if len(seq) > seqlen:
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seq = seq[:seqlen]
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elif r < 0.90:
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if len(seq) > 4:
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idx = random.randint(0, len(seq)-2)
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if len(seq) > 10:
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start = random.randint(0, len(seq)-6)
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end = start + random.randint(3,6)
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subseq = seq[start:end]
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seq = seq[:start] + subseq[::-1] + seq[end:]
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while len(seq) < seqlen:
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seq += random.choice(bases)
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if len(seq) > seqlen:
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seq = seq[:seqlen]
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return seq
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def compute_entropy(profile):
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vals, counts = np.unique(profile, return_counts=True)
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p = counts / counts.sum()
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return scipy_entropy(p, base=2)
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def compute_autocorr(profile):
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profile = profile - np.mean(profile)
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result = np.correlate(profile, profile, mode='full')
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result = result[result.size // 2:]
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norm = np.max(result) if np.max(result) != 0 else 1
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return result[:10]/norm
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def simulate_and_plot(steps):
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seq = ''.join(random.choices(bases, k=seqlen))
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stat_bist_counts = []
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stat_entropy = []
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stat_autocorr = []
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figs = []
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for step in range(steps):
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if step > 0:
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seq = bio_mutate(seq)
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torsion_profile = np.array([ANGLE_MAP.get(nt, 0.0) for nt in seq])
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runs = find_local_min_runs(torsion_profile, min_run, max_run)
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stat_bist_counts.append(len(runs))
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ent = compute_entropy(torsion_profile)
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stat_entropy.append(ent)
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acorr = compute_autocorr(torsion_profile)
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stat_autocorr.append(acorr)
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fig, axs = plt.subplots(3, 1, figsize=(8, 8))
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plt.subplots_adjust(hspace=0.6)
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# Торсионный профиль
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axs[0].plot(torsion_profile, color='royalblue', label="Торсионный угол")
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for start, end, val in runs:
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axs[0].axvspan(start, end, color="red", alpha=0.3)
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axs[0].plot(range(start, end+1), torsion_profile[start:end+1], 'ro', markersize=4)
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axs[0].set_ylim(-200, 200)
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axs[0].set_title(f"Шаг {step}: {seq}\nМашин: {len(runs)}, энтропия: {ent:.2f}")
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axs[0].legend()
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# Динамика количества машин
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axs[1].plot(stat_bist_counts, '-o', color='crimson', markersize=3)
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axs[1].set_ylim(0, max(10, max(stat_bist_counts)+1))
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axs[1].set_title("Динамика: число 'биомашин'")
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# Автокорреляция
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axs[2].bar(np.arange(6), acorr[:6], color='teal', alpha=0.7)
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axs[2].set_title("Автокорреляция и энтропия")
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axs[2].text(0.7, 0.7, f"Энтропия: {ent:.2f}", transform=axs[2].transAxes)
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figs.append(fig)
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return figs
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# --- Streamlit UI ---
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st.set_page_config(layout="wide")
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st.title("🧬 Эволюция ДНК: визуализация торсионного профиля, мутаций и структур")
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steps = st.slider("Число шагов мутации", 10, 150, 50)
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if st.button("▶ Запустить симуляцию"):
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st.info("Генерируется...")
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figures = simulate_and_plot(steps)
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for fig in figures:
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st.pyplot(fig)
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