Spaces:
Sleeping
Sleeping
master to main
#1
by
axvg - opened
- Dockerfile +0 -13
- README.md +10 -12
- main.py +0 -256
- pyproject.toml +0 -18
- requirements.txt +0 -37
Dockerfile
DELETED
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FROM python:3.13-slim
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WORKDIR /app
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COPY pyproject.toml .
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RUN pip install .
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COPY . .
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EXPOSE 8000
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CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
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README.md
CHANGED
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@@ -1,12 +1,10 @@
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---
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title:
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emoji:
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colorFrom:
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colorTo: blue
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sdk: docker
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### Mi API para la PC1 de CC0A2A
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Endpoint: `/shortest-path/`
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---
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title: PC1 BE
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emoji: 📚
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colorFrom: red
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colorTo: blue
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sdk: docker
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pinned: false
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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main.py
DELETED
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel
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import numpy as np
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import random
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from typing import List, Dict
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class Point(BaseModel):
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id: str
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x: float
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y: float
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class PathRequest(BaseModel):
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points: List[Point]
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class BezierPoint(BaseModel):
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x: float
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y: float
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class PathResponse(BaseModel):
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path: List[str]
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distance: float
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bezierPoints: List[BezierPoint]
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class Config:
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allow_population_by_field_name = True
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alias_generator = lambda field_name: field_name.replace('_', '')
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class InputData(BaseModel):
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data: List[float] # Lista de características numéricas (flotantes)
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app = FastAPI()
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def generate_bezier_points(
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path: List[str],
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points_dict: Dict[str, Point],
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segments: int = 50
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):
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bezier_points = []
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if len(path) < 3:
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return bezier_points
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for i in range(len(path) - 2):
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p0 = points_dict[path[i]]
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p1 = points_dict[path[i+1]]
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p2 = points_dict[path[i+2]]
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for t in np.linspace(0, 1, segments):
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# B(t) = (1-t)²P0 + 2(1-t)tP1 + t²P2
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x = round((1-t)**2 * p0.x + 2*(1-t)*t * p1.x + t**2 * p2.x, 3)
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y = round((1-t)**2 * p0.y + 2*(1-t)*t * p1.y + t**2 * p2.y, 3)
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bezier_points.append(BezierPoint(x=x, y=y))
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return bezier_points
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# ------------- algoritmo genetico -------------
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# Función para generar una población inicial aleatoria
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def generar_poblacion(num_individuos, num_ciudades):
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poblacion = []
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for _ in range(num_individuos):
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individuo = list(range(num_ciudades))
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random.shuffle(individuo)
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poblacion.append(individuo)
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return poblacion
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def calcular_aptitud(individuo, distancias, coordenadas):
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# Función para evaluar la aptitud de
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# un individuo (distancia total del recorrido)
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distancia_total = 0
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coordenadas_iguales = all(coord == coordenadas[0] for coord in coordenadas)
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if not coordenadas_iguales:
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for i in range(len(individuo) - 1):
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ciudad_actual = individuo[i]
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siguiente_ciudad = individuo[i + 1]
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distancia_total += distancias[ciudad_actual][siguiente_ciudad]
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distancia_total += distancias[individuo[-1]][individuo[0]]
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return distancia_total
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# Función para seleccionar individuos para la reproducción (torneo binario)
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def seleccion_torneo(poblacion, distancias, coordenadas):
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seleccionados = []
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for _ in range(len(poblacion)):
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torneo = random.sample(poblacion, 2)
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aptitud_torneo = [
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calcular_aptitud(individuo, distancias, coordenadas)
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for individuo in torneo
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]
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seleccionado = torneo[aptitud_torneo.index(min(aptitud_torneo))]
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seleccionados.append(seleccionado)
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return seleccionados
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# Función para realizar el cruce de dos padres para producir un hijo
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def cruzar(padre1, padre2):
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punto_cruce = random.randint(0, len(padre1) - 1)
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hijo = padre1[:punto_cruce] + [
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gen for gen in padre2 if gen not in padre1[:punto_cruce]
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]
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return hijo
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# Función para aplicar mutaciones en la población
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def mutar(individuo, probabilidad_mutacion):
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if random.random() < probabilidad_mutacion:
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indices = random.sample(range(len(individuo)), 2)
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individuo[indices[0]], individuo[indices[1]] = (
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individuo[indices[1]],
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individuo[indices[0]],
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)
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return individuo
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# Función para generar distancias aleatorias
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# entre ciudades y sus coordenadas bidimensionales
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def generar_distancias(num_ciudades):
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distancias = [[0] * num_ciudades for _ in range(num_ciudades)]
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coordenadas = [
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(random.uniform(0, 100), random.uniform(0, 100))
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for _ in range(num_ciudades)
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]
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for i in range(num_ciudades):
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for j in range(i + 1, num_ciudades):
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distancias[i][j] = distancias[j][i] = (
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sum((x - y) ** 2
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for x, y in zip(coordenadas[i], coordenadas[j])) ** 0.5
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)
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return distancias, coordenadas
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def algoritmo_genetico(
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num_generaciones, num_ciudades,
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num_individuos, probabilidad_mutacion, distancias, coordenadas):
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poblacion = generar_poblacion(num_individuos, num_ciudades)
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for generacion in range(num_generaciones):
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poblacion = sorted(
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poblacion, key=lambda x: calcular_aptitud(
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x, distancias, coordenadas
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)
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)
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mejor_individuo = poblacion[0]
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mejor_distancia = calcular_aptitud(
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mejor_individuo, distancias, coordenadas
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)
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seleccionados = seleccion_torneo(poblacion, distancias, coordenadas)
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nueva_poblacion = []
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for i in range(0, len(seleccionados), 2):
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padre1, padre2 = seleccionados[i], seleccionados[i + 1]
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hijo1 = cruzar(padre1, padre2)
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hijo2 = cruzar(padre2, padre1)
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hijo1 = mutar(hijo1, probabilidad_mutacion)
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hijo2 = mutar(hijo2, probabilidad_mutacion)
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nueva_poblacion.extend([hijo1, hijo2])
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poblacion = nueva_poblacion
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mejor_solucion = poblacion[0]
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mejor_distancia = calcular_aptitud(mejor_solucion, distancias, coordenadas)
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return mejor_solucion, mejor_distancia
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# Ruta de predicción
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@app.post("/predict/")
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async def predict(data: InputData):
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print(f"Data: {data}")
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try:
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# Convertir la lista de entrada a un array de NumPy para la predicción
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input_data = np.array(data.data).reshape(
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1, -1
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) # Asumiendo que la entrada debe ser de forma (1, num_features)
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num_ciudades = int(input_data[0][0])
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num_individuos = int(input_data[0][1])
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probabilidad_mutacion = float(input_data[0][2])
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num_generaciones = int(input_data[0][3])
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distancias, coordenadas = generar_distancias(num_ciudades)
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mejor_solucion, mejor_distancia = algoritmo_genetico(
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num_generaciones,
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num_ciudades,
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num_individuos,
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probabilidad_mutacion,
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distancias,
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coordenadas
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)
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# print(type(mejor_solucion),mejor_solucion
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respuesta = list(mejor_solucion)
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print(respuesta)
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prediction = respuesta
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# return {"prediction": prediction.tolist()}
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return {"prediction": prediction}
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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@app.post("/shortest-path/", response_model=PathResponse)
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async def find_shortest_path(
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request: PathRequest,
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population: int = 50,
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mutation_prob: float = 0.1,
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generations: int = 100
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):
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try:
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points = request.points
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num_cities = len(points)
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if num_cities < 3:
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raise HTTPException(
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status_code=400,
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detail="need at least 3 points"
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)
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print(
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f"parametros: population={population}, mutation_prob={mutation_prob}, generations={generations}"
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)
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distancias = [[0] * num_cities for _ in range(num_cities)]
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coordenadas = [(p.x, p.y) for p in points]
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points_dict = {p.id: p for p in points}
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for i in range(num_cities):
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for j in range(i + 1, num_cities):
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dist = ((coordenadas[i][0] - coordenadas[j][0])**2 +
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(coordenadas[i][1] - coordenadas[j][1])**2)**0.5
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distancias[i][j] = distancias[j][i] = dist
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mejor_solucion, mejor_distancia = algoritmo_genetico(
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num_generaciones=generations,
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num_ciudades=num_cities,
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num_individuos=population,
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probabilidad_mutacion=mutation_prob,
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distancias=distancias,
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coordenadas=coordenadas
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)
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path_ids = [points[i].id for i in mejor_solucion]
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bezier_points = generate_bezier_points(path_ids, points_dict)
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return PathResponse(
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path=path_ids,
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distance=mejor_distancia,
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bezierPoints=bezier_points
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)
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except Exception as e:
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raise HTTPException(
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status_code=500,
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detail=str(e)
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)
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pyproject.toml
DELETED
|
@@ -1,18 +0,0 @@
|
|
| 1 |
-
[project]
|
| 2 |
-
name = "backend-ag"
|
| 3 |
-
version = "2025.04.16"
|
| 4 |
-
dependencies = [
|
| 5 |
-
"fastapi[standard]",
|
| 6 |
-
"numpy",
|
| 7 |
-
"pydantic"
|
| 8 |
-
]
|
| 9 |
-
requires-python = ">=3.10"
|
| 10 |
-
authors = [
|
| 11 |
-
{name = "Alex Vega", email = "avegab@uni.pe"},
|
| 12 |
-
]
|
| 13 |
-
maintainers = [
|
| 14 |
-
{name = "Alex Vega", email = "avegab@uni.pe"},
|
| 15 |
-
]
|
| 16 |
-
description = "Backend para el proyecto PC1 del curso CC0A2A"
|
| 17 |
-
license = "MIT"
|
| 18 |
-
keywords = ["genetic algorithm", "android", "kotlin", "python"]
|
|
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|
requirements.txt
DELETED
|
@@ -1,37 +0,0 @@
|
|
| 1 |
-
annotated-types==0.7.0
|
| 2 |
-
anyio==4.9.0
|
| 3 |
-
backend-ag @ file:///C:/Users/la/repos/github.com/axvg/uni/2025-01/CC0A2A/semanas/04/pc1/backend
|
| 4 |
-
certifi==2025.1.31
|
| 5 |
-
click==8.1.8
|
| 6 |
-
colorama==0.4.6
|
| 7 |
-
dnspython==2.7.0
|
| 8 |
-
email_validator==2.2.0
|
| 9 |
-
fastapi==0.115.12
|
| 10 |
-
fastapi-cli==0.0.7
|
| 11 |
-
h11==0.14.0
|
| 12 |
-
httpcore==1.0.8
|
| 13 |
-
httptools==0.6.4
|
| 14 |
-
httpx==0.28.1
|
| 15 |
-
idna==3.10
|
| 16 |
-
Jinja2==3.1.6
|
| 17 |
-
markdown-it-py==3.0.0
|
| 18 |
-
MarkupSafe==3.0.2
|
| 19 |
-
mdurl==0.1.2
|
| 20 |
-
numpy==2.2.5
|
| 21 |
-
pydantic==2.11.3
|
| 22 |
-
pydantic_core==2.33.1
|
| 23 |
-
Pygments==2.19.1
|
| 24 |
-
python-dotenv==1.1.0
|
| 25 |
-
python-multipart==0.0.20
|
| 26 |
-
PyYAML==6.0.2
|
| 27 |
-
rich==14.0.0
|
| 28 |
-
rich-toolkit==0.14.1
|
| 29 |
-
shellingham==1.5.4
|
| 30 |
-
sniffio==1.3.1
|
| 31 |
-
starlette==0.46.2
|
| 32 |
-
typer==0.15.2
|
| 33 |
-
typing-inspection==0.4.0
|
| 34 |
-
typing_extensions==4.13.2
|
| 35 |
-
uvicorn==0.34.2
|
| 36 |
-
watchfiles==1.0.5
|
| 37 |
-
websockets==15.0.1
|
|
|
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