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Update app.py
Browse files
app.py
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import
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import
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from pydantic import BaseModel, Field
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from typing import List
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from huggingface_hub import hf_hub_download
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try:
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import xgboost
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except ImportError:
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subprocess.check_call([sys.executable, "-m", "pip", "install", "xgboost"])
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print("--- ✅ XGBoost zainstalowany pomyślnie! ---")
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import xgboost
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MODEL_REPO_ID = 'zotthytt12/model_hr'
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MODEL_FEATURES_ORDER = [
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@@ -27,17 +39,45 @@ MODEL_FEATURES_ORDER = [
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# --- Globalna zmienna na model ---
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model = None
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# --- Definicja
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app = FastAPI(
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title="API Rankingu CV",
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description="API
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# ---
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class CandidateFeatures(BaseModel):
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identifier: str = Field(..., description="Unikalny identyfikator kandydata, np. email lub ID.")
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Experience_Years: float = Field(..., alias="Experience (Years)")
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Education: float
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Certifications: float
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@@ -63,119 +103,62 @@ class CandidateFeatures(BaseModel):
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populate_by_name = True
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class RankingRequest(BaseModel):
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"""Definiuje format zapytania - oczekujemy listy kandydatów."""
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candidates: List[CandidateFeatures]
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class RankedCandidate(BaseModel):
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"""Definiuje format odpowiedzi dla jednego kandydata."""
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identifier: str
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score: float
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class RankingResponse(BaseModel):
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"""Definiuje format odpowiedzi - zwracamy listę ocenionych kandydatów."""
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ranked_candidates: List[RankedCandidate]
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# --- 2. Ładowanie modelu ---
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# (Używamy nowszego 'lifespan' zamiast 'on_event')
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from contextlib import asynccontextmanager
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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# Kod uruchamiany przy starcie
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global model
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print("--- Rozpoczynanie ładowania modelu z Huba... ---")
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try:
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model_path = hf_hub_download(
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repo_id=MODEL_REPO_ID,
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filename=MODEL_FILE_NAME
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)
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model = joblib.load(model_path)
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print(f"--- Pomyślnie pobrano i wczytano model z Huba: {MODEL_REPO_ID} ---")
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# 🧹 Naprawa nazw kolumn – usuwamy spacje z przodu i końca
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if hasattr(model, "feature_names_in_"):
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clean_names = [f.strip() for f in model.feature_names_in_]
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model.feature_names_in_ = clean_names
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print("🧹 Oczyszczone feature_names_in_:", model.feature_names_in_)
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print(f"--- Pomyślnie pobrano i wczytano model z Huba: {MODEL_REPO_ID} ---")
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print("Feature names in model:", model.feature_names_in_)
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except Exception as e:
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print(f"BŁĄD KRYTYCZNY: Nie można wczytać modelu z Huba ({MODEL_REPO_ID}). Błąd: {e}")
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yield
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# Kod uruchamiany przy zamknięciu (jeśli potrzebny)
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print("--- Zamykanie aplikacji ---")
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# Przypisz funkcję lifespan do aplikacji
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app.router.lifespan_context = lifespan
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# --- 3. Punkty końcowe API (Endpoints) ---
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@app.get("/")
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def read_root():
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""
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return {"status": "OK", "message": "Witaj w API do Rankingu CV!"}
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@app.post("/rank", response_model=RankingResponse)
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def rank_candidates(request: RankingRequest):
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"""
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Ten endpoint przyjmuje listę kandydatów, przetwarza ich dane,
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przepuszcza przez model i zwraca posortowany ranking.
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"""
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global model
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if model is None:
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if not request.candidates:
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return {"ranked_candidates": []}
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try:
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#
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candidate_data_list = [c.model_dump(by_alias=True) for c in request.candidates]
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identifiers = [c['identifier'] for c in candidate_data_list]
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# 2. Stwórz DataFrame
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df = pd.DataFrame(candidate_data_list)
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#
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features_df = df.drop(columns=['identifier'])
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features_df_ordered = features_df.reindex(columns=model.feature_names_in_, fill_value=0)
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# 3. Predykcja
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probabilities = model.predict_proba(features_df_ordered)[:, 1]
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#
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ranked_list = []
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for i, identifier in enumerate(identifiers):
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ranked_list.append(RankedCandidate(
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identifier=identifier,
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score=probabilities[i]
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))
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#
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sorted_ranked_list = sorted(ranked_list, key=lambda x: x.score, reverse=True)
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return {"ranked_candidates": sorted_ranked_list}
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except KeyError as e:
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raise HTTPException(status_code=400, detail=f"Brakująca lub błędna cecha (KeyError): {e}")
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except Exception as e:
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# Uruchomienie
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if __name__ == "__main__":
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import uvicorn
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# Trzeba by go wywołać ręcznie lub po prostu polegać na teście z uvicorn
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print("Uruchamianie lokalne - model zostanie załadowany przez 'lifespan' po starcie uvicorn.")
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uvicorn.run(app, host="0.0.0.0", port=8000)
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import subprocess
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import sys
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import os
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# --- 1. AWARYJNA INSTALACJA XGBOOST ---
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# Ten fragment musi być na samej górze, zaraz po importach sys i subprocess
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try:
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import xgboost
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except ImportError:
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subprocess.check_call([sys.executable, "-m", "pip", "install", "xgboost"])
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print("--- ✅ XGBoost zainstalowany pomyślnie! ---")
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import xgboost
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# --------------------------------------
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import joblib
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import pandas as pd
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from fastapi import FastAPI, HTTPException
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from pydantic import BaseModel, Field
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from typing import List
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from huggingface_hub import hf_hub_download
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from contextlib import asynccontextmanager
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# --- Sekcja Konfiguracji Modelu ---
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# Upewnij się, że nazwa pliku jest zgodna z tym co masz w Files!
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# Wcześniej w logach miałeś 'model_raport.pkl', teraz w kodzie masz 'model.pkl'.
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# Zostawiam 'model.pkl', ale sprawdź to!
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MODEL_FILE_NAME = 'model.pkl'
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MODEL_REPO_ID = 'zotthytt12/model_hr'
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MODEL_FEATURES_ORDER = [
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# --- Globalna zmienna na model ---
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model = None
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# --- 2. Definicja cyklu życia aplikacji (Lifespan) ---
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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# Kod uruchamiany przy starcie
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global model
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print("--- Rozpoczynanie ładowania modelu z Huba... ---")
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try:
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model_path = hf_hub_download(
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repo_id=MODEL_REPO_ID,
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filename=MODEL_FILE_NAME
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)
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# Tutaj joblib użyje zainstalowanego wyżej xgboost
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model = joblib.load(model_path)
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print(f"--- Pomyślnie pobrano i wczytano model z Huba: {MODEL_REPO_ID} ---")
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# 🧹 Naprawa nazw kolumn – usuwamy spacje z przodu i końca
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if hasattr(model, "feature_names_in_"):
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clean_names = [f.strip() for f in model.feature_names_in_]
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model.feature_names_in_ = clean_names
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print("🧹 Oczyszczone feature_names_in_:", model.feature_names_in_)
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except Exception as e:
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print(f"BŁĄD KRYTYCZNY: Nie można wczytać modelu z Huba ({MODEL_REPO_ID}). Błąd: {e}")
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# Nie przerywamy yield, żeby aplikacja wstała i pokazała błąd w HTTP 503
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yield
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print("--- Zamykanie aplikacji ---")
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# --- 3. Definicja API ---
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app = FastAPI(
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title="API Rankingu CV",
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description="API oceniania kandydatów (XGBoost/RandomForest)",
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lifespan=lifespan
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)
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# --- 4. Modele danych (Pydantic) ---
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class CandidateFeatures(BaseModel):
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identifier: str = Field(..., description="ID kandydata")
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Experience_Years: float = Field(..., alias="Experience (Years)")
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Education: float
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Certifications: float
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populate_by_name = True
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class RankingRequest(BaseModel):
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candidates: List[CandidateFeatures]
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class RankedCandidate(BaseModel):
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identifier: str
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score: float
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class RankingResponse(BaseModel):
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ranked_candidates: List[RankedCandidate]
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# --- 5. Punkty końcowe API ---
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@app.get("/")
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def read_root():
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return {"status": "OK", "message": "API działa poprawnie"}
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@app.post("/rank", response_model=RankingResponse)
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def rank_candidates(request: RankingRequest):
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global model
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if model is None:
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raise HTTPException(status_code=503, detail="Model nie jest gotowy. Sprawdź logi aplikacji.")
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if not request.candidates:
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return {"ranked_candidates": []}
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try:
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# Konwersja danych
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candidate_data_list = [c.model_dump(by_alias=True) for c in request.candidates]
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identifiers = [c['identifier'] for c in candidate_data_list]
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# DataFrame
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df = pd.DataFrame(candidate_data_list)
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features_df = df.drop(columns=['identifier'])
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# Dopasowanie kolumn do modelu
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features_df_ordered = features_df.reindex(columns=model.feature_names_in_, fill_value=0)
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# Predykcja
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probabilities = model.predict_proba(features_df_ordered)[:, 1]
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# Wynik
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ranked_list = []
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for i, identifier in enumerate(identifiers):
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ranked_list.append(RankedCandidate(
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identifier=identifier,
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score=float(probabilities[i])
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# Sortowanie
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sorted_ranked_list = sorted(ranked_list, key=lambda x: x.score, reverse=True)
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return {"ranked_candidates": sorted_ranked_list}
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except Exception as e:
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print(f"Błąd podczas predykcji: {e}")
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raise HTTPException(status_code=500, detail=f"Błąd serwera: {str(e)}")
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# Uruchomienie lokalne
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=8000)
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