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Update src/scoring_engine.py
Browse files- src/scoring_engine.py +56 -267
src/scoring_engine.py
CHANGED
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@@ -2,48 +2,23 @@ import json
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import logging
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from datetime import datetime
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from collections import defaultdict
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import re
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from typing import Dict, List, Tuple, Any
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logger = logging.getLogger(__name__)
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class
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"""
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Moteur de scoring
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progression, et niveau d'expertise démontré.
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"""
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# Pondérations pour la formule de scoring (total = 1.0)
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ALPHA = 0.35 # Poids du contexte (où la compétence est mentionnée)
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BETA = 0.20 # Poids de la fréquence (combien de fois elle apparaît)
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GAMMA = 0.25 # Poids de la profondeur (durée d'expérience)
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DELTA = 0.15 # Poids de l'expertise (niveau démontré)
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EPSILON = 0.05 # Poids de la progression (évolution dans le temps)
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CONTEXT_VALUES = {
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"formations": 0.3,
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"
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"projets_professionnels": 0.7,
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"experiences_professionnelles": 0.8,
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"responsabilités_leadership": 0.9, # Nouveau : si mentionné comme leader/expert
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}
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# Mots-clés indiquant différents niveaux d'expertise
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EXPERTISE_KEYWORDS = {
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"débutant": ["initiation", "découverte", "apprentissage", "formation"],
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"intermédiaire": ["utilisation", "application", "développement", "mise en œuvre"],
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"avancé": ["maîtrise", "expertise", "optimisation", "architecture", "conception"],
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"expert": ["lead", "senior", "expert", "mentor", "formateur", "référent", "spécialiste"]
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}
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# Scores d'expertise
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EXPERTISE_SCORES = {
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"débutant": 0.2,
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"intermédiaire": 0.5,
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"avancé": 0.8,
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"expert": 1.0
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}
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def __init__(self, parsed_cv_data: dict):
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@@ -51,310 +26,124 @@ class EnhancedContextualScoringEngine:
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if not self.cv_data:
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raise ValueError("Données du candidat non trouvées dans le CV parsé.")
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def _normalize_score(self, value: float
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"""Normalise une valeur
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return 0.0
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# Utilisation d'une courbe plus douce pour éviter la saturation trop rapide
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return min(1.0, value / (value + max_value))
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def _parse_date(self, date_str: str) -> datetime | None:
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"""Parse une date de manière robuste."""
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if not date_str or not isinstance(date_str, str):
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return None
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if any(indicator in date_str_clean for indicator in current_indicators):
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return datetime.now()
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formats = ["%m/%Y", "%Y-%m", "%Y", "%m-%Y", "%B %Y", "%b %Y"]
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for fmt in formats:
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try:
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return datetime.strptime(
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except ValueError:
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continue
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return None
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def _calculate_duration_in_years(self, start_date_str: str, end_date_str: str) -> float:
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"""Calcule la durée
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start_date = self._parse_date(start_date_str)
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end_date = self._parse_date(end_date_str)
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if start_date and end_date:
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if end_date < start_date:
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return 0.0
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return max(0.0, duration)
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elif start_date: # Si seule la date de début est connue
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current = datetime.now()
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duration = (current - start_date).days / 365.25
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return max(0.0, min(duration, 10.0)) # Cap à 10 ans pour éviter les aberrations
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return 0.0
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def _detect_expertise_level(self, text: str, skill: str) -> str:
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"""
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Détecte le niveau d'expertise d'une compétence basé sur le contexte.
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"""
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text_lower = text.lower()
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skill_lower = skill.lower()
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# Chercher des patterns spécifiques autour de la compétence
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skill_context = ""
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skill_positions = [m.start() for m in re.finditer(re.escape(skill_lower), text_lower)]
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for pos in skill_positions:
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# Extraire 100 caractères avant et après la mention de la compétence
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start = max(0, pos - 100)
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end = min(len(text_lower), pos + len(skill_lower) + 100)
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skill_context += " " + text_lower[start:end]
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# Analyser le contexte pour déterminer le niveau
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for level in ["expert", "avancé", "intermédiaire", "débutant"]:
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for keyword in self.EXPERTISE_KEYWORDS[level]:
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if keyword in skill_context:
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return level
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# Si aucun indicateur spécifique, analyser les verbes d'action
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advanced_verbs = ["concevoir", "architecturer", "optimiser", "diriger", "superviser"]
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intermediate_verbs = ["développer", "implémenter", "créer", "réaliser"]
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if any(verb in skill_context for verb in advanced_verbs):
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return "avancé"
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elif any(verb in skill_context for verb in intermediate_verbs):
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return "intermédiaire"
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return "intermédiaire" # Valeur par défaut
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def _calculate_progression_score(self, skill_timeline: List[Tuple[datetime, str]]) -> float:
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"""
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Calcule un score de progression basé sur l'évolution de la compétence dans le temps.
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"""
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if len(skill_timeline) < 2:
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return 0.0
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# Trier par date
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skill_timeline.sort(key=lambda x: x[0])
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# Analyser la progression des niveaux
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levels = ["débutant", "intermédiaire", "avancé", "expert"]
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level_values = {level: i for i, level in enumerate(levels)}
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progression = 0.0
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for i in range(1, len(skill_timeline)):
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prev_level = level_values.get(skill_timeline[i-1][1], 1)
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curr_level = level_values.get(skill_timeline[i][1], 1)
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if curr_level > prev_level:
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progression += 0.3 # Bonus pour progression positive
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# Bonus pour utilisation récente (dans les 2 dernières années)
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recent_cutoff = datetime.now().replace(year=datetime.now().year - 2)
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if skill_timeline[-1][0] >= recent_cutoff:
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progression += 0.2
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return min(1.0, progression)
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def _analyze_skill_in_projects(self, skill: str, projects_data: Dict) -> Tuple[int, float, List[str]]:
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"""
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Analyse spécifique des compétences dans les projets.
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Retourne: (fréquence, score_expertise_moyen, contextes)
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"""
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frequency = 0
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expertise_scores = []
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contexts = []
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for project_type in ["professional", "personal"]:
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for project in projects_data.get(project_type, []):
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project_text = json.dumps(project, ensure_ascii=False).lower()
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if skill.lower() in project_text:
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contexts.append(f"projets_{project_type}")
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frequency += project_text.count(skill.lower())
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# Analyser le rôle pour déterminer l'expertise
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role = project.get("role", "").lower()
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if any(expert_word in role for expert_word in ["lead", "chef", "responsable", "senior"]):
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expertise_scores.append(self.EXPERTISE_SCORES["expert"])
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else:
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level = self._detect_expertise_level(project_text, skill)
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expertise_scores.append(self.EXPERTISE_SCORES[level])
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avg_expertise = sum(expertise_scores) / len(expertise_scores) if expertise_scores else 0.5
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return frequency, avg_expertise, contexts
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def calculate_scores(self) -> dict:
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"""
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Calcule les scores
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"""
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all_skills = [item.get("nom") for item in skills_list if item.get("nom")]
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if not
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logger.warning("Aucune compétence à analyser dans le CV.")
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return {"analyse_competences": []}
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# Structure pour chaque compétence
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skill_metrics = {
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skill.lower(): {
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"original_name": skill,
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"contexts": set(),
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"frequency": 0,
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"max_duration": 0.0
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"expertise_scores": [],
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"timeline": [], # Pour analyser la progression
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"project_involvement": {"count": 0, "leadership": False}
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}
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for skill in
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}
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for exp in self.cv_data.get(
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if not isinstance(exp, dict):
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continue
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exp_text = json.dumps(exp, ensure_ascii=False).lower()
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duration = self._calculate_duration_in_years(
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exp.get("
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)
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# Déterminer la date pour la timeline
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exp_date = self._parse_date(exp.get("start_date", ""))
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for skill in skill_metrics:
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if skill in exp_text:
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skill_metrics[skill]["contexts"].add("experiences_professionnelles")
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skill_metrics[skill]["frequency"] += exp_text.count(skill)
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if duration > skill_metrics[skill]["max_duration"]:
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skill_metrics[skill]["max_duration"] = duration
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# Analyser le niveau d'expertise
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expertise_level = self._detect_expertise_level(exp_text, skill)
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skill_metrics[skill]["expertise_scores"].append(
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self.EXPERTISE_SCORES[expertise_level]
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)
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# Ajouter à la timeline
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if exp_date:
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skill_metrics[skill]["timeline"].append((exp_date, expertise_level))
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# 2. Analyse des projets (avec analyse approfondie)
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projects_data = self.cv_data.get("projets", {})
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# 3. Analyse des formations
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for formation in self.cv_data.get("formations", []):
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if not isinstance(formation, dict):
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continue
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formation_text = json.dumps(formation, ensure_ascii=False).lower()
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formation_date = self._parse_date(formation.get("start_date", ""))
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for skill in skill_metrics:
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if skill in formation_text:
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skill_metrics[skill]["contexts"].add("formations")
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skill_metrics[skill]["frequency"] += formation_text.count(skill)
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skill_metrics[skill]["expertise_scores"].append(
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self.EXPERTISE_SCORES["débutant"]
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)
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if formation_date:
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skill_metrics[skill]["timeline"].append((formation_date, "débutant"))
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# 4. Calcul final des scores
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final_scores = []
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for skill, metrics in skill_metrics.items():
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if metrics["frequency"] == 0:
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continue
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if len(metrics["contexts"]) > 2:
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context_score = min(1.0, context_score * 1.2) # Bonus multi-contexte
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# Score d'expertise (moyenne pondérée)
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avg_expertise = (
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sum(metrics["expertise_scores"]) / len(metrics["expertise_scores"])
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if metrics["expertise_scores"] else 0.5
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)
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# Score de progression
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progression_score = self._calculate_progression_score(metrics["timeline"])
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normalized_depth = self._normalize_score(metrics["max_duration"], 3.0)
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self.BETA * normalized_frequency +
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self.GAMMA * normalized_depth +
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self.DELTA * avg_expertise +
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self.EPSILON * progression_score
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)
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final_scores.append({
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"skill": metrics["original_name"],
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"score": round(final_score,
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"niveau_estime": self._estimate_skill_level(final_score),
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"details": {
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"context_score": round(context_score,
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"contexts_found": list(metrics["contexts"]),
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"frequency": metrics["frequency"],
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"max_duration_years": round(metrics["max_duration"], 1)
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"expertise_level": round(avg_expertise, 3),
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"progression_score": round(progression_score, 3),
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"timeline_points": len(metrics["timeline"])
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}
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})
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# Trier par score décroissant
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final_scores.sort(key=lambda x: x["score"], reverse=True)
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logger.info(f"Scoring avancé terminé pour {len(final_scores)} compétences.")
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return {"analyse_competences": final_scores}
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def _estimate_skill_level(self, score: float) -> str:
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"""
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Convertit le score numérique en niveau de compétence lisible.
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"""
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if score >= 0.8:
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return "Expert"
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elif score >= 0.6:
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return "Avancé"
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elif score >= 0.4:
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return "Intermédiaire"
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elif score >= 0.2:
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return "Débutant"
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else:
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return "Notions"
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def get_top_skills(self, n: int = 10, skill_type: str = None) -> List[Dict]:
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"""
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Retourne les N meilleures compétences, optionnellement filtrées par type.
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"""
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results = self.calculate_scores()
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skills = results.get("analyse_competences", [])
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if skill_type:
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# Filtrer par type si spécifié (nécessiterait une classification préalable)
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pass
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return skills[:n]
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import logging
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from datetime import datetime
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from collections import defaultdict
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logger = logging.getLogger(__name__)
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class ContextualScoringEngine:
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"""
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Moteur de scoring qui maintient la compatibilité avec l'ancienne interface
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tout en offrant les nouvelles fonctionnalités.
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"""
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ALPHA = 0.5
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BETA = 0.3
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GAMMA = 0.2
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CONTEXT_VALUES = {
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"formations": 0.3,
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"projets": 0.6,
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"experiences_professionnelles": 0.8,
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}
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def __init__(self, parsed_cv_data: dict):
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| 26 |
if not self.cv_data:
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| 27 |
raise ValueError("Données du candidat non trouvées dans le CV parsé.")
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| 29 |
+
def _normalize_score(self, value: float) -> float:
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+
"""Normalise une valeur sur une échelle de 0 à 1."""
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+
return 1 - (1 / (1 + float(value)))
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| 32 |
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def _parse_date(self, date_str: str) -> datetime | None:
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"""Parse une date de manière robuste."""
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if not date_str or not isinstance(date_str, str):
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return None
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| 38 |
+
date_str_lower = date_str.lower()
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+
if date_str_lower in ["aujourd'hui", "maintenant", "en cours", "current"]:
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return datetime.now()
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+
for fmt in ("%m/%Y", "%Y"):
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| 43 |
try:
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+
return datetime.strptime(date_str, fmt)
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except ValueError:
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continue
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| 47 |
return None
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| 49 |
def _calculate_duration_in_years(self, start_date_str: str, end_date_str: str) -> float:
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+
"""Calcule la durée d'une expérience en années."""
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start_date = self._parse_date(start_date_str)
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end_date = self._parse_date(end_date_str)
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| 54 |
if start_date and end_date:
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| 55 |
if end_date < start_date:
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| 56 |
return 0.0
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+
return (end_date - start_date).days / 365.25
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return 0.0
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| 60 |
def calculate_scores(self) -> dict:
|
| 61 |
"""
|
| 62 |
+
Calcule les scores pour toutes les compétences.
|
| 63 |
+
Maintient la compatibilité avec l'ancienne interface.
|
| 64 |
"""
|
| 65 |
+
skills_data = self.cv_data.get("compétences", {})
|
| 66 |
+
skills_list = []
|
| 67 |
|
| 68 |
+
if isinstance(skills_data, dict):
|
| 69 |
+
skills_list.extend(skills_data.get("hard_skills", []))
|
| 70 |
+
skills_list.extend(skills_data.get("soft_skills", []))
|
| 71 |
+
elif isinstance(skills_data, list):
|
| 72 |
+
skills_list = [item.get("nom") for item in skills_data if item.get("nom")]
|
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|
| 73 |
|
| 74 |
+
if not skills_list:
|
| 75 |
logger.warning("Aucune compétence à analyser dans le CV.")
|
| 76 |
return {"analyse_competences": []}
|
| 77 |
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|
| 78 |
skill_metrics = {
|
| 79 |
skill.lower(): {
|
| 80 |
"original_name": skill,
|
| 81 |
"contexts": set(),
|
| 82 |
"frequency": 0,
|
| 83 |
+
"max_duration": 0.0
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|
| 84 |
}
|
| 85 |
+
for skill in skills_list if skill
|
| 86 |
}
|
| 87 |
|
| 88 |
+
experiences_key = "expériences" if "expériences" in self.cv_data else "experiences_professionnelles"
|
| 89 |
+
for exp in self.cv_data.get(experiences_key, []):
|
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|
| 90 |
exp_text = json.dumps(exp, ensure_ascii=False).lower()
|
| 91 |
duration = self._calculate_duration_in_years(
|
| 92 |
+
exp.get("date_debut", exp.get("start_date", "")),
|
| 93 |
+
exp.get("date_fin", exp.get("end_date", ""))
|
| 94 |
)
|
| 95 |
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|
| 96 |
for skill in skill_metrics:
|
| 97 |
if skill in exp_text:
|
| 98 |
skill_metrics[skill]["contexts"].add("experiences_professionnelles")
|
| 99 |
skill_metrics[skill]["frequency"] += exp_text.count(skill)
|
|
|
|
| 100 |
if duration > skill_metrics[skill]["max_duration"]:
|
| 101 |
skill_metrics[skill]["max_duration"] = duration
|
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|
| 102 |
|
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|
| 103 |
projects_data = self.cv_data.get("projets", {})
|
| 104 |
+
if isinstance(projects_data, dict):
|
| 105 |
+
for project_type in ["professional", "personal"]:
|
| 106 |
+
for project in projects_data.get(project_type, []):
|
| 107 |
+
project_text = json.dumps(project, ensure_ascii=False).lower()
|
| 108 |
+
for skill in skill_metrics:
|
| 109 |
+
if skill in project_text:
|
| 110 |
+
skill_metrics[skill]["contexts"].add("projets")
|
| 111 |
+
skill_metrics[skill]["frequency"] += project_text.count(skill)
|
|
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|
|
| 112 |
for formation in self.cv_data.get("formations", []):
|
|
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|
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|
| 113 |
formation_text = json.dumps(formation, ensure_ascii=False).lower()
|
|
|
|
|
|
|
| 114 |
for skill in skill_metrics:
|
| 115 |
if skill in formation_text:
|
| 116 |
skill_metrics[skill]["contexts"].add("formations")
|
| 117 |
skill_metrics[skill]["frequency"] += formation_text.count(skill)
|
|
|
|
|
|
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|
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|
|
|
|
|
|
| 118 |
final_scores = []
|
| 119 |
for skill, metrics in skill_metrics.items():
|
| 120 |
+
if metrics["frequency"] == 0:
|
| 121 |
continue
|
| 122 |
+
|
| 123 |
+
context_score = max((self.CONTEXT_VALUES.get(c, 0) for c in metrics["contexts"]), default=0.1)
|
| 124 |
+
if len(metrics["contexts"]) > 1:
|
| 125 |
+
context_score = 1.0
|
|
|
|
|
|
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|
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|
|
|
|
|
|
| 126 |
|
| 127 |
+
normalized_frequency = self._normalize_score(metrics["frequency"])
|
| 128 |
+
normalized_depth = self._normalize_score(metrics["max_duration"])
|
|
|
|
| 129 |
|
| 130 |
+
final_score = (self.ALPHA * context_score) + \
|
| 131 |
+
(self.BETA * normalized_frequency) + \
|
| 132 |
+
(self.GAMMA * normalized_depth)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 133 |
|
| 134 |
final_scores.append({
|
| 135 |
"skill": metrics["original_name"],
|
| 136 |
+
"score": round(final_score, 2),
|
|
|
|
| 137 |
"details": {
|
| 138 |
+
"context_score": round(context_score, 2),
|
| 139 |
"contexts_found": list(metrics["contexts"]),
|
| 140 |
"frequency": metrics["frequency"],
|
| 141 |
+
"max_duration_years": round(metrics["max_duration"], 1)
|
|
|
|
|
|
|
|
|
|
| 142 |
}
|
| 143 |
})
|
| 144 |
|
|
|
|
| 145 |
final_scores.sort(key=lambda x: x["score"], reverse=True)
|
| 146 |
+
logger.info(f"Scoring terminé pour {len(final_scores)} compétences.")
|
| 147 |
|
|
|
|
| 148 |
return {"analyse_competences": final_scores}
|
| 149 |
+
OptimizedContextualScoringEngine = ContextualScoringEngine
|
|
|
|
|
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