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Update src/scoring_engine.py
Browse files- src/scoring_engine.py +342 -84
src/scoring_engine.py
CHANGED
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import json
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from datetime import datetime
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return None
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return datetime.now()
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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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def calculate_scores(self) -> dict:
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"""
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"details": {
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"context_score": context_score,
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}
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})
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# Trier par score décroissant
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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 EnhancedContextualScoringEngine:
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"""
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Moteur de scoring avancé qui analyse multiple dimensions pour évaluer
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le niveau de maîtrise d'une compétence : contexte, fréquence, profondeur,
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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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# Valeurs des contextes (révisées pour plus de granularité)
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CONTEXT_VALUES = {
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"formations": 0.3,
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"projets_personnels": 0.5,
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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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self.cv_data = parsed_cv_data.get("candidat", {})
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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, max_value: float = 10.0) -> float:
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"""Normalise une valeur avec une fonction sigmoïde améliorée."""
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if value <= 0:
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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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date_str_clean = date_str.strip().lower()
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current_indicators = ["aujourd'hui", "maintenant", "en cours", "current", "présent"]
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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 supportés étendus
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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(date_str_clean, fmt)
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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 avec gestion améliorée des cas limites."""
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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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duration = (end_date - start_date).days / 365.25
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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 pondérés avec analyse multi-dimensionnelle.
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"""
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skills_list = self.cv_data.get("compétences", {})
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all_skills = []
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| 192 |
+
|
| 193 |
+
# Combiner hard et soft skills
|
| 194 |
+
if isinstance(skills_list, dict):
|
| 195 |
+
all_skills.extend(skills_list.get("hard_skills", []))
|
| 196 |
+
all_skills.extend(skills_list.get("soft_skills", []))
|
| 197 |
+
elif isinstance(skills_list, list):
|
| 198 |
+
all_skills = [item.get("nom") for item in skills_list if item.get("nom")]
|
| 199 |
+
|
| 200 |
+
if not all_skills:
|
| 201 |
+
logger.warning("Aucune compétence à analyser dans le CV.")
|
| 202 |
+
return {"analyse_competences": []}
|
| 203 |
+
|
| 204 |
+
# Structure pour chaque compétence
|
| 205 |
+
skill_metrics = {
|
| 206 |
+
skill.lower(): {
|
| 207 |
+
"original_name": skill,
|
| 208 |
+
"contexts": set(),
|
| 209 |
+
"frequency": 0,
|
| 210 |
+
"max_duration": 0.0,
|
| 211 |
+
"expertise_scores": [],
|
| 212 |
+
"timeline": [], # Pour analyser la progression
|
| 213 |
+
"project_involvement": {"count": 0, "leadership": False}
|
| 214 |
+
}
|
| 215 |
+
for skill in all_skills if skill
|
| 216 |
+
}
|
| 217 |
+
|
| 218 |
+
# 1. Analyse des expériences professionnelles
|
| 219 |
+
for exp in self.cv_data.get("expériences", []):
|
| 220 |
+
if not isinstance(exp, dict):
|
| 221 |
+
continue
|
| 222 |
+
|
| 223 |
+
exp_text = json.dumps(exp, ensure_ascii=False).lower()
|
| 224 |
+
duration = self._calculate_duration_in_years(
|
| 225 |
+
exp.get("start_date", ""), exp.get("end_date", "")
|
| 226 |
+
)
|
| 227 |
+
|
| 228 |
+
# Déterminer la date pour la timeline
|
| 229 |
+
exp_date = self._parse_date(exp.get("start_date", ""))
|
| 230 |
|
| 231 |
+
for skill in skill_metrics:
|
| 232 |
+
if skill in exp_text:
|
| 233 |
+
skill_metrics[skill]["contexts"].add("experiences_professionnelles")
|
| 234 |
+
skill_metrics[skill]["frequency"] += exp_text.count(skill)
|
| 235 |
+
|
| 236 |
+
if duration > skill_metrics[skill]["max_duration"]:
|
| 237 |
+
skill_metrics[skill]["max_duration"] = duration
|
| 238 |
+
|
| 239 |
+
# Analyser le niveau d'expertise
|
| 240 |
+
expertise_level = self._detect_expertise_level(exp_text, skill)
|
| 241 |
+
skill_metrics[skill]["expertise_scores"].append(
|
| 242 |
+
self.EXPERTISE_SCORES[expertise_level]
|
| 243 |
+
)
|
| 244 |
+
|
| 245 |
+
# Ajouter à la timeline
|
| 246 |
+
if exp_date:
|
| 247 |
+
skill_metrics[skill]["timeline"].append((exp_date, expertise_level))
|
| 248 |
+
|
| 249 |
+
# 2. Analyse des projets (avec analyse approfondie)
|
| 250 |
+
projects_data = self.cv_data.get("projets", {})
|
| 251 |
+
for skill in skill_metrics:
|
| 252 |
+
proj_freq, proj_expertise, proj_contexts = self._analyze_skill_in_projects(
|
| 253 |
+
skill, projects_data
|
| 254 |
+
)
|
| 255 |
+
skill_metrics[skill]["frequency"] += proj_freq
|
| 256 |
+
skill_metrics[skill]["contexts"].update(proj_contexts)
|
| 257 |
+
if proj_expertise > 0:
|
| 258 |
+
skill_metrics[skill]["expertise_scores"].append(proj_expertise)
|
| 259 |
+
|
| 260 |
+
# 3. Analyse des formations
|
| 261 |
+
for formation in self.cv_data.get("formations", []):
|
| 262 |
+
if not isinstance(formation, dict):
|
| 263 |
+
continue
|
| 264 |
+
|
| 265 |
+
formation_text = json.dumps(formation, ensure_ascii=False).lower()
|
| 266 |
+
formation_date = self._parse_date(formation.get("start_date", ""))
|
| 267 |
|
| 268 |
+
for skill in skill_metrics:
|
| 269 |
+
if skill in formation_text:
|
| 270 |
+
skill_metrics[skill]["contexts"].add("formations")
|
| 271 |
+
skill_metrics[skill]["frequency"] += formation_text.count(skill)
|
| 272 |
+
skill_metrics[skill]["expertise_scores"].append(
|
| 273 |
+
self.EXPERTISE_SCORES["débutant"]
|
| 274 |
+
)
|
| 275 |
+
|
| 276 |
+
if formation_date:
|
| 277 |
+
skill_metrics[skill]["timeline"].append((formation_date, "débutant"))
|
| 278 |
+
|
| 279 |
+
# 4. Calcul final des scores
|
| 280 |
+
final_scores = []
|
| 281 |
+
for skill, metrics in skill_metrics.items():
|
| 282 |
+
if metrics["frequency"] == 0: # Skip skills not found
|
| 283 |
+
continue
|
| 284 |
+
|
| 285 |
+
# Score de contexte (avec bonus multi-contexte)
|
| 286 |
+
context_scores = [self.CONTEXT_VALUES.get(c, 0.1) for c in metrics["contexts"]]
|
| 287 |
+
context_score = max(context_scores) if context_scores else 0.1
|
| 288 |
+
if len(metrics["contexts"]) > 2:
|
| 289 |
+
context_score = min(1.0, context_score * 1.2) # Bonus multi-contexte
|
| 290 |
+
|
| 291 |
+
# Score d'expertise (moyenne pondérée)
|
| 292 |
+
avg_expertise = (
|
| 293 |
+
sum(metrics["expertise_scores"]) / len(metrics["expertise_scores"])
|
| 294 |
+
if metrics["expertise_scores"] else 0.5
|
| 295 |
+
)
|
| 296 |
+
|
| 297 |
+
# Score de progression
|
| 298 |
+
progression_score = self._calculate_progression_score(metrics["timeline"])
|
| 299 |
+
|
| 300 |
+
# Normalisation
|
| 301 |
+
normalized_frequency = self._normalize_score(metrics["frequency"], 5.0)
|
| 302 |
+
normalized_depth = self._normalize_score(metrics["max_duration"], 3.0)
|
| 303 |
+
|
| 304 |
+
# Formule finale améliorée
|
| 305 |
+
final_score = (
|
| 306 |
+
self.ALPHA * context_score +
|
| 307 |
+
self.BETA * normalized_frequency +
|
| 308 |
+
self.GAMMA * normalized_depth +
|
| 309 |
+
self.DELTA * avg_expertise +
|
| 310 |
+
self.EPSILON * progression_score
|
| 311 |
+
)
|
| 312 |
+
|
| 313 |
+
final_scores.append({
|
| 314 |
+
"skill": metrics["original_name"],
|
| 315 |
+
"score": round(final_score, 3),
|
| 316 |
+
"niveau_estime": self._estimate_skill_level(final_score),
|
| 317 |
"details": {
|
| 318 |
+
"context_score": round(context_score, 3),
|
| 319 |
+
"contexts_found": list(metrics["contexts"]),
|
| 320 |
+
"frequency": metrics["frequency"],
|
| 321 |
+
"max_duration_years": round(metrics["max_duration"], 1),
|
| 322 |
+
"expertise_level": round(avg_expertise, 3),
|
| 323 |
+
"progression_score": round(progression_score, 3),
|
| 324 |
+
"timeline_points": len(metrics["timeline"])
|
| 325 |
}
|
| 326 |
})
|
| 327 |
+
|
| 328 |
# Trier par score décroissant
|
| 329 |
+
final_scores.sort(key=lambda x: x["score"], reverse=True)
|
| 330 |
+
|
| 331 |
+
logger.info(f"Scoring avancé terminé pour {len(final_scores)} compétences.")
|
| 332 |
+
return {"analyse_competences": final_scores}
|
| 333 |
+
|
| 334 |
+
def _estimate_skill_level(self, score: float) -> str:
|
| 335 |
+
"""
|
| 336 |
+
Convertit le score numérique en niveau de compétence lisible.
|
| 337 |
+
"""
|
| 338 |
+
if score >= 0.8:
|
| 339 |
+
return "Expert"
|
| 340 |
+
elif score >= 0.6:
|
| 341 |
+
return "Avancé"
|
| 342 |
+
elif score >= 0.4:
|
| 343 |
+
return "Intermédiaire"
|
| 344 |
+
elif score >= 0.2:
|
| 345 |
+
return "Débutant"
|
| 346 |
+
else:
|
| 347 |
+
return "Notions"
|
| 348 |
+
|
| 349 |
+
def get_top_skills(self, n: int = 10, skill_type: str = None) -> List[Dict]:
|
| 350 |
+
"""
|
| 351 |
+
Retourne les N meilleures compétences, optionnellement filtrées par type.
|
| 352 |
+
"""
|
| 353 |
+
results = self.calculate_scores()
|
| 354 |
+
skills = results.get("analyse_competences", [])
|
| 355 |
+
|
| 356 |
+
if skill_type:
|
| 357 |
+
# Filtrer par type si spécifié (nécessiterait une classification préalable)
|
| 358 |
+
pass
|
| 359 |
+
|
| 360 |
+
return skills[:n]
|