backend
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backend/services/france_travail_offer_service.py
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197
backend/services/france_travail_offer_service.py
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# backend/services/france_travail_offer_service.py
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import httpx
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import logging
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from datetime import datetime, timedelta
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from typing import List, Optional, Dict, Any, Union
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from core.config import settings
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from schemas.france_travail import FranceTravailSearchResponse, OffreDetail, Offre, TypeContrat
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logger = logging.getLogger(__name__)
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class FranceTravailOfferService:
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def __init__(self):
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self.client_id = settings.FRANCE_TRAVAIL_CLIENT_ID
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self.client_secret = settings.FRANCE_TRAVAIL_CLIENT_SECRET
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self.token_url = settings.FRANCE_TRAVAIL_TOKEN_URL
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self.api_base_url = settings.FRANCE_TRAVAIL_API_BASE_URL
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self.api_scope = settings.FRANCE_TRAVAIL_API_SCOPE
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self.access_token = None
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self.token_expires_at = None
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async def _get_access_token(self):
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if self.access_token and self.token_expires_at and datetime.now() < self.token_expires_at:
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logger.info("Réutilisation du token France Travail existant.")
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return self.access_token
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logger.info("Obtention d'un nouveau token d'accès France Travail...")
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headers = {
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"Content-Type": "application/x-www-form-urlencoded"
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}
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data = {
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"grant_type": "client_credentials",
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"client_id": self.client_id,
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"client_secret": self.client_secret,
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"scope": self.api_scope
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}
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async with httpx.AsyncClient() as client:
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try:
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response = await client.post(self.token_url, headers=headers, data=data)
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response.raise_for_status()
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token_data = response.json()
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self.access_token = token_data["access_token"]
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expires_in = token_data.get("expires_in", 1500)
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self.token_expires_at = datetime.now() + timedelta(seconds=expires_in - 60)
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logger.info("Token France Travail obtenu avec succès.")
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return self.access_token
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except httpx.HTTPStatusError as e:
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logger.error(f"Erreur HTTP lors de l'obtention du token France Travail: {e.response.status_code} - {e.response.text}")
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raise RuntimeError(f"Échec de l'obtention du token France Travail: {e.response.text}")
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except Exception as e:
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logger.error(f"Erreur inattendue lors de l'obtention du token France Travail: {e}")
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raise RuntimeError(f"Échec inattendu lors de l'obtention du token France Travail: {e}")
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async def get_insee_code_for_commune(self, commune_name: str) -> Optional[str]:
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"""
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Récupère le code INSEE d'une commune à partir de son nom.
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Recherche une correspondance exacte du libellé, ou un code spécifique pour Paris.
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"""
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token = await self._get_access_token()
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headers = {
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"Accept": "application/json",
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"Authorization": f"Bearer {token}"
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}
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params = {
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"q": commune_name
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}
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async with httpx.AsyncClient() as client:
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try:
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response = await client.get(
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f"{self.api_base_url}/v2/referentiel/communes",
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headers=headers,
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params=params
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)
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response.raise_for_status()
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communes_data = response.json()
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found_code = None
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normalized_input_name = commune_name.upper().strip()
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if communes_data and isinstance(communes_data, list):
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for commune_info in communes_data:
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if commune_info and "code" in commune_info and "libelle" in commune_info:
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normalized_libelle = commune_info["libelle"].upper().strip()
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# Priorité 1: Recherche spécifique pour "PARIS" avec son code INSEE connu
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if normalized_input_name == "PARIS" and commune_info["code"] == "75056":
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found_code = commune_info["code"]
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break
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# Priorité 2: Correspondance exacte du libellé
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elif normalized_libelle == normalized_input_name:
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found_code = commune_info["code"]
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break
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# Priorité 3: Si c'est Paris, mais le libellé renvoyé n'est pas "PARIS" exactement,
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# mais le code est le bon, on le prend quand même.
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# Ceci peut arriver si l'API renvoie "Paris 01" par exemple.
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elif normalized_input_name == "PARIS" and commune_info["code"] in ["75056", "75101", "75102", "75103", "75104", "75105", "75106", "75107", "75108", "75109", "75110", "75111", "75112", "75113", "75114", "75115", "75116", "75117", "75118", "75119", "75120"]:
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# Note: Les codes 75101 à 75120 sont pour les arrondissements, mais l'API
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# France Travail utilise souvent le 75056 pour "Paris" globalement.
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# Cette condition est plus une sécurité, mais 75056 est la cible principale.
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if commune_info["code"] == "75056": # On préfère le code global de Paris
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found_code = commune_info["code"]
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break
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elif found_code is None: # Si on n'a pas encore trouvé 75056, on prend un arrondissement
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found_code = commune_info["code"] # Conserver le code d'arrondissement si c'est le seul "Paris" trouvé
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# Note: La logique ici est à affiner selon si vous voulez les arrondissements ou seulement le code global.
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# Pour la plupart des cas, "75056" est suffisant.
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if found_code:
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logger.info(f"Code INSEE pour '{commune_name}' trouvé : {found_code}")
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return found_code
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logger.warning(f"Aucun code INSEE exact trouvé pour la commune '{commune_name}' parmi les résultats de l'API. Vérifiez l'orthographe.")
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return None
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except httpx.HTTPStatusError as e:
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logger.error(f"Erreur HTTP lors de la récupération du code INSEE pour '{commune_name}': {e.response.status_code} - {e.response.text}")
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return None
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except Exception as e:
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logger.error(f"Erreur inattendue lors de la récupération du code INSEE pour '{commune_name}': {e}")
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return None
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async def search_offers(self,
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motsCles: Optional[str] = None,
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typeContrat: Optional[str] = None,
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codePostal: Optional[str] = None,
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commune: Optional[str] = None,
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distance: Optional[int] = None,
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alternance: Optional[bool] = None,
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offresManagerees: Optional[bool] = None,
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range: str = "0-14") -> FranceTravailSearchResponse:
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token = await self._get_access_token()
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headers = {
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"Accept": "application/json",
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"Authorization": f"Bearer {token}"
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}
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params = {
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"range": range,
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}
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if motsCles:
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params["motsCles"] = motsCles
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if typeContrat:
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params["typeContrat"] = typeContrat
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if alternance is not None:
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params["alternance"] = str(alternance).lower()
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if offresManagerees is not None:
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params["offresManagerees"] = str(offresManagerees).lower()
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if codePostal:
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params["codePostal"] = codePostal
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if distance is not None:
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params["distance"] = distance
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else:
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params["distance"] = 10
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elif commune:
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params["commune"] = commune
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if distance is not None:
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params["distance"] = distance
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else:
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params["distance"] = 10
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logger.info(f"Paramètres de recherche France Travail: {params}")
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async with httpx.AsyncClient() as client:
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try:
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response = await client.get(f"{self.api_base_url}/v2/offres/search", headers=headers, params=params)
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response.raise_for_status()
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return FranceTravailSearchResponse(**response.json())
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except httpx.HTTPStatusError as e:
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logger.error(f"Erreur HTTP lors de la recherche d'offres France Travail: {e.response.status_code} - {e.response.text}")
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raise RuntimeError(f"Échec de la recherche d'offres France Travail: {e.response.text}")
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except Exception as e:
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logger.error(f"Erreur inattendue lors de la recherche d'offres France Travail: {e}")
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raise RuntimeError(f"Échec inattendu lors de la recherche d'offres France Travail: {e}")
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async def get_offer_details(self, offer_id: str) -> OffreDetail:
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token = await self._get_access_token()
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headers = {
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"Accept": "application/json",
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"Authorization": f"Bearer {token}"
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}
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async with httpx.AsyncClient() as client:
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try:
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response = await client.get(f"{self.api_base_url}/v2/offres/{offer_id}", headers=headers)
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response.raise_for_status()
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return OffreDetail(**response.json())
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except httpx.HTTPStatusError as e:
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logger.error(f"Erreur HTTP lors de la récupération des détails de l'offre {offer_id}: {e.response.status_code} - {e.response.text}")
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raise RuntimeError(f"Échec de la récupération des détails de l'offre {offer_id}: {e.response.text}")
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except Exception as e:
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logger.error(f"Erreur inattendue lors de la récupération des détails de l'offre {offer_id}: {e}")
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raise RuntimeError(f"Échec inattendu lors de la récupération des détails de l'offre {offer_id}: {e}")
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france_travail_offer_service = FranceTravailOfferService()
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