Ajout données de géométrie administrative

.gitignore

@@ -4,6 +4,7 @@ __pycache__
 
 .env
 *.sqlite3
+*.sqlite3-journal
 
 data/
 

alembic/versions/62495c819f2b_ajout_des_modèles_de_géométries_.py

@@ -0,0 +1,76 @@
+"""Ajout des modèles de géométries administratives
+
+Revision ID: 62495c819f2b
+Revises: 9d99f3ea6b66
+Create Date: 2024-06-08 16:13:15.457114
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '62495c819f2b'
+down_revision: Union[str, None] = '9d99f3ea6b66'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('region',
+    sa.Column('code_insee', sa.String(length=3), nullable=False),
+    sa.Column('libelle', sa.String(length=64), nullable=False),
+    sa.Column('geometry', sa.JSON(), nullable=False),
+    sa.PrimaryKeyConstraint('code_insee'),
+    sa.UniqueConstraint('libelle')
+    )
+    op.create_table('departement',
+    sa.Column('code_insee', sa.String(length=2), nullable=False),
+    sa.Column('libelle', sa.String(length=64), nullable=False),
+    sa.Column('region_code', sa.String(length=3), nullable=False),
+    sa.Column('geometry', sa.JSON(), nullable=False),
+    sa.ForeignKeyConstraint(['region_code'], ['region.code_insee'], ),
+    sa.PrimaryKeyConstraint('code_insee'),
+    sa.UniqueConstraint('libelle')
+    )
+    op.create_table('circonscription',
+    sa.Column('id', sa.String(length=6), nullable=False),
+    sa.Column('departement_code', sa.String(length=2), nullable=False),
+    sa.Column('numero', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['departement_code'], ['departement.code_insee'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('commune',
+    sa.Column('code_insee', sa.String(length=5), nullable=False),
+    sa.Column('libelle', sa.String(length=64), nullable=False),
+    sa.Column('departement_code', sa.String(length=2), nullable=False),
+    sa.Column('geometry', sa.JSON(), nullable=False),
+    sa.ForeignKeyConstraint(['departement_code'], ['departement.code_insee'], ),
+    sa.PrimaryKeyConstraint('code_insee')
+    )
+    op.create_table('bureau_vote',
+    sa.Column('id', sa.String(length=16), nullable=False),
+    sa.Column('commune_code', sa.String(length=5), nullable=False),
+    sa.Column('code_bureau', sa.String(length=8), nullable=False),
+    sa.Column('circo_code', sa.String(length=6), nullable=False),
+    sa.Column('libelle', sa.String(length=256), nullable=False),
+    sa.Column('adresse', sa.String(length=256), nullable=True),
+    sa.Column('geometry', sa.JSON(), nullable=False),
+    sa.ForeignKeyConstraint(['circo_code'], ['circonscription.id'], ),
+    sa.ForeignKeyConstraint(['commune_code'], ['commune.code_insee'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('bureau_vote')
+    op.drop_table('commune')
+    op.drop_table('circonscription')
+    op.drop_table('departement')
+    op.drop_table('region')
+    # ### end Alembic commands ###

main.py

@@ -6,7 +6,7 @@ import os
 from dotenv import load_dotenv
 from sqlalchemy import create_engine
 
-from nupes.scripts import import_candidats_2024
+from nupes.scripts import import_candidats_2024, import_geographie
 
 
 def parse_args():
@@ -15,7 +15,8 @@ def parse_args():
                         choices=["présidentielle", "législatives", "sénatoriales", "européennes",
                                  "régionales", "départementales", "municipales"], default="européennes")
     parser.add_argument('--year', '-y', type=int, help="Année de l'élection", default=2024)
-    parser.add_argument('action', help="Action à réaliser", choices=["import_candidats"])
+    parser.add_argument('action', help="Action à réaliser",
+                        choices=["import_candidats", "import_geographie"])
     parser.add_argument('--debug', '-d', action='store_true', help="Mode debug")
     return parser.parse_args()
 
@@ -28,6 +29,9 @@ def main():
     engine = create_engine(os.getenv("SQLALCHEMY_URL"), echo=args.debug)
 
     match args.action:
+        case "import_geographie":
+            print(f"Import des données géographiques pour les élections {args.type} {args.year}")
+            import_geographie.run(engine)
         case "import_candidats":
             print(f"Import des candidats pour les élections {args.type} {args.year}")
             import_candidats_2024.run(engine)

nupes/data.py

@@ -6,15 +6,16 @@ import requests
 DATA_DIR = Path(__file__).parent / 'data'
 
 
-def get_file(url, filename):
+def get_file(url, filename, etag: str = None):
     if not DATA_DIR.is_dir():
         DATA_DIR.mkdir()
 
     head_response = requests.head(url, allow_redirects=True)
     headers = head_response.headers
+    if not etag:
         etag = headers.get('ETag').split('/')[-1].replace('"', '')
 
-    file = DATA_DIR / f"{etag}_{filename}"
+    file = DATA_DIR / filename.format(etag=etag)
     if file.exists():
         return file
 

nupes/models/__init__.py

@@ -1,2 +1,3 @@
 from .base import Base
+from .geographie import Region, Departement, Commune, Circonscription, BureauVote
 from .europeennes2024 import Bloc as Bloc2024, Nuance as Nuance2024, Liste as Liste2024, Candidat as Candidat2024

nupes/models/geographie.py

@@ -0,0 +1,66 @@
+from typing import List
+
+from sqlalchemy import Float, ForeignKey, Integer, JSON, String
+from sqlalchemy.orm import mapped_column, Mapped, relationship
+
+from nupes.models import Base
+
+
+class Region(Base):
+    __tablename__ = "region"
+
+    code_insee: Mapped[str] = mapped_column(String(3), primary_key=True)
+    libelle: Mapped[str] = mapped_column(String(64), unique=True)
+    geometry: Mapped[dict] = mapped_column(JSON())
+
+    departements: Mapped[List["Departement"]] = relationship("Departement", back_populates="region")
+
+
+class Departement(Base):
+    __tablename__ = "departement"
+
+    code_insee: Mapped[str] = mapped_column(String(2), primary_key=True)
+    libelle: Mapped[str] = mapped_column(String(64), unique=True)
+    region_code: Mapped[int] = mapped_column(ForeignKey("region.code_insee"))
+    geometry: Mapped[dict] = mapped_column(JSON())
+
+    region: Mapped[Region] = relationship(Region, back_populates="departements")
+    communes: Mapped[List["Commune"]] = relationship("Commune", back_populates="departement")
+
+
+class Commune(Base):
+    __tablename__ = "commune"
+
+    code_insee: Mapped[str] = mapped_column(String(5), primary_key=True)
+    libelle: Mapped[str] = mapped_column(String(64))
+    departement_code: Mapped[str] = mapped_column(ForeignKey("departement.code_insee"))
+    geometry: Mapped[dict] = mapped_column(JSON())
+
+    departement: Mapped[Departement] = relationship(Departement, back_populates="communes")
+    bureaux_vote: Mapped[List["BureauVote"]] = relationship("BureauVote", back_populates="commune")
+
+
+class Circonscription(Base):
+    __tablename__ = "circonscription"
+
+    id: Mapped[str] = mapped_column(String(6), primary_key=True)
+    departement_code: Mapped[str] = mapped_column(ForeignKey("departement.code_insee"))
+    numero: Mapped[int] = mapped_column(Integer())
+
+    departement: Mapped[Departement] = relationship(Departement)
+    bureaux_vote: Mapped[List["BureauVote"]] = relationship("BureauVote", back_populates="circonscription")
+
+
+class BureauVote(Base):
+    __tablename__ = "bureau_vote"
+
+    id: Mapped[str] = mapped_column(String(16), primary_key=True)
+    commune_code: Mapped[str] = mapped_column(ForeignKey("commune.code_insee"))
+    code_bureau: Mapped[str] = mapped_column(String(8))
+    circo_code: Mapped[str] = mapped_column(ForeignKey("circonscription.id"))
+    libelle: Mapped[str] = mapped_column(String(256))
+    adresse: Mapped[str] = mapped_column(String(256), nullable=True)
+    geometry: Mapped[dict] = mapped_column(JSON())
+
+    commune: Mapped[Commune] = relationship(Commune, back_populates="bureaux_vote")
+    circonscription: Mapped[Circonscription] = relationship(Circonscription, back_populates="bureaux_vote")

nupes/scripts/import_candidats_2024.py

@@ -125,7 +125,7 @@ def importer_listes(engine: Engine) -> None:
 
 def importer_candidats(engine: Engine) -> None:
     DATASET_URL = "https://www.data.gouv.fr/fr/datasets/r/483cd4bd-1b0e-4b52-a923-aadadf9c8f62"
-    file = get_file(DATASET_URL, "candidats_2024.csv")
+    file = get_file(DATASET_URL, "candidats_2024-{etag}.csv")
 
     with file.open('r') as f:
         with Session(engine) as session:

nupes/scripts/import_geographie.py

@@ -0,0 +1,177 @@
+import json
+from datetime import datetime
+
+import requests
+from sqlalchemy import Engine, select
+from sqlalchemy.orm import Session
+
+from nupes.data import get_file
+from nupes.models.geographie import BureauVote, Circonscription, Commune, Departement, Region
+
+
+def importer_regions(engine: Engine) -> None:
+    etag = requests.get(
+        "https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+        "/georef-france-region?select=data_processed").json()['data_processed']
+    file = get_file("https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+                    "/georef-france-region/exports/geojson?lang=fr&timezone=Europe%2FBerlin",
+                    "georef-france-region-{etag}.geojson", etag)
+
+    with file.open('r') as f:
+        features = json.load(f)['features']
+
+    with Session(engine) as session:
+        for feature in features:
+            region_dict = feature['properties']
+            code_region = region_dict['reg_code'][0]
+            nom_region = region_dict['reg_name'][0]
+
+            if region := session.execute(select(Region).filter_by(code_insee=code_region)).scalar_one_or_none():
+                region.libelle = nom_region
+                region.geometry = feature['geometry']
+            else:
+                region = Region(code_insee=code_region, libelle=nom_region, geometry=feature['geometry'])
+                session.add(region)
+
+        session.commit()
+
+
+def importer_departements(engine: Engine) -> None:
+    etag = requests.get(
+        "https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+        "/georef-france-departement?select=data_processed").json()['data_processed']
+    file = get_file("https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+                    "/georef-france-departement/exports/geojson?lang=fr&timezone=Europe%2FBerlin",
+                    "georef-france-departement-{etag}.geojson", etag)
+
+
+    with file.open('r') as f:
+        features = json.load(f)['features']
+
+    with Session(engine) as session:
+        for feature in features:
+            dpt_dict = feature['properties']
+            code_dpt = dpt_dict['dep_code'][0]
+            nom_dpt = dpt_dict['dep_name'][0]
+
+            if dpt := session.execute(select(Departement).filter_by(code_insee=code_dpt)).scalar_one_or_none():
+                dpt.libelle = nom_dpt
+                dpt.region_code = dpt_dict['reg_code'][0]
+                dpt.geometry = feature['geometry']
+            else:
+                dpt = Departement(code_insee=code_dpt, libelle=nom_dpt, region_code=dpt_dict['reg_code'][0],
+                                  geometry=feature['geometry'])
+                session.add(dpt)
+
+        session.commit()
+
+
+def importer_communes(engine: Engine) -> None:
+    etag = requests.get(
+        "https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+        "/georef-france-commune?select=data_processed").json()['data_processed']
+    file = get_file("https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+                    "/georef-france-commune/exports/geojson?lang=fr&timezone=Europe%2FBerlin",
+                    "georef-france-commune-{etag}.geojson", etag)
+
+    with file.open('r') as f:
+        features = json.load(f)['features']
+
+    with Session(engine) as session:
+        for feature in features:
+            commune_dict = feature['properties']
+            code_commune = commune_dict['com_code'][0]
+            nom_commune = commune_dict['com_name'][0]
+
+            if commune := session.execute(select(Commune).filter_by(code_insee=code_commune)).scalar_one_or_none():
+                commune.libelle = nom_commune
+                commune.departement_code = commune_dict['dep_code'][0]
+                commune.geometry = feature['geometry']
+            else:
+                commune = Commune(code_insee=code_commune, libelle=nom_commune,
+                                  departement_code=commune_dict['dep_code'][0], geometry=feature['geometry'])
+                session.add(commune)
+
+        session.commit()
+
+
+def importer_bureaux_vote(engine: Engine) -> None:
+    etag = requests.get(
+        "https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+        "/elections-france-bureau-vote-2022?select=data_processed").json()['data_processed']
+    file = get_file("https://public.opendatasoft.com/api/explore/v2.1/catalog/datasets"
+                    "/elections-france-bureau-vote-2022/exports/geojson?lang=fr&timezone=Europe%2FBerlin",
+                    "elections-france-bureau-vote-2022-{etag}.geojson", etag)
+
+    with file.open('r') as f:
+        features = json.load(f)['features']
+
+    with Session(engine) as session:
+        for feature in features:
+            bv_dict = feature['properties']
+            code_commune = bv_dict['com_code']
+            if not code_commune:
+                print(feature)
+                continue
+            code_commune = code_commune.split('/')[0]
+            code_bv = bv_dict['code'] or "0"
+            code_circo = bv_dict['circonscription_code']
+            bv_id = f"{code_commune}_{code_bv}"
+            bv_libelle = bv_dict['libelle'] or "Bureau unique"
+
+            if not session.execute(select(Circonscription).filter_by(id=code_circo)).scalar_one_or_none():
+                session.add(Circonscription(id=code_circo, departement_code=code_commune[:2],
+                                            numero=int(code_circo[3:])))
+
+            if bv := session.execute(select(BureauVote).filter_by(id=bv_id)).scalar_one_or_none():
+                bv.commune_code = code_commune
+                bv.code_bureau = code_bv
+                bv.circo_code = code_circo
+                bv.libelle = bv_libelle
+                bv.adresse = bv_dict['adresse']
+            else:
+                bv = BureauVote(id=bv_id, commune_code=code_commune, code_bureau=code_bv, circo_code=code_circo,
+                                libelle=bv_libelle, adresse=bv_dict['adresse'],
+                                geometry={})
+                session.add(bv)
+
+        session.commit()
+
+
+def importer_contours_bureaux_vote(engine: Engine) -> None:
+    file = get_file("https://www.data.gouv.fr/fr/datasets/r/f98165a7-7c37-4705-a181-bcfc943edc73",
+                    "contours-bureaux-vote.geojson")
+
+    with file.open('r') as f:
+        features = json.load(f)['features']
+
+    with Session(engine) as session:
+        for feature in features:
+            bv_id: str = feature['properties']['id_bv']
+            com_code, bv_code = bv_id.split('_')
+            bv_code = bv_code.replace("-", " ").replace(".", " ").strip()
+            while len(bv_code) >= 2 and bv_code[0] == '0':
+                bv_code = bv_code[1:]
+            while "  " in bv_code:
+                bv_code = bv_code.replace("  ", " ")
+            bv_id = f"{com_code}_{bv_code}"
+
+            if bv := session.execute(select(BureauVote).filter_by(id=bv_id)).scalar_one_or_none():
+                bv.geometry = feature['geometry']
+            else:
+                results = session.execute(select(BureauVote).filter_by(commune_code=com_code)).scalars().all()
+                if len(results) == 1:
+                    bv = results[0]
+                    bv.geometry = feature['geometry']
+                else:
+                    print(f"Bureau de vote {bv_id} non trouvé")
+
+        session.commit()
+
+
+def run(engine: Engine) -> None:
+    # importer_regions(engine)
+    # importer_departements(engine)
+    # importer_communes(engine)
+    importer_bureaux_vote(engine)
+    importer_contours_bureaux_vote(engine)