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Ajout données de géométrie administrative

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This commit is contained in:
Emmy D'Anello 2024-06-08 17:10:19 +02:00
parent ed4ede0d7f
commit b1aee3ad07
Signed by: ynerant
GPG Key ID: 3A75C55819C8CF85
8 changed files with 332 additions and 6 deletions
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1
.gitignore vendored
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@ -4,6 +4,7 @@ __pycache__
.env
*.sqlite3
*.sqlite3-journal
data/

76
alembic/versions/62495c819f2b_ajout_des_modèles_de_géométries_.py Normal file
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@ -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 ###

8
main.py
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@ -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)

7
nupes/data.py
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@ -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
etag = headers.get('ETag').split('/')[-1].replace('"', '')
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

1
nupes/models/__init__.py
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@ -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

66
nupes/models/geographie.py Normal file
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@ -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")

2
nupes/scripts/import_candidats_2024.py
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@ -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:

177
nupes/scripts/import_geographie.py Normal file
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@ -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)