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- now adding observations to dataset

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- addiotonal notes for pip in notes.txt
- pip requirements.txt
This commit is contained in:
Arno Kaimbacher 2022-03-03 15:55:40 +01:00
commit f104e9e74b
4 changed files with 117 additions and 37 deletions
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74
gschliefgraben_glasfaser/models.py
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@ -38,6 +38,51 @@ def create_pg_session() -> sessionmaker:
# Base.metadata.create_all(engine)
return _session
class Platform(Base):
""" Platform class """
__tablename__ = 'platform'
__table_args__ = {"schema": "gba"}
id = Column('platform_id', Integer, primary_key=True)
identifier = Column('identifier', String)
sta_identifier = Column('sta_identifier', String)
name = Column('name', String)
# datasets = relationship('Dataset')
datasets = relationship('Dataset', back_populates="platform", lazy=True)
def __repr__(self):
return f'Platform {self.name}'
class Phenomenon(Base):
""" phenomenon class """
__tablename__ = 'phenomenon'
__table_args__ = {"schema": "gba"}
id = Column('phenomenon_id', Integer, primary_key=True)
name = Column('name', String)
sta_identifier = Column('sta_identifier', String)
# datasets = relationship('Dataset')
datasets = relationship('Dataset', back_populates="phenomenon", lazy=True)
def __repr__(self):
return f'Phenomenon {self.name}'
class Procedure(Base):
""" procedure class """
__tablename__ = 'procedure'
__table_args__ = {"schema": "gba"}
id = Column('procedure_id', Integer, primary_key=True)
name = Column('name', String)
sta_identifier = Column('sta_identifier', String)
# datasets = relationship('Dataset')
datasets = relationship('Dataset', back_populates="procedure", lazy=True)
def __repr__(self):
return f'Procedure {self.name}'
class Dataset(Base):
""" dataset class """
@ -70,8 +115,25 @@ class Dataset(Base):
# first_observation = relationship("Observation", foreign_keys=[
# fk_first_observation_id])
# observations = relationship(
# 'Observation', back_populates='dataset', lazy=True)
observations = relationship(
'Observation', back_populates='dataset', lazy=True)
fk_phenomenon_id = Column(
'fk_phenomenon_id', Integer, ForeignKey('gba.phenomenon.phenomenon_id'), nullable=False)
# phenomenon = relationship("Phenomenon", lazy="joined", foreign_keys=[fk_phenomenon_id])
phenomenon = relationship(
"Phenomenon", back_populates="datasets", lazy="joined")
fk_platform_id = Column('fk_platform_id', Integer, ForeignKey(
'gba.platform.platform_id'), nullable=True)
platform = relationship(
"Platform", back_populates="datasets", lazy="joined")
fk_procedure_id = Column('fk_procedure_id', Integer, ForeignKey(
'gba.procedure.procedure_id'), nullable=False)
# procedure = relationship("Procedure", lazy="joined")
procedure = relationship(
"Procedure", back_populates="datasets", lazy="joined")
def new_id_factory():
''' test '''
@ -108,9 +170,9 @@ class Observation(Base):
value_identifier = Column('value_identifier', String)
value_quantity = Column('value_quantity', Numeric(20, 10), nullable=False)
# fk_dataset_id = Column(Integer, ForeignKey(
# 'gba.dataset.dataset_id'), nullable=False)
# dataset = relationship("Dataset", back_populates="observations")
fk_dataset_id = Column(Integer, ForeignKey(
'gba.dataset.dataset_id'), nullable=False)
dataset = relationship("Dataset", back_populates="observations")
class ObservationSchema(SQLAlchemySchema):
@ -175,7 +237,7 @@ def create_db():
# session_maker = sessionmaker(bind=engine)
# session = session_maker()
Base.metadata.drop_all(bind=engine)
Base.metadata.create_all(engine)
# Base.metadata.create_all(engine)
if __name__ == "__main__":