57 lines
3.0 KiB
Python
57 lines
3.0 KiB
Python
from main import db, app, ma
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from sqlalchemy import Sequence
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from sqlalchemy.exc import SQLAlchemyError
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# pylint: disable=no-member
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################################################################################
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# Class describing Face in the database and DB via sqlalchemy
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# - face contains the binary version of numpy array so we dont need to recalc it
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# - locn is the pixel coords of the face (top, right, bottom, left)
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# - refimg_lnk and facefile_lnk are viewOnly / just for convenience in viewer
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# - refimg is a real link to the refimg used for this face (its is only used in
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# viewer, and is either set when there is a matched face, or None if no match
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################################################################################
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class Face(db.Model):
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__tablename__ = "face"
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id = db.Column(db.Integer, db.Sequence('face_id_seq'), primary_key=True )
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face = db.Column( db.LargeBinary )
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locn = db.Column( db.String )
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refimg_lnk = db.relationship("FaceRefimgLink", uselist=False, viewonly=True)
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facefile_lnk = db.relationship("FaceFileLink", uselist=False, viewonly=True)
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refimg =db.relationship("Refimg", secondary="face_refimg_link", uselist=False)
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def __repr__(self):
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return f"<id: {self.id}, face={self.face}, locn={self.locn}"
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################################################################################
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# Class describing FaceFileLink in the database and DB via sqlalchemy
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# each face comes from a file and used a model to find the face
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# this is not perfect, each face in the same file is always foudn with the same
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# model - so really should have ModelFileLink or something, in the long run
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# this might even be better as ScanDetailsFileLink and ScanDetails
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################################################################################
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class FaceFileLink(db.Model):
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__tablename__ = "face_file_link"
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face_id = db.Column(db.Integer, db.ForeignKey("face.id"), primary_key=True )
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file_eid = db.Column(db.Integer, db.ForeignKey("file.eid"), primary_key=True )
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model_used = db.Column(db.Integer, db.ForeignKey("ai_model.id"), primary_key=True )
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def __repr__(self):
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return f"<face_id: {self.face_id}, file_eid={self.file_eid}, model_used: {self.model_used}"
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################################################################################
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# Class describing FaceRefimgLink in the database and DB via sqlalchemy
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# connects / implies a face has matched a refimg and we keep the distance too
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# distance is mainly for debugging for now and shown in viewer
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################################################################################
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class FaceRefimgLink(db.Model):
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__tablename__ = "face_refimg_link"
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face_id = db.Column(db.Integer, db.ForeignKey("face.id"), primary_key=True )
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refimg_id = db.Column(db.Integer, db.ForeignKey("refimg.id"), primary_key=True )
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face_distance = db.Column(db.Integer)
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def __repr__(self):
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return f"<face_id: {self.face_id}, refimg_id={self.refimg_id}, face_distance: {self.face_distance}"
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