130 lines
6.3 KiB
Python
130 lines
6.3 KiB
Python
""" file containing all classes to handle Face (and associated tables) from the database """
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from main import db
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from shared import PA
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################################################################################
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class Face(PA,db.Model):
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"""Class describing a Face in the database
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Attributes:
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id (int): database id of row in Face table / primary key
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face (bytes): the binary version of numpy array so we dont need to recalc it
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face_top (int): top-most pixel of face
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face_right (int): right-most pixel of face
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face_bottom (int): bottom-most pixel of face
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face_left (int): left-most pixel of face
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w (int) : width of face in pixels
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h (int) : height of face in pixels
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refimg_lnk (FaceRefimgLink): face_refimg_link data - viewOnly / just for convenience in viewer
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facefile_lnk (FaceFileLink): face_file_link data - viewOnly / just for convenience in viewer
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refimg (Refimg): link to the refimg used for this face (used in viewer). Set when there is a matched face, or None if no match
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"""
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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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face_top = db.Column( db.Integer )
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face_right = db.Column( db.Integer )
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face_bottom = db.Column( db.Integer )
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face_left = db.Column( db.Integer )
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w = db.Column( db.Integer )
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h = db.Column( db.Integer )
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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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fnmo = db.relationship("FaceNoMatchOverride", back_populates="face")
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ffmo = db.relationship("FaceForceMatchOverride", back_populates="face")
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################################################################################
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class FaceFileLink(PA, db.Model):
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"""Class describing a Face_File_Link in the database
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NOTE: this data model is not perfect, each face in the same file is always found
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with the same 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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Attributes:
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face_id (int): face id of row in Face table / foreign key - part primary key
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file_eid (int): entry id of a row in File table / foreign key - part primary key
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model_used(int): id of a row in AI_model table used to find the face / foreign key - part primary key
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"""
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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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################################################################################
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class FaceRefimgLink(PA, db.Model):
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"""Class describing a Face_Regimg_Link in the database
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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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Attributes:
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face_id (int): face id of row in Face table / foreign key - part primary key
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refimg_id (int): face id of row in Face table / foreign key - part primary key
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face_distance (float): distance value (how similar matched Face was)
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"""
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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.Float)
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################################################################################
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class FaceOverrideType(PA, db.Model):
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"""Class describing a Face_Override_Type in the database
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when a face has an override, it will be a simple list of different types
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eg (forced match, no match, not a face, etc)
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Attributes:
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id (int): database id of row in FaceOverrideType table / part primary key
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name (str): name of the type of face override
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"""
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__tablename__ = "face_override_type"
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id = db.Column(db.Integer, db.Sequence("face_override_type_id_seq"), primary_key=True )
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name = db.Column( db.String )
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################################################################################
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class FaceNoMatchOverride(PA, db.Model):
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"""Class describing a Face_No_Match_Override in the database
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used when a face does not match for some reason (type and face id connected)
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Attributes:
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id (int): database id of row in Face_No_Match_Override table / part primary key
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face_id (int): face id of row in Face table / foreign key - part primary key
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type_id (int): id of row in Face_Override_Type table / foreign key
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type (FaceOverrideType): convenience field for face override type for this face
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"""
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__tablename__ = "face_no_match_override"
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id = db.Column(db.Integer, db.Sequence("face_override_id_seq"), primary_key=True )
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face_id = db.Column(db.Integer, db.ForeignKey("face.id"), primary_key=True )
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type_id = db.Column(db.Integer, db.ForeignKey("face_override_type.id"))
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type = db.relationship("FaceOverrideType")
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face = db.relationship("Face", back_populates="fnmo")
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################################################################################
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class FaceForceMatchOverride(PA, db.Model):
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"""Class describing a Face_Force_Match_Override in the database
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used when a face is forced to match for some reason (who and face id connected)
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Attributes:
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id (int): database id of row in Face_Force_Match_Override table / part primary key
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face_id (int): face id of row in Face table / foreign key - part primary key
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person_id (int): person id of row in Person table / foreign key - part primary key
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person (Person): convenience field for Person with forced match
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"""
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__tablename__ = "face_force_match_override"
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id = db.Column(db.Integer, db.Sequence("face_override_id_seq"), primary_key=True )
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face_id = db.Column(db.Integer, db.ForeignKey("face.id"), primary_key=True )
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person_id = db.Column(db.Integer, db.ForeignKey("person.id"), primary_key=True )
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person = db.relationship("Person")
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face = db.relationship("Face", back_populates="ffmo")
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