335 lines
15 KiB
Python
335 lines
15 KiB
Python
from wtforms import SubmitField, StringField, HiddenField, validators, Form
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from flask_wtf import FlaskForm
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from flask import request, render_template, redirect, url_for
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from main import db, app, ma
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from settings import Settings, AIModel
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from sqlalchemy import Sequence
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from sqlalchemy.exc import SQLAlchemyError
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from status import st, Status
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from flask_login import login_required, current_user
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from werkzeug.utils import secure_filename
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from shared import GenFace, GenThumb
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from face import Face, FaceRefimgLink, FaceOverrideType, FaceNoMatchOverride, FaceManualOverride
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import os
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import json
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import time
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# pylint: disable=no-member
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################################################################################
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# Class describing Refimg in DB via sqlalchemy
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# fname: original file name of refimg
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# face: actual binary of numpy data for this refimg's face (always only 1)
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# orig*: width/height of original image, because when we show in person, it get scaled
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# face_locn: location of ace - we need to know to draw green box around face locn (with orig* above)
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# thumbnail: image data of actual img. once we load refimg, we only store this data, not the orig file
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# model_used: which AI model (cnn or hog) used to create face
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# person: read-only convenience field not in DB, just used in html
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################################################################################
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class Refimg(db.Model):
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id = db.Column(db.Integer, db.Sequence('refimg_id_seq'), primary_key=True )
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fname = db.Column(db.String(256), unique=True, nullable=False)
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face = db.Column(db.LargeBinary, unique=True, nullable=False)
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orig_w = db.Column(db.Integer)
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orig_h = db.Column(db.Integer)
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face_locn = db.Column(db.String)
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thumbnail = db.Column(db.String, unique=True, nullable=False)
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created_on = db.Column(db.Float)
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model_used = db.Column(db.Integer, db.ForeignKey("ai_model.id") )
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person = db.relationship( 'Person', secondary="person_refimg_link", uselist=False, viewonly=True )
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def __repr__(self):
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return "<id: {}, fname: {}>".format(self.id, self.fname )
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################################################################################
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# Class describing Person to Refimg link in DB via sqlalchemy
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################################################################################
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class PersonRefimgLink(db.Model):
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__tablename__ = "person_refimg_link"
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person_id = db.Column(db.Integer, db.ForeignKey('person.id'), unique=True, nullable=False, primary_key=True)
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refimg_id = db.Column(db.Integer, db.ForeignKey('refimg.id'), unique=True, nullable=False, primary_key=True)
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def __repr__(self):
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return f"<person_id: {self.person_id}, refimg_id: {self.refimg_id}>"
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################################################################################
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# Class describing Person in DB via sqlalchemy
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################################################################################
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class Person(db.Model):
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id = db.Column(db.Integer, db.Sequence('person_id_seq'), primary_key=True )
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tag = db.Column(db.String(48), unique=False, nullable=False)
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surname = db.Column(db.String(48), unique=False, nullable=False)
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firstname = db.Column(db.String(48), unique=False, nullable=False)
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refimg = db.relationship('Refimg', secondary=PersonRefimgLink.__table__, order_by=Refimg.id)
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def __repr__(self):
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return "<tag: {}, firstname: {}, surname: {}, refimg: {}>".format(self.tag,self.firstname, self.surname, self.refimg)
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################################################################################
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# Helper class that inherits a .dump() method to turn class Person into json / useful in jinja2
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################################################################################
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class PersonSchema(ma.SQLAlchemyAutoSchema):
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class Meta:
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model = Person
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ordered = True
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################################################################################
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# Helper class that defines a form for person, used to make html <form>, with field validation (via wtforms)
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################################################################################
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class PersonForm(FlaskForm):
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id = HiddenField()
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tag = StringField('Tag (searchable name):', [validators.DataRequired()])
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firstname = StringField('FirstName(s):', [validators.DataRequired()])
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surname = StringField('Surname:', [validators.DataRequired()])
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save = SubmitField('Save' )
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delete = SubmitField('Delete' )
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################################################################################
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# Routes for person data
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#
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# /persons -> GET only -> prints out list of all persons
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################################################################################
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@app.route("/persons", methods=["GET"])
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@login_required
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def persons():
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persons = Person.query.order_by(Person.tag).all()
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# get the num matches for each person too, and allow link for it
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stats = list( db.session.execute( "select p.tag, count(f.id) from person p, face f, face_file_link ffl, face_refimg_link frl, person_refimg_link prl where p.id = prl.person_id and prl.refimg_id = frl.refimg_id and frl.face_id = ffl.face_id and ffl.face_id = f.id group by p.tag" ) )
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for p in persons:
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if not p.refimg:
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continue
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for s in stats:
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if p.tag == s[0]:
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p.num_matches = s[1];
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break
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return render_template("persons.html", persons=persons)
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################################################################################
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# /person -> GET/POST -> creates a new person and shows new creation
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################################################################################
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@app.route("/person", methods=["GET", "POST"])
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@login_required
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def new_person():
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form = PersonForm(request.form)
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page_title='Create new Person'
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if request.method=='POST':
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person = Person( tag=request.form["tag"], surname=request.form["surname"], firstname=request.form["firstname"] )
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try:
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db.session.add(person)
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db.session.commit()
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st.SetMessage( "Created new Person ({})".format(person.tag) )
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return redirect( url_for( 'person', id=person.id) )
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except SQLAlchemyError as e:
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st.SetMessage( f"<b>Failed to add Person:</b> {e.orig}", "danger" )
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return redirect( url_for( '/persons') )
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else:
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return render_template("person.html", person=None, form=form, page_title=page_title )
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################################################################################
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# /person/<id> -> GET/POST(save or delete) -> shows/edits/delets a single person
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################################################################################
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@app.route("/person/<id>", methods=["GET", "POST"])
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@login_required
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def person(id):
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form = PersonForm(request.form)
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page_title='Edit Person'
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if request.method == 'POST':
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try:
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person = Person.query.get(id)
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if 'delete' in request.form:
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st.SetMessage("Successfully deleted Person: ({})".format( person.tag ) )
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# do linkages by hand, or one day replace with delete cascade in the DB defintions
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db.session.execute( f"delete from face_refimg_link frl where refimg_id in ( select refimg_id from person_refimg_link where person_id = {id} )" )
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db.session.execute( f"delete from person_refimg_link where person_id = {id}" )
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db.session.execute( f"delete from refimg where id not in ( select refimg_id from person_refimg_link )" )
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# now can delete the person entry with no foreign key data left
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Person.query.filter(Person.id==id).delete()
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db.session.commit()
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return redirect( url_for( 'persons' ) )
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elif request.form and form.validate():
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new_refs=[]
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for ref_img in person.refimg:
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if "ref-img-id-{}".format(ref_img.id) in request.form:
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new_refs.append(ref_img)
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if new_refs != person.refimg:
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deld = list(set(person.refimg) - set(new_refs));
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person.refimg = new_refs
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# delete the "match" between a face found in a file and this ref img
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FaceRefimgLink.query.filter(FaceRefimgLink.refimg_id==deld[0].id).delete()
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Refimg.query.filter(Refimg.id==deld[0].id).delete()
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st.SetMessage( f"Successfully Updated Person: removed reference image {deld[0].fname}" )
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else:
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st.SetMessage("Successfully Updated Person: (From: {}, {}, {})".format(person.tag, person.firstname, person.surname) )
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person.tag = request.form['tag']
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person.surname = request.form['surname']
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person.firstname = request.form['firstname']
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st.AppendMessage(" To: ({}, {}, {})".format(person.tag, person.firstname, person.surname) )
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db.session.add(person)
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db.session.commit()
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return redirect( url_for( 'person', id=person.id) )
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except SQLAlchemyError as e:
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st.SetMessage( f"<b>Failed to modify Person:</b> {e}", "danger" )
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return redirect( url_for( 'persons' ) )
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else:
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person = Person.query.get(id)
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if not person:
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st.SetMessage( f"No such person with id: {id}", "danger" )
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return render_template("base.html" )
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for r in person.refimg:
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r.face_locn=json.loads(r.face_locn)
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form = PersonForm(request.values, obj=person)
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return render_template("person.html", person=person, form=form, page_title = page_title)
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################################################################################
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# /add_refimg -> POST(add new refimg to a person)
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################################################################################
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@app.route("/add_refimg", methods=["POST"])
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@login_required
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def add_refimg():
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# now save into the DB
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person = Person.query.get(request.form['person_id']);
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if not person:
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raise Exception("could not find person to add reference image too!")
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f=request.files['refimg_file']
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refimg = Refimg( fname=f.filename )
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try:
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# save the actual uploaded image to reference_images/
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fname=secure_filename(f.filename)
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if fname == "":
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raise Exception("invalid filename")
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fname = f"/tmp/{fname}"
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f.save( fname )
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refimg.thumbnail, refimg.orig_w, refimg.orig_h = GenThumb( fname )
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settings = Settings.query.first()
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model=AIModel.query.get(settings.default_refimg_model)
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refimg.face, face_locn = GenFace( fname, model=model.name )
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refimg.face_locn = json.dumps(face_locn)
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refimg.model_used = settings.default_refimg_model
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refimg.created_on = time.time()
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os.remove(fname)
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person.refimg.append(refimg)
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db.session.add(person)
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db.session.add(refimg)
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db.session.commit()
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st.SetMessage( f"Associated new Refimg ({refimg.fname}) with person: {person.tag}" )
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except SQLAlchemyError as e:
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st.SetMessage( f"<b>Failed to add Refimg:</b> {e.orig}", "danger" )
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except Exception as e:
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st.SetMessage( f"<b>Failed to modify Refimg:</b> {e}", "danger" )
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return redirect( url_for( 'person', id=person.id) )
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################################################################################
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# /find_persons/<who> -> POST (an arbitrary string to find a person (via
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# name/tag match)
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################################################################################
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@app.route("/find_persons/<who>", methods=["POST"])
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@login_required
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def find_persons(who):
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resp={}
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people = Person.query.filter( Person.tag.ilike(f'%{who}%') | Person.firstname.ilike(f'%{who}%') | Person.surname.ilike(f'%{who}%') ).all();
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for p in people:
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resp[p.id]={}
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resp[p.id]['id']=p.id
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resp[p.id]['tag']=p.tag
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resp[p.id]['firstname']=p.firstname
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resp[p.id]['surname']=p.surname
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return resp
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################################################################################
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# /override_force_match -> POST
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################################################################################
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@app.route("/override_force_match", methods=["POST"])
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@login_required
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def override_force_match():
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person_id = request.form['person_id']
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p = Person.query.get(person_id);
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if not p:
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raise Exception("could not find person to add override too!")
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face_id = request.form['face_id']
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f = Face.query.get(face_id);
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if not f:
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raise Exception("could not find face to add override for!")
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mo = FaceManualOverride( face_id=f.id, face=f.face, person_id=p.id )
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db.session.add( mo )
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db.session.commit()
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print( f"Placing an override match with face_id {face_id}, for person: {p.tag}" )
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# this will reply to the Ajax / POST, and cause the page to re-draw with new face override to person_tag
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resp={}
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resp['person_tag']=p.tag
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return resp
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################################################################################
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# /remove_override_force_match -> POST
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################################################################################
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@app.route("/remove_override_force_match", methods=["POST"])
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@login_required
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def remove_override_force_match():
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face_id = request.form['face_id']
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person_tag = request.form['person_tag']
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file_eid = request.form['file_eid']
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print( f"Remove override force match of face_id={face_id} to person_tag={person_tag}" )
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FaceManualOverride.query.filter( FaceManualOverride.face_id==face_id ).delete()
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db.session.commit()
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# this will reply to the Ajax / POST, and cause the page to re-draw with new face override
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resp={}
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return resp
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################################################################################
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# /remove_override_no_match -> POST
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################################################################################
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@app.route("/remove_override_no_match", methods=["POST"])
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@login_required
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def remove_override_no_match():
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face_id = request.form['face_id']
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type_id = request.form['type_id']
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print( f"Remove override of no match (type_id={type_id}) for face_id={face_id}" )
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FaceNoMatchOverride.query.filter( FaceNoMatchOverride.face_id==face_id, FaceNoMatchOverride.type_id==type_id ).delete()
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db.session.commit()
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# this will reply to the Ajax / POST, and cause the page to re-draw with new face override
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resp={}
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return resp
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################################################################################
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# /add_no_match_override -> POST
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################################################################################
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@app.route("/add_no_match_override", methods=["POST"])
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@login_required
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def add_no_match_override():
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face_id = request.form['face_id']
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f = Face.query.get(face_id);
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if not f:
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raise Exception("could not find face to add override too!")
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type_id = request.form['type_id']
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t = FaceOverrideType.query.get(type_id);
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if not t:
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raise Exception("could not find override_type to add override for!")
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nmo = FaceNoMatchOverride( face_id=f.id, face=f.face, type_id=t.id )
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db.session.add( nmo )
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db.session.commit()
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print( f"Placing an override of NO Match for face_id {face_id}" )
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# this will reply to the Ajax / POST, and cause the page to re-draw with new face override to person_tag
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resp={}
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resp['type']=t.name
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return resp
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