2019-10-23 10:56:28 +02:00
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import logging
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from sqlalchemy.ext.declarative import declarative_base
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2019-10-31 14:35:24 +01:00
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from sqlalchemy import Column, Integer, String, DateTime, Float
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2019-10-23 10:56:28 +02:00
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from sqlalchemy.orm import relationship
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from sqlalchemy.sql.schema import ForeignKey, Sequence
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from sqlalchemy.engine import create_engine
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2020-01-22 14:36:52 +01:00
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from sqlalchemy.orm.session import sessionmaker, object_session
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2019-10-23 10:56:28 +02:00
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import datetime
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from contextlib import contextmanager
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import uuid
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import os
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2020-01-22 14:36:52 +01:00
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import country_converter
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2019-10-23 10:56:28 +02:00
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mainLogger = logging.getLogger("sorteerhoed")
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logger = mainLogger.getChild("store")
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Base = declarative_base()
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2020-01-22 14:36:52 +01:00
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cc = country_converter.CountryConverter()
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2019-10-23 10:56:28 +02:00
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"""
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HIT lifetime:
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created
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accepted
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(returned!)
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working
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awaiting amazon confirmation (submitted on page)
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submitted
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Actions:
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creating Hit (creating hit with scanned image)
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2020-01-10 18:03:18 +01:00
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Scanning
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2019-10-23 10:56:28 +02:00
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"""
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class HIT(Base):
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__tablename__ = 'hits'
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id = Column(Integer, Sequence('hit_id'), primary_key=True) # our sequential hit id
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hit_id = Column(String(255)) # amazon's hit id
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2019-10-30 12:44:25 +01:00
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created_at = Column(DateTime, default=datetime.datetime.utcnow)
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updated_at = Column(DateTime, default=datetime.datetime.utcnow)
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scanned_at = Column(DateTime, default=None)
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2020-01-13 13:49:59 +01:00
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plotted_at = Column(DateTime, default=None)
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2020-01-10 18:03:18 +01:00
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deleted_at = Column(DateTime, default=None)
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assignments = relationship("Assignment", back_populates="hit", order_by="Assignment.created_at")
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2019-10-31 14:35:24 +01:00
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fee = Column(Float(precision=2), default=None)
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2020-01-10 18:03:18 +01:00
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# previous hit so we can load the corrent image
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# previous_hit_id = Column(Integer, ForeignKey('hits.id'), default=None)
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# previous_hit = relationship("HIT")
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2019-10-23 22:33:37 +02:00
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def getImagePath(self):
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2019-12-18 18:49:07 +01:00
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return os.path.join('scanimation/interfaces/frames', f"{self.id:06d}.jpg")
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2020-01-13 13:49:59 +01:00
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def getImageUrl(self):
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return os.path.join('/frames', f"{self.id:06d}.jpg")
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2020-01-10 18:03:18 +01:00
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2019-11-02 18:09:21 +01:00
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def getSvgImageUrl(self):
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2020-01-13 16:13:42 +01:00
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return f"/scans/{self.id:06d}.svg"
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2020-01-10 18:03:18 +01:00
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2019-11-02 20:45:57 +01:00
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def getSvgImagePath(self):
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2020-01-13 16:13:42 +01:00
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# os.path.join on svgImageUrl leads to invalid absolute url
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return os.path.join(f'www/scans/{self.id:06d}.svg')
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2019-10-23 10:56:28 +02:00
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2020-01-10 18:03:18 +01:00
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def getLastAssignment(self):
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if not len(self.assignments):
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return None
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return self.assignments[-1]
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def getAssignmentById(self, assignmentId):
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for a in self.assignments:
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if a.assignment_id == assignmentId:
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2020-01-13 13:49:59 +01:00
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return a
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return None
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2020-01-10 18:03:18 +01:00
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2019-10-30 12:44:25 +01:00
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def getStatus(self):
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2020-01-13 13:49:59 +01:00
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assignment = self.getLastAssignment()
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if self.deleted_at:
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return "deleted"
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if not self.hit_id:
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return "creating"
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if not assignment:
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return "awaiting worker"
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2019-10-30 12:44:25 +01:00
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if self.scanned_at:
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2020-01-13 13:49:59 +01:00
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return "scanned"
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return assignment.getStatus()
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def toDict(self) -> dict:
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values = {c.name: getattr(self, c.name) for c in self.__table__.columns}
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assignment = self.getLastAssignment()
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values['assignment'] = assignment.toDict() if assignment else None
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values['state'] = self.getStatus()
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values['scan_image'] = self.getImageUrl() if self.scanned_at else None
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values['svg_image'] = self.getSvgImageUrl() if self.isSubmitted() else None
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2020-01-22 14:36:52 +01:00
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values['preceding_assignments'] = [a.toShortDict() for a in self.getBasedOnAssignments()]
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values['preceding_assignments'].append({
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'worker_id': 'Ruben van de Ven & Merijn van Moll',
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'turk_country': 'the Netherlands',
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'turk_country_code': 'NL'
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})
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2020-01-13 13:49:59 +01:00
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return values
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def delete(self):
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self.deleted_at = datetime.datetime.utcnow()
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def isSubmitted(self) -> bool:
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a = self.getLastAssignment()
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if not a:
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return False
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return bool(a.submit_page_at)
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def isConfirmed(self) -> bool:
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a = self.getLastAssignment()
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if not a:
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return False
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return bool(a.confirmed_at)
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2020-01-22 14:36:52 +01:00
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def getBasedOnAssignments(self):
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"""
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Get preceding assignments, one per worker, excluding the one who did this HIT
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"""
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assignment = self.getLastAssignment()
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session = object_session(self)
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q = session.query(Assignment).\
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filter(Assignment.submit_page_at < self.created_at).\
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group_by(Assignment.worker_id).\
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order_by(Assignment.created_at.desc())
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if assignment and assignment.worker_id:
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q = q.filter(Assignment.worker_id != assignment.worker_id)
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return q
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2019-10-30 12:44:25 +01:00
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2020-01-10 18:03:18 +01:00
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class Assignment(Base):
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__tablename__ = 'assignments'
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id = Column(Integer, Sequence('assignment_id'), primary_key=True) # our sequential hit id
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assignment_id = Column(String(255)) # amazon's assignment id
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hit_id = Column(Integer, ForeignKey('hits.id')) # our sequential hit id
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hit = relationship("HIT", back_populates="assignments")
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uuid = Column(String(32), default=lambda : uuid.uuid4().hex)
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created_at = Column(DateTime, default=datetime.datetime.utcnow)
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updated_at = Column(DateTime, default=datetime.datetime.utcnow)
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assignment_id = Column(String(255), default = None)
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worker_id = Column(String(255), default = None)
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2020-01-13 13:49:59 +01:00
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accept_at = Column(DateTime, default=None) # accept time acccording to SQS
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2020-01-10 18:03:18 +01:00
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# open_page_at = Column(DateTime, default=None)
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submit_page_at = Column(DateTime, default=None) # Submit the page
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confirmed_at = Column(DateTime, default=None) # validate with UUID when getting Message from Amazon
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abandoned_at = Column(DateTime, default=None)
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rejected_at = Column(DateTime, default=None)
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answer = Column(String(255), default=None)
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turk_ip = Column(String(255), default=None)
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turk_country = Column(String(255), default=None)
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2020-01-13 13:49:59 +01:00
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turk_os = Column(String(255), default=None)
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turk_browser = Column(String(255), default=None)
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def getStatus(self):
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if self.rejected_at:
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return "rejected"
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if self.abandoned_at:
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return "abandoned"
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if not self.submit_page_at:
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return "working"
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if not self.confirmed_at:
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return "submitted"
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return "confirmed"
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def toDict(self) -> dict:
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values = {c.name: getattr(self, c.name) for c in self.__table__.columns}
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2020-01-22 14:36:52 +01:00
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if self.turk_country:
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values['turk_country_code'] = cc.convert([self.turk_country], to='ISO2')
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else:
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values['turk_country_code'] = None
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return values
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def toShortDict(self) -> dict:
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values = {
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'worker_id': self.worker_id,
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'turk_country': self.turk_country
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}
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if self.turk_country:
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values['turk_country_code'] = cc.convert([self.turk_country], to='ISO2')
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else:
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values['turk_country_code'] = None
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2020-01-13 13:49:59 +01:00
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return values
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2019-10-23 10:56:28 +02:00
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class Store:
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def __init__(self, db_filename, logLevel=0):
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path = os.path.abspath(db_filename)
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if logLevel <= logging.DEBUG:
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logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
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2020-01-10 18:03:18 +01:00
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2020-01-22 14:36:52 +01:00
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needsInitialization = not os.path.exists(path)
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2019-10-23 22:33:37 +02:00
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self.engine = create_engine('sqlite:///'+path, echo=False, connect_args={'check_same_thread': False})
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2019-10-23 10:56:28 +02:00
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Base.metadata.create_all(self.engine)
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self.Session = sessionmaker(bind=self.engine)
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2019-10-23 22:33:37 +02:00
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self.session = self.Session()
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2020-01-10 18:03:18 +01:00
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2019-11-01 17:02:38 +01:00
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self.currentHit = None # mirrors Centralmanagmenet, stored here so we can quickly access it from webserver classes
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2020-01-13 13:49:59 +01:00
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self.updateHooks = []
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2020-01-22 14:36:52 +01:00
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# if needsInitialization:
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# self.insertInitialContent()
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#
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# def insertInitialContent(self):
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# hit = self.createHIT()
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# assignment = self.newAssignment(hit, 'initial')
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#
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2020-01-13 13:49:59 +01:00
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def registerUpdateHook(self, hook):
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if hook not in self.updateHooks:
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logger.info(f"Register update hook: {hook}")
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self.updateHooks.append(hook)
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def triggerUpdateHooks(self, hit = None):
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for hook in self.updateHooks:
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if callable(hook): # it's a method
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hook(hit)
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else: # assume it's an object
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hook.update(hit)
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2020-01-10 18:03:18 +01:00
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2019-10-23 10:56:28 +02:00
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@contextmanager
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def getSession(self):
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"""Provide a transactional scope around a series of operations."""
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try:
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2019-10-23 22:33:37 +02:00
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yield self.session
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self.session.commit()
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2019-10-23 10:56:28 +02:00
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except:
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2019-10-23 22:33:37 +02:00
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self.session.rollback()
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2019-10-23 10:56:28 +02:00
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raise
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2020-01-10 18:03:18 +01:00
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2020-01-13 13:49:59 +01:00
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def getHits(self):
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return self.session.query(HIT).order_by(HIT.created_at.desc())
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2020-01-10 18:03:18 +01:00
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2019-10-23 22:33:37 +02:00
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def getHitById(self, hitId):
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return self.session.query(HIT).\
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filter(HIT.id==hitId).one()
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2020-01-10 18:03:18 +01:00
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2019-10-23 22:33:37 +02:00
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def getHitByRemoteId(self, amazonHitId):
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return self.session.query(HIT).\
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filter(HIT.hit_id==amazonHitId).one()
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2020-01-10 18:03:18 +01:00
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2019-10-23 22:33:37 +02:00
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def getLastSubmittedHit(self):
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return self.session.query(HIT).\
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2020-01-13 13:49:59 +01:00
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join(Assignment).\
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filter(Assignment.submit_page_at!=None).\
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order_by(HIT.created_at.desc()).first()
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def getNewestHits(self, n = 2) -> list:
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q = self.session.query(HIT).\
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2020-01-13 13:49:59 +01:00
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filter(HIT.deleted_at==None).\
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2020-01-22 14:36:52 +01:00
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order_by(HIT.created_at.desc())
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if n is not None:
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q = q.limit(n)
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hits = list(q)
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2020-01-13 13:49:59 +01:00
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# select DESC, because we want latest, then reverse list to get in right order
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hits.reverse()
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return hits
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2020-01-10 18:03:18 +01:00
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def createHIT(self) -> HIT:
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2019-10-23 22:33:37 +02:00
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with self.getSession() as s:
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hit = HIT()
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s.add(hit)
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s.flush()
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s.refresh(hit)
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logger.info(f"Created HIT {hit.id}")
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2020-01-13 13:49:59 +01:00
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self.triggerUpdateHooks(hit)
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2019-10-23 22:33:37 +02:00
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return hit
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2020-01-10 18:03:18 +01:00
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2020-01-13 13:49:59 +01:00
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def newAssignment(self, hit: HIT, assignmentId) -> Assignment:
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# TODO: reset() central management if has pending lastAssignment()
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2020-01-10 18:03:18 +01:00
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with self.getSession() as s:
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assignment = Assignment()
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assignment.assignment_id = assignmentId
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2020-01-10 18:03:18 +01:00
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hit.assignments.append(assignment)
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s.add(assignment)
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s.flush()
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s.refresh(hit)
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logger.info(f"Created Assignment {assignment.id}")
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2020-01-13 13:49:59 +01:00
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self.triggerUpdateHooks(hit)
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2020-01-10 18:03:18 +01:00
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return assignment
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2019-10-23 22:33:37 +02:00
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def saveHIT(self, hit):
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with self.getSession() as s:
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logger.info(f"Updating hit! {hit.id}")
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# s.flush()
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2020-01-13 13:49:59 +01:00
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self.triggerUpdateHooks(hit)
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2020-01-10 18:03:18 +01:00
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2020-01-13 13:49:59 +01:00
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def saveAssignment(self, assignment):
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2019-10-23 10:56:28 +02:00
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with self.getSession() as s:
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2020-01-13 13:49:59 +01:00
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logger.info(f"Updating assignment! {assignment.id}")
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# s.flush()
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self.triggerUpdateHooks(assignment.hit)
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# def addHIT(self, hit: HIT):
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# with self.getSession() as s:
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# s.add(hit)
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|
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# s.flush()
|
|
|
|
# s.refresh(hit)
|
|
|
|
# logger.info(f"Added {hit.id}")
|
2020-01-10 18:03:18 +01:00
|
|
|
|
2019-10-30 12:44:25 +01:00
|
|
|
def getAvgDurationOfPreviousNHits(self, n) -> int:
|
2020-01-13 13:49:59 +01:00
|
|
|
latest_assignments = self.session.query(Assignment).\
|
|
|
|
filter(Assignment.created_at!=None).\
|
|
|
|
filter(Assignment.submit_page_at!=None).\
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|
|
|
order_by(Assignment.created_at.desc()).limit(n)
|
2019-10-30 12:44:25 +01:00
|
|
|
durations = []
|
2020-01-13 13:49:59 +01:00
|
|
|
|
|
|
|
for assignment in latest_assignments:
|
|
|
|
durations.append((assignment.submit_page_at - assignment.created_at).total_seconds())
|
2019-10-30 12:44:25 +01:00
|
|
|
if not len(durations):
|
2020-01-13 13:49:59 +01:00
|
|
|
return int(2.5*60) # default to 2.5 minutes
|
2019-10-30 12:44:25 +01:00
|
|
|
return int(sum(durations) / len(durations))
|
2020-01-10 18:03:18 +01:00
|
|
|
|
2019-11-02 20:45:57 +01:00
|
|
|
def getEstimatedHitDuration(self):
|
|
|
|
return self.getAvgDurationOfPreviousNHits(5)
|
2020-01-10 18:03:18 +01:00
|
|
|
|
2019-11-02 22:31:16 +01:00
|
|
|
def getHitTimeout(self):
|
2019-11-04 10:48:05 +01:00
|
|
|
return 160 # max(160, self.getAvgDurationOfPreviousNHits(5)*2)
|
2020-01-10 18:03:18 +01:00
|
|
|
|
2019-10-31 14:35:24 +01:00
|
|
|
def getHITs(self, n = 100):
|
|
|
|
return self.session.query(HIT).\
|
|
|
|
filter(HIT.submit_hit_at != None).\
|
|
|
|
order_by(HIT.submit_hit_at.desc()).limit(n)
|
2020-01-22 14:36:52 +01:00
|
|
|
|