ED_LRR/ed_lrr_gui/web/__main__.py

87 lines
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2.9 KiB
Python

from flask import Flask,jsonify
import uuid
import json
from webargs import fields,validate
from webargs.flaskparser import use_args
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy_utils import Timestamp,generic_repr
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import scoped_session, sessionmaker, relationship, backref
from sqlalchemy.types import Float,String,Boolean
app=Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///jobs.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db=SQLAlchemy(app)
@generic_repr
class Job(db.Model,Timestamp):
id = db.Column(db.String,default=lambda :str(uuid.uuid4()),primary_key=True)
jump_range = db.Column(db.Float,nullable=False)
mode = db.Column(db.String,default="bfs")
systems = db.Column(db.String)
permute= db.Column(db.String,default=None,nullable=True)
primary= db.Column(db.Boolean,default=False)
factor = db.Column(db.Float,default=0.5)
done = db.Column(db.DateTime,nullable=True,default=None)
started = db.Column(db.DateTime,nullable=True,default=None)
progress = db.Column(db.Float,default=0.0)
#============================================================
@classmethod
def new(cls,**kwargs):
obj=cls(**kwargs)
db.session.add(obj)
db.session.commit()
print(obj)
return obj
@property
def dict(self):
ret={}
for col in self.__table__.columns:
ret[col.name]=getattr(self,col.name)
ret['systems']=json.loads(ret['systems'])
return ret
@dict.setter
def set_dict(self,*args,**kwargs):
raise NotImplementedError
db.create_all()
db.session.commit()
@app.errorhandler(422)
@app.errorhandler(400)
def handle_error(err):
headers = err.data.get("headers", None)
messages = err.data.get("messages", ["Invalid request."])
if headers:
return jsonify({"errors": messages}), err.code, headers
else:
return jsonify({"errors": messages}), err.code
@app.route("/route",methods=["GET","POST"])
@use_args({
"jump_range":fields.Float(required=True),
"mode": fields.String(missing="bfs",validate=validate.OneOf(["bfs","greedy","a-star"])),
"systems": fields.DelimitedList(fields.String,required=True),
"permute": fields.String(missing=None,validate=validate.OneOf(["all", "keep_first", "keep_last", "keep_both"])),
"primary": fields.Boolean(missing=False),
"factor": fields.Float(missing=0.5)
})
def route(args):
args['systems']=json.dumps(args['systems'])
for k,v in args.items():
print(k,v)
return jsonify({'id':Job.new(**args).id})
@app.route("/status/<uuid:job_id>")
def status(job_id):
job=db.session.query(Job).get_or_404(str(job_id))
return jsonify(job.dict)
if __name__=="__main__":
app.run(host="0.0.0.0",port=3777,debug=True)