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app.py
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app.py
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import inspect
import json
import os
from bson import json_util
from flask import Response, request, Flask, render_template
from typing import Any, Dict
from movies import Movies
from util.flask.flask_utils import reroute_to, preconditions, form_contains
app = Flask(__name__, static_url_path='')
movies = Movies()
@app.route('/')
def index():
# type: () -> Response
return render_template('index.html')
@app.route('/movies_queries', methods=['GET', 'POST'])
def movies_queries():
# type: () -> Response
return json.dumps(movies.queries())
@app.route('/bad', methods=['GET', 'POST'])
def bad_request():
# type: () -> Response
return Response(status=400, response='') # HTTP 204 is Bad Request
@app.route('/movies', methods=['GET', 'POST'])
@preconditions(bad_request, form_contains('query'))
def query_movies():
# type: () -> Response
"""
Parse an $and query in the form of a dict[query method name, query args]
in request.form['query'] and return the result of the mongo query.
:return: jsonified Cursor from movies collection in Mongo DB
"""
query = json.loads(request.form['query']) # type: Dict[str, Any]
print(query)
for query_name, query_args in query.viewitems():
query_func = getattr(movies, query_name, None)
if query_func is None \
or not hasattr(query_func, 'is_query')\
or not isinstance(query_args, list)\
or len(query_args) != len(inspect.getargspec(query_func).args) - 1:
return reroute_to(bad_request)
for query_name, query_args in query.viewitems():
getattr(movies, query_name)(*query_args)
return json_util.dumps(movies.fetch())
if __name__ == '__main__':
reload_movies = True
if reload_movies:
movies.drop()
movies.import_json_file()
app.secret_key = os.urandom(32)
app.run(debug=True)