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543 lines
16 KiB
543 lines
16 KiB
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import cgi |
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from dataclasses import dataclass, field |
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from datetime import date, datetime |
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from enum import IntEnum |
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import json |
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import logging |
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import os |
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from pathlib import Path |
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import re |
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from sqlite3 import DatabaseError |
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import ssl |
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import tmdbv3api |
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from typing import Any, Dict, List |
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# TODO: might as well replace urllib with requests library since it's a dep of tmdbv3api anyway |
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from urllib.error import URLError, HTTPError |
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import urllib.parse |
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import urllib.request |
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from flask import Blueprint, current_app, flash, Flask, jsonify, make_response, request, \ |
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redirect, render_template, Response, url_for |
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from guessit import guessit |
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from .. import util |
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from .. import db |
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from . import tv_shows |
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#################### |
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# constants |
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TMDB_API_URL = 'https://api.themoviedb.org' |
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TMDB_SEARCH_MOVIE = '/3/search/movie' |
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TMDB_SEARCH_TV = '/3/search/tv' |
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TMDB_MOVIE_LINK_URL = 'https://www.themoviedb.org/movie/' |
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TMDB_TV_LINK_URL = 'https://www.themoviedb.org/tv/' |
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TMDB_POSTER_PREFIX = 'https://image.tmdb.org/t/p/w154' |
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VALID_IMAGE_EXTENSIONS = ('.jpg', '.png', '.svg') |
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DEFAULT_POSTER_IMAGE = 'no_poster_w154.jpg' |
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LOCAL_POSTER_PATH = 'image_cache' |
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#################### |
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# globals |
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bp = Blueprint('tmdb', __name__, url_prefix='/tmdb') |
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#################### |
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# data structures |
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class media_type(IntEnum): |
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UNKNOWN = 0 |
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MOVIE = 1 |
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TV_SHOW = 2 |
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@dataclass |
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class query_data: |
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errors: List[str] = field(default_factory=list) |
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is_valid:bool = True |
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raw_query_str:str = '' |
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parsed_query_str:str = '' |
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title:str = '' |
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media_type:media_type = media_type.UNKNOWN |
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rel_path:str = '' |
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query_params:str = '' |
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full_url:str = '' |
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movie_year:int = 0 |
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tv_season:str = '' |
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tv_episode:str = '' |
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@dataclass |
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class response_data: |
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errors: List[str] = field(default_factory=list) |
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parsed_response: Any = field(default_factory=object) |
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response_body: str = '' |
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response_headers: List[str] = field(default_factory=list) |
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response_status: int = 0 |
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result_count: int = 0 |
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@dataclass |
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class view_result: |
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detail_id:int = 0 |
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media_type:media_type = media_type.UNKNOWN |
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movie_id:int = 0 |
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tv_id:int = 0 |
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title:str = '' |
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release_date:str = '' |
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overview:str = '' |
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genre_ids:List[int] = field(default_factory=list) |
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original_language:str = '' |
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poster_path:str = '' |
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tmdb_link:str = '' |
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# TODO: flask 1.1 adds support for JSON encoding dataclasses |
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# https://palletsprojects.com/blog/flask-1-1-released/ |
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# add flask 1.1 to requirements when alpine distro updates flask |
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# NOTE: haven't found a better way to json encode dataclasses :( |
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class result_encoder(json.JSONEncoder): |
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def default(self, obj): |
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if isinstance(obj, view_result): |
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return obj.__dict__ |
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if isinstance(obj, date): |
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return obj.isoformat() |
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if isinstance(obj, datetime): |
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return obj.isoformat() |
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try: |
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ret = json.JSONEncoder.default(self, obj) |
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except TypeError: |
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return '' |
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return ret |
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#################### |
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# flask routes |
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@bp.route('/list_movie_test') |
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@bp.route('/list_movie_test/<string:sorting>') |
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def list_movie_test(sorting = 'title'): |
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if sorting == 'add-date': |
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orderby = 'pc.add_date' |
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elif sorting == 'add-date-desc': |
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orderby = 'pc.add_date DESC' |
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elif sorting == 'release-date': |
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orderby = 'md.release_date' |
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elif sorting == 'release-date-desc': |
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orderby = 'md.release_date DESC' |
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else: |
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orderby = 'md.title' |
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# TODO: order by genres, unwatched folder... |
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conn = db.get_db() |
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cur = conn.cursor() |
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view_results = [] |
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query = f'''SELECT |
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md.*, pc.path |
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FROM |
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query_details md |
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JOIN path_cache pc ON pc.detail_id=md.detail_id |
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ORDER BY |
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{orderby}''' |
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# TODO: should probably loop on movie_id, and add a list of paths because |
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# there can be multiple paths associated with a movie_id |
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for row in cur.execute(query): |
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vr = buildViewResult(row) |
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vr.rel_path = row['path'] |
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view_results.append(vr) |
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return render_template('tmdb/list_movie_test.html', |
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view_results = view_results, |
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url_prefix = current_app.config['VIDEO_URL_PREFIX'] |
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) |
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@bp.route('/tv_show_test', methods=['GET', ]) |
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def tv_show_test(): |
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shows = [] |
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errors = [] |
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if 'query' in request.args: |
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result = tv_shows.doTVQuery(request.args['query']) |
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shows = result['shows'] |
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errors = result['errors'] |
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if (shows): |
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pass |
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return render_template('tmdb/tv_show_test.html', |
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shows = shows, |
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debug_str = f'{util.dumpObject(errors)}' |
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) |
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@bp.route('/manual_query', methods=['GET', 'POST']) |
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def manual_query(): |
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query = query_data() |
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view_results = [] |
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errors = [] |
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flash('boo') |
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if 'query' in request.form: |
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query.raw_query_str = request.form['query'] |
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q_res = doQueryAlgorithm(query) |
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errors = q_res['errors'] |
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view_results = q_res['results'] |
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if errors: |
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view_results.clear() |
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flash(errors) |
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for e in errors: |
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current_app.logger.error(e) |
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return render_template( |
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'tmdb/query.html', |
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view_data = view_results, |
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debug_str = f'{util.dumpObject(query)} \n {util.dumpObject(view_results)} \n' |
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) |
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@bp.route('/query_media_json') |
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def query_media_json(): |
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query = query_data() |
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results = [] |
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if 'query' in request.args and 'rel_path' in request.args: |
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query.raw_query_str = request.args['query'] |
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query.rel_path = request.args['rel_path'] |
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q_res = doQueryAlgorithm(query) |
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errors = q_res['errors'] |
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results = q_res['results'] |
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current_app.logger.debug(f'results length: {len(results)}') |
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else: |
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errors = ['required parameters: query, rel_path'] |
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if errors: |
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for e in errors: |
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current_app.logger.error(e) |
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return jsonify(errors=errors) |
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res = Response(json.dumps(results, cls=result_encoder)) |
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res.headers.set('Content-Type', 'application/json') |
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return res |
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@bp.route('/query_path_json') |
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def query_path_json(): |
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errors = [] |
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if not 'rel_path' in request.args: |
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errors.append(f'required parameters: rel_path') |
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else: |
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path = request.args['rel_path'] |
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cur = db.get_db().cursor() |
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q = f'''SELECT |
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qd.*, pc.* |
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FROM |
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path_cache pc |
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JOIN query_details qd ON qd.detail_id = pc.detail_id |
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WHERE |
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pc.path = ? |
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LIMIT 1''' |
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cur.execute(q, (path, )) |
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row = cur.fetchone() |
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if errors: |
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for e in errors: |
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current_app.logger.error(e) |
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res = Response(json.dumps(buildViewResult(row), cls=result_encoder)) |
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res.headers.set('Content-Type', 'application/json') |
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return res |
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@bp.route('/create_path_mapping', methods=['POST']) |
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def create_path_mapping(): |
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message = '' |
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errors = [] |
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if not ('rel_path' in request.form |
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and 'detail_id' in request.form |
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): |
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errors.append(f'required parameters: rel_path, id') |
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elif request.form['rel_path'] is '': |
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errors.append('rel_path is empty') |
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elif request.form['detail_id'] is '0': |
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errors.append('detail_id is unset') |
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else: |
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detail_id = request.form['detail_id'] |
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rel_path = request.form['rel_path'] |
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conn = db.get_db() |
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cur = conn.cursor() |
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current_app.logger.debug(f'mapping path "{rel_path}" for detail_id: {detail_id}') |
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try: |
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cur.execute(f'INSERT INTO path_cache(detail_id, path, add_date) ' |
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f'VALUES(?,?, datetime())', |
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(detail_id, rel_path )) |
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except DatabaseError as e: |
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errors.append(str(e)) |
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if len(errors) == 0: |
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conn.commit() |
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message = f'Successfully added mapping for path "{rel_path}"' |
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if errors: |
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for e in errors: |
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current_app.logger.error(e) |
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return jsonify({'errors':errors, 'message':message}) |
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@bp.route('/images') |
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@bp.route('/images/<string:image_name>') |
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def cache_image(image_name:str = ''): |
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# validate image name |
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if (image_name == '' |
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or re.search(r'[^ a-zA-z0-9./]', image_name) |
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or not Path(image_name).suffix in VALID_IMAGE_EXTENSIONS): |
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current_app.logger.error(f'invalid image name: {image_name}') |
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return redirect(url_for('static', filename=DEFAULT_POSTER_IMAGE)) |
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# look for image in cache folder |
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local_dir = Path(current_app.instance_path).joinpath(LOCAL_POSTER_PATH) |
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image = Path(image_name).name |
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p = local_dir.joinpath(image) |
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current_app.logger.debug(f'checking for local path: {p}') |
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if not p.exists(): |
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# make request for remote image |
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response = util.URLResponse |
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if util.getURL(f'{TMDB_POSTER_PREFIX}/{image}', response, current_app.logger): |
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# store remote image |
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current_app.logger.debug(f'content-type for {image}: {response.content_type}') |
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try: |
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fp = open(p, 'wb') |
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fp.write(response.body) |
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fp.close() |
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except OSError as e: |
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current_app.logger.error(e) |
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return redirect(url_for('static', filename=DEFAULT_POSTER_IMAGE)) |
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# redirect to saved image |
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try: |
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fp = open(p, 'rb') |
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image_bytes = fp.read() |
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except OSError as e: |
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current_app.logger.error(e) |
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return redirect(url_for('static', filename=DEFAULT_POSTER_IMAGE)) |
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def getCType(s): |
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if s is '.jpg': |
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return 'image/jpeg' |
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elif s is '.png': |
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return 'image/png' |
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elif s is '.svg': |
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return 'image/svg+xml' |
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return make_response(tuple([image_bytes, {'Content-Type': getCType(p.suffix)} ])) |
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################### |
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# helpers |
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def doQueryAlgorithm(query:query_data) -> dict: |
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errors, view_results = [], [] |
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query = guessMedia(query) |
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if query.is_valid: |
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if isQueryCached(query.parsed_query_str, query.movie_year): |
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view_results = makeLocalQuery(query) |
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current_app.logger.debug(f'view_results length: {len(view_results)}') |
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else: |
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tmdb = tmdbv3api.TMDb() |
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tmdb.api_key = current_app.config['TMDB_API_KEY'] |
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res = [] |
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if query.media_type == media_type.MOVIE: |
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movie = tmdbv3api.Movie() |
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res = movie.search(query.parsed_query_str) |
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elif query.media_type == media_type.TV_SHOW: |
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tv = tmdbv3api.TV() |
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res = tv.search(query.parsed_query_str) |
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# TODO: it's possible for the query results to span multiple 'pages' |
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# see) https://developers.themoviedb.org/3/search/search-movies |
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for r in res: |
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vr = view_result() |
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vr.overview = r.overview |
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vr.genre_ids = r.genre_ids |
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vr.original_language = r.original_language |
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vr.poster_path = r.poster_path |
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vr.media_type = query.media_type |
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if query.media_type == media_type.MOVIE: |
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vr.title = r.title |
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vr.movie_id = r.id |
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vr.tmdb_link = TMDB_MOVIE_LINK_URL + str(r.id) |
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vr.release_date = r.release_date |
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elif query.media_type == media_type.TV_SHOW: |
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vr.title = r.name |
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vr.tv_id = r.id |
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vr.tmdb_link = TMDB_TV_LINK_URL + str(r.id) |
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vr.release_date = r.first_air_date |
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view_results.append(vr) |
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storeTMDBQueryResults(query, view_results) |
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errors.extend(query.errors) |
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return {'errors': errors, 'results': view_results} |
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def guessMedia(query:query_data) -> query_data: |
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# NOTE: don't log debug messages for rebulk, which are excessive |
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logging.disable(logging.DEBUG) |
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guess = guessit(query.raw_query_str) |
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logging.disable(logging.NOTSET) |
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query.title = guess['title'] |
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query.parsed_query_str = guess['title'].lower() |
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try: |
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if guess['type'] == 'movie': |
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query.media_type = media_type.MOVIE |
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query.movie_year = guess['year'] |
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else: # NOTE: 'type' has to be 'episode' here. guessit has no 'unknown' equivalent |
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query.media_type = media_type.TV_SHOW |
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query.tv_season = guess['season'] |
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query.tv_episode = guess['episode'] |
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except KeyError as e: |
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query.is_valid = False |
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current_app.logger.error(f'invalid key: {e}, for query: {query.raw_query_str}') |
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return query |
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def isQueryCached(query_str:str, year) -> bool: |
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conn = db.get_db() |
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cur = conn.cursor() |
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cur.execute('SELECT COUNT(*) FROM query_cache WHERE query=? AND year=?', (query_str, year)) |
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count = cur.fetchone()[0] |
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current_app.logger.debug(f'query_cache count: {count}, query: "{query_str}", year: {year}') |
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return (count > 0) |
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def getIDColumn(mediaType:int) -> str: |
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if int(mediaType) == media_type.MOVIE: |
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return 'movie_id' |
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elif int(mediaType) == media_type.TV_SHOW: |
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return 'tv_id' |
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return 'unknown' |
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# NOTE: returns list of 'view_result' objects that match the query_obj.parsed_query_str |
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# stored in the local db cache |
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def makeLocalQuery(query_obj): |
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conn = db.get_db() |
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cur = conn.cursor() |
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results = [] |
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id_column = getIDColumn(query_obj.media_type) |
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query = f'''SELECT |
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qd.* |
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FROM |
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query_cache qc |
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JOIN query_mapping map ON qc.query_id = map.query_id |
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JOIN query_details qd ON qd.detail_id = map.detail_id |
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WHERE |
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qc.query = ?''' |
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for row in cur.execute(query, (query_obj.parsed_query_str, )): |
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results.append(buildViewResult(row)) |
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return results |
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def buildViewResult(db_row): |
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if not db_row: |
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current_app.logger.error('empty db_row parameter') |
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return None |
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vr = view_result() |
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vr.detail_id = db_row['detail_id'] |
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vr.media_type = db_row['media_type'] |
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vr.title = db_row['title'] |
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vr.overview = db_row['overview'] |
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vr.release_date = db_row['release_date'] |
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vr.original_language = db_row['original_language'] |
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if vr.media_type == media_type.MOVIE: |
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vr.movie_id = db_row['movie_id'] |
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vr.tmdb_link = f'{TMDB_MOVIE_LINK_URL}{vr.movie_id}' |
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elif vr.media_type == media_type.TV_SHOW: |
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vr.tv_id = db_row['tv_id'] |
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vr.tmdb_link = f'{TMDB_TV_LINK_URL}{vr.tv_id}' |
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if db_row['poster_path'] != None: |
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vr.poster_path = db_row['poster_path'] |
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return vr |
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def storeTMDBQueryResults(query_obj, result_list): |
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conn = db.get_db() |
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cur = conn.cursor() |
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query_id = 0 |
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current_app.logger.debug(f'adding query string ' |
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f'"{query_obj.parsed_query_str}" into local cache') |
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try: |
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cur.execute('BEGIN TRANSACTION') |
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cur.execute('INSERT INTO query_cache(query, year) VALUES (?, ?)', |
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(query_obj.parsed_query_str, query_obj.movie_year) |
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) |
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query_id = cur.lastrowid |
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except DatabaseError as e: |
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query_obj.errors.append(e) |
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|
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for r in result_list: |
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id_column = getIDColumn(r.media_type) |
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id_val = r.movie_id if (r.media_type == media_type.MOVIE) else r.tv_id |
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# NOTE: check stored details before trying to add to local db to avoid unique key |
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# constraint error |
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cur.execute(f'SELECT COUNT(*) FROM query_details WHERE {id_column}=?', (id_val, )) |
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count = cur.fetchone()[0] |
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if count > 0: |
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current_app.logger.debug( |
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f'skipping result that is already saved. {id_column}: {id_val}, title: {r.title}' |
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) |
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break |
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|
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try: |
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current_app.logger.debug(f'adding query details for "{r.title}"') |
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cur.execute(f'INSERT INTO query_details({id_column}, ' |
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+ 'media_type, title, overview, release_date, original_language, poster_path)' |
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+ ' VALUES (?,?,?,?,?,?,?)', |
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(id_val, r.media_type, r.title, r.overview, r.release_date, |
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r.original_language, r.poster_path) |
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) |
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|
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# NOTE: need to set detail_id here to avoid a second query in create_path_mapping |
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r.detail_id = cur.lastrowid |
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cur.execute(f'INSERT INTO query_mapping(query_id, detail_id)' |
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+ ' VALUES (?,?)', (query_id, cur.lastrowid) |
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) |
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except DatabaseError as e: |
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query_obj.errors.append(f'database error \'{e}\'') |
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|
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if len(query_obj.errors) == 0: |
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conn.commit() |
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else: |
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conn.rollback()
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