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\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// import math import sys from flask import abort from flask import render_template from flask import request from peewee import Database from peewee import DoesNotExist from peewee import Model from peewee import Proxy from peewee import SelectQuery from playhouse.db_url import connect as db_url_connect class PaginatedQuery(object): def __init__(self, query_or_model, paginate_by, page_var='page', check_bounds=False): self.paginate_by = paginate_by self.page_var = page_var self.check_bounds = check_bounds if isinstance(query_or_model, SelectQuery): self.query = query_or_model self.model = self.query.model_class else: self.model = query_or_model self.query = self.model.select() def get_page(self): curr_page = request.args.get(self.page_var) if curr_page and curr_page.isdigit(): return max(1, int(curr_page)) return 1 def get_page_count(self): return int(math.ceil(float(self.query.count()) / self.paginate_by)) def get_object_list(self): if self.check_bounds and self.get_page() > self.get_page_count(): abort(404) return self.query.paginate(self.get_page(), self.paginate_by) def get_object_or_404(query_or_model, *query): if not isinstance(query_or_model, SelectQuery): query_or_model = query_or_model.select() try: return query_or_model.where(*query).get() except DoesNotExist: abort(404) def object_list(template_name, query, context_variable='object_list', paginate_by=20, page_var='page', check_bounds=True, **kwargs): paginated_query = PaginatedQuery( query, paginate_by, page_var, check_bounds) kwargs[context_variable] = paginated_query.get_object_list() return render_template( template_name, pagination=paginated_query, page=paginated_query.get_page(), **kwargs) def get_current_url(): if not request.query_string: return request.path return '%s?%s' % (request.path, request.query_string) def get_next_url(default='/'): if request.args.get('next'): return request.args['next'] elif request.form.get('next'): return request.form['next'] return default class FlaskDB(object): def __init__(self, app=None, database=None): self.database = None # Reference to actual Peewee database instance. self._app = app self._db = database # dict, url, Database, or None (default). if app is not None: self.init_app(app) def init_app(self, app): self._app = app if self._db is None: if 'DATABASE' in app.config: initial_db = app.config['DATABASE'] elif 'DATABASE_URL' in app.config: initial_db = app.config['DATABASE_URL'] else: raise ValueError('Missing required configuration data for ' 'database: DATABASE or DATABASE_URL.') else: initial_db = self._db self._load_database(app, initial_db) self._register_handlers(app) def _load_database(self, app, config_value): if isinstance(config_value, Database): database = config_value elif isinstance(config_value, dict): database = self._load_from_config_dict(dict(config_value)) else: # Assume a database connection URL. database = db_url_connect(config_value) if isinstance(self.database, Proxy): self.database.initialize(database) else: self.database = database def _load_from_config_dict(self, config_dict): try: name = config_dict.pop('name') engine = config_dict.pop('engine') except