# _*_ coding:utf-8 _*_
from flask import render_template, redirect, request
from mm import mm
import os
import logging
from utils.is_login import is_login
from utils.path import Path
from utils.page import Page
from utils.encrypt import Encrypt
import collections
#######设置static_folder，便于直接访问
# root_dict=Path.get_img_folder_by_category()
category_dict = Path.get_category()
folder_dict = Path.read_json_to_dict(name=u'folder')
item_dict = Path.read_json_to_dict(name=u'item')
img_b64_dict = collections.OrderedDict()
##用于存放最近访问过的img的base64
@mm.route('/')
@is_login
def category():
return render_template('/mm/category.html', category_dict=category_dict)
@mm.route('/<category>/<int:page>')
@is_login
def item(category, folder, page):
##利用img base64 读取不在static下的文件
folder_dict_value = folder_dict.get(category)
if folder_dict_value:
root = folder_dict_value.get('root')
folders = folder_dict_value.get('folders')
item_key = u'%s-%s' % (category, folder)
filenames = item_dict.get(item_key)
if filenames:
category_dict = Path.get_category()
category_echo = category_dict.get(category)
item_length = len(filenames)
folder_length = len(folders)
folder_index = folders.index(folder)
last_folder_index = max(1, folder_index - 1)
next_folder_index = min(folder_length - 1, folder_index + 1)
last_folder = folders[last_folder_index]
next_folder = folders[next_folder_index]
##上一篇以及下一篇
page = min(page, item_length)
page = max(page, 1)
##page最小取值为1，最大取值为item_length
filename = filenames[page - 1]
extend = filename.rsplit('.', 1)[-1]
img_path = u'%s/%s/%s' % (root, folder, filename)
src = img_path.split(':', 1)[-1]
# print img_path
last_page = max(1, page - 1)
next_page = min(item_length, page + 1)
#上一页以及下一页
headers = request.headers
agent = headers['User-Agent']
width = '70%'
echo = 5
if 'linux' in agent.lower():
width = '100%'
echo = 1
item_page_list = Page.get_list(page=page,
pages=item_length,
echo=echo)
return render_template('/mm/item.html',category=category,category_echo=category_echo,folder=folder,last_folder=last_folder,\
next_folder=next_folder,last_page=last_page,next_page=next_page,src=src,\
folder_length=folder_length,item_length=item_length,width=width,page=page,\
item_page_list=item_page_list,current_page=page)
##category不存在以及item_key不存在的情况下，均重定向到首页
return redirect('/')
def item(category, folder, page):
##利用img base64 读取不在static下的文件
folder_dict_value = folder_dict.get(category)
if folder_dict_value:
root = folder_dict_value.get('root')
folders = folder_dict_value.get('folders')
item_key = u'%s-%s' % (category, folder)
filenames = item_dict.get(item_key)
if filenames:
category_dict = Path.get_category()
category_echo = category_dict.get(category)
item_length = len(filenames)
folder_length = len(folders)
folder_index = folders.index(folder)
last_folder_index = max(1, folder_index - 1)
next_folder_index = min(folder_length - 1, folder_index + 1)
last_folder = folders[last_folder_index]
next_folder = folders[next_folder_index]
##上一篇以及下一篇
page = min(page, item_length)
page = max(page, 1)
##page最小取值为1，最大取值为item_length
filename = filenames[page - 1]
extend = filename.rsplit('.', 1)[-1]
img_path = u'%s/%s/%s' % (root, folder, filename)
src = img_b64_dict.get(img_path)
if src:
pass
else:
img_base64 = Encrypt.img_b64encode(path=img_path)
src = u'data:image/%s;base64,%s' % (extend, img_base64)
if len(img_b64_dict) > 500:
img_b64_dict.popitem(last=False)
##先进先出
img_b64_dict[img_path] = src
##将base64编码字符串放入dict中，便于下次访问（不能过大，否则占用过多内存）
last_page = max(1, page - 1)
next_page = min(item_length, page + 1)
#上一页以及下一页
headers = request.headers
agent = headers['User-Agent']
width = '70%'
echo = 5
if 'linux' in agent.lower():
width = '100%'
echo = 1
item_page_list = Page.get_list(page=page,
pages=item_length,
echo=echo)
return render_template('/image/item.html',category=category,category_echo=category_echo,folder=folder,last_folder=last_folder,\
next_folder=next_folder,last_page=last_page,next_page=next_page,src=src,\
folder_length=folder_length,item_length=item_length,width=width,page=page,\
item_page_list=item_page_list,current_page=page)
##category不存在以及item_key不存在的情况下，均重定向到首页
return redirect('/')