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UtilClass.py
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UtilClass.py
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# -*- coding: utf-8 -*-
from LogUtilClass import LogUtilClass, QMessageLogUtilClass
from PyQt5.QtCore import QObject, pyqtSignal, QThread
from DownloadThreadClass import *
import os
import time
abs_dir = os.path.dirname(os.path.abspath(__file__))
class UtilClass(QThread):
REFRESH_DOWNLOAD_LIST_FINISH_SIGNAL = pyqtSignal(int, list)
SET_HORIZONTALLAYOUT_FINISH_SIGNAL = pyqtSignal(int, dict)
ARRANGE_HORIZONTALLAYOUT_IN_DOWNLOADLIST = pyqtSignal(int, dict, list)
REFRESH_SAVE_PATH_FINISH_SIGNAL = pyqtSignal(int,dict)
send_temp_pause_download_signal = pyqtSignal(dict) #通过将信号作为返回值传回主函数不知道行不行
def __init__(self, index=None, options=None, horizontaldict=None, \
download_list = None, thread_manager_dict = None, pause_download_signal=None,\
save_dir = None):
super(UtilClass, self).__init__()
self.log = LogUtilClass()
self.options = options
self.index = index
self.download_list = download_list
self.horizontaldict = horizontaldict
self.thread_manager_dict = thread_manager_dict
self.pause_download_signal = pause_download_signal
self.save_dir = save_dir
self.quality_table_dict = {
"16" : "360P",
"32" : "480P",
"64" : "720P",
"80" : "1080P",
"112" : "?",
"120" : "?",
}
self.err_dict = {}
# self.pause_download_signal = horizontaldict['send_signal_dict']['pause_download_signal']
self.log.error(f"当前发射暂停信号为{self.send_temp_pause_download_signal}")
def run(self):
time.sleep(1)
if self.options == "refresh_download_list":
self.log.info("refresh_download_list开始")
self.refresh_download_list(self.download_list)
elif self.options == "arrange_horizontallayout_in_downloadlist":
# self.log.info("arrange_horizontallayout_in_downloadlist开始")
self.arrange_horizontallayout_in_downloadlist()
elif self.options == "refresh_save_path":
# time.sleep(5)
self.refresh_save_path(self.save_dir)
elif self.options == "refresh_download_list":
self.refresh_download_list(self.download_list)
def set_horizontalLayout_child_objectname(self, horizontalDict):
# self.log.debug("开始设置子控件objectname")
this_layout_create_time = horizontalDict['this_horizontalLayout_create_time']
index_in_download_list = horizontalDict['index_in_download_list']
horizontalLayout = horizontalDict['this_horizontalLayout_layout_dict']['horizontalLayout']
for index in range(horizontalLayout.count()):
item = horizontalLayout.itemAt(index)
widget_item = item.widget()
old_object_name = widget_item.objectName().split('-')[0]
widget_item.setObjectName(old_object_name + '-' + str(int(this_layout_create_time)) + '-' + str(index_in_download_list))
return horizontalDict
def refresh_download_list(self, download_list):
self.log.debug("开始刷新download_list")
index_in_download_list_arr = []
for index, horizontalLayout in enumerate(download_list):
pass #这里直接冒泡排序一下，根据['index_in_download_list']字段蓝排序，将download_list重新排序
index_in_download_list_arr.append(horizontalLayout['index_in_download_list'])
self.bubble_sort(index_in_download_list_arr, download_list)
#然后按照从0到1从新编号
for i in range(len(download_list)):
download_list[i]['index_in_download_list'] = i
#然后重新设置对象名
for index, horizontalLayoutdict in enumerate(download_list):
self.set_horizontalLayout_child_objectname(horizontalLayoutdict)
#结束就发送结束信号
self.REFRESH_DOWNLOAD_LIST_FINISH_SIGNAL.emit(self.index, download_list)
#冒泡排序
def bubble_sort(self, arr, download_list=[]):
n = len(arr)
# 遍历数组元素
if download_list==[]:
for i in range(n - 1):
# 每次遍历将最大的元素移动到末尾
for j in range(0, n - i - 1):
if arr[j] > arr[j + 1]:
# 交换元素
arr[j], arr[j + 1] = arr[j + 1], arr[j]
return arr
else:
for i in range(n - 1):
# 每次遍历将最大的元素移动到末尾
for j in range(0, n - i - 1):
if download_list[j]['index_in_download_list'] > download_list[j + 1]['index_in_download_list']:
# 交换元素
download_list[j], download_list[j + 1] = download_list[j + 1], download_list[j]
return download_list
def arrange_horizontallayout_in_downloadlist(self, horizontaldict=None, download_list=None):
#对horizontalLayout进行整理，包括提取关键信息
pass
self.log.info("arrange_horizontallayout_in_downloadlist开始")
try:
detail_download_info = self.horizontaldict['download_info_dict']
# print(detail_download_info)
title = detail_download_info['title']
# self.log.warning(title)
# self.log.warning(type(title))
#进行一些去除不合法字符
#忘了这里其实再DownloadThreadClass中已经做过了。
bvid = detail_download_info['bvid']
page = detail_download_info['page']
download_video_url_list = detail_download_info['download_url_dict']['video_dw_url_list']
download_audio_url_list = detail_download_info['download_url_dict']['audio_dw_url_list']
#获取视频质量
id_arr = []
id_baseUrl_dict = {}
for vdw in download_video_url_list:
key_list = list(vdw.keys())
if not 'id' in key_list:
return
id_arr.append(int(vdw['id']))
id_baseUrl_dict[str((vdw['id']))] = (vdw['baseUrl'])
max_id = max(id_arr)
best_id = max_id #最好的质量
best_quality = self.quality_table_dict[str(best_id)]
download_video_url = download_video_url_list[0]['baseUrl']
download_audio_url = download_audio_url_list[0]['baseUrl']
# print(download_audio_url_list)
total_video_size = DownloadUtilClass().get_single_file_total_size(download_video_url)
total_audio_size = DownloadUtilClass().get_single_file_total_size(download_audio_url)
self.log.warning(f"需要下载的视频大小为{total_video_size}")
self.log.warning(f"需要下载的音频大小为{total_audio_size}")
total_size = total_video_size + total_audio_size
# print(horizontaldict['save_dir'])
# save_dir = horizontaldict['save_dir']
save_dir = self.save_dir
# save_path = os.path.join(abs_dir, title+'.mp4')
save_path = os.path.join(save_dir, title+'.mp4')
prime_download_info_dict = {
"title":title,
"bvid":bvid,
"page":page,
"best_quality":best_quality,
"id_baseUrl_dict":id_baseUrl_dict,
"download_video_url":download_video_url,
"download_audio_url":download_audio_url,
"total_video_size":total_video_size,
"total_audio_size":total_audio_size,
"total_size":total_size,
"save_path":save_path,
}
self.horizontaldict['prime_download_info_dict'] = prime_download_info_dict
#设置下载状态
download_status_info_dict ={
"is_Start" : False, #一旦is_Start为True,按钮就只会再pause and continue 之间切换
"is_End":False,
# "is_Paused":False,
"is_Paused":True,
}
# self.log.warning(title)
# self.log.warning(type(title))
self.horizontaldict['download_status_info_dict'] = download_status_info_dict
#设置再download_list中的index
index_in_download_list = self.download_list.index(self.horizontaldict)
self.horizontaldict['index_in_download_list'] = index_in_download_list
#给horizonlayout设置下载线程。
receive_signal_handler_func_dict = self.horizontaldict['receive_signal_handler_func_dict']
# send_signal_dict = self.horizontaldict['send_signal_dict']
# self.horizontaldict['send_signal_dict'] = self.pause_download_signal #将信号换一下，不知道行不行
#链接进度条更新信号
# time_stamp = time.time() #获取线程唯一标识
#这里应该用horizontallayout的唯一标识才能对应上，注意这两个标识是不一样的，一个是用来标识线程，一个是用来对应horizonal和thread
#好吧，好像用一个也可以
horizontaldict_time_stamp= self.horizontaldict['this_horizontalLayout_create_time']
#========================之前设置下载线程的信号和槽=======================
# download_thread = DownloadThread(video_url=download_video_url, save_path=save_path,\
# click_index= horizontaldict_time_stamp, total_size=total_size)
# download_thread.progressChanged.connect(receive_signal_handler_func_dict['get_update_progressbar_signal'])
# #这里同样将download_thread放入thread_manager_dict
# download_thread_dict = {}
# download_thread_dict['options'] = "download_thread"
# download_thread_dict['index'] = len(self.download_list)
# download_thread_dict['thread'] = download_thread
# download_thread_dict['url'] = download_video_url
# download_thread_dict['timestamp'] = horizontaldict_time_stamp #唯一标识
# self.thread_manager_dict[str(horizontaldict_time_stamp)+'-'+"download_thread"] = download_thread_dict
# #链接自己的暂停和下载信号
# self.log.info(f"开始绑定pause_download_signal")
# # self.pause_download_signal = send_signal_dict['pause_download_signal']
# self.send_temp_pause_download_signal.connect(download_thread.get_pause_download_signal)
# # self.pause_download_signal.connect(download_thread.get_pause_download_signal)
# self.log.info(f"绑定pause_download_signal成功")
# self.horizontaldict['download_thread'] = download_thread
#===================================================================
#然后设置一下title_label和comboBox
this_horizontalLayout_layout_dict = self.horizontaldict['this_horizontalLayout_layout_dict']
title_label = this_horizontalLayout_layout_dict['title_label']
comboBox = this_horizontalLayout_layout_dict['comboBox']
title_label.setText(title)
for key in id_baseUrl_dict.keys():
# comboBox.addItem(id_baseUrl_dict[key])
comboBox.addItem(self.quality_table_dict[str(key)])
#同时设置最好质量为默认currentTexxt
comboBox.setCurrentText(self.quality_table_dict[str(best_id)])
#这里当前horizontal设置好了,接下来设置horizontal的子控件的objectname
self.set_horizontalLayout_child_objectname(self.horizontaldict)
#然后对download_list进行refresh一下
self.refresh_download_list(self.download_list)
#发送结束信号
self.log.info("开始发送整理结束信号了")
self.log.debug(f"当前传入thread_manager_dict中线程数量为: {len(self.thread_manager_dict)}")
# self.log.info(f"当前传入thread_manager_dict: {self.thread_manager_dict}")
self.ARRANGE_HORIZONTALLAYOUT_IN_DOWNLOADLIST.emit(self.index, self.horizontaldict, self.download_list)
return
except Exception as e:
self.err_dict = {
"arrange_info_err":e
}
self.horizontaldict['err_dict'] = self.err_dict
self.log.warning("出现异常了, 开始发送整理结束信号了")
self.log.warning(e)
self.ARRANGE_HORIZONTALLAYOUT_IN_DOWNLOADLIST.emit(self.index, self.horizontaldict, self.download_list)
#中转开始暂停下载信号
def temp_pause_download_signal(self, pause_dict):
# time.sleep(5)
self.log.debug(f"我temp_pause_download_signal被点击了，获取暂停下载的信号, time_stamp:{self.index},点击按钮time_stamp:{pause_dict['click_index']}")
if pause_dict['click_index'] == self.index:
self.is_pasue = pause_dict['is_pause']
self.log.info(f"匹配成功: time_stamp{self.index}")
self.horizontaldict['download_thread'].start()
#开始发送中转消息
self.send_temp_pause_download_signal.emit(pause_dict)
print(self.horizontaldict['download_thread'])
print(self.pause_download_signal)
#更新horizoongtallayout的save_dir
def refresh_save_path(self, save_dir):
try:
for horizontallayout_dict in self.download_list:
prime_download_info_dict = horizontallayout_dict['prime_download_info_dict']
save_path = prime_download_info_dict['save_path']
save_file_name = prime_download_info_dict['title'] + '.mp4'
new_save_path = os.path.join(save_dir, save_file_name)
prime_download_info_dict['save_path'] = new_save_path
self.REFRESH_SAVE_PATH_FINISH_SIGNAL.emit(self.index, {}) #这里用index代表time_stamp
except Exception as e:
self.log.warning(f"刷新save_path失败, 原因: {e}")
self.REFRESH_SAVE_PATH_FINISH_SIGNAL.emit(self.index, {"err_msg":e})
return
if __name__ == '__main__':
threads_1 = {}
threads_2 = {}
threads_1[1] = UtilClass()
threads_2[1] = DownloadThread(-1)
print(threads_2[1].click_index)
threads_1[1].send_temp_pause_download_signal.connect(threads_2[1].get_pause_download_signal)
threads_1[1].send_temp_pause_download_signal.emit({
"click_index":-1,
"is_pause":True,
})
# if __name__ == '__main__':
# # 测试排序算法
# array = [64, 34, 25, 12, 22, 11, 90]
# UtilClass().bubble_sort(array)
# print("排序后的数组:", array)