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pixiv_download.py
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import json
import os
import queue
import time
from threading import Thread
import requests
from fake_useragent import UserAgent
from requests import exceptions
from settings import *
# 传入list，包含rank和下载地址或者对应id
class Download(object):
# 图片主页面
referer_template = "https://www.pixiv.net/member_illust.php?mode=medium&illust_id={pid}"
img_info_url = "https://www.pixiv.net/ajax/illust/{pid}" # 包含图片信息
tmp_img_path = os.path.join('Cache', 'tmp')
current_time = time.strftime("%Y-%m-%d", time.localtime())
original_img_path = os.path.join('Image', RANK_TYPE, current_time)
headers = {"user-agent": UserAgent().random}
download_queue = queue.Queue()
max_thread = DOWNLOAD_THREADS
thread_pool = []
download_type = 0
downloaded_count = 0
download_original_failed_list = []
download_original_failed_count = 0
download_profile_failed_list = []
download_profile_failed_count = 0
def __init__(self, img_list: list):
print('开始运行图片下载程式')
self.check_folder()
for img in img_list:
self.download_queue.put(img)
if isinstance(img_list[0][1], int):
print('下载数据原图')
self.download_type = 0
# int 表示为原图list
self.download_original_img()
print('总共', self.download_original_failed_count, '张原图下载失败')
else:
# 否则为缩略图list
print('下载数据缩略图')
self.download_type = 1
self.download_profile_img()
print('总共', self.download_profile_failed_count, '张缩略图下载失败')
while len(self.download_profile_failed_list):
print('开始重新下载部分缩略图')
self.download_type = 1
self.downloaded_count = 0
self.thread_pool.clear()
self.download_queue.empty()
list2 = set([tuple(t) for t in self.download_profile_failed_list])
self.download_profile_failed_list = list(list2)
print(self.download_profile_failed_list)
for i in self.download_profile_failed_list:
self.download_queue.put(i)
self.redownload_profile_thread()
while len(self.download_original_failed_list):
print('开始重新下载部分原图')
self.download_type = 0
self.downloaded_count = 0
self.thread_pool.clear()
self.download_queue.empty()
list2 = set([tuple(t) for t in self.download_original_failed_list])
self.download_original_failed_list = list(list2)
print(self.download_original_failed_list)
for i in self.download_original_failed_list:
self.download_queue.put(i)
self.redownload_original_thread()
def check_folder(self):
if not os.path.exists(self.original_img_path):
os.makedirs(self.original_img_path)
if not os.path.exists(self.tmp_img_path):
os.makedirs(self.tmp_img_path)
def download_profile_img(self):
for i in range(self.max_thread):
i = Thread(target=self.download_profile_thread)
self.thread_pool.append(i)
i.start()
while not self.download_queue.empty():
time.sleep(0.5)
for th in self.thread_pool:
th.join()
self.thread_pool.clear()
def download_original_img(self):
for i in range(self.max_thread):
i = Thread(target=self.download_original_thread)
self.thread_pool.append(i)
i.start()
while not self.download_queue.empty():
time.sleep(0.5)
for th in self.thread_pool:
th.join()
self.thread_pool.clear()
def download_profile_thread(self):
while True:
if self.download_queue.empty():
break
img_msg = self.download_queue.get()
img_rank = img_msg[0]
img_url = img_msg[1]
try:
self.__download(img_rank, img_url)
except:
print('获取第', img_rank, '张缩略图的下载地址时出现异常')
self.download_profile_failed_list.append(
[img_rank, img_url])
self.download_profile_failed_count += 1
def redownload_profile_thread(self):
while True:
if self.download_queue.empty():
break
img_msg = self.download_queue.get()
img_rank = img_msg[0]
img_url = img_msg[1]
try:
self.__redownload(img_rank, img_url)
except:
print('获取第', img_rank, '张缩略图的下载地址时出现异常')
self.download_profile_failed_list.append(
[img_rank, img_url])
self.download_profile_failed_count += 1
def download_original_thread(self):
while True:
if self.download_queue.empty():
break
img_msg = self.download_queue.get()
img_rank = img_msg[0]
img_id = img_msg[1]
img_count = img_msg[2]
img_p = 0
headers = self.headers.copy()
info_url = self.img_info_url.format(pid=img_id)
try:
if DOWNLOAD_P is False:
file_name1 = os.path.join(
'Image', RANK_TYPE, self.current_time, str(img_rank)+'.jpg')
file_name2 = os.path.join(
'Image', RANK_TYPE, self.current_time, str(img_rank)+'.png')
if not (os.path.exists(file_name1) and os.path.exists(file_name2)):
res = requests.get(info_url, headers=headers, timeout=5)
js = json.loads(res.text)
img_url = js["body"]["urls"]["original"] # 获取到原图的下载地址
self.__download(img_rank=img_rank, img_url=img_url,
img_id=img_id, img_p=0, img_count=img_count)
else:
if int(img_count) == 1:
file_name = os.path.join(
'Image', RANK_TYPE, self.current_time, str(img_rank)+',jpg')
file_name = os.path.join(
'Image', RANK_TYPE, self.current_time, str(img_rank)+'.png')
if not (os.path.exists(file_name1) and os.path.exists(file_name2)):
res = requests.get(info_url, headers=headers, timeout=5)
js = json.loads(res.text)
img_url = js["body"]["urls"]["original"] # 获取到原图的下载地址
self.__download(img_rank=img_rank, img_url=img_url,
img_id=img_id, img_p=0, img_count=img_count)
else:
pass
else:
rank_path = os.path.join(
'Image', RANK_TYPE, self.current_time, str(img_rank))
if not os.path.exists(rank_path):
os.makedirs(rank_path)
res = requests.get(info_url, headers=headers, timeout=5)
js = json.loads(res.text)
img_url = js["body"]["urls"]["original"] # 获取到原图的下载地址
for i in range(int(img_count)):
a = '_p'+str(i)
img_p = i+1
img_url_new = img_url.replace('_p0', a)
self.__download(img_rank, img_url_new,
img_id, i+1, img_count=img_count)
except:
print('获取第', img_rank, '张原图的下载地址时出现异常')
self.download_original_failed_list.append(
[img_rank, img_id, img_p, img_count])
print('img_count= ', img_count)
self.download_original_failed_count += 1
def redownload_original_thread(self):
while True:
if self.download_queue.empty():
break
img_msg = self.download_queue.get()
img_rank = img_msg[0]
img_id = img_msg[1]
img_p = img_msg[2]
img_count = img_msg[3]
headers = self.headers.copy()
info_url = self.img_info_url.format(pid=img_id)
try:
res = requests.get(info_url, headers=headers, timeout=5)
js = json.loads(res.text)
img_url = js["body"]["urls"]["original"] # 获取到原图的下载地址
# if int(img_count) == 1:
# if int(img_count) != 1:
# for i in range(int(img_count)):
# a = '_p'+str(i)
# img_url_new = img_url.replace('_p0', a)
# self.__download(img_rank, img_url_new, img_id, i+1, img_count=img_count)
# else:
self.__redownload(img_rank=img_rank, img_url=img_url,
img_id=img_id, img_p=img_p, img_count=img_count)
except:
print('获取第', img_rank, '张原图的下载地址时出现异常')
self.download_original_failed_list.append(
[img_rank, img_id, img_p, img_count])
self.download_original_failed_count += 1
def __download(self, img_rank, img_url, img_id=0, img_p=0, img_count=0):
# 两种下载的referer均不同
# print('开始下载')
len_count = 0
img_type = img_url[-4:]
if self.download_type == 0: # 下载原图
if img_p == 0:
file_name = os.path.join(
'Image', RANK_TYPE, self.current_time, str(img_rank)+img_type)
else:
file_name = os.path.join('Image', RANK_TYPE, self.current_time, str(
img_rank), str(img_rank)+'_'+str(img_p)+img_type)
if not os.path.exists(file_name):
try:
headers = self.headers.copy()
headers['Referer'] = self.referer_template.format(pid=img_id)
img_result = requests.get(
img_url, headers=headers, stream=True, timeout=5)
if img_result.status_code != 200:
print('访问失败 返回代码为 ', img_result.status_code)
# break
elif img_result.status_code == 404:
print('文件不存在')
raise RuntimeError('文件不存在')
img_size = int(img_result.headers['content-length'])
print('图片大小为 ', img_size/8000, ' bytes')
with open(file_name, "wb+") as fp:
for chunk in img_result.iter_content(chunk_size=1024):
fp.write(chunk)
# len_count += len(chunk)
# if len_count == img_size:
# end_str = '\n'
# else:
# end_str = '\r'
print('第', img_rank, '_', img_p, '张图片下载完成')
self.downloaded_count += 1
print('总共完成下载数量: ', self.downloaded_count, '张')
for i in self.download_original_failed_list:
if i[0] == img_rank and i[1] == img_id and i[2] == img_p:
self.download_original_failed_list.remove(i)
# fp.close()
except:
print('第', img_rank, '_', img_p, '张原图下载失败')
self.download_original_failed_list.append(
[img_rank, img_id, img_p, img_count])
self.download_original_failed_count += 1
# fp.close()
else:
pass
# print('下载进度 ', round((len_count/img_size*100), 2), '%',end=end_str)
else: # 下载缩略图
file_name = os.path.join('Cache', 'tmp', str(img_rank)+img_type)
if not os.path.exists(file_name):
# while True:
try:
headers = self.headers.copy()
if RANK_TYPE == "normal":
headers['Referer'] = 'https://www.pixiv.net/ranking.php?mode=daily'
else:
headers['Referer'] = 'https://www.pixiv.net/ranking.php?mode=daily_r18'
img_result = requests.get(
img_url, headers=headers, stream=True, timeout=5)
if img_result.status_code != 200:
print('访问失败 返回代码为 ', img_result.status_code)
# break
img_size = int(img_result.headers['content-length'])
print('图片大小为 ', img_size/8000, ' bytes')
with open(file_name, "wb+") as fp:
for chunk in img_result.iter_content(chunk_size=1024):
fp.write(chunk)
len_count += len(chunk)
if len_count == img_size:
end_str = '\n'
else:
end_str = '\r'
print('第', img_rank, '_', img_p, '张图片下载完成')
self.downloaded_count += 1
print('总共完成下载数量: ', self.downloaded_count, '张')
# fp.close()
# print('下载进度 ', round((len_count/img_size*100), 2), '%', end=end_str)
# else:
# print('下载完成')
# fp.close()
except:
print('第', img_rank, '_', img_p, '张缩略图下载失败')
self.download_profile_failed_list.append(
[img_rank, img_url])
self.download_profile_failed_count += 1
# fp.close()
else:
pass
def __redownload(self, img_rank, img_url, img_id=0, img_p=0, img_count=0):
img_type = img_url[-4:]
if self.download_type == 0: # 下载原图
if img_p == 0:
file_name = os.path.join(
'Image', RANK_TYPE, self.current_time, str(img_rank)+img_type)
else:
file_name = os.path.join('Image', RANK_TYPE, self.current_time, str(
img_rank), str(img_rank)+'_'+str(img_p)+img_type)
if os.path.exists(file_name):
os.remove(file_name)
try:
headers = self.headers.copy()
headers['Referer'] = self.referer_template.format(pid=img_id)
img_result = requests.get(
img_url, headers=headers, stream=True, timeout=5)
if img_result.status_code != 200:
print('访问失败 返回代码为 ', img_result.status_code)
# break
elif img_result.status_code == 404:
print('文件不存在')
raise RuntimeError('文件不存在')
img_size = int(img_result.headers['content-length'])
print('图片大小为 ', img_size/8000, ' bytes')
with open(file_name, "wb+") as fp:
for chunk in img_result.iter_content(chunk_size=1024):
fp.write(chunk)
# len_count += len(chunk)
# if len_count == img_size:
# end_str = '\n'
# else:
# end_str = '\r'
print('第', img_rank, '_', img_p, '张图片下载完成')
self.downloaded_count += 1
print('总共完成下载数量: ', self.downloaded_count, '张')
for i in self.download_original_failed_list:
if i[0] == img_rank and i[1] == img_id and i[2] == img_p:
self.download_original_failed_list.remove(i)
# fp.close()
except:
print('第', img_rank, '_', img_p, '张原图下载失败')
self.download_original_failed_list.append(
[img_rank, img_id, img_p, img_count])
self.download_original_failed_count += 1
# fp.close()
else:
file_name = os.path.join(
'Cache', 'tmp', str(img_rank)+img_type)
if os.path.exists(file_name):
os.remove(file_name)
try:
headers = self.headers.copy()
if RANK_TYPE == "normal":
headers['Referer'] = 'https://www.pixiv.net/ranking.php?mode=daily'
else:
headers['Referer'] = 'https://www.pixiv.net/ranking.php?mode=daily_r18'
img_result = requests.get(
img_url, headers=headers, stream=True, timeout=5)
if img_result.status_code != 200:
print('访问失败 返回代码为 ', img_result.status_code)
# break
img_size = int(img_result.headers['content-length'])
print('图片大小为 ', img_size/8000, ' bytes')
with open(file_name, "wb+") as fp:
for chunk in img_result.iter_content(chunk_size=1024):
fp.write(chunk)
# len_count += len(chunk)
# if len_count == img_size:
# end_str = '\n'
# else:
# end_str = '\r'
print('第', img_rank, '_', '张图片下载完成')
self.downloaded_count += 1
print('总共完成下载数量: ', self.downloaded_count, '张')
for i in self.download_profile_failed_list:
if i[0] == img_rank and i[1] == img_url:
self.download_profile_failed_list.remove(i)
except:
print('第', img_rank, '_''张缩略图下载失败')
self.download_profile_failed_list.append(
[img_rank, img_url])
self.download_profile_failed_count += 1
def test_download(self, img_rank, img_id, img_count):
headers = self.headers.copy()
info_url = self.img_info_url.format(pid=img_id)
try:
res = requests.get(info_url, headers=headers)
js = json.loads(res.text)
img_url = js["body"]["urls"]["original"] # 获取到原图的下载地址
print('获取完成')
print(img_url)
for i in range(img_count):
print('开始替换', i)
a = '_p'+str(i)
img_url_new = img_url.replace('_p0', a)
print(img_url_new)
self.__download(img_rank, img_url_new, img_id, i+1)
# self.__download(img_rank, img_url, img_id)
except:
print('获取第', img_rank, '张原图的下载地址时出现异常')
self.download_original_failed_list.append([img_rank, img_id])
self.download_original_failed_count += 1
# list1 = [[1, 76822859]]
# d = Download(list1)
# d.test_download(1, 76803852, 4)
# pixiv_download1 = pixiv_download(list1)
# print(pixiv_download1.original_img_path)
# pixiv_download1.download(1, 'https://i.pximg.net/c/240x480/img-master/img/2019/09/13/18/00/21/76760548_p0_master1200.jpg')
# pixiv_download1.download(1, 'https://i.pximg.net/img-original/img/2019/09/13/00/42/06/76752787_p0.png', 76752787)
# 2019年9月13日00点05分 初步完成对传入的list的判断，以及部分数据的初始化，队列刚开始测试，后续应当完成队列的读取并实现下载功能
# 2019年9月15日00点06分 下载功能基本实现，建议添加下载完成判断以及下载失败判断，原图下载需要用原图的id作为referer，应该为list传入的数据
# 原图代码为0，测试时判断语句修改为1便于判断，后续需修改回来，以及download的私有性
# 2019年9月15日23点58分 下载功能实现，可正常下载缩略图与原图，但由于原图下载时间长，一旦切出去可能产生卡死，需要修改相应代码