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SFacgDownloader.py
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# -*- coding: UTF-8 -*-
def save(filename, contents):
fh = open(filename, 'w', encoding='utf-8')
fh.write(contents)
fh.close()
def saveimg(filename, contents):
fh = open(filename, 'wb')
fh.write(contents)
fh.close()
def sfnext(url):
import re,urllib
html=urllib.request.urlopen(url).read().decode("utf-8")
xyz1 =re.search('class="btn normal">下一章</a>', html, flags=0).span()
xyz1=xyz1[0]
xyz=html[:xyz1]
xyz=xyz[-40:]
xyz2=re.search('=',xyz,flags=0).span()
xyz2=xyz2[1]
xyz=xyz[xyz2:]
xyz=xyz[1:][:-2]
xyz="http://book.sfacg.com"+xyz
return xyz
def sflast(url):
import re,urllib
html=urllib.request.urlopen(urllib.request.Request(url)).read().decode("utf-8")
syz1 = re.search('class="btn normal">上一章</a>', html, flags=0 ).span()
syz1=syz1[0]
syz=html[:syz1]
syz=syz[-200:]
syz2=re.search('<a href=',syz,flags=0).span()
syz2=syz2[1]
syz=syz[syz2:]
syz=syz[1:][:-2]
syz="http://book.sfacg.com"+syz
return syz
def sf(url, book_dir, cookies, headers, use_ocr = True, merge_total = True):
import requests
import os
print("Use OCR:", use_ocr)
html_file=requests.get(url, headers=headers, cookies=cookies)
html=html_file.text
# get total article
All_num_1 = re.search('<div class="article" id="article">', html, flags=0).span()
All_num_1 = All_num_1[1]
all = html[All_num_1:]
All_num_2 = re.search('<!-- 按钮 -->', all, flags=0).span()
All_num_2 = All_num_2[0]
all = all[:All_num_2]
# get inside article
Inside_num_1 = re.search('<div class="article-hd">', all, flags=0).span()[1]
Inside = all[Inside_num_1:]
Inside_num_2 = re.search('</div>', Inside, flags=0).span()[0]
Inside = Inside[:Inside_num_2]
# get title
Title_num_1 = re.search('<h1 class="article-title">', Inside, flags=0).span()[1]
Title = Inside[Title_num_1:]
Title_num_2 = re.search('</h1>', Title, flags=0).span()[0]
Title = Title[:Title_num_2]
title_without_md = Title
# get author
Author_num_1 = re.search('作者', Inside, flags=0).span()[1]
Author = Inside[Author_num_1:]
Author_num_2 = re.search('</span>', Author, flags=0).span()[0]
Author = Author[:Author_num_2]
# get update time
UPDate_time_1 = re.search('更新时间', Inside, flags=0).span()[1]
UPDate_time = Inside[UPDate_time_1:]
UPDate_time_2 = re.search('</span>', UPDate_time, flags=0).span()[0]
UPDate_time = UPDate_time[:UPDate_time_2]
# get word count
Count_num_1 = re.search('字数', Inside, flags=0).span()[1]
Count_num = Inside[Count_num_1:]
Count_num_2 = re.search('</span>', Count_num, flags=0).span()[0]
Count_num = Count_num[:Count_num_2]
# shrink chapters
idx_loc = re.search('<div class="article-content font16" id="ChapterBody" data-class="font16">', all, flags=0).span()[1]
# print(idx_loc)
data_no_proc = all[idx_loc:][:re.search('</div>', all[idx_loc:], flags=0).span()[0]]
# print(data_no_proc)
data_proc = re.sub("</p>", "\n", data_no_proc, count=0, flags=0) + " "
data_proc = re.sub("<p>", "\t", data_proc, count=0, flags=0).replace('\r\n', '')
data_proc = re.sub("<br>", "", data_proc, count=0, flags=0)
# print(data_proc)
# image wget for normal articles
for idx in range(5):
# print(re.search("<img src='", data_proc,flags=0))
image_url = re.search("<img src='", data_proc,flags=0)
if image_url == None: break
image_url = image_url.span()
input()
image_url=image_url[1]
data_cropped=data_proc[image_url:]
idx_end=re.search("' />", data_cropped, flags=0).span()[0]
image_link="https://book.sfacg.com/"+data_cropped[:idx_end]
print("文章内图像:"+image_link)
image_http="<img src='"+image_link+"' />"
os.system('wget -P {}img/ '.format(book_dir)+image_link)
data_proc=data_proc.replace(image_http, '+image_link[-40:]+')\n')
# detect vip image
vip_image_url=re.search("<img id='vipImage' src='/ajax/ashx/common.ashx?",data_proc)
if vip_image_url != None:
# print(vip_image_url)
idx_loc = vip_image_url.span()[1]
# print(idx_loc)
idx_end=re.search("' />",data_proc[idx_loc:]).span()[0]
ashx_request = data_proc[idx_loc:][:idx_end]
picurl='https://book.sfacg.com/ajax/ashx/common.ashx'+ashx_request
# get VIP pictures
picurl.replace("&quick=true","")
vip_image_http="<img id='vipImage' src='/ajax/ashx/common.ashx"+ashx_request+"' />"
request_get=requests.get(picurl, headers=headers, cookies=cookies).content
saveimg("{}vimg/{}.gif".format(book_dir, title_without_md), request_get)
# convert downloaded gif to jpg
gif2jpg("{}vimg/{}.gif".format(book_dir, title_without_md))
os.system("rm \"{}vimg/{}.gif\"".format(book_dir, title_without_md))
data_proc = data_proc.replace(vip_image_http, '\n'.format(book_dir, title_without_md))
if use_ocr:
print("\nImage recognizing...")
text = image_ocr_recg("{}vimg/{}.jpg".format(book_dir, title_without_md))
data_proc = data_proc.replace(''.format(book_dir, title_without_md), text)
# print(text)
if merge_total:
book_name = book_dir.split("/")[-2]
if (os.path.exists("{}{}.txt".format(book_dir, book_name)) == False):
file = open("{}{}.txt".format(book_dir, book_name), "w")
data = "《{}》\n".format(book_name)
data += "作者: {}\n".format(Author)
data += "\n"*12 + "="*40 + "\n"
file.write(data)
file.close()
else:
file = open("{}{}.txt".format(book_dir, book_name), "a+")
data = Title + "\n" + "="*30
data += "\n{}\n".format(data_proc)
file.write(data)
file.close()
# make markdown file and save
Title = "# " + Title
Author = "\n"+"## 作者" + Author
UPDate_time = "\n"+"#### 更新时间" + UPDate_time
Count_num = "\n"+"#### 字数" + Count_num
return_data = Title+Author+UPDate_time+Count_num+"\n***\n"
return_data = return_data+" "+data_proc
save("{}{}.md".format(book_dir, title_without_md), return_data)
return return_data
def image_ocr_recg(image_path, line_size=38, line_cropped_size=17, save_path=""):
image = Image.open(image_path)
img_size = image.size
cropped = Image.new("RGB", (img_size[0], img_size[1]//line_size*line_cropped_size))
ocr = CnOcr(det_model_name="densenet_lite_136-gru")
out_txt = ""
for line in range(1, img_size[1]//line_size+1):
imgc = image.crop((0,line_size*line-line_cropped_size,img_size[0],line_size*line))
# check a line has tab or new_line
head = imgc.crop((10,0,10+line_cropped_size,line_cropped_size)).convert("L").getextrema()
tail = imgc.crop((img_size[0]-10-line_cropped_size,0,img_size[0]-10,line_cropped_size)).convert("L").getextrema()
tab = True if head[0] == head[1] else False
new_line = True if tail[0] == tail[1] else False
# save cropped photos
cropped.paste(imgc, (0, line*line_cropped_size))
# ocr a line in article and fix wrong recognize
# imgc.save("temp.jpg")
result = ocr.ocr_for_single_line(np.array(imgc))
if len(result) > 0:
text = result['text'].replace("」","，")
if tab: text = "\t"+text
if new_line: text = text+"\n"
out_txt += text
# print(text)
# input()
if save_path != "":
cropped.save(save_path)
return out_txt
def gif2jpg(infile:str):
try:
image = Image.open(infile)
except IOError:
print("Cant load", infile)
sys.exit(1)
idx = 0
palette = image.getpalette()
try:
while True:
if idx == 1:
break
image.putpalette(palette)
new_image = Image.new("RGB", image.size)
new_image.paste(image)
new_image.save(infile.replace(".gif", ".jpg"))
idx += 1
# image.seek(image.tell() + 1)
except EOFError:
pass # end of sequence
def manual(url, book_dir, cookies, headers, use_ocr):
while True:
print(sf(url, book_dir, cookies, headers, use_ocr))
tj = input("是否继续? ,下一章输入n,上一章输入l,重输链接输入r ")
if tj == "n":
url=sfnext(url)
if tj == "l":
url=sflast(url)
if tj == "r":
url=input("请输入SF文章链接:")
def auto(url, book_dir, cookies, headers, use_ocr):
while True:
print(sf(url, book_dir, cookies, headers, use_ocr))
url=sfnext(url)
import re
import os
import sys
from pathlib import Path
import uncurl
from cnocr import CnOcr
from PIL import Image
import numpy as np
if __name__ == '__main__':
import requests
input("请先确认是否已经将curl写入request.txt文件 (o゜▽゜)o☆")
# Get cookies and headers from curl
file = open('request.txt','r')
curl = file.read().replace("\\","").replace("\n","")
# request = uncurl.parse(curl)
request_context = uncurl.parse_context(curl)
url = request_context.url
cookies = dict(request_context.cookies)
headers = dict(request_context.headers)
mode=input("模式选择:手动模式输入[m] 自动模式输入[a] [default:a]")
use_ocr = False if input("是否使用OCR? [y/n] [default:y]").lower() == "n" else True
html_file=requests.get(url, headers=headers, cookies=cookies)
html=html_file.text
# get total article
idx_loc = re.search('class="item bold">', html, flags=0).span()
if len(idx_loc) < 2:
print("未检测到符合格式的网页请求，请确认输入的cURL是否对应某本书的某一章节")
exit()
idx_loc = idx_loc[1]
book_name = html[idx_loc:]
idx_end = re.search('</a>', book_name, flags=0).span()
idx_end = idx_end[0]
book_name = book_name[:idx_end]
print(book_name)
# book_name = "魔女的复仇黑童话"
book_dir = "./{}/".format(book_name)
Path(book_dir).mkdir(parents=True, exist_ok=True)
# create img directories
Path(book_dir+"img/").mkdir(parents=True, exist_ok=True)
Path(book_dir+"vimg/").mkdir(parents=True, exist_ok=True)
if mode == "m":
manual(url, book_dir, cookies, headers, use_ocr)
else:
auto(url, book_dir, cookies, headers, use_ocr)