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label-captcha-gui.py
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#!/bin/env python3
import argparse
import hashlib
import json
import os
import sys
import requests
from PySide2 import QtWidgets, QtCore, QtGui
from bs4 import BeautifulSoup
import constants
from gui import VLine
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, args):
QtWidgets.QMainWindow.__init__(self)
self.args = args
with open(args.config) as f:
self.config = json.load(f)
if not self.args.disable_generator:
from torchvision import transforms
from data_parallel import get_data_parallel
from helpers import load_epoch
from models import CaptchaGenerator_40x40
with open(args.dataset_config) as f:
self.dataset_config = json.load(f)
self.model = get_data_parallel(CaptchaGenerator_40x40(
slide_x=self.dataset_config['slide-x'],
total_width=constants.IMAGE_WIDTH - self.dataset_config['margin-left'] - self.dataset_config['margin-right']
), self.args.gpu)
model_state_dict, _ = load_epoch(args.generator_save_path, args.load_generator)
print('model loaded')
# noinspection PyUnresolvedReferences
self.transform = transforms.Compose([
transforms.Grayscale(),
transforms.ToTensor(),
])
self.model.load_state_dict(model_state_dict)
else:
self.dataset_config = None
self.model = None
self.transform = None
os.makedirs(self.args.captcha_dir, exist_ok=True)
self.image_label = QtWidgets.QLabel()
self.input_label = QtWidgets.QLabel('Captcha Code:')
self.input = QtWidgets.QLineEdit()
self.input.setMaxLength(5)
validate_regex = '[' + ''.join(constants.CLASSES)[2:] + ']{4,5}'
self.input.setValidator(QtGui.QRegExpValidator(QtCore.QRegExp(validate_regex, QtCore.Qt.CaseInsensitive)))
self.refresh_button = QtWidgets.QPushButton('Refresh')
self.clear_button = QtWidgets.QPushButton('Clear')
self.ok_button = QtWidgets.QPushButton('Ok')
self.input_layout = QtWidgets.QHBoxLayout()
self.input_layout.addWidget(self.input_label)
self.input_layout.addWidget(self.input)
self.button_layout = QtWidgets.QHBoxLayout()
self.button_layout.addWidget(self.refresh_button)
self.button_layout.addWidget(self.clear_button)
self.button_layout.addWidget(self.ok_button)
self.layout = QtWidgets.QVBoxLayout()
self.layout.addWidget(self.image_label, alignment=QtCore.Qt.AlignCenter)
self.layout.addLayout(self.input_layout)
self.layout.addLayout(self.button_layout)
self.setCentralWidget(QtWidgets.QWidget(self))
self.centralWidget().setLayout(self.layout)
self.status_label = QtWidgets.QLabel()
self.count_label = QtWidgets.QLabel()
self.statusBar().addPermanentWidget(self.status_label)
self.statusBar().addPermanentWidget(VLine())
self.statusBar().addPermanentWidget(self.count_label)
self.refresh_button.clicked.connect(self.update_all)
self.clear_button.clicked.connect(self.on_clear_click)
self.ok_button.clicked.connect(self.on_ok_click)
self.input.textEdited.connect(self.update_buttons)
self.refresh_shortcut = QtWidgets.QShortcut(QtGui.QKeySequence.Refresh, self)
self.refresh_shortcut.activated.connect(self.update_all)
self.clear_shortcut = QtWidgets.QShortcut(QtGui.QKeySequence.Cancel, self)
self.clear_shortcut.activated.connect(self.on_clear_click)
self.ok_shortcut = QtWidgets.QShortcut(QtGui.QKeySequence(QtCore.Qt.Key_Return), self)
self.ok_shortcut.activated.connect(self.on_ok_click)
self.session = None
self.image = b''
self.key = ''
self.results = {}
self.update_all()
def update_all(self):
self.update_data()
self.update_buttons()
self.update_count_status()
def on_ok_click(self):
code = self.input.text().upper()
response = self.session.post('https://zhjwxk.cic.tsinghua.edu.cn/j_acegi_formlogin_xsxk.do', {
'j_username': self.config['username'],
'j_password': self.config['password'],
'captchaflag': 'login1',
'_login_image_': code
})
if response.status_code != 200:
self.status_label.setText(f'Return: {response.status_code}')
self.status_label.setStyleSheet("QLabel { color: red; }")
else:
soup = BeautifulSoup(response.text, 'html.parser')
error = soup.select('div[align=center]')
if len(error):
self.status_label.setText(''.join(error[0].get_text().split()))
self.status_label.setStyleSheet("QLabel { color: red; }")
else:
with open(os.path.join(self.args.captcha_dir, f'{self.key}.{code}.jpeg'), 'wb') as f:
f.write(self.image)
self.status_label.setText(f'Success!')
self.status_label.setStyleSheet("QLabel { color: green; }")
self.update_all()
def on_clear_click(self):
self.input.setText('')
self.update_buttons()
def update_data(self):
code = ''
while code is not None:
self.session = requests.Session()
self.session.headers.update(constants.CRAWLER_HEADERS)
self.session.get('http://zhjwxk.cic.tsinghua.edu.cn/xsxk_index.jsp', allow_redirects=False)
r = self.session.get('http://zhjwxk.cic.tsinghua.edu.cn/login-jcaptcah.jpg?captchaflag=login1', stream=True)
with open(self.args.temp_file, 'wb') as f:
for chunk in r.iter_content(chunk_size=128):
f.write(chunk)
with open(self.args.temp_file, 'rb') as f:
self.image = f.read()
m = hashlib.md5()
m.update(self.image)
self.key = m.hexdigest()
self.results = {}
for filename in os.listdir(self.args.captcha_dir):
name, ext = os.path.splitext(filename)
name = name.split('.')
if ext == '.jpeg' and len(name) == 2 and len(name[0]) == 32:
self.results[name[0]] = name[1]
code = self.results.get(self.key)
print(f'search result: {code}')
if not self.args.disable_generator:
import torch
from PIL import Image
with open(self.args.temp_file, 'rb') as f:
img = Image.open(f)
img = img.crop((
self.dataset_config['margin-left'], self.dataset_config['margin-top'],
constants.IMAGE_WIDTH - self.dataset_config['margin-right'],
constants.IMAGE_HEIGHT - self.dataset_config['margin-bottom']
))
img = self.transform(img)
_, predicate = self.model(img.unsqueeze(0), torch.device('cpu'))
predicate = predicate.squeeze(1)
code = ''.join([constants.CLASSES[i] for i in predicate.tolist()])
code = code.replace('#', '').replace('+', '')
else:
code = ''
self.image_label.setPixmap(QtGui.QPixmap(self.args.temp_file))
self.input.setText(code)
def update_buttons(self):
text_len = len(self.input.text())
self.clear_button.setEnabled(text_len != 0)
self.ok_button.setEnabled(4 <= text_len <= 5)
def update_count_status(self):
self.count_label.setText(f'Total: {len(self.results)}')
def main():
parser = argparse.ArgumentParser(description='Recognize some CAPTCHA manually.')
parser.add_argument('--config', default='config.json', help='path to the config file')
parser.add_argument('--dataset_config', default='dataset.config.json', help='path to the config file')
parser.add_argument('--temp_file', default='captcha.jpeg', help='temp captcha file')
parser.add_argument('--captcha_dir', default='captcha', help='path to the captcha')
parser.add_argument('--generator_save_path', help='path for saving models and codes',
default='save/generator')
parser.add_argument('--gpu', type=lambda x: list(map(int, x.split(','))),
default=[], help="GPU ids separated by `,'")
parser.add_argument('--load_generator', type=int, default=50,
help='load module training at give epoch')
parser.add_argument('--disable_generator', action='store_true', help='disable neural networks')
args, unparsed_args = parser.parse_known_args()
app = QtWidgets.QApplication(sys.argv[:1] + unparsed_args)
main_window = MainWindow(args)
main_window.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()