class MainUi(QWidget):
def __init__(self):
super(MainUi, self).__init__()
self.setFixedSize(600,500)
self.setWindowTitle("妹子图爬虫工具 version: 1.0.0 ")
self.download_progressbar = QProgressBar()
self.download_progressbar.setAlignment(QtCore.Qt.Alignment.AlignCenter)#文字居中
self.download_progressbar.setStyleSheet(".QProgressBar::chunk { background-color: red;}")#背景
self.download_progressbar.setValue(100)
label01 = QLabel("下载URL:")
label02 = QLabel("下载目录:")
self.url_input = QLineEdit()
self.url_input.setText("https://www.mzitu.com/221746")
self.url_input.setContentsMargins(0,0,0,0)
self.download_dir = QLineEdit()
self.download_dir.setContentsMargins(0,0,0,0)
self.start_btn = QPushButton("开始爬虫")
self.start_btn.setFixedHeight(50)
self.start_btn.setContentsMargins(0,0,0,0)
inputlayout = QGridLayout()
inputlayout.addWidget(label01, 0, 0) #第0行 0列
inputlayout.addWidget(label02, 1, 0)
inputlayout.addWidget(self.url_input, 0, 1)
inputlayout.addWidget(self.download_dir, 1, 1)
inputlayout.addWidget(self.start_btn, 0, 2, 2,1,QtCore.Qt.Alignment.AlignRight) #起始行,起始列, 占行数，占列数
inputlayout.setColumnStretch(0, 1) #设置每一列比例
inputlayout.setColumnStretch(1, 10)
inputlayout.setColumnStretch(2, 1)
vlayout = QVBoxLayout()
vlayout.addLayout(inputlayout)
vlayout.addWidget(self.download_progressbar)
self.frame = QFrame()
self.frame.setFixedHeight(400)
vlayout.addWidget(self.frame)
vlayout.addStretch()
inputlayout.setContentsMargins(0,0,0,0)
vlayout01 = QVBoxLayout()
self.frame.setLayout(vlayout01)
self.qtablewidget = QTableWidget(1,3)
self.qtablewidget.setHorizontalHeaderLabels(['目录','下载图片总数目', '删除'])
vlayout01.addWidget(self.qtablewidget)
self.qtablewidget.setColumnWidth(0, 358) # 将第0列的单元格，设置成300宽度
self.qtablewidget.setColumnWidth(1, 100 ) # 将第0列的单元格，设置成50宽度
self.qtablewidget.verticalHeader().setVisible(False) #隐藏水平表头
#self.qtablewidget.setDisabled(True) #设置不可编辑
self.setLayout(vlayout)
self.current_index = 0
def tableupdate(self,dir, pic_num, pushbtn ) -> None:
self.qtablewidget.setRowCount(self.current_index+1) #设置行
diritem = QTableWidgetItem(str(dir))
self.qtablewidget.setItem( self.current_index, 0, diritem)
pic_numitem = QTableWidgetItem(str(pic_num))
self.qtablewidget.setItem( self.current_index, 1, pic_numitem)
self.qtablewidget.setCellWidget( self.current_index, 2, pushbtn )
self.current_index += 1
class YTdownloader(QWidget):
def __init__(self):
super().__init__()
# setup some flags
self.isFetching = False
self.isDownloading = False
# default output path
self.outputPath = f'{QDir.homePath()}/videos'
# setup some window specific things
self.setWindowTitle('YouTube Downloader')
self.setWindowIcon(QIcon('assets/yt-icon.ico'))
self.setFixedSize(705, 343)
# parent layout
layout = QVBoxLayout()
layout.setContentsMargins(15, 15, 15, 10)
self.setLayout(layout)
# top bar layout
topBar = QHBoxLayout()
# detail section
detailSec = QHBoxLayout()
metaSec = QVBoxLayout()
# download section
downloadSec = QHBoxLayout()
downloadBtn = QVBoxLayout()
# output path link button
self.outputBtn = QPushButton('📂 Output Path')
self.outputBtn.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.outputBtn.setToolTip(self.outputPath)
self.outputBtn.clicked.connect(self.setOutputPath)
# status bar
self.statusBar = QStatusBar()
# message box
self.message = QMessageBox()
# setting up widgets
self.urlBox = QLineEdit()
self.urlBox.setFocusPolicy(Qt.FocusPolicy.ClickFocus or Qt.FocusPolicy.NoFocus)
self.urlBox.setPlaceholderText('🔍 Enter or paste video URL...')
self.button = QPushButton('Get')
self.button.setDefault(True)
self.button.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.button.clicked.connect(self.getDetails)
# thumbnail
pixmap = QPixmap('assets\placeholder.jpg')
self.thumb = QLabel()
self.thumb.setFixedSize(250, 141)
self.thumb.setScaledContents(True)
self.thumb.setPixmap(pixmap)
# detail widgets
self.title = QLabel('Title: ')
self.author = QLabel('Author: ')
self.length = QLabel('Duration: ')
self.publish_date = QLabel('Published: ')
# progress bar
self.progress_bar = QProgressBar()
# download options
self.download = QComboBox()
self.download.setPlaceholderText('Download Video')
self.download.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.download.activated.connect(lambda: self.getContent(0))
self.download.setEnabled(False)
# download audio button
self.download_audio = QPushButton('Download Audio')
self.download_audio.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.download_audio.clicked.connect(lambda: self.getContent(1))
self.download_audio.setEnabled(False)
# add widgets and layouts
topBar.addWidget(self.urlBox)
topBar.addWidget(self.button)
# detail section
metaSec.addWidget(self.title)
metaSec.addWidget(self.author)
metaSec.addWidget(self.length)
metaSec.addWidget(self.publish_date)
detailSec.addWidget(self.thumb)
detailSec.addSpacing(20)
detailSec.addLayout(metaSec)
# download section
downloadBtn.addWidget(self.download)
downloadBtn.addWidget(self.download_audio)
downloadSec.addWidget(self.progress_bar)
downloadSec.addSpacing(10)
downloadSec.addLayout(downloadBtn)
# status bar
self.statusBar.setSizeGripEnabled(False)
self.statusBar.addPermanentWidget(self.outputBtn)
# add content to parent layout
layout.addLayout(topBar)
layout.addSpacing(20)
layout.addLayout(detailSec)
layout.addSpacing(5)
layout.addLayout(downloadSec)
layout.addWidget(self.statusBar)
# setup a connection thread to keep checking internet connectivity
self.connection = ConnectionThread()
self.connection.start()
# catch the connection response signal
self.connection.con_response.connect(self.connection_slot)
# connection slot
def connection_slot(self, status):
curMsg = self.statusBar.currentMessage()
# connection succeeded
if status:
if curMsg == '🔴 Disconnected':
self.statusBar.showMessage('🟢 Connection restored!', 3000)
elif curMsg != '🟢 Connected':
self.statusBar.showMessage('🟢 Connected')
# connection failed
elif curMsg == '🟢 Connected':
self.statusBar.showMessage('🔴 Connection interrupted!', 3000)
elif curMsg != '🔴 Disconnected':
self.statusBar.showMessage('🔴 Disconnected')
# set output path slot
def setOutputPath(self):
# update the output path
path = str(QFileDialog.getExistingDirectory(self, "Select Output Directory"))
if path:
self.outputPath = path
# update tooltip
self.outputBtn.setToolTip(path)
# get button slot
def getDetails(self):
curMsg = self.statusBar.currentMessage()
if curMsg == '🔴 Disconnected' or curMsg == '🔴 Connection interrupted!':
self.message.critical(
self,
'Error',
'Connection failed!\nAre you sure you\'re connected to the internet ? '
)
elif self.button.text() == 'Get':
self.button.setText('Stop')
# indicate progress bar as busy
self.progress_bar.setRange(0, 0)
# set fetching flag
self.isFetching = True
# setup a worker thread to keep UI responsive
self.worker = WorkerThread(self.urlBox.text())
self.worker.start()
# catch the finished signal
self.worker.finished.connect(self.finished_slot)
# catch the response signal
self.worker.worker_response.connect(self.response_slot)
# catch the error signal
self.worker.worker_err_response.connect(self.err_slot)
elif self.button.text() == 'Stop':
if self.isFetching:
# stop worker thread
self.worker.terminate()
# set back the button text
self.button.setText('Get')
elif self.isDownloading:
# stop download thread
self.download_thread.terminate()
# show the warning message
self.message.information(
self,
'Interrupted',
'Download interrupted!\nThe process was aborted while the file was being downloaded... '
)
# reset pogress bar
self.progress_bar.reset()
# download options slot
def getContent(self, id):
if self.isFetching:
# show the warning message
self.message.warning(
self,
'Warning',
'Please wait!\nWait while the details are being fetched... '
)
else:
# disable the download options
self.download.setDisabled(True)
self.download_audio.setDisabled(True)
# set downloading flag
self.isDownloading = True
# set button to stop
self.button.setText('Stop')
# setup download thread
if id == 0:
self.download_thread = DownloadThread(self.yt, self.download.currentText()[:4], self.outputPath)
else:
self.download_thread = DownloadThread(self.yt, 'audio', self.outputPath)
# start the thread
self.download_thread.start()
# catch the finished signal
self.download_thread.finished.connect(self.download_finished_slot)
# catch the response signal
self.download_thread.download_response.connect(self.download_response_slot)
# catch the complete signal
self.download_thread.download_complete.connect(self.download_complete_slot)
# catch the error signal
self.download_thread.download_err.connect(self.download_err_slot)
# finished slot
def finished_slot(self):
# remove progress bar busy indication
self.progress_bar.setRange(0, 100)
# unset fetching flag
self.isFetching = False
# response slot
def response_slot(self, res):
# set back the button text
self.button.setText('Get')
# save the yt object for speeding up download
self.yt = res[0]
# set the actual thumbnail of requested video
self.thumb.setPixmap(res[1])
# slice the title if it is more than the limit
if len(res[2]) > 50:
self.title.setText(f'Title: {res[2][:50]}...')
else:
self.title.setText(f'Title: {res[2]}')
# set leftover details
self.author.setText(f'Author: {res[3]}')
self.length.setText(f'Duration: {timedelta(seconds=res[4])}')
self.publish_date.setText(f'Published: {res[5].strftime("%d/%m/%Y")}')
# clear any previous items if any
self.download.clear()
# add resolutions as items to the download button and enable them
self.download.addItems([item for item in res[6]])
self.download.setDisabled(False)
self.download_audio.setDisabled(False)
# error slot
def err_slot(self):
# show the warning message
self.message.warning(
self,
'Warning',
'Something went wrong!\nProbably a broken link or some restricted content... '
)
# set back the button text
self.button.setText('Get')
# download finished slot
def download_finished_slot(self):
# set back the button text
self.button.setText('Get')
# now enable the download options
self.download.setDisabled(False)
self.download_audio.setDisabled(False)
# unset downloading flag
self.isDownloading = False
# reset pogress bar
self.progress_bar.reset()
# download response slot
def download_response_slot(self, per):
# update progress bar
self.progress_bar.setValue(per)
# adjust the font color to maintain the contrast
if per > 52:
self.progress_bar.setStyleSheet('QProgressBar { color: #fff }')
else:
self.progress_bar.setStyleSheet('QProgressBar { color: #000 }')
# download complete slot
def download_complete_slot(self, location):
# use native separators
location = QDir.toNativeSeparators(location)
# show the success message
if self.message.information(
self,
'Downloaded',
f'Download complete!\nFile was successfully downloaded to :\n{location}\n\nOpen the downloaded file now ?',
QMessageBox.StandardButtons.Open,
QMessageBox.StandardButtons.Cancel
) is QMessageBox.StandardButtons.Open: subprocess.Popen(f'explorer /select,{location}')
# download error slot
def download_err_slot(self):
# show the error message
self.message.critical(
self,
'Error',
'Error!\nSomething unusual happened and was unable to download...'
)
class B23Download(QWidget):
def __init__(self):
super(B23Download, self).__init__()
# setup some flags
self.is_fetching = False
self.is_downloading = False
# default output path
basepath = os.path.dirname(os.path.abspath(__file__))
path = os.path.join(basepath, "videos")
self.output_path = path
# setup some window specific things
self.setWindowTitle("Bilibili Favorite Downloader")
self.setWindowIcon(QIcon("images/icon_bilibili.ico"))
self.setFixedSize(705, 343)
# parent layout
main_layout = QVBoxLayout()
main_layout.setContentsMargins(15, 15, 15, 10)
self.setLayout(main_layout)
# top bar layout
top_layout = QHBoxLayout()
# detail section
mid_main_layout = QHBoxLayout()
mid_right_layout = QVBoxLayout()
# download section
bottom_main_layout = QHBoxLayout()
bottom_right_layout = QVBoxLayout()
# output path link button
self.output_btn = QPushButton("📂 Output Path")
self.output_btn.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.output_btn.setToolTip(self.output_path)
self.output_btn.clicked.connect(self.set_output_path)
# status bar
self.status_bar = QStatusBar()
# message box
self.message_box = QMessageBox()
# setting up widgets
self.url_edit = QLineEdit()
self.url_edit.setPlaceholderText("🔍 Enter or paste favorite URL...")
self.get_btn = QPushButton("Get")
self.get_btn.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.get_btn.clicked.connect(self.get_details)
# thumbnail
pixmap = QPixmap("images/placeholder.png")
self.thumb = QLabel()
self.thumb.setFixedSize(250, 141)
self.thumb.setScaledContents(True)
self.thumb.setPixmap(pixmap)
# detail widgets
self.title = QLabel("Title: ")
self.author = QLabel("Author: ")
self.length = QLabel("Videos: ")
self.publish_date = QLabel("Published: ")
# progress bar
self.progress_bar = QProgressBar()
# download options
self.download_btn = QPushButton(" Download Videos ")
self.download_btn.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.download_btn.clicked.connect(self.get_content)
self.download_btn.setEnabled(False)
self.download_btn.setShortcut("Ctrl+Return")
self.download_btn.setMinimumWidth(200)
# add widgets and layouts
top_layout.addWidget(self.url_edit)
top_layout.addWidget(self.get_btn)
# detail section
mid_right_layout.addWidget(self.title)
mid_right_layout.addWidget(self.author)
mid_right_layout.addWidget(self.length)
mid_right_layout.addWidget(self.publish_date)
mid_main_layout.addWidget(self.thumb)
mid_main_layout.addSpacing(20)
mid_main_layout.addLayout(mid_right_layout)
# download section
bottom_right_layout.addWidget(self.download_btn)
bottom_main_layout.addWidget(self.progress_bar)
bottom_main_layout.addSpacing(10)
bottom_main_layout.addLayout(bottom_right_layout)
# status bar
self.status_bar.setSizeGripEnabled(False)
self.status_bar.addPermanentWidget(self.output_btn)
# add content to parent layout
main_layout.addLayout(top_layout)
main_layout.addSpacing(20)
main_layout.addLayout(mid_main_layout)
main_layout.addSpacing(5)
main_layout.addLayout(bottom_main_layout)
main_layout.addWidget(self.status_bar)
# set output path slot
def set_output_path(self):
# update the output path
path = str(
QFileDialog.getExistingDirectory(self, "Select Output Directory"))
if path:
self.output_path = path
# update tooltip
self.output_btn.setToolTip(path)
# get button slot
def get_details(self):
text = self.url_edit.text().strip()
if not text:
return
if text.find("fid") < 0:
self.message_box.warning(
self,
"Error",
("Input a correct favorite URL!\n"
"For example: https://space.bilibili.com/xxx/favlist?fid=xxx..."
),
)
return
if self.get_btn.text() == "Get":
self.get_btn.setText("Stop")
# indicate progress bar as busy
self.progress_bar.setRange(0, 0)
# set fetching flag
self.is_fetching = True
# setup a worker thread to keep UI responsive
self.media_id = text.split("fid=")[-1].split("&")[0]
self.worker = WorkerThread(self.media_id)
self.worker.start()
# catch the finished signal
self.worker.finished.connect(self.finished_slot)
# catch the response signal
self.worker.worker_response.connect(self.response_slot)
# catch the error signal
self.worker.worker_err_response.connect(self.err_slot)
elif self.get_btn.text() == "Stop":
if self.is_fetching:
# stop worker thread
self.worker.terminate()
# set back the get_btn text
self.get_btn.setText("Get")
elif self.is_downloading:
# stop download thread
self.download_thread.terminate()
# show the warning message_box
self.message_box.information(
self,
"Interrupted",
"Download interrupted!\nThe process was aborted while the file was being downloaded... ",
)
# reset progress bar
self.progress_bar.reset()
# download options slot
def get_content(self):
if self.is_fetching:
# show the warning message
self.message_box.critical(
self,
"Error",
"Please wait!\nWait while the details are being fetched... ",
)
else:
# disable the download options
self.download_btn.setDisabled(True)
# set downloading flag
self.is_downloading = True
# set button to stop
self.get_btn.setText("Stop")
self.download_thread = DownloadThread(
self.media_id,
self.media_counts,
self.first_page_medias,
self.output_path,
)
# start the thread
self.download_thread.start()
# catch the finished signal
self.download_thread.finished.connect(self.download_finished_slot)
# catch the response signal
self.download_thread.download_response.connect(
self.download_response_slot)
# catch the complete signal
self.download_thread.download_complete.connect(
self.download_complete_slot)
# catch the error signal
self.download_thread.download_err.connect(self.download_err_slot)
# handling enter key for get/stop button
def keyPressEvent(self, event):
self.url_edit.setFocus()
if (event.key() == Qt.Key.Key_Enter.value
or event.key() == Qt.Key.Key_Return.value):
self.get_details()
# finished slot
def finished_slot(self):
# remove progress bar busy indication
self.progress_bar.setRange(0, 100)
# unset fetching flag
self.is_fetching = False
# response slot
def response_slot(self, res):
# set back the button text
self.get_btn.setText("Get")
# set the actual thumbnail of requested video
self.thumb.setPixmap(res.thumb_img)
# slice the title if it is more than the limit
if len(res.title) > 50:
self.title.setText(f"Title: {res.title[:50]}...")
else:
self.title.setText(f"Title: {res.title}")
# cache first page medias
self.first_page_medias = res.medias
self.media_counts = res.media_counts
# set leftover details
self.author.setText(f"Author: {res.author}")
self.length.setText(f"Videos: {res.media_counts}")
self.publish_date.setText(
f'Published: {time.strftime("%Y-%m-%d %H:%M:%S",time.localtime(res.publish_date))}'
)
self.download_btn.setDisabled(False)
# error slot
def err_slot(self):
# show the warning message
self.message_box.warning(
self,
"Warning",
"Something went wrong!\nProbably a broken link or some restricted content... ",
)
# set back the button text
self.get_btn.setText("Get")
# download finished slot
def download_finished_slot(self):
# set back the button text
self.get_btn.setText("Get")
# now enable the download options
self.download_btn.setDisabled(False)
# unset downloading flag
self.is_downloading = False
# reset pogress bar
self.progress_bar.reset()
# download response slot
def download_response_slot(self, per):
# update progress bar
self.progress_bar.setValue(per)
# adjust the font color to maintain the contrast
if per > 52:
self.progress_bar.setStyleSheet("QProgressBar { color: #fff }")
else:
self.progress_bar.setStyleSheet("QProgressBar { color: #000 }")
# download complete slot
def download_complete_slot(self, location):
# use native separators
location = QDir.toNativeSeparators(location)
# show the success message
if (self.message_box.information(
self,
"Downloaded",
f"Download complete!\nFile was successfully downloaded to :\n{location}\n\nOpen the downloaded file now ?",
QMessageBox.StandardButtons.Open,
QMessageBox.StandardButtons.Cancel,
) is QMessageBox.StandardButtons.Open):
subprocess.Popen(f"explorer /select,{location}")
# download error slot
def download_err_slot(self):
# show the error message
self.message_box.critical(
self,
"Error",
"Error!\nSomething unusual happened and was unable to download...",
)