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# First things, first. Import the wxPython package.
import glob
import json
import subprocess
import tempfile
import threading
import wx
def has_ytdl():
try:
subprocess.run(["youtube-dl", "--version"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
return True
except FileNotFoundError:
return False
class SourcesPanel(wx.Panel):
"""
A Panel representing source info
"""
def __init__(self, *args, **kw):
super(SourcesPanel, self).__init__(*args, **kw)
self.update_listeners = []
root_sizer = wx.StaticBoxSizer(wx.VERTICAL, self, label="Sources")
self.SetSizer(root_sizer)
main = wx.Panel(self)
root_sizer.Add(main, proportion=1, flag=wx.EXPAND, border=3)
main_sizer = wx.GridBagSizer()
main.SetSizer(main_sizer)
url_label = wx.StaticText(main, label="URL")
main_sizer.Add(url_label, wx.GBPosition(0, 0), flag=wx.EXPAND)
self.url_text = wx.TextCtrl(main)
main_sizer.Add(self.url_text, wx.GBPosition(0, 1), flag=wx.EXPAND)
self.url_download_button = wx.Button(main, label="Download")
self.url_download_button.Bind(wx.EVT_BUTTON, self.handle_url_download_pressed)
main_sizer.Add(self.url_download_button, wx.GBPosition(0, 2), flag=wx.EXPAND)
if not has_ytdl():
tooltip = "Could not find youtube-dl"
url_label.Disable()
self.url_text.Disable()
self.url_text.SetToolTip(tooltip)
self.url_download_button.Disable()
self.url_download_button.SetToolTip(tooltip)
main_sizer.Add(wx.StaticText(main, label="File"), wx.GBPosition(1, 0), flag=wx.EXPAND)
self.file_text = wx.TextCtrl(main)
self.file_text.Bind(wx.EVT_TEXT, self.handle_file_changed)
main_sizer.Add(self.file_text, wx.GBPosition(1, 1), flag=wx.EXPAND)
self.file_browse_button = wx.Button(main, label="Browse")
self.file_browse_button.Bind(wx.EVT_BUTTON, self.handle_file_browse_pressed)
main_sizer.Add(self.file_browse_button, wx.GBPosition(1, 2), flag=wx.EXPAND)
self.status_label = wx.StaticText(main, label="Status: Select a file")
main_sizer.Add(self.status_label, wx.GBPosition(2, 0), wx.GBSpan(1, 3))
main_sizer.AddGrowableCol(1, proportion=1)
def set_status(self, text):
self.status_label.SetLabel("Status: " + text)
def handle_url_download_pressed(self, _):
self.set_status("Downloading...")
def download():
file = tempfile.NamedTemporaryFile(delete=False)
# noinspection PyArgumentList
proc = subprocess.Popen([
'youtube-dl', '-o', file.name + '.%(ext)s', self.url_text.GetValue()
], stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
while proc.poll() is None:
out_data = proc.stdout.readline()
if out_data != '':
wx.CallAfter(lambda: self.set_status("Downloading: " + out_data.strip()))
output_file = glob.glob(glob.escape(file.name) + '.*')[0]
wx.CallAfter(lambda: self.set_status("Downloaded!"))
wx.CallAfter(lambda: self.file_text.SetValue(output_file))
threading.Thread(target=download).start()
def handle_file_browse_pressed(self, _):
dialog = wx.FileDialog(self, message="message")
if dialog.ShowModal() == wx.ID_OK:
self.file_text.SetValue(dialog.GetPath())
def handle_file_changed(self, event):
result = subprocess.run([
'ffprobe', '-v', 'error', '-of', 'json',
'-show_entries', 'format=start_time,duration:stream=index,codec_type,avg_frame_rate,width,height',
self.file_text.GetValue()
], capture_output=True, text=True)
if result.stderr != "":
print(result.stderr)
ffprobe_data = json.loads(result.stdout)
del ffprobe_data['programs']
print(ffprobe_data)
if result.returncode == 0:
self.set_status("Successfully loaded media info")
for listener in self.update_listeners:
listener(ffprobe_data)
else:
self.set_status("Failed to load media info: " + result.stderr)
def on_update(self, callback):
self.update_listeners.append(callback)
class HelloFrame(wx.Frame):
"""
A Frame that says Hello World
"""
def __init__(self, *args, **kw):
# ensure the parent's __init__ is called
super(HelloFrame, self).__init__(*args, **kw)
main_sizer = wx.BoxSizer(wx.VERTICAL)
# set up sources panel
sources_panel = SourcesPanel(self)
main_sizer.Add(sources_panel, proportion=0, flag=wx.EXPAND)
# create a panel in the frame
options_panel = wx.Panel(self)
main_sizer.Add(options_panel, proportion=1, flag=wx.EXPAND)
# and put some text with a larger bold font on it
st = wx.StaticText(options_panel, label="Hello World!")
font = st.GetFont()
font.PointSize += 10
font = font.Bold()
st.SetFont(font)
# create a menu bar
self.make_menu_bar()
# and a status bar
self.CreateStatusBar()
self.SetStatusText("Welcome to wxPython!")
# main_sizer.SetSizeHints(self)
self.SetSizer(main_sizer)
def make_menu_bar(self):
"""
A menu bar is composed of menus, which are composed of menu items.
This method builds a set of menus and binds handlers to be called
when the menu item is selected.
"""
# Make a file menu with Hello and Exit items
file_menu = wx.Menu()
# The "\t..." syntax defines an accelerator key that also triggers
# the same event
hello_item = file_menu.Append(-1, "&Hello...\tCtrl-H",
"Help string shown in status bar for this menu item")
file_menu.AppendSeparator()
# When using a stock ID we don't need to specify the menu item's
# label
exit_item = file_menu.Append(wx.ID_EXIT)
# Now a help menu for the about item
help_menu = wx.Menu()
about_item = help_menu.Append(wx.ID_ABOUT)
# Make the menu bar and add the two menus to it. The '&' defines
# that the next letter is the "mnemonic" for the menu item. On the
# platforms that support it those letters are underlined and can be
# triggered from the keyboard.
menu_bar = wx.MenuBar()
menu_bar.Append(file_menu, "&File")
menu_bar.Append(help_menu, "&Help")
# Give the menu bar to the frame
self.SetMenuBar(menu_bar)
# Finally, associate a handler function with the EVT_MENU event for
# each of the menu items. That means that when that menu item is
# activated then the associated handler function will be called.
self.Bind(wx.EVT_MENU, self.on_hello, hello_item)
self.Bind(wx.EVT_MENU, self.on_exit, exit_item)
self.Bind(wx.EVT_MENU, self.on_about, about_item)
def on_exit(self, event):
"""Close the frame, terminating the application."""
self.Close(True)
def on_hello(self, event):
"""Say hello to the user."""
wx.MessageBox("Hello again from wxPython")
def on_about(self, event):
"""Display an About Dialog"""
wx.MessageBox("This is a wxPython Hello World sample",
"About Hello World 2",
wx.OK | wx.ICON_INFORMATION)
if __name__ == '__main__':
# When this module is run (not imported) then create the app, the
# frame, show it, and start the event loop.
app = wx.App()
frm = HelloFrame(None, title='Hello World 2')
frm.Show()
app.MainLoop()
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