administrators

@LankyDonkey I have a suspicion that the crashes might have to do with UIKit APIs not being called on the main (UI) thread somewhere in your code (or possibly in Pythonista's own code, I'm not sure). Using UIKit on a secondary thread has always been discouraged by Apple, but it's enforced more strictly when building with the iOS 16 SDK, so this could be why the new version's behavior is different.

This is just a guess, but you could try decorating your functions/methods that use ObjC APIs with @objc_util.on_main_thread, like this:

@objc_util.on_main_thread
def button_tapped(sender):
  # ...

@ProfessorFlaw Here's a possible solution. The kb_input_alert function below allows you to get a short text input, using the on-screen (PyKeys) keyboard. It doesn't support cursor placement or text selection, so it's only really suitable for short input, but I hope it's still helpful.

import keyboard
import ui
import dialogs


class KeyboardTypingView(ui.View):
  def __init__(self, *args, **kwargs):
    self.label = ui.Label(frame=self.bounds, flex='wh')
    self.label.font = ('<System>', 20)
    self.placeholder = ui.Label(frame=self.bounds.inset(0, 8, 0, 8), flex='wh')
    self.placeholder.font = ('<System>', 20)
    self.add_subview(self.label)
    self.add_subview(self.placeholder)
    self.label.text = ''
    self.placeholder.alpha = 0.3
    self.cursor = ui.View(bg_color='#63aaff')
    self.add_subview(self.cursor)
    self.update_cursor()
    self.entered_text = ''
    super().__init__(*args, **kwargs)

  def kb_should_insert(self, text):
    if text == '\n':
      # Return pressed
      self.entered_text = self.label.text
      keyboard.set_view(None)
    self.label.text += text
    self.update_cursor()
    return ''

  def update_cursor(self):
    self.placeholder.hidden = len(self.label.text) > 0
    self.label.size_to_fit()
    self.cursor.frame = (self.label.frame.max_x, 0, 3, self.bounds.h)

  def kb_should_delete(self):
    self.label.text = self.label.text[0:-1]
    self.update_cursor()
    return False


def kb_input_alert(title='Enter text'):
  if not keyboard.is_keyboard():
    return dialogs.input_alert(title)
  v = KeyboardTypingView()
  v.placeholder.text = title
  keyboard.set_view(v)
  v.wait_modal()
  return v.entered_text

def main():
  name = kb_input_alert('Enter your name')
  dialogs.hud_alert(f'Hello, {name}!')


if __name__ == '__main__':
  main()```

@ProfessorFlaw input_alert and similar functions are not available in the custom keyboard because they would require showing the system keyboard, which isn't possible in custom keyboards. I realize that this is unfortunate, but right now, this simply isn't supported.

@ttobias It looks like multicast networking requires an additional entitlement from Apple that I have to apply for, and explain why my app needs this... I think the previous version might still have worked because it was built with an older iOS SDK. I'll look into this, but it might take a little while.

@upwart Release notes are available in in the documentation, and there's a link from empty tabs.

@upwart Thank you, I'll look into it.

I made a last-minute change to use WKWebView instead of UIWebView for the in-App browser, and it looks like I forgot about some details.

Here's sort of a workaround, similar to the one @cvp suggested, but opening in a tab, like the built-in one.

import ui
import webbrowser
from urllib.parse import urlparse

class WebDelegate (object):
  def webview_should_start_load(self, webview, url, nav_type):
    if urlparse(url).scheme in  ['http', 'https', 'file']:
      return True
    else:
      webbrowser.open(url)

def open_browser(url):
  v = ui.WebView()
  v.name = 'Web Browser'
  v.delegate = WebDelegate()
  v.load_url(url)
  v.present('panel')

import os
url = 'file://' + os.path.abspath('test.html')
open_browser(url)

@ForceBru Thanks for the crash log. Unfortunately, it has become pretty difficult to test on iOS 12, and apparently no one in the beta was still using it, so it slipped through. Sorry about this! I'll look into it.

Title says it all, I've finally managed to get the new version through app review, so the new features (Python 3.10, Shortcuts, pandas...) are now available to everyone.

Here are the release notes for 3.4.

@Zoot You can skip the closing bracket by typing it.