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#!python3
'''
This is a demo of how you can use the CoreML framework (via objc_util) to classify images in Pythonista. It downloads the trained 'MobileNet' CoreML model from the Internet, and uses it to classify images that are either taken with the camera, or picked from the photo library.
'''

import requests
import os
import io
import photos
import dialogs

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# Quick workaround for photos module (Pythonista) not downloading photos from iCloud

import photos
from objc_util import ObjCClass, ObjCInstance, ObjCBlock

def download_cloud_asset(asset):
	PHImageManager = ObjCClass('PHImageManager')
	PHImageRequestOptions = ObjCClass('PHImageRequestOptions')
	ph_asset = ObjCInstance(asset)
	ph_image_mgr = PHImageManager.defaultManager()

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'''
This module provides a Python wrapper around CIImage and CIFilter for using CoreImage filters from Pythonista more easily.

How to use:

1) Create a CImage object. The constructor accepts either a file path, a ui.Image, PIL.Image.Image, or photos.Asset object. Example:

>>> # From a photo:
>>> img = CImage(photos.pick_asset())
>>> # From a ui.Image:

omz

#!python3

'''
This is a proof-of-concept script for tagging photos with location data on iOS.
* First, it shows all photos that have no location data *and* are editable.
* Then, a grid of photos in temporal proximity is shown. You can pick multiple photos here.
* When you tap Done, the photo you selected first will get tagged with the average location of the photos you picked in the second step.
'''

import photos

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# Pythonista script to show the UI Debugging overlay (private API) described in this blog post:
# http://ryanipete.com/blog/ios/swift/objective-c/uidebugginginformationoverlay/

from objc_util import ObjCClass, on_main_thread
UIDebuggingInformationOverlay = ObjCClass('UIDebuggingInformationOverlay')

@on_main_thread
def toggle_overlay():
  UIDebuggingInformationOverlay.prepareDebuggingOverlay()
  UIDebuggingInformationOverlay.overlay().toggleVisibility()

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# `motion` module from Pythonista
# This is missing in the current App Store versions (in Pythonista 3.x, it's only missing in Python 2 mode).
# As a temporary workaround, you can put this file in the "site-packages" folder (under "Modules" or "Modules & Templates").

import _motion

shared_manager = _motion.MotionManager()

def start_updates():
	shared_manager.start()

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#! python3

# Share sheet extension script for adding new pages to Swift Playgrounds (experimental)

# HOW TO USE:
# 1. Add this script as a shortcut to the Pythonista extension (either from Pythonista's settings or the share sheet extension itself)
# 2. Tap the "Share" button in the Playground app's library.
# 3. Select the playground that you want to add a page to
# 4. Select "Run Pythonista Script" in the share sheet
# 5. Run this script, to select the chapter and page title.

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import scene, ui

shadercode_text = '''
// Modified Mandelbrot code from shadertoy.com
// https://www.shadertoy.com/view/XdtSRN
// used make_color function from ccc (pythonista forum)
// https://github.com/cclauss/fractal_hacks/blob/master/cc_mandelbrot.py

precision highp float;
varying vec2 v_tex_coord;

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# Experimental photo picker using the Photos framework via objc_util. Compared to the photos module, this has the advantage of showing all photos, including iCloud photo library. Not very well tested!

from objc_util import *
import threading
from io import BytesIO
from PIL import Image
import sys
import ui 
import ctypes

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# coding: utf-8
from objc_util import ObjCClass
UITextChecker = ObjCClass('UITextChecker')

def check_word(word, lang='en_US'):
	c = UITextChecker.new().autorelease()
	check = c.rangeOfMisspelledWordInString_range_startingAt_wrap_language_
	misspelled_range = check(word, (0, len(word)), 0, False, lang)
	return (misspelled_range.location != 0)