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Merge pull request #11 from beaugunderson/add-viewer
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Original file line number | Diff line number | Diff line change |
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#!/usr/bin/env python | ||
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import os | ||
import platform | ||
import sys | ||
import Tkinter as tk | ||
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from PIL import Image, ImageTk | ||
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from watchdog.events import FileSystemEventHandler | ||
from watchdog.observers import Observer | ||
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class EventHandler(FileSystemEventHandler): | ||
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def __init__(self, filename, label, *args, **kwargs): | ||
self.filename = filename | ||
self.label = label | ||
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super(EventHandler, self).__init__(*args, **kwargs) | ||
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def on_created(self, event): | ||
if event.src_path != self.filename: | ||
return | ||
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photo = ImageTk.PhotoImage(Image.open(self.filename)) | ||
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self.label.configure(image=photo) | ||
self.label.image = photo | ||
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class App(object): | ||
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def __init__(self, filename): | ||
self.filename = filename | ||
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def callback(self): | ||
self.root.quit() | ||
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def run(self): | ||
self.root = tk.Tk() | ||
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self.root.configure(background='black') | ||
self.root.title('Frame Viewer') | ||
self.root.protocol('WM_DELETE_WINDOW', self.callback) | ||
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photo = ImageTk.PhotoImage(Image.open(self.filename)) | ||
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label = tk.Label(self.root, image=photo, background='black') | ||
label.image = photo # keep a reference! | ||
label.pack() | ||
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observer = Observer() | ||
event_handler = EventHandler(self.filename, label) | ||
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observer.schedule(event_handler, os.path.dirname(self.filename)) | ||
observer.start() | ||
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# bring the window to the front when launched | ||
if platform.system != 'Darwin': | ||
self.root.lift() | ||
self.root.attributes('-topmost', True) | ||
self.root.after_idle(self.root.attributes, '-topmost', False) | ||
else: | ||
from Cocoa import NSRunningApplication, NSApplicationActivateIgnoringOtherApps | ||
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app = NSRunningApplication.runningApplicationWithProcessIdentifier(os.getpid()) | ||
app.activateWithOptions(NSApplicationActivateIgnoringOtherApps) | ||
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self.root.mainloop() | ||
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if __name__ == '__main__': | ||
app = App(sys.argv[1]) | ||
app.run() |