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Andrew MurrayAndrew Murray
Andrew Murray
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‎README.md

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nest
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=========
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Simple webpage presentation application
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##What is it?
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In Mac OS X 10.9, I discovered that if spaces are linked, you are unable to present a webpage fullscreen on a secondary display without losing control of your primary display. This was problematic, and so I put together a simple Python application to fix the problem.
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Since projectors are sometimes put into widescreen mode, this also solves the problem of how to rescale a webpage so that it can be viewed correctly. A widescreen mode simply adds a CSS transform to the body of the page.
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##Why is it called Nest?
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The original situation I used it in was to present a webpage for my mobile app, CarrierPigeon. So I continued with the bird theme and called it Nest.

‎nest.py

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import wx
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import wx.html2
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class BrowserWindow(wx.Frame):
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def __init__(self, *args, **kwds):
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wx.Frame.__init__(self, *args, **kwds)
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sizer = wx.BoxSizer(wx.VERTICAL)
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self.browser = wx.html2.WebView.New(self)
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sizer.Add(self.browser, 1, wx.EXPAND, 10)
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self.SetSizer(sizer)
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menuBar = wx.MenuBar()
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menu = wx.Menu()
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menuItem = menu.Append(wx.ID_ANY, 'Open URL...\tCtrl+O')
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self.SetAcceleratorTable(wx.AcceleratorTable([(wx.ACCEL_CTRL, ord('O'), menuItem.GetId())]))
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self.Bind(wx.EVT_MENU, self.openURL, menuItem)
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self.widescreenMenuItem = menuItem = menu.Append(wx.ID_ANY, 'Switch to widescreen mode\tCtrl+T')
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self.SetAcceleratorTable(wx.AcceleratorTable([(wx.ACCEL_CTRL, ord('T'), menuItem.GetId())]))
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self.Bind(wx.EVT_MENU, self.switchWidescreen, menuItem)
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menuBar.Append(menu, '&File')
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self.SetMenuBar(menuBar)
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self.widescreen = False
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#Initially, wx.Frames are not visible
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self.hidden = True
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self.openURL()
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def openURL(self, event = None):
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dialog = wx.TextEntryDialog(self, "Load Page", "Please enter page url")
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if dialog.ShowModal() != wx.ID_OK:
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return
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url = dialog.GetValue()
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if not url:
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return
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dialog.Destroy()
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if not url.startswith('http://') or url.startswith('https://'):
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url = 'http://'+url
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self.LoadPage(url)
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def LoadPage(self, url):
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self.browser.LoadURL(url)
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if self.hidden:
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self.Show()
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#Alternatively, the window could be shown only on load
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#self.Bind(wx.html2.EVT_WEBVIEW_LOADED, self.Show, self.browser)
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self.hidden = False
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def switchWidescreen(self, event):
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self.widescreen = not self.widescreen
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if self.widescreen:
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stretchRatio = "0.7"
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# When changing from 4:3 to 16:9, the logical value for this argument would be 0.5625
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# However, experimentally, I have found that 0.7 works. I am unsure about why this discrepancy exists
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script = """
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var width = document.getElementsByTagName("body")[0].offsetWidth / """+stretchRatio+""";
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document.getElementsByTagName("body")[0].setAttribute('style','-webkit-transform: scaleX("""+stretchRatio+"""); width: '+width+'px; position: absolute; left: -'+(width * (1 - """+stretchRatio+""") / 2)+'px;');
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"""
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else:
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#If it is changing from widescreen to normal, remove the style argument
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script = """
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document.getElementsByTagName("body")[0].removeAttribute('style');
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"""
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self.browser.RunScript(script)
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self.widescreenMenuItem.SetItemLabel('Switch '+('from' if self.widescreen else 'to')+' widescreen mode\tCtrl+T')
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def getScreenSize():
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displayNumber = 1 if wx.Display.GetCount() == 2 else 0
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display = wx.Display(displayNumber)
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screensize = display.GetGeometry()
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if displayNumber == 0:
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#Let's not cover up the main screen completely
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scale = 0.75
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screensize.SetWidth(screensize.GetWidth() * scale)
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screensize.SetHeight(screensize.GetHeight() * scale)
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screensize.SetX(screensize.GetX() + screensize.GetWidth() * (1 - scale) / 2)
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screensize.SetY(screensize.GetY() + screensize.GetHeight() * (1 - scale) / 2)
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return screensize
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app = wx.App()
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dialog = BrowserWindow(None, -1, style=wx.NO_BORDER)
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dialog.SetRect(getScreenSize())
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app.MainLoop()

‎resources/Info.plist

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>English</string>
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<key>CFBundleDisplayName</key>
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<string>Nest</string>
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<key>CFBundleDocumentTypes</key>
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<array>
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<dict>
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<key>CFBundleTypeOSTypes</key>
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<array>
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<string>****</string>
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<string>fold</string>
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<string>disk</string>
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</array>
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<key>CFBundleTypeRole</key>
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<string>Viewer</string>
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</dict>
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</array>
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<key>CFBundleExecutable</key>
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<string>Nest</string>
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<key>CFBundleIconFile</key>
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<string>NestLogo.icns</string>
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<key>CFBundleIdentifier</key>
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<string>com.radartech.presentation.Nest</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>Nest</string>
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<key>CFBundlePackageType</key>
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<string>APPL</string>
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<key>CFBundleShortVersionString</key>
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<string>0.0.1</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleVersion</key>
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<string>0.0.1</string>
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<key>LSHasLocalizedDisplayName</key>
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<false/>
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<key>NSAppleScriptEnabled</key>
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<false/>
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<key>NSHumanReadableCopyright</key>
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<string>© Radartech</string>
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<key>NSMainNibFile</key>
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<string>MainMenu</string>
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<key>NSPrincipalClass</key>
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<string>NSApplication</string>
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<key>PyMainFileNames</key>
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<array>
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<string>__boot__</string>
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</array>
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<key>PyOptions</key>
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<dict>
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<key>alias</key>
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<false/>
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<key>argv_emulation</key>
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<true/>
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<key>no_chdir</key>
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<false/>
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<key>optimize</key>
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<integer>0</integer>
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<key>prefer_ppc</key>
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<false/>
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<key>site_packages</key>
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<false/>
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<key>use_pythonpath</key>
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<false/>
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</dict>
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<key>PyResourcePackages</key>
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<array>
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</array>
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<key>PyRuntimeLocations</key>
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<array>
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<string>@executable_path/../Frameworks/Python.framework/Versions/2.7/Python</string>
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</array>
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<key>PythonInfoDict</key>
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<dict>
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<key>PythonExecutable</key>
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<string>/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python</string>
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<key>PythonLongVersion</key>
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<string>2.7.5 (default, Aug 17 2011, 13:04:27)
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[GCC 4.0.1 (Apple Inc. build 5465)]</string>
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<key>PythonShortVersion</key>
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<string>2.7</string>
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<key>py2app</key>
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<dict>
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<key>alias</key>
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<false/>
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<key>template</key>
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<string>app</string>
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<key>version</key>
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<string>0.7.3</string>
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</dict>
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</dict>
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</dict>
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</plist>

‎resources/Nest.icns

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‎resources/Nest.png

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‎setup.py

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"""
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This is a setup.py script generated by py2applet
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Usage:
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python setup.py py2app
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"""
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from setuptools import setup
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APP = ['nest.py']
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DATA_FILES = []
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OPTIONS = {
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'iconfile':'resources/Nest.icns',
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'plist':'resources/Info.plist'
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}
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setup(
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app=APP,
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data_files=DATA_FILES,
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options={'py2app': OPTIONS},
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version='0.0.1',
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author='Andrew Murray',
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setup_requires=['py2app'],
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)

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