Added py3 version.

Author: n7s

update-preflight-libraries-from-releases-py3.py

@@ -0,0 +1,62 @@
+#MenuTitle: Update the preflight libraries from releases (pysilfont from master) py3
+# -*- coding: utf-8 -*-
+__doc__="""
+Update the preflight libraries from releases (pysilfont from master) py3
+"""
+
+__copyright__ = 'Copyright (c) 2018, SIL International  (http://www.sil.org)'
+__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)'
+__author__ = 'Nicolas Spalinger'
+
+# using brew and sudo we expect launchers to be put into /usr/local/bin/ and the libs in /usr/local/lib
+# but if you install manually with --user you will need to add ~/Library/Python/3.*/bin to your PATH in ~/.bash_profile
+
+
+import GlyphsApp
+from subprocess import Popen, PIPE
+
+
+def runAppleScript(scpt, args=[]):
+	p = Popen(['osascript', '-'] + args, stdin=PIPE, stdout=PIPE, stderr=PIPE)
+	stdout, stderr = p.communicate(scpt)
+	if stderr:
+		print "AppleScript Error:"
+		print stderr.decode('utf-8')
+	return stdout
+
+
+preflightupdate = """
+
+tell application "Finder"
+
+	tell application "Terminal"
+
+		activate
+
+		tell window 1
+
+	        	do script "which python3; python3 --version; python3 -m pip --version; sudo python3 -m pip uninstall --yes pysilfont glyphsLib fontTools mutatorMath ufoLib defcon fontMath; sudo python3 -m pip install --upgrade --no-cache-dir git+https://github.com/silnrsi/pysilfont.git@master#egg=pysilfont git+https://github.com/googlei18n/GlyphsLib.git@v3.1.4#egg=glyphsLib fontTools fs mutatorMath defcon fontMath ; echo 'Please check to make sure these dependencies have been installed correctly: defcon, fontMath, fontTools, glyphsLib, MutatorMath and pysilfont. Only these dependencies are needed for preflight, other libraries can be reported as missing without problems. '; psfversion"
+
+		end tell
+
+	end tell
+
+end tell
+
+tell application "Finder"
+	display notification "Updating, enter your password." with title "Preflight dependencies" sound name "default"
+end tell
+
+tell application "Finder"
+	display notification "Libraries versions: see output" with title "Preflight dependencies versions"
+end tell
+
+tell application "Finder"
+	display notification "Watch for issues, when done close the window" with title "Installation issues"
+end tell
+
+
+
+"""
+
+save   = runAppleScript( preflightupdate )