diff options
Diffstat (limited to 'indra/viewer_components/updater/scripts/darwin')
4 files changed, 535 insertions, 10 deletions
diff --git a/indra/viewer_components/updater/scripts/darwin/janitor.py b/indra/viewer_components/updater/scripts/darwin/janitor.py new file mode 100644 index 0000000000..cdf33df731 --- /dev/null +++ b/indra/viewer_components/updater/scripts/darwin/janitor.py @@ -0,0 +1,133 @@ +#!/usr/bin/python +"""\ +@file janitor.py +@author Nat Goodspeed +@date 2011-09-14 +@brief Janitor class to clean up arbitrary resources + +2013-01-04 cloned from vita because it's exactly what update_install.py needs. + +$LicenseInfo:firstyear=2011&license=viewerlgpl$ +Copyright (c) 2011, Linden Research, Inc. +$/LicenseInfo$ +""" + +import sys +import functools +import itertools + +class Janitor(object): + """ + Usage: + + Basic: + self.janitor = Janitor(sys.stdout) # report cleanup actions on stdout + ... + self.janitor.later(os.remove, some_temp_file) + self.janitor.later(os.remove, some_other_file) + ... + self.janitor.cleanup() # perform cleanup actions + + Context Manager: + with Janitor() as janitor: # clean up quietly + ... + janitor.later(shutil.rmtree, some_temp_directory) + ... + # exiting 'with' block performs cleanup + + Test Class: + class TestMySoftware(unittest.TestCase, Janitor): + def __init__(self): + Janitor.__init__(self) # quiet cleanup + ... + + def setUp(self): + ... + self.later(os.rename, saved_file, original_location) + ... + + def tearDown(self): + Janitor.tearDown(self) # calls cleanup() + ... + # Or, if you have no other tearDown() logic for + # TestMySoftware, you can omit the TestMySoftware.tearDown() + # def entirely and let it inherit Janitor.tearDown(). + """ + def __init__(self, stream=None): + """ + If you pass stream= (e.g.) sys.stdout or sys.stderr, Janitor will + report its cleanup operations as it performs them. If you don't, it + will perform them quietly -- unless one or more of the actions throws + an exception, in which case you'll get output on stderr. + """ + self.stream = stream + self.cleanups = [] + + def later(self, func, *args, **kwds): + """ + Pass the callable you want to call at cleanup() time, plus any + positional or keyword args you want to pass it. + """ + # Get a name string for 'func' + try: + # A free function has a __name__ + name = func.__name__ + except AttributeError: + try: + # A class object (even builtin objects like ints!) support + # __class__.__name__ + name = func.__class__.__name__ + except AttributeError: + # Shrug! Just use repr() to get a string describing this func. + name = repr(func) + # Construct a description of this operation in Python syntax from + # args, kwds. + desc = "%s(%s)" % \ + (name, ", ".join(itertools.chain((repr(a) for a in args), + ("%s=%r" % (k, v) for (k, v) in kwds.iteritems())))) + # Use functools.partial() to bind passed args and keywords to the + # passed func so we get a nullary callable that does what caller + # wants. + bound = functools.partial(func, *args, **kwds) + self.cleanups.append((desc, bound)) + + def cleanup(self): + """ + Perform all the actions saved with later() calls. + """ + # Typically one allocates resource A, then allocates resource B that + # depends on it. In such a scenario it's appropriate to delete B + # before A -- so perform cleanup actions in reverse order. (This is + # the same strategy used by atexit().) + while self.cleanups: + # Until our list is empty, pop the last pair. + desc, bound = self.cleanups.pop(-1) + + # If requested, report the action. + if self.stream is not None: + print >>self.stream, desc + + try: + # Call the bound callable + bound() + except Exception, err: + # This is cleanup. Report the problem but continue. + print >>(self.stream or sys.stderr), "Calling %s\nraised %s: %s" % \ + (desc, err.__class__.__name__, err) + + def tearDown(self): + """ + If a unittest.TestCase subclass (or a nose test class) adds Janitor as + one of its base classes, and has no other tearDown() logic, let it + inherit Janitor.tearDown(). + """ + self.cleanup() + + def __enter__(self): + return self + + def __exit__(self, type, value, tb): + # Perform cleanup no matter how we exit this 'with' statement + self.cleanup() + # Propagate any exception from the 'with' statement, don't swallow it + return False diff --git a/indra/viewer_components/updater/scripts/darwin/messageframe.py b/indra/viewer_components/updater/scripts/darwin/messageframe.py new file mode 100644 index 0000000000..8f58848882 --- /dev/null +++ b/indra/viewer_components/updater/scripts/darwin/messageframe.py @@ -0,0 +1,66 @@ +#!/usr/bin/python +"""\ +@file messageframe.py +@author Nat Goodspeed +@date 2013-01-03 +@brief Define MessageFrame class for popping up messages from a command-line + script. + +$LicenseInfo:firstyear=2013&license=viewerlgpl$ +Copyright (c) 2013, Linden Research, Inc. +$/LicenseInfo$ +""" + +import Tkinter as tk +import os + +# Tricky way to obtain the filename of the main script (default title string) +import __main__ + +# This class is intended for displaying messages from a command-line script. +# Getting the base class right took a bit of trial and error. +# If you derive from tk.Frame, the destroy() method doesn't actually close it. +# If you derive from tk.Toplevel, it pops up a separate Tk frame too. destroy() +# closes this frame, but not that one. +# Deriving from tk.Tk appears to do the right thing. +class MessageFrame(tk.Tk): + def __init__(self, text="", title=os.path.splitext(os.path.basename(__main__.__file__))[0], + width=320, height=120): + tk.Tk.__init__(self) + self.grid() + self.title(title) + self.var = tk.StringVar() + self.var.set(text) + self.msg = tk.Label(self, textvariable=self.var) + self.msg.grid() + # from http://stackoverflow.com/questions/3352918/how-to-center-a-window-on-the-screen-in-tkinter : + self.update_idletasks() + + # The constants below are to adjust for typical overhead from the + # frame borders. + xp = (self.winfo_screenwidth() / 2) - (width / 2) - 8 + yp = (self.winfo_screenheight() / 2) - (height / 2) - 20 + self.geometry('{0}x{1}+{2}+{3}'.format(width, height, xp, yp)) + self.update() + + def set(self, text): + self.var.set(text) + self.update() + +if __name__ == "__main__": + # When run as a script, just test the MessageFrame. + import sys + import time + + frame = MessageFrame("something in the way she moves....") + time.sleep(3) + frame.set("smaller") + time.sleep(3) + frame.set("""this has +several +lines""") + time.sleep(3) + frame.destroy() + print "Destroyed!" + sys.stdout.flush() + time.sleep(3) diff --git a/indra/viewer_components/updater/scripts/darwin/update_install b/indra/viewer_components/updater/scripts/darwin/update_install deleted file mode 100644 index e7f36dc5a3..0000000000 --- a/indra/viewer_components/updater/scripts/darwin/update_install +++ /dev/null @@ -1,10 +0,0 @@ -#! /bin/bash - -# -# The first argument contains the path to the installer app. The second a path -# to a marker file which should be created if the installer fails.q -# - -cd "$(dirname "$0")" -(../Resources/mac-updater.app/Contents/MacOS/mac-updater -dmg "$1" -name "Second Life Viewer"; if [ $? -ne 0 ]; then echo $3 >> "$2"; fi;) & -exit 0 diff --git a/indra/viewer_components/updater/scripts/darwin/update_install.py b/indra/viewer_components/updater/scripts/darwin/update_install.py new file mode 100755 index 0000000000..e8b96e6123 --- /dev/null +++ b/indra/viewer_components/updater/scripts/darwin/update_install.py @@ -0,0 +1,336 @@ +#!/usr/bin/python +"""\ +@file update_install.py +@author Nat Goodspeed +@date 2012-12-20 +@brief Update the containing Second Life application bundle to the version in + the specified disk image file. + + This Python implementation is derived from the previous mac-updater + application, a funky mix of C++, classic C and Objective-C. + +$LicenseInfo:firstyear=2012&license=viewerlgpl$ +Copyright (c) 2012, Linden Research, Inc. +$/LicenseInfo$ +""" + +import os +import sys +import cgitb +import errno +import glob +import plistlib +import re +import shutil +import subprocess +import tempfile +import time +from janitor import Janitor +from messageframe import MessageFrame +import Tkinter, tkMessageBox + +TITLE = "SecondLife Updater" +# Magic bundle identifier used by all Second Life viewer bundles +BUNDLE_IDENTIFIER = "com.secondlife.indra.viewer" + +# Global handle to the MessageFrame so we can update message +FRAME = None +# Global handle to logfile, once it's open +LOGF = None + +# **************************************************************************** +# Logging and messaging +# +# This script is normally run implicitly by the old viewer to update to the +# new viewer. Its UI consists of a MessageFrame and possibly a Tk error box. +# Log details to updater.log -- especially uncaught exceptions! +# **************************************************************************** +def log(message): + """write message only to LOGF (also called by status() and fail())""" + # If we don't even have LOGF open yet, at least write to Console log + logf = LOGF or sys.stderr + logf.writelines((time.strftime("%Y-%m-%dT%H:%M:%SZ ", time.gmtime()), message, '\n')) + logf.flush() + +def status(message): + """display and log normal progress message""" + log(message) + + global FRAME + if not FRAME: + FRAME = MessageFrame(message, TITLE) + else: + FRAME.set(message) + +def fail(message): + """log message, produce error box, then terminate with nonzero rc""" + log(message) + + # If we haven't yet called status() (we don't yet have a FRAME), perform a + # bit of trickery to bypass the spurious "main window" that Tkinter would + # otherwise pop up if the first call is showerror(). + if not FRAME: + root = Tkinter.Tk() + root.withdraw() + + # If we do have a LOGF available, mention it in the error box. + if LOGF: + message = "%s\n(Updater log in %s)" % (message, LOGF.name) + + # We explicitly specify the WARNING icon because, at least on the Tkinter + # bundled with the system-default Python 2.7 on Mac OS X 10.7.4, the + # ERROR, QUESTION and INFO icons are all the silly Tk rocket ship. At + # least WARNING has an exclamation in a yellow triangle, even though + # overlaid by a smaller image of the rocket ship. + tkMessageBox.showerror(TITLE, +"""An error occurred while updating Second Life: +%s +Please download the latest viewer from www.secondlife.com.""" % message, + icon=tkMessageBox.WARNING) + sys.exit(1) + +def exception(err): + """call fail() with an exception instance""" + fail("%s exception: %s" % (err.__class__.__name__, str(err))) + +def excepthook(type, value, traceback): + """ + Store this hook function into sys.excepthook until we have a logfile. + """ + # At least in older Python versions, it could be tricky to produce a + # string from 'type' and 'value'. For instance, an OSError exception would + # pass type=OSError and value=some_tuple. Empirically, this funky + # expression seems to work. + exception(type(*value)) +sys.excepthook = excepthook + +class ExceptHook(object): + """ + Store an instance of this class into sys.excepthook once we have a logfile + open. + """ + def __init__(self, logfile): + # There's no magic to the cgitb.enable() function -- it merely stores + # an instance of cgitb.Hook into sys.excepthook, passing enable()'s + # params into Hook.__init__(). Sadly, enable() doesn't forward all its + # params using (*args, **kwds) syntax -- another story. But the point + # is that all the goodness is in the cgitb.Hook class. Capture an + # instance. + self.hook = cgitb.Hook(file=logfile, format="text") + + def __call__(self, type, value, traceback): + # produce nice text traceback to logfile + self.hook(type, value, traceback) + # Now display an error box. + excepthook(type, value, traceback) + +def write_marker(markerfile, markertext): + log("writing %r to %s" % (markertext, markerfile)) + try: + with open(markerfile, "w") as markerf: + markerf.write(markertext) + except IOError, err: + # write_marker() is invoked by fail(), and fail() is invoked by other + # error-handling functions. If we try to invoke any of those, we'll + # get infinite recursion. If for any reason we can't write markerfile, + # try to log it -- otherwise shrug. + log("%s exception: %s" % (err.__class__.__name__, err)) + +# **************************************************************************** +# Main script logic +# **************************************************************************** +def main(dmgfile, markerfile, markertext, appdir=None): + # Should we fail, we're supposed to write 'markertext' to 'markerfile'. + # Wrap the fail() function so we do that. + global fail + oldfail = fail + def fail(message): + write_marker(markerfile, markertext) + oldfail(message) + + try: + # Starting with the Cocoafied viewer, we'll find viewer logs in + # ~/Library/Application Support/$CFBundleIdentifier/logs rather than in + # ~/Library/Application Support/SecondLife/logs as before. This could be + # obnoxious -- but we Happen To Know that markerfile is a path specified + # within the viewer's logs directory. Use that. + logsdir = os.path.dirname(markerfile) + + # Move the old updater.log file out of the way + logname = os.path.join(logsdir, "updater.log") + try: + os.rename(logname, logname + ".old") + except OSError, err: + # Nonexistence is okay. Anything else, not so much. + if err.errno != errno.EEXIST: + raise + + # Open new updater.log. + global LOGF + LOGF = open(logname, "w") + + # Now that LOGF is in fact open for business, use it to log any further + # uncaught exceptions. + sys.excepthook = ExceptHook(LOGF) + + # log how this script was invoked + log(' '.join(repr(arg) for arg in sys.argv)) + + # prepare for other cleanup + with Janitor(LOGF) as janitor: + + # Hopefully caller explicitly stated the viewer bundle to update. + # But if not, try to derive it from our own pathname. (The only + # trouble with that is that the old viewer might copy this script + # to a temp dir before running.) + if not appdir: + # Somewhat peculiarly, this script is currently packaged in + # Appname.app/Contents/MacOS with the viewer executable. But even if we + # decide to move it to Appname.app/Contents/Resources, we'll still find + # Appname.app two levels up from dirname(__file__). + appdir = os.path.abspath(os.path.join(os.path.dirname(__file__), + os.pardir, os.pardir)) + if not appdir.endswith(".app"): + fail(appdir + " is not an application directory") + + # We need to install into appdir's parent directory -- can we? + installdir = os.path.abspath(os.path.join(appdir, os.pardir)) + if not os.access(installdir, os.W_OK): + fail("Can't modify " + installdir) + + # invent a temporary directory + tempdir = tempfile.mkdtemp() + log("created " + tempdir) + # clean it up when we leave + janitor.later(shutil.rmtree, tempdir) + + status("Mounting image...") + + mntdir = os.path.join(tempdir, "mnt") + log("mkdir " + mntdir) + os.mkdir(mntdir) + command = ["hdiutil", "attach", dmgfile, "-mountpoint", mntdir] + log(' '.join(command)) + # Instantiating subprocess.Popen launches a child process with the + # specified command line. stdout=PIPE passes a pipe to its stdout. + hdiutil = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=LOGF) + # Popen.communicate() reads that pipe until the child process + # terminates, returning (stdout, stderr) output. Select just stdout. + hdiutil_out = hdiutil.communicate()[0] + if hdiutil.returncode != 0: + fail("Couldn't mount " + dmgfile) + # hdiutil should report the devnode. Find that. + found = re.search(r"/dev/[^ ]*\b", hdiutil_out) + if not found: + # If we don't spot the devnode, log it and continue -- we only + # use it to detach it. Don't fail the whole update if we can't + # clean up properly. + log("Couldn't spot devnode in hdiutil output:\n" + hdiutil_out) + else: + # If we do spot the devnode, detach it when done. + janitor.later(subprocess.call, ["hdiutil", "detach", found.group(0)], + stdout=LOGF, stderr=subprocess.STDOUT) + + status("Searching for app bundle...") + + for candidate in glob.glob(os.path.join(mntdir, "*.app")): + log("Considering " + candidate) + try: + # By convention, a valid Mac app bundle has a + # Contents/Info.plist file containing at least + # CFBundleIdentifier. + CFBundleIdentifier = \ + plistlib.readPlist(os.path.join(candidate, "Contents", + "Info.plist"))["CFBundleIdentifier"] + except Exception, err: + # might be IOError, xml.parsers.expat.ExpatError, KeyError + # Any of these means it's not a valid app bundle. Instead + # of aborting, just skip this candidate and continue. + log("%s not a valid app bundle: %s: %s" % + (candidate, err.__class__.__name__, err)) + continue + + if CFBundleIdentifier == BUNDLE_IDENTIFIER: + break + + log("unrecognized CFBundleIdentifier: " + CFBundleIdentifier) + + else: + fail("Could not find Second Life viewer in " + dmgfile) + + # Here 'candidate' is the new viewer to install + log("Found " + candidate) + status("Preparing to copy files...") + + # move old viewer to temp location in case copy from .dmg fails + aside = os.path.join(tempdir, os.path.basename(appdir)) + log("mv %r %r" % (appdir, aside)) + # Use shutil.move() instead of os.rename(). move() first tries + # os.rename(), but falls back to shutil.copytree() if the dest is + # on a different filesystem. + shutil.move(appdir, aside) + + status("Copying files...") + + # shutil.copytree()'s target must not already exist. But we just + # moved appdir out of the way. + log("cp -p %r %r" % (candidate, appdir)) + try: + # The viewer app bundle does include internal symlinks. Keep them + # as symlinks. + shutil.copytree(candidate, appdir, symlinks=True) + except Exception, err: + # copy failed -- try to restore previous viewer before crumping + type, value, traceback = sys.exc_info() + log("exception response: mv %r %r" % (aside, appdir)) + shutil.move(aside, appdir) + # let our previously-set sys.excepthook handle this + raise type, value, traceback + + status("Clearing cache...") + + # We don't know whether the previous viewer was old-style or + # new-style (Cocoa). Clear both kinds of caches. + for cachesubdir in "SecondLife", BUNDLE_IDENTIFIER: + wildcard = "~/Library/Caches/%s/*" % cachesubdir + log("rm " + wildcard) + for f in glob.glob(os.path.expanduser(wildcard)): + # Don't try to remove subdirs this way + if os.path.isfile(f): + try: + os.remove(f) + except Exception, err: + log("%s removing %s: %s" % (err.__class__.__name__, f, err)) + + status("Cleaning up...") + + log("touch " + appdir) + os.utime(appdir, None) # set to current time + + command = ["open", appdir] + log(' '.join(command)) + subprocess.check_call(command, stdout=LOGF, stderr=subprocess.STDOUT) + + except Exception, err: + # Because we carefully set sys.excepthook -- and even modify it to log + # the problem once we have our log file open -- you might think we + # could just let exceptions propagate. But when we do that, on + # exception in this block, we FIRST restore the no-side-effects fail() + # and THEN implicitly call sys.excepthook(), which calls the (no-side- + # effects) fail(). Explicitly call sys.excepthook() BEFORE restoring + # fail(). Only then do we get the enriched fail() behavior. + sys.excepthook(*sys.exc_info()) + + finally: + # When we leave main() -- for whatever reason -- reset fail() the way + # it was before, because the bound markerfile, markertext params + # passed to this main() call are no longer applicable. + fail = oldfail + +if __name__ == "__main__": + # We expect this script to be invoked with: + # - the pathname to the .dmg we intend to install; + # - the pathname to an update-error marker file to create on failure; + # - the content to write into the marker file; + # - optionally, the pathname of the Second Life viewer to update. + main(*sys.argv[1:]) |