From: Ed Page <eopage@byu.net>
Date: Thu, 22 Apr 2010 23:11:07 +0000 (-0500)
Subject: Forgot a file
X-Git-Url: http://git.maemo.org/git/?p=gonvert;a=commitdiff_plain;h=9a4deae9fafde632b8dbc301d84d0b2cd75339a1

Forgot a file
---

diff --git a/src/gtk_toolbox.py b/src/gtk_toolbox.py
new file mode 100644
index 0000000..784c871
--- /dev/null
+++ b/src/gtk_toolbox.py
@@ -0,0 +1,577 @@
+#!/usr/bin/python
+
+from __future__ import with_statement
+
+import os
+import errno
+import sys
+import time
+import itertools
+import functools
+import contextlib
+import logging
+import threading
+import Queue
+
+import gobject
+import gtk
+
+
+_moduleLogger = logging.getLogger(__name__)
+
+
+def get_screen_orientation():
+	width, height = gtk.gdk.get_default_root_window().get_size()
+	if width < height:
+		return gtk.ORIENTATION_VERTICAL
+	else:
+		return gtk.ORIENTATION_HORIZONTAL
+
+
+def orientation_change_connect(handler, *args):
+	"""
+	@param handler(orientation, *args) -> None(?)
+	"""
+	initialScreenOrientation = get_screen_orientation()
+	orientationAndArgs = list(itertools.chain((initialScreenOrientation, ), args))
+
+	def _on_screen_size_changed(screen):
+		newScreenOrientation = get_screen_orientation()
+		if newScreenOrientation != orientationAndArgs[0]:
+			orientationAndArgs[0] = newScreenOrientation
+			handler(*orientationAndArgs)
+
+	rootScreen = gtk.gdk.get_default_root_window()
+	return gtk.connect(rootScreen, "size-changed", _on_screen_size_changed)
+
+
+@contextlib.contextmanager
+def flock(path, timeout=-1):
+	WAIT_FOREVER = -1
+	DELAY = 0.1
+	timeSpent = 0
+
+	acquired = False
+
+	while timeSpent <= timeout or timeout == WAIT_FOREVER:
+		try:
+			fd = os.open(path, os.O_CREAT | os.O_EXCL | os.O_RDWR)
+			acquired = True
+			break
+		except OSError, e:
+			if e.errno != errno.EEXIST:
+				raise
+		time.sleep(DELAY)
+		timeSpent += DELAY
+
+	assert acquired, "Failed to grab file-lock %s within timeout %d" % (path, timeout)
+
+	try:
+		yield fd
+	finally:
+		os.unlink(path)
+
+
+@contextlib.contextmanager
+def gtk_lock():
+	gtk.gdk.threads_enter()
+	try:
+		yield
+	finally:
+		gtk.gdk.threads_leave()
+
+
+def find_parent_window(widget):
+	while True:
+		parent = widget.get_parent()
+		if isinstance(parent, gtk.Window):
+			return parent
+		widget = parent
+
+
+def make_idler(func):
+	"""
+	Decorator that makes a generator-function into a function that will continue execution on next call
+	"""
+	a = []
+
+	@functools.wraps(func)
+	def decorated_func(*args, **kwds):
+		if not a:
+			a.append(func(*args, **kwds))
+		try:
+			a[0].next()
+			return True
+		except StopIteration:
+			del a[:]
+			return False
+
+	return decorated_func
+
+
+def asynchronous_gtk_message(original_func):
+	"""
+	@note Idea came from http://www.aclevername.com/articles/python-webgui/
+	"""
+
+	def execute(allArgs):
+		args, kwargs = allArgs
+		with gtk_lock():
+			original_func(*args, **kwargs)
+		return False
+
+	@functools.wraps(original_func)
+	def delayed_func(*args, **kwargs):
+		gobject.idle_add(execute, (args, kwargs))
+
+	return delayed_func
+
+
+def synchronous_gtk_message(original_func):
+	"""
+	@note Idea came from http://www.aclevername.com/articles/python-webgui/
+	"""
+
+	@functools.wraps(original_func)
+	def immediate_func(*args, **kwargs):
+		with gtk_lock():
+			return original_func(*args, **kwargs)
+
+	return immediate_func
+
+
+def autostart(func):
+	"""
+	>>> @autostart
+	... def grep_sink(pattern):
+	... 	print "Looking for %s" % pattern
+	... 	while True:
+	... 		line = yield
+	... 		if pattern in line:
+	... 			print line,
+	>>> g = grep_sink("python")
+	Looking for python
+	>>> g.send("Yeah but no but yeah but no")
+	>>> g.send("A series of tubes")
+	>>> g.send("python generators rock!")
+	python generators rock!
+	>>> g.close()
+	"""
+
+	@functools.wraps(func)
+	def start(*args, **kwargs):
+		cr = func(*args, **kwargs)
+		cr.next()
+		return cr
+
+	return start
+
+
+@autostart
+def printer_sink(format = "%s"):
+	"""
+	>>> pr = printer_sink("%r")
+	>>> pr.send("Hello")
+	'Hello'
+	>>> pr.send("5")
+	'5'
+	>>> pr.send(5)
+	5
+	>>> p = printer_sink()
+	>>> p.send("Hello")
+	Hello
+	>>> p.send("World")
+	World
+	>>> # p.throw(RuntimeError, "Goodbye")
+	>>> # p.send("Meh")
+	>>> # p.close()
+	"""
+	while True:
+		item = yield
+		print format % (item, )
+
+
+@autostart
+def null_sink():
+	"""
+	Good for uses like with cochain to pick up any slack
+	"""
+	while True:
+		item = yield
+
+
+@autostart
+def comap(function, target):
+	"""
+	>>> p = printer_sink()
+	>>> cm = comap(lambda x: x+1, p)
+	>>> cm.send((0, ))
+	1
+	>>> cm.send((1.0, ))
+	2.0
+	>>> cm.send((-2, ))
+	-1
+	"""
+	while True:
+		try:
+			item = yield
+			mappedItem = function(*item)
+			target.send(mappedItem)
+		except Exception, e:
+			_moduleLogger.exception("Forwarding exception!")
+			target.throw(e.__class__, str(e))
+
+
+def _flush_queue(queue):
+	while not queue.empty():
+		yield queue.get()
+
+
+@autostart
+def queue_sink(queue):
+	"""
+	>>> q = Queue.Queue()
+	>>> qs = queue_sink(q)
+	>>> qs.send("Hello")
+	>>> qs.send("World")
+	>>> qs.throw(RuntimeError, "Goodbye")
+	>>> qs.send("Meh")
+	>>> qs.close()
+	>>> print [i for i in _flush_queue(q)]
+	[(None, 'Hello'), (None, 'World'), (<type 'exceptions.RuntimeError'>, 'Goodbye'), (None, 'Meh'), (<type 'exceptions.GeneratorExit'>, None)]
+	"""
+	while True:
+		try:
+			item = yield
+			queue.put((None, item))
+		except Exception, e:
+			queue.put((e.__class__, str(e)))
+		except GeneratorExit:
+			queue.put((GeneratorExit, None))
+			raise
+
+
+def decode_item(item, target):
+	if item[0] is None:
+		target.send(item[1])
+		return False
+	elif item[0] is GeneratorExit:
+		target.close()
+		return True
+	else:
+		target.throw(item[0], item[1])
+		return False
+
+
+def nonqueue_source(queue, target):
+	isDone = False
+	while not isDone:
+		item = queue.get()
+		isDone = decode_item(item, target)
+		while not queue.empty():
+			queue.get_nowait()
+
+
+def threaded_stage(target, thread_factory = threading.Thread):
+	messages = Queue.Queue()
+
+	run_source = functools.partial(nonqueue_source, messages, target)
+	thread = thread_factory(target=run_source)
+	thread.setDaemon(True)
+	thread.start()
+
+	# Sink running in current thread
+	return queue_sink(messages)
+
+
+def log_exception(logger):
+
+	def log_exception_decorator(func):
+
+		@functools.wraps(func)
+		def wrapper(*args, **kwds):
+			try:
+				return func(*args, **kwds)
+			except Exception:
+				logger.exception(func.__name__)
+
+		return wrapper
+
+	return log_exception_decorator
+
+
+class LoginWindow(object):
+
+	def __init__(self, widgetTree):
+		"""
+		@note Thread agnostic
+		"""
+		self._dialog = widgetTree.get_widget("loginDialog")
+		self._parentWindow = widgetTree.get_widget("mainWindow")
+		self._serviceCombo = widgetTree.get_widget("serviceCombo")
+		self._usernameEntry = widgetTree.get_widget("usernameentry")
+		self._passwordEntry = widgetTree.get_widget("passwordentry")
+
+		self._serviceList = gtk.ListStore(gobject.TYPE_INT, gobject.TYPE_STRING)
+		self._serviceCombo.set_model(self._serviceList)
+		cell = gtk.CellRendererText()
+		self._serviceCombo.pack_start(cell, True)
+		self._serviceCombo.add_attribute(cell, 'text', 1)
+		self._serviceCombo.set_active(0)
+
+		widgetTree.get_widget("loginbutton").connect("clicked", self._on_loginbutton_clicked)
+		widgetTree.get_widget("logins_close_button").connect("clicked", self._on_loginclose_clicked)
+
+	def request_credentials(self,
+		parentWindow = None,
+		defaultCredentials = ("", "")
+	):
+		"""
+		@note UI Thread
+		"""
+		if parentWindow is None:
+			parentWindow = self._parentWindow
+
+		self._serviceCombo.hide()
+		self._serviceList.clear()
+
+		self._usernameEntry.set_text(defaultCredentials[0])
+		self._passwordEntry.set_text(defaultCredentials[1])
+
+		try:
+			self._dialog.set_transient_for(parentWindow)
+			self._dialog.set_default_response(gtk.RESPONSE_OK)
+			response = self._dialog.run()
+			if response != gtk.RESPONSE_OK:
+				raise RuntimeError("Login Cancelled")
+
+			username = self._usernameEntry.get_text()
+			password = self._passwordEntry.get_text()
+			self._passwordEntry.set_text("")
+		finally:
+			self._dialog.hide()
+
+		return username, password
+
+	def request_credentials_from(self,
+		services,
+		parentWindow = None,
+		defaultCredentials = ("", "")
+	):
+		"""
+		@note UI Thread
+		"""
+		if parentWindow is None:
+			parentWindow = self._parentWindow
+
+		self._serviceList.clear()
+		for serviceIdserviceName in services:
+			self._serviceList.append(serviceIdserviceName)
+		self._serviceCombo.set_active(0)
+		self._serviceCombo.show()
+
+		self._usernameEntry.set_text(defaultCredentials[0])
+		self._passwordEntry.set_text(defaultCredentials[1])
+
+		try:
+			self._dialog.set_transient_for(parentWindow)
+			self._dialog.set_default_response(gtk.RESPONSE_OK)
+			response = self._dialog.run()
+			if response != gtk.RESPONSE_OK:
+				raise RuntimeError("Login Cancelled")
+
+			username = self._usernameEntry.get_text()
+			password = self._passwordEntry.get_text()
+		finally:
+			self._dialog.hide()
+
+		itr = self._serviceCombo.get_active_iter()
+		serviceId = int(self._serviceList.get_value(itr, 0))
+		self._serviceList.clear()
+		return serviceId, username, password
+
+	def _on_loginbutton_clicked(self, *args):
+		self._dialog.response(gtk.RESPONSE_OK)
+
+	def _on_loginclose_clicked(self, *args):
+		self._dialog.response(gtk.RESPONSE_CANCEL)
+
+
+def safecall(f, errorDisplay=None, default=None, exception=Exception):
+	'''
+	Returns modified f. When the modified f is called and throws an
+	exception, the default value is returned
+	'''
+	def _safecall(*args, **argv):
+		try:
+			return f(*args,**argv)
+		except exception, e:
+			if errorDisplay is not None:
+				errorDisplay.push_exception(e)
+			return default
+	return _safecall
+
+
+class ErrorDisplay(object):
+
+	def __init__(self, widgetTree):
+		super(ErrorDisplay, self).__init__()
+		self.__errorBox = widgetTree.get_widget("errorEventBox")
+		self.__errorDescription = widgetTree.get_widget("errorDescription")
+		self.__errorClose = widgetTree.get_widget("errorClose")
+		self.__parentBox = self.__errorBox.get_parent()
+
+		self.__errorBox.connect("button_release_event", self._on_close)
+
+		self.__messages = []
+		self.__parentBox.remove(self.__errorBox)
+
+	def push_message_with_lock(self, message):
+		with gtk_lock():
+			self.push_message(message)
+
+	def push_message(self, message):
+		self.__messages.append(message)
+		if 1 == len(self.__messages):
+			self.__show_message(message)
+
+	def push_exception_with_lock(self):
+		with gtk_lock():
+			self.push_exception()
+
+	def push_exception(self):
+		userMessage = str(sys.exc_info()[1])
+		self.push_message(userMessage)
+		_moduleLogger.exception(userMessage)
+
+	def pop_message(self):
+		del self.__messages[0]
+		if 0 == len(self.__messages):
+			self.__hide_message()
+		else:
+			self.__errorDescription.set_text(self.__messages[0])
+
+	def _on_close(self, *args):
+		self.pop_message()
+
+	def __show_message(self, message):
+		self.__errorDescription.set_text(message)
+		self.__parentBox.pack_start(self.__errorBox, False, False)
+		self.__parentBox.reorder_child(self.__errorBox, 1)
+
+	def __hide_message(self):
+		self.__errorDescription.set_text("")
+		self.__parentBox.remove(self.__errorBox)
+
+
+class DummyErrorDisplay(object):
+
+	def __init__(self):
+		super(DummyErrorDisplay, self).__init__()
+
+		self.__messages = []
+
+	def push_message_with_lock(self, message):
+		self.push_message(message)
+
+	def push_message(self, message):
+		if 0 < len(self.__messages):
+			self.__messages.append(message)
+		else:
+			self.__show_message(message)
+
+	def push_exception(self, exception = None):
+		userMessage = str(sys.exc_value)
+		_moduleLogger.exception(userMessage)
+
+	def pop_message(self):
+		if 0 < len(self.__messages):
+			self.__show_message(self.__messages[0])
+			del self.__messages[0]
+
+	def __show_message(self, message):
+		_moduleLogger.debug(message)
+
+
+class MessageBox(gtk.MessageDialog):
+
+	def __init__(self, message):
+		parent = None
+		gtk.MessageDialog.__init__(
+			self,
+			parent,
+			gtk.DIALOG_MODAL|gtk.DIALOG_DESTROY_WITH_PARENT,
+			gtk.MESSAGE_ERROR,
+			gtk.BUTTONS_OK,
+			message,
+		)
+		self.set_default_response(gtk.RESPONSE_OK)
+		self.connect('response', self._handle_clicked)
+
+	def _handle_clicked(self, *args):
+		self.destroy()
+
+
+class MessageBox2(gtk.MessageDialog):
+
+	def __init__(self, message):
+		parent = None
+		gtk.MessageDialog.__init__(
+			self,
+			parent,
+			gtk.DIALOG_DESTROY_WITH_PARENT,
+			gtk.MESSAGE_ERROR,
+			gtk.BUTTONS_OK,
+			message,
+		)
+		self.set_default_response(gtk.RESPONSE_OK)
+		self.connect('response', self._handle_clicked)
+
+	def _handle_clicked(self, *args):
+		self.destroy()
+
+
+class PopupCalendar(object):
+
+	def __init__(self, parent, displayDate, title = ""):
+		self._displayDate = displayDate
+
+		self._calendar = gtk.Calendar()
+		self._calendar.select_month(self._displayDate.month, self._displayDate.year)
+		self._calendar.select_day(self._displayDate.day)
+		self._calendar.set_display_options(
+			gtk.CALENDAR_SHOW_HEADING |
+			gtk.CALENDAR_SHOW_DAY_NAMES |
+			gtk.CALENDAR_NO_MONTH_CHANGE |
+			0
+		)
+		self._calendar.connect("day-selected", self._on_day_selected)
+
+		self._popupWindow = gtk.Window()
+		self._popupWindow.set_title(title)
+		self._popupWindow.add(self._calendar)
+		self._popupWindow.set_transient_for(parent)
+		self._popupWindow.set_modal(True)
+		self._popupWindow.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
+		self._popupWindow.set_skip_pager_hint(True)
+		self._popupWindow.set_skip_taskbar_hint(True)
+
+	def run(self):
+		self._popupWindow.show_all()
+
+	def _on_day_selected(self, *args):
+		try:
+			self._calendar.select_month(self._displayDate.month, self._displayDate.year)
+			self._calendar.select_day(self._displayDate.day)
+		except Exception, e:
+			_moduleLogger.exception(e)
+
+
+if __name__ == "__main__":
+	if False:
+		import datetime
+		cal = PopupCalendar(None, datetime.datetime.now())
+		cal._popupWindow.connect("destroy", lambda w: gtk.main_quit())
+		cal.run()
+
+	gtk.main()