/b-gtk/fix-viz : contents of lock.py at revision 797

: (revision 797)

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from gi.repository import Gtk


RESPONSE_BREAK = 0
RESPONSE_CANCEL = Gtk.ResponseType.CANCEL

READ = "read"
WRITE = "write"


def acquire(branch, lock_type):
    if branch.get_physical_lock_status():
        dialog = LockDialog(branch)
        response = dialog.run()
        dialog.destroy()

        if response == RESPONSE_BREAK:
            branch.break_lock()
        else:
            return False

    if lock_type == READ:
        branch.lock_read()
    elif lock_type == WRITE:
        branch.lock_write()

    return True


def release(branch):
    if branch.get_physical_lock_status():
        dialog = LockDialog(branch)
        response = dialog.run()
        dialog.destroy()

        if response == RESPONSE_BREAK:
            branch.break_lock()
        elif response == RESPONSE_CANCEL:
            return False

    branch.unlock()

    return True


class LockDialog(Gtk.Dialog):

    def __init__(self, branch):
        super(LockDialog, self).__init__()

        self.branch = branch

        self.set_title('Lock Not Held')

        self.get_content_area().add(
            Gtk.Label(label=(
                'This operation cannot be completed as '
                'another application has locked the branch.')))

        self.add_button('Break Lock', RESPONSE_BREAK)
        self.add_button(Gtk.STOCK_CANCEL, RESPONSE_CANCEL)

        self.get_content_area().show_all()

734.1.1 by Curtis Hovey Mechanical changes made by pygi.convert.sh.	1	from gi.repository import Gtk
452.5.2 by Daniel Schierbeck Added generalized locking functionality in lock.py.	2
	3
	4	RESPONSE_BREAK = 0
734.1.1 by Curtis Hovey Mechanical changes made by pygi.convert.sh.	5	RESPONSE_CANCEL = Gtk.ResponseType.CANCEL
452.5.2 by Daniel Schierbeck Added generalized locking functionality in lock.py.	6
712 by Jelmer Vernooij Add lock dialog. (Daniel Schierbeck)	7	READ = "read"
712 by Jelmer Vernooij Add lock dialog. (Daniel Schierbeck)	8	WRITE = "write"
452.5.2 by Daniel Schierbeck Added generalized locking functionality in lock.py.	9
	10
	11	def acquire(branch, lock_type):
	12	if branch.get_physical_lock_status():
	13	dialog = LockDialog(branch)
	14	response = dialog.run()
	15	dialog.destroy()
	16
	17	if response == RESPONSE_BREAK:
	18	branch.break_lock()
	19	else:
	20	return False
	21
	22	if lock_type == READ:
	23	branch.lock_read()
	24	elif lock_type == WRITE:
	25	branch.lock_write()
	26
	27	return True
	28
	29
	30	def release(branch):
	31	if branch.get_physical_lock_status():
	32	dialog = LockDialog(branch)
	33	response = dialog.run()
	34	dialog.destroy()
	35
	36	if response == RESPONSE_BREAK:
	37	branch.break_lock()
	38	elif response == RESPONSE_CANCEL:
	39	return False
	40
	41	branch.unlock()
	42
	43	return True
	44
	45
734.1.1 by Curtis Hovey Mechanical changes made by pygi.convert.sh.	46	class LockDialog(Gtk.Dialog):
452.5.2 by Daniel Schierbeck Added generalized locking functionality in lock.py.	47
	48	def __init__(self, branch):
734.1.51 by Curtis Hovey Fix the initializer for many classes.	49	super(LockDialog, self).__init__()
452.5.2 by Daniel Schierbeck Added generalized locking functionality in lock.py.	50
	51	self.branch = branch
	52
	53	self.set_title('Lock Not Held')
	54
734.1.51 by Curtis Hovey Fix the initializer for many classes.	55	self.get_content_area().add(
	56	Gtk.Label(label=(
	57	'This operation cannot be completed as '
	58	'another application has locked the branch.')))
452.5.2 by Daniel Schierbeck Added generalized locking functionality in lock.py.	59
	60	self.add_button('Break Lock', RESPONSE_BREAK)
734.1.1 by Curtis Hovey Mechanical changes made by pygi.convert.sh.	61	self.add_button(Gtk.STOCK_CANCEL, RESPONSE_CANCEL)
452.5.2 by Daniel Schierbeck Added generalized locking functionality in lock.py.	62
734.1.51 by Curtis Hovey Fix the initializer for many classes.	63	self.get_content_area().show_all()