def on_spawn_update_entity(self, widget, path=None):
""" Spawns a thread that updates a single entity in the claimtable """
logging.debug("\t-> ClaimTableView.on_spawn_update_entity()")
treemodel = self.treeview.get_model()
if not path:
path = treemodel.get_iter(self.click_path[0])
# Set update colour on row, set tab label to include 'Updating'
self.claimtable.set(path,
self.claimtable.get_n_columns() - 1,
self.options.get("Settings", "update-colour"))
o_tab_text = self.retrieve_tab_text()
self.set_tab_text(o_tab_text + " (Updating)")
queue = Queue.Queue()
threading.Thread(target=self.update_entity_thread, \
args=(queue, path, self.options.get("Settings", "province"))).start()
while True:
gobject.main_context_default().iteration(False)
try:
if queue.get(block=False) == "ERROR":
# Set error colour on row
self.claimtable.set(path, self.claimtable.get_n_columns()-1, \
self.options.get("Settings", "error-colour"))
break
except Queue.Empty:
pass
else:
# Clear colour on row
self.claimtable.set(path,
self.claimtable.get_n_columns() - 1,
"#000000")
break
self.set_tab_text(o_tab_text)
def test():
def counter(max):
for i in range(max):
yield i
def shower(queue):
# Never stop reading the queue:
while True:
try:
cnt = queue.get()
print 'cnt =', cnt
except QueueEmpty:
pass
yield None
print 'Test 1: (should print range 0..22)'
queue = Queue()
c = GIdleThread(counter(23), queue)
s = GIdleThread(shower(queue))
main = gobject.main_context_default()
c.start()
s.start()
s.wait(2)
print 'Test 2: (should only print 22)'
queue = Queue(size=1)
c = GIdleThread(counter(23), queue)
s = GIdleThread(shower(queue))
main = gobject.main_context_default()
c.start(priority=gobject.PRIORITY_DEFAULT)
s.start()
s.wait(3)
def run_server():
"""Run the top-level loop. Returns when this process is no longer
exporting any object references.
"""
while (plash_core.cap_server_exporting() or _reasons_count > 0 or
event_loop.is_listening()):
gobject.main_context_default().iteration()
def glib_poll_fds(fd_flags):
# Emulates poll() (when called with a zero timeout) using a
# one-off call to glib's main loop.
watch_ids = []
ready_fds = []
revoked = False
for fd, flags_requested in fd_flags.iteritems():
def handler(fd_unused, flags_got, fd=fd):
assert not revoked
ready_fds.append((fd, flags_got))
# Keep handler: it gets removed soon after
return True
# The ERROR_FLAGS are optional with glib even though they are
# not optional with poll(). That means naive use of glib
# could result in busy waits if you ignore error conditions on
# FDs.
watch_id = gobject.io_add_watch(
fd, flags_requested | plash.comms.event_loop.ERROR_FLAGS, handler)
watch_ids.append(watch_id)
may_block = False
gobject.main_context_default().iteration(may_block)
revoked = True
for watch_id in watch_ids:
gobject.source_remove(watch_id)
return ready_fds
def test_command_output(self):
term = terminal.TerminalWidget(make_template())
term._current_reader("echo hello\n")
while term._shell.job_controller._awaiting_job is not None:
gobject.main_context_default().iteration(False)
screen = "".join(get_vte_text(term.get_terminal_widget())).rstrip("\n")
self.assertEquals(screen, "$ echo hello\nhello\n$ ")
def test_reading_pending_data(self):
term = terminal.TerminalWidget(make_template())
term._terminal.set_size(100, 100)
data = "".join(itertools.islice((char for i in itertools.count()
for char in str(i)), 3000))
term._process_input("echo %s\n" % data)
while term._shell.job_controller._awaiting_job is not None:
gobject.main_context_default().iteration(False)
screen = "".join(get_vte_text(term.get_terminal_widget())).rstrip("\n")
self.assertEquals(screen, "$ " + data + "\n$ ")
def __cz_link_button_cb (self, widget):
cmd = ["gnome-open", self.link_url]
run = subprocess.Popen(cmd)
returncode = None
while(returncode is None):
gobject.main_context_default ().iteration ()
returncode = run.poll()
widget.set_property("has-focus", False)
def watch_screen(term, expected, timeout=10):
# VTE updates the terminal in the event loop after a
# non-configurable timeout, so we have to work around that.
start_time = time.time()
while time.time() - start_time < timeout:
time.sleep(0.05)
gobject.main_context_default().iteration(False)
vte_text = term.get_terminal_widget().get_text(lambda *args: True)
screen = "".join(vte_text).rstrip("\n")
if screen == expected:
break
return screen
def media_change(self, medium, drive):
"""Callback for media changes"""
#FIXME: make use of DeviceKit/hal
self.transaction.required_medium = medium, drive
self.transaction.paused = True
self.transaction.status = enums.STATUS_WAITING_MEDIUM
while self.transaction.paused:
gobject.main_context_default().iteration()
self.transaction.status = enums.STATUS_DOWNLOADING
if self.transaction.cancelled:
return False
return True
def test_freeing_last_reference(self):
sock_pair = socket.socketpair()
# Junk data should not be read because the connection is
# closed down first.
sock_pair[1].send("junk data")
sock_pair[1].close()
plash_core.cap_make_connection.make_conn2(
plash_core.wrap_fd(sock_pair[0].fileno()), 1, [])
# "may_block=False" argument to iteration() method not supported.
# Adding an idle callback is a workaround.
def idle_callback():
return False # remove callback
gobject.idle_add(idle_callback)
gobject.main_context_default().iteration()
def run(self):
display = self.get_screen().get_display()
cursor = gtk.gdk.Cursor(display, gtk.gdk.CROSSHAIR)
main_context = gobject.main_context_default()
if (gtk.gdk.pointer_grab(self.window, False,
gtk.gdk.BUTTON_RELEASE_MASK, None, cursor) == gtk.gdk.GRAB_SUCCESS):
self.query_clicked = False
self.connect("button-release-event", self.button_release_event_cb)
# Process events until clicked is set by button_release_event_cb.
# We pass in may_block=True since we want to wait if there
# are no events currently.
#
while self.query_clicked is False:
main_context.iteration(True)
toplevel = find_toplevel_at_pointer(display)
if (toplevel == self):
toplevel = None;
self.destroy()
gtk.gdk.flush() # Really release the grab
return toplevel
def wait_for_blocker(blocker):
"""Run a recursive mainloop until blocker is triggered.
@param blocker: event to wait on
@type blocker: L{Blocker}
@since: 0.53
"""
assert wait_for_blocker.loop is None # Avoid recursion
if not blocker.happened:
def quitter():
yield blocker
wait_for_blocker.loop.quit()
Task(quitter(), "quitter")
wait_for_blocker.loop = gobject.MainLoop(
gobject.main_context_default())
try:
debug(_("Entering mainloop, waiting for %s"), blocker)
wait_for_blocker.loop.run()
finally:
wait_for_blocker.loop = None
assert blocker.happened, "Someone quit the main loop!"
check(blocker)
def loop(self):
self.server.start()
self.log.info('Adding io watch')
display_tag = gobject.io_add_watch(
self.conn.conn.get_file_descriptor(),
gobject.IO_IN, self._xpoll
)
try:
context = gobject.main_context_default()
while True:
if context.iteration(True):
try:
# this seems to be crucial part
self.conn.flush()
# Catch some bad X exceptions. Since X is event based, race
# conditions can occur almost anywhere in the code. For
# example, if a window is created and then immediately
# destroyed (before the event handler is evoked), when the
# event handler tries to examine the window properties, it
# will throw a BadWindow exception. We can essentially
# ignore it, since the window is already dead and we've got
# another event in the queue notifying us to clean it up.
except (BadWindow, BadAccess, BadDrawable):
pass
if self._exit:
self.log.info('Got shutdown, Breaking main loop cleanly')
break
finally:
self.log.info('Removing source')
gobject.source_remove(display_tag)
def run(self):
display = self.get_screen().get_display()
cursor = gtk.gdk.Cursor(display, gtk.gdk.CROSSHAIR)
main_context = gobject.main_context_default()
if (gtk.gdk.pointer_grab(self.window, False,
gtk.gdk.BUTTON_RELEASE_MASK, None,
cursor) == gtk.gdk.GRAB_SUCCESS):
self.query_clicked = False
self.connect("button-release-event", self.button_release_event_cb)
# Process events until clicked is set by button_release_event_cb.
# We pass in may_block=True since we want to wait if there
# are no events currently.
#
while self.query_clicked is False:
main_context.iteration(True)
toplevel = find_toplevel_at_pointer(display)
if (toplevel == self):
toplevel = None
self.destroy()
gtk.gdk.flush() # Really release the grab
return toplevel
def loop(self):
self.server.start()
self.log.info('Adding io watch')
display_tag = gobject.io_add_watch(
self.conn.conn.get_file_descriptor(), gobject.IO_IN, self._xpoll)
try:
context = gobject.main_context_default()
while True:
if context.iteration(True):
try:
# this seems to be crucial part
self.conn.flush()
# Catch some bad X exceptions. Since X is event based, race
# conditions can occur almost anywhere in the code. For
# example, if a window is created and then immediately
# destroyed (before the event handler is evoked), when the
# event handler tries to examine the window properties, it
# will throw a BadWindow exception. We can essentially
# ignore it, since the window is already dead and we've got
# another event in the queue notifying us to clean it up.
except (BadWindow, BadAccess, BadDrawable):
pass
if self._exit:
self.log.info('Got shutdown, Breaking main loop cleanly')
break
finally:
self.log.info('Removing source')
gobject.source_remove(display_tag)
def run(self):
global mouse_clicked
global pointer_position
self.display = self.get_display()
cursor = gtk.gdk.Cursor(self.display, gtk.gdk.CROSSHAIR)
main_context = gobject.main_context_default()
self.mouse_clicked = False
self.pointer_position = {}
if (gdk.pointer_grab(self.window, True, gdk.BUTTON_RELEASE_MASK,
None, self.cursors['search'], 0L) == gtk.gdk.GRAB_SUCCESS):
self.connect("button_release_event", self.button_release_event_cb)
self.grabbed = True
# Process events until clicked is set by button_release_event_cb.
# We pass in may_block=True since we want to wait if there
# are no events currently.
#
while self.mouse_clicked is False:
gtk.main_iteration(False) #main_context.iteration(True)
self.destroy()
gtk.gdk.flush() # Really release the grab
toplevel = self.find_window_at_position(self.pointer_position)
if (toplevel == self):
toplevel = None;
return toplevel
def get_vte_text(vte_terminal):
# VTE updates the terminal in the event loop after a
# non-configurable timeout, so we have to work around that.
time.sleep(0.05)
while gobject.main_context_default().iteration(False):
pass
return vte_terminal.get_text(lambda *args: True)
def run(self):
#self.server.start()
display_tag = gobject.io_add_watch(orion.conn.conn.get_file_descriptor(), gobject.IO_IN, orion.conn.xpoll)
try:
context = gobject.main_context_default()
while True:
if context.iteration(True):
try:
# this seems to be crucial part
orion.conn.flush()
# Catch some bad X exceptions. Since X is event based, race
# conditions can occur almost anywhere in the code. For
# example, if a window is created and then immediately
# destroyed (before the event handler is evoked), when the
# event handler tries to examine the window properties, it
# will throw a BadWindow exception. We can essentially
# ignore it, since the window is already dead and we've got
# another event in the queue notifying us to clean it up.
except (xcb.xproto.BadWindow, xcb.xproto.BadAccess):
# TODO: add some logging for this?
pass
if self._exit:
break
finally:
gobject.source_remove(display_tag)
def _conffile(self, current, new):
"""Callback for a config file conflict"""
log.warning("Config file prompt: '%s' (%s)" % (current, new))
self.transaction.config_file_conflict = (current, new)
self.transaction.paused = True
self.transaction.status = enums.STATUS_WAITING_CONFIG_FILE_PROMPT
while self.transaction.paused:
gobject.main_context_default().iteration()
log.debug("Sending config file answer: %s",
self.transaction.config_file_conflict_resolution)
if self.transaction.config_file_conflict_resolution == "replace":
os.write(self.master_fd, "y\n")
elif self.transaction.config_file_conflict_resolution == "keep":
os.write(self.master_fd, "n\n")
self.transaction.config_file_conflict_resolution = None
self.transaction.config_file_conflict = None
self.transaction.status = enums.STATUS_COMMITTING
return True
def test_get_io_err_when_no_reader(self):
"""Check that we get IO_ERR when polling a pipe FD with no reader."""
pipe_read, pipe_write = os.pipe()
os.close(pipe_read)
try:
calls = []
def callback(*args):
calls.append(args)
return False
gobject.io_add_watch(pipe_write,
gobject.IO_OUT |
gobject.IO_ERR | gobject.IO_HUP,
callback)
gobject.main_context_default().iteration()
self.assertEquals(calls, [(pipe_write,
gobject.IO_OUT | gobject.IO_ERR)])
finally:
os.close(pipe_write)
def test_not_reentering_glib_watches(self):
# glib will not re-enter a glib watch while it is active. If
# we run an iteration of the main loop from inside a handler,
# the handler will not be called again. We do not rely on
# this behaviour; in fact, we work around it.
got = []
def handler(fd_unused, flags):
got.append(flags)
may_block = False
gobject.main_context_default().iteration(may_block)
return False
pipe_read, pipe_write = plash.comms.stream.make_pipe()
gobject.io_add_watch(pipe_read, select.POLLIN, handler)
os.write(pipe_write.fileno(), "hello")
may_block = False
gobject.main_context_default().iteration(may_block)
self.assertEquals(len(got), 1)
def __at_async_handler(self, fd, condition, at_command, get_info_from_raw, func):
print "__at_async_handler in"
tt_res = [at_command]
while True :
res = self.serial.readline()
gobject.main_context_default ().iteration ()
if len(res.strip("\r\n")) > 0:
tt_res.append(res.strip("\r\n"))
if res.startswith("OK") or res.startswith("ERROR") or res.startswith("+CME ERROR"):
break
result = [tt_res[0],tt_res[1:-1],tt_res[-1]]
func(get_info_from_raw(result))
print "__at_async_handler out"
self.pause_polling_necesary = False
return False
def on_report(self, element, message):
log.info('%s: %s' % (type(element).__name__, message))
model = self.model
iter = model.append()
model.set_value(iter, PYELEMENT_COLUMN, element)
model.set_value(iter, ELEMENT_COLUMN, type(element).__name__)
model.set_value(iter, REASON_COLUMN, message)
main = gobject.main_context_default()
main.iteration(False)
def update_rss(self):
tmpfile = "/tmp/rss-%i.xml" % int(time.time())
if os.path.exists("/usr/bin/wget"):
cmd = ["wget", self.url, "-O", tmpfile, "-t", "1", "--timeout=10"]
elif os.path.exists("/usr/bin/curl"):
cmd = ["curl", "-o", tmpfile, self.url, "-m", "10"]
else:
return False
returncode = None
run = subprocess.Popen(cmd)
self.downloader_pid = run.pid
while returncode is None:
gobject.main_context_default().iteration()
returncode = run.poll()
if returncode != 0:
self.downloader_pid = None
self.read_cache = self.__load_cache()
return False
self.downloader_pid = None
actualizado = False
if os.path.exists(self.rss_file):
d1 = feedparser.parse(self.rss_file)
d2 = feedparser.parse(tmpfile)
if d2.feed.updated_parsed <= d1.feed.updated_parsed:
self.feed = d1
actualizado = False
else:
subprocess.Popen(["mv", tmpfile, self.rss_file])
self.feed = d2
actualizado = True
else:
subprocess.Popen(["mv", tmpfile, self.rss_file])
self.feed = feedparser.parse(tmpfile)
actualizado = True
self.read_cache = self.__load_cache()
return actualizado
def pulse(self, owner):
"""Callback to update progress information"""
if self.transaction.cancelled:
return False
self.transaction.progress_details = (self.current_items,
self.total_items,
self.current_bytes,
self.total_bytes,
self.current_cps,
self.elapsed_time)
percent = (((self.current_bytes + self.current_items) * 100.0) /
float(self.total_bytes + self.total_items))
progress = int(self.progress_begin + percent/100 * \
(self.progress_end - self.progress_begin))
# If the progress runs backwards emit an illegal progress value
# e.g. during cache updates.
if self.progress > progress:
self.transaction.progress = 101
else:
self.transaction.progress = progress
self.progress = progress
# Show all currently downloaded files
items = set()
for worker in owner.workers:
if not worker.current_item:
continue
self._emit_acquire_item(worker.current_item,
worker.total_size,
worker.current_size)
if worker.current_item.owner.id:
items.add(worker.current_item.owner.id)
else:
items.add(worker.current_item.shortdesc)
if items:
#TRANSLATORS: %s is a list of package names
msg = self.transaction.ngettext("Downloading %(files)s",
"Downloading %(files)s",
len(items)) % {"files":
" ".join(items)}
self.transaction.status_details = msg
while gobject.main_context_default().pending():
gobject.main_context_default().iteration()
return True
def interactive_main():
history = History()
shell = Shell({"history": history})
fds = {FILENO_STDIN: sys.stdin,
FILENO_STDOUT: sys.stdout,
FILENO_STDERR: sys.stderr}
signal.signal(signal.SIGINT, signal.SIG_IGN)
try:
import shell_pyrepl
reader = shell_pyrepl.make_reader(shell.get_prompt, shell.completer,
shell.cwd)
reader.history = [command for command, time, cwd in history]
print "using pyrepl"
except ImportError:
reader = ReadlineReader(shell.get_prompt, shell.completer)
for command, time, cwd in history:
reader.add_history(command)
print "using readline (pyrepl not available)"
should_run = [True]
def read_input():
shell.job_controller.shell_to_foreground()
shell.job_controller.print_messages()
if os.environ.get("TERM") == "xterm":
sys.stdout.write("\x1b]2;%s\x07" % shell.get_title())
sys.stdout.flush()
reader.readline(process_input)
def process_input(line):
if line is None:
sys.stdout.write("\n")
should_run[0] = False
else:
try:
shell.run_command(line, fds)
except Exception:
traceback.print_exc()
shell.job_controller.check_for_done()
shell.job_controller.add_done_handler(read_input)
read_input()
while should_run[0]:
gobject.main_context_default().iteration()
def wait_for_lock(trans, alt_lock=None):
"""Acquire the system lock or the optionally given one. If the lock
cannot be obtained pause the transaction in the meantime.
:param trans: the transaction
:param lock: optional alternative lock
"""
def watch_lock():
"""Helper to unpause the transaction if the lock can be obtained.
Keyword arguments:
trans -- the corresponding transaction
alt_lock -- alternative lock to the system lock
"""
try:
if alt_lock:
alt_lock.acquire()
else:
acquire()
except LockFailedError:
return True
trans.paused = False
return True
try:
if alt_lock:
alt_lock.acquire()
else:
acquire()
except LockFailedError, error:
trans.paused = True
trans.status = enums.STATUS_WAITING_LOCK
if error.process:
#TRANSLATORS: %s is the name of a package manager
msg = trans.gettext("Waiting for %s to exit")
trans.status_details = msg % error.process
lock_watch = gobject.timeout_add_seconds(3, watch_lock)
while trans.paused and not trans.cancelled:
gobject.main_context_default().iteration()
gobject.source_remove(lock_watch)
if trans.cancelled:
raise TransactionCancelled()
def wait(self, timeout=0):
"""Wait until the corouine is finished or return after timeout seconds.
This is achieved by running the GTK+ main loop.
"""
clock = time.clock
start_time = clock()
main = gobject.main_context_default()
while self.is_alive():
main.iteration(False)
if timeout and (clock() - start_time >= timeout):
return
def _init(): global _step, _mainloop if _options[ 'x11' ]: import gtk _step = gtk.main_iteration_do else: _mainloop = gobject.main_context_default() _step = _mainloop.iteration gobject.threads_init()
def _init():
global _step, _mainloop
if _options['x11']:
import gtk
_step = gtk.main_iteration_do
else:
_mainloop = gobject.main_context_default()
_step = _mainloop.iteration
gobject.threads_init()
def pixbuf_cb (buf): data = [buf] status = [] def write_coro (w_plexer): while data: buf = data.pop () handle.write (buf, w_plexer.send ()) yield None _, (_, requested, result, written) = w_plexer.receive () if result: print "Error writing \"%s\": %s" % (uri, result) status.insert (0, False) return if written < requested: data.insert (0, buf[written:]) status.insert (0, True) rb.Coroutine (write_coro).begin () while not status: gobject.main_context_default ().iteration () return status[0]
def wait(self, timeout=0):
"""Wait until the corouine is finished or return after timeout seconds.
This is achieved by running the GTK+ main loop.
"""
clock = time.clock
start_time = clock()
main = gobject.main_context_default()
while self.is_alive():
main.iteration(False)
if timeout and (clock() - start_time >= timeout):
return
def run(self):
'''Start processing the transaction'''
# avoid blocking the user interface
context = gobject.main_context_default()
while context.pending():
context.iteration()
polkit_auth_wrapper(self._method, *self._args)
if not self._exit_handler:
self._main_loop.run()
if self._error_code:
raise PackageKitError(self._error_code, self._error_details)
return self.result
def run(self, url, directory, fn, message=None):
if self.url:
return _("Download already in progress")
self.url = url
self.directory = directory
self.fn = fn
self.done = False
self.err = None
self.bytes_read = -1
self.content_length = 0
self.cancelled = False
thread.start_new_thread(self.thread_func, ())
timeout_id = gobject.timeout_add(500, self.update_progress)
self.update_progress()
# Don't try to be smart and block here using mayblock=True, it won't work
while not self.done:
gobject.main_context_default().iteration(False)
gobject.source_remove(timeout_id)
# Update to 'finished' state
self.update_progress()
while gobject.main_context_default().pending():
gobject.main_context_default().iteration(False)
# Reset state
self.url = None
self.directory = None
self.fn = None
self.done = False
self.bytes_read = -1
self.content_length = 0
return self.err
def run(self, url, directory, fn, message=None):
if self.url:
return _("Download already in progress")
self.url = url
self.directory = directory
self.fn = fn
self.done = False
self.err = None
self.bytes_read = -1
self.content_length = 0
self.cancelled = False
thread.start_new_thread(self.thread_func, ())
timeout_id = gobject.timeout_add(500, self.update_progress)
self.update_progress()
# Don't try to be smart and block here using mayblock=True, it won't work
while not self.done:
gobject.main_context_default().iteration(False)
gobject.source_remove(timeout_id)
# Update to 'finished' state
self.update_progress()
while gobject.main_context_default().pending():
gobject.main_context_default().iteration(False)
# Reset state
self.url = None
self.directory = None
self.fn = None
self.done = False
self.bytes_read = -1
self.content_length = 0
return self.err
def test_setsid_helper(self):
got = []
def callback(pid, status):
got.append((pid, status))
spec1 = {"args": ["sh", "-c", "exit 42"],
"fds": {0: sys.stdin, 1: sys.stdout, 2: sys.stderr}}
spec2 = {"args": ["sh", "-c", "exit 24"],
"fds": {0: sys.stdin, 1: sys.stdout, 2: sys.stderr}}
master_fd, slave_fd = terminal.openpty()
helper_pid, pids = setsid_helper.run([spec1, spec2], slave_fd, callback)
self.assertEquals(len(pids), 2)
gobject.main_context_default().iteration(True)
gobject.main_context_default().iteration(True)
gobject.main_context_default().iteration(True)
statuses = dict(got)
self.assertEquals(set(statuses.keys()), set(pids))
assert os.WIFEXITED(statuses[pids[0]])
assert os.WIFEXITED(statuses[pids[1]])
self.assertEquals(os.WEXITSTATUS(statuses[pids[0]]), 42)
self.assertEquals(os.WEXITSTATUS(statuses[pids[1]]), 24)
# Helper process should exit OK.
pid2, status = os.waitpid(helper_pid, 0)
assert os.WIFEXITED(status)
self.assertEquals(os.WEXITSTATUS(status), 0)
def wait(self, timeout=0):
"""
@summary: Wait until the coroutine is finished or return after timeout seconds.
This is achieved by running the GTK+ main loop.
@param timeout: Timeout to execute the function.
"""
clock = time.clock
start_time = clock()
while self.isAlive():
main = gobject.main_context_default()
main.iteration(False)
if timeout and (clock() - start_time >= timeout):
return False
return True
def __init__(self, useGtk=True):
self.context = gobject.main_context_default()
self.loop = gobject.MainLoop()
posixbase.PosixReactorBase.__init__(self)
if (hasattr(gobject, "pygtk_version") and gobject.pygtk_version >= (2, 3, 91)
and not useGtk):
self.__pending = self.context.pending
self.__iteration = self.context.iteration
self.__crash = self.loop.quit
self.__run = self.loop.run
else:
import gtk
self.__pending = gtk.events_pending
self.__iteration = gtk.main_iteration
self.__crash = _our_mainquit
self.__run = gtk.main
def __init__(self, useGtk=True):
self.context = gobject.main_context_default()
self.loop = gobject.MainLoop()
posixbase.PosixReactorBase.__init__(self)
# pre 2.3.91 the glib iteration and mainloop functions didn't release
# global interpreter lock, thus breaking thread and signal support.
if (hasattr(gobject, "pygtk_version") and gobject.pygtk_version >=
(2, 3, 91) and not useGtk):
self.__pending = self.context.pending
self.__iteration = self.context.iteration
self.__crash = self.loop.quit
self.__run = self.loop.run
else:
import gtk
self.__pending = gtk.events_pending
self.__iteration = gtk.main_iteration
self.__crash = _our_mainquit
self.__run = gtk.main
def wait_for_blocker(self, blocker):
"""Run a recursive mainloop until blocker is triggered.
@param blocker: event to wait on
@type blocker: L{tasks.Blocker}"""
if not blocker.happened:
import gobject
def quitter():
yield blocker
self._loop.quit()
quit = tasks.Task(quitter(), "quitter")
assert self._loop is None # Avoid recursion
self._loop = gobject.MainLoop(gobject.main_context_default())
try:
debug(_("Entering mainloop, waiting for %s"), blocker)
self._loop.run()
finally:
self._loop = None
assert blocker.happened, "Someone quit the main loop!"
tasks.check(blocker)
def shower(queue):
# Never stop reading the queue:
while True:
try:
cnt = queue.get()
print 'cnt =', cnt
except QueueEmpty:
pass
yield None
print 'Test 1: (should print range 0..22)'
queue = Queue()
c = GIdleThread(counter(23), queue)
s = GIdleThread(shower(queue))
main = gobject.main_context_default()
c.start()
s.start()
s.wait(2)
print 'Test 2: (should only print 22)'
queue = Queue(size=1)
c = GIdleThread(counter(23), queue)
s = GIdleThread(shower(queue))
main = gobject.main_context_default()
c.start(priority=gobject.PRIORITY_DEFAULT)
s.start()
s.wait(3)