def __init_general(self, simpack, frame, project=None):
'''General initialization.'''
self.frame = frame
'''The frame that this gui project lives in.'''
assert isinstance(self.frame, garlicsim_wx.Frame)
if isinstance(simpack, garlicsim.misc.SimpackGrokker):
simpack_grokker = simpack
simpack = simpack_grokker.simpack
else:
simpack_grokker = garlicsim.misc.SimpackGrokker(simpack)
self.simpack = simpack
'''The simpack used for this gui project.'''
self.simpack_grokker = simpack_grokker
'''The simpack grokker used for this gui project.'''
self.simpack_wx_grokker = garlicsim_wx.misc.SimpackWxGrokker(simpack)
'''The simpack_wx used for this gui project.'''
self.project = project or garlicsim.Project(simpack_grokker)
'''The project encapsulated in this gui project.'''
assert isinstance(self.project, garlicsim.Project)
### If it's a new project, use `ProcessCruncher` if available: ########
# #
if (not project): # Note this is the project given as an argument
if (crunchers.ProcessCruncher in
simpack_grokker.available_cruncher_types):
self.project.crunching_manager.cruncher_type = \
crunchers.ProcessCruncher
# #
#######################################################################
self.path = None
'''The active path.'''
self.active_node = None
'''The node that is currently displayed onscreen.'''
self.is_playing = False
'''Says whether the simulation is currently playing.'''
self.infinity_job = None
'''
The job of the playing leaf, which should be crunched to infinity.
'''
self.default_buffer = 100
'''
The default clock buffer to crunch from an active node.
For the user it is called "Autocrunch".
'''
self._default_buffer_before_cancellation = None
'''
The value of the default buffer before buffering was cancelled.
When buffering will be enabled again, it will be set to this value.
'''
self.timer_for_playing = thread_timer.ThreadTimer(self.frame)
'''Contains the timer object used when playing the simulation.'''
self.frame.Bind(thread_timer.EVT_THREAD_TIMER, self.__play_next,
self.timer_for_playing)
self.defacto_playing_speed = 4
'''The playing speed that we are actually playing in.'''
self.official_playing_speed = 4
'''
The playing speed that we're "officially" playing in.
The defacto playing speed may deviate from this.
'''
self.standard_playing_speed = 4
'''The reference playing speed. This speed is considered "normal".'''
self.last_tracked_real_time = None
'''
The last tracked time point (real time, not simulation), for playback.
'''
self.pseudoclock = 0
'''
The current pseudoclock.
The pseudoclock is *something like* the clock of the current active
node. But not exactly. We're letting the pseudoclock slide more
smoothly from one node to its neighbor, instead of jumping. This is in
order to make some things smoother in the program. This is also why
it's called "pseudo".
'''
self.default_step_profile = garlicsim.misc.StepProfile(
self.simpack_grokker.default_step_function
)
'''The step profile that will be used be default.'''
self.step_profiles = EmittingOrderedSet(
emitter=None,
items=(self.default_step_profile,)
)
'''An ordered set of step profiles that the user may use.'''
self.step_profiles_to_hues = EmittingWeakKeyDefaultDict(
emitter=None,
default_factory=StepProfileHueDefaultFactory(self),
)
'''Mapping from step profile to hue that represents it in GUI.'''
self._tracked_step_profile = None
self._temp_shell_history = None
self._temp_shell_command_history = None
self._job_and_node_of_recent_fork_by_crunching = None
### Setting up namespace: #############################################
# #
self.namespace = {
'__name__': '__garlicsim_shell__',
# This will become `.__module__` of classes and functions.
'f': frame, 'frame': frame,
'gp': self, 'gui_project': self,
'p': self.project, 'project': self.project,
't': self.project.tree, 'tree': self.project.tree,
'gs': garlicsim, 'garlicsim': garlicsim,
'gs_wx': garlicsim_wx, 'garlicsim_wx': garlicsim_wx,
'wx': wx,
'simpack': self.simpack,
self.simpack.__name__.rsplit('.', 1)[-1]: self.simpack,
}
'''Namespace that will be used in shell and other places.'''
garlicsim_lib = import_tools.import_if_exists('garlicsim_lib',
silent_fail=True)
if garlicsim_lib:
self.namespace.update({
'gs_lib': garlicsim_lib,
'garlicsim_lib': garlicsim_lib,
})
# #
### Finished setting up namespace. ####################################
self.__init_emitters()
self.__init_menu_enablings()
self.emitter_system.top_emitter.emit()
def __init_general(self, simpack, frame, project=None):
'''General initialization.'''
self.frame = frame
'''The frame that this gui project lives in.'''
assert isinstance(self.frame, garlicsim_wx.Frame)
if isinstance(simpack, garlicsim.misc.SimpackGrokker):
simpack_grokker = simpack
simpack = simpack_grokker.simpack
else:
simpack_grokker = garlicsim.misc.SimpackGrokker(simpack)
self.simpack = simpack
'''The simpack used for this gui project.'''
self.simpack_grokker = simpack_grokker
'''The simpack grokker used for this gui project.'''
self.simpack_wx_grokker = garlicsim_wx.misc.SimpackWxGrokker(simpack)
'''The simpack_wx used for this gui project.'''
self.project = project or garlicsim.Project(simpack_grokker)
'''The project encapsulated in this gui project.'''
assert isinstance(self.project, garlicsim.Project)
### If it's a new project, use `ProcessCruncher` if available: ########
# #
if (not project): # Note this is the project given as an argument
if (crunchers.ProcessCruncher
in simpack_grokker.available_cruncher_types):
self.project.crunching_manager.cruncher_type = \
crunchers.ProcessCruncher
# #
#######################################################################
self.path = None
'''The active path.'''
self.active_node = None
'''The node that is currently displayed onscreen.'''
self.is_playing = False
'''Says whether the simulation is currently playing.'''
self.infinity_job = None
'''
The job of the playing leaf, which should be crunched to infinity.
'''
self.default_buffer = 100
'''
The default clock buffer to crunch from an active node.
For the user it is called "Autocrunch".
'''
self._default_buffer_before_cancellation = None
'''
The value of the default buffer before buffering was cancelled.
When buffering will be enabled again, it will be set to this value.
'''
self.timer_for_playing = thread_timer.ThreadTimer(self.frame)
'''Contains the timer object used when playing the simulation.'''
self.frame.Bind(thread_timer.EVT_THREAD_TIMER, self.__play_next,
self.timer_for_playing)
self.defacto_playing_speed = 4
'''The playing speed that we are actually playing in.'''
self.official_playing_speed = 4
'''
The playing speed that we're "officially" playing in.
The defacto playing speed may deviate from this.
'''
self.standard_playing_speed = 4
'''The reference playing speed. This speed is considered "normal".'''
self.last_tracked_real_time = None
'''
The last tracked time point (real time, not simulation), for playback.
'''
self.pseudoclock = 0
'''
The current pseudoclock.
The pseudoclock is *something like* the clock of the current active
node. But not exactly. We're letting the pseudoclock slide more
smoothly from one node to its neighbor, instead of jumping. This is in
order to make some things smoother in the program. This is also why
it's called "pseudo".
'''
self.default_step_profile = garlicsim.misc.StepProfile(
self.simpack_grokker.default_step_function)
'''The step profile that will be used be default.'''
self.step_profiles = EmittingOrderedSet(
emitter=None, items=(self.default_step_profile, ))
'''An ordered set of step profiles that the user may use.'''
self.step_profiles_to_hues = EmittingWeakKeyDefaultDict(
emitter=None,
default_factory=StepProfileHueDefaultFactory(self),
)
'''Mapping from step profile to hue that represents it in GUI.'''
self._tracked_step_profile = None
self._temp_shell_history = None
self._temp_shell_command_history = None
self._job_and_node_of_recent_fork_by_crunching = None
### Setting up namespace: #############################################
# #
self.namespace = {
'__name__': '__garlicsim_shell__',
# This will become `.__module__` of classes and functions.
'f': frame,
'frame': frame,
'gp': self,
'gui_project': self,
'p': self.project,
'project': self.project,
't': self.project.tree,
'tree': self.project.tree,
'gs': garlicsim,
'garlicsim': garlicsim,
'gs_wx': garlicsim_wx,
'garlicsim_wx': garlicsim_wx,
'wx': wx,
'simpack': self.simpack,
self.simpack.__name__.rsplit('.', 1)[-1]: self.simpack,
}
'''Namespace that will be used in shell and other places.'''
garlicsim_lib = import_tools.import_if_exists('garlicsim_lib',
silent_fail=True)
if garlicsim_lib:
self.namespace.update({
'gs_lib': garlicsim_lib,
'garlicsim_lib': garlicsim_lib,
})
# #
### Finished setting up namespace. ####################################
self.__init_emitters()
self.__init_menu_enablings()
self.emitter_system.top_emitter.emit()
class GuiProject(object):
'''Encapsulates a project for use with a wxPython interface.'''
def __init__(self, simpack, frame, project=None):
'''
Construct the gui project.
`simpack` is the simpack (or grokker) to use. `frame` is the frame in
which this gui project will live.
'''
# This is broken down into a few parts.
self.__init_general(simpack, frame, project)
self.__init_gui()
if not self.project.tree.roots:
wx.CallAfter(self.make_state_creation_dialog)
def __init_general(self, simpack, frame, project=None):
'''General initialization.'''
self.frame = frame
'''The frame that this gui project lives in.'''
assert isinstance(self.frame, garlicsim_wx.Frame)
if isinstance(simpack, garlicsim.misc.SimpackGrokker):
simpack_grokker = simpack
simpack = simpack_grokker.simpack
else:
simpack_grokker = garlicsim.misc.SimpackGrokker(simpack)
self.simpack = simpack
'''The simpack used for this gui project.'''
self.simpack_grokker = simpack_grokker
'''The simpack grokker used for this gui project.'''
self.simpack_wx_grokker = garlicsim_wx.misc.SimpackWxGrokker(simpack)
'''The simpack_wx used for this gui project.'''
self.project = project or garlicsim.Project(simpack_grokker)
'''The project encapsulated in this gui project.'''
assert isinstance(self.project, garlicsim.Project)
### If it's a new project, use `ProcessCruncher` if available: ########
# #
if (not project): # Note this is the project given as an argument
if (crunchers.ProcessCruncher in
simpack_grokker.available_cruncher_types):
self.project.crunching_manager.cruncher_type = \
crunchers.ProcessCruncher
# #
#######################################################################
self.path = None
'''The active path.'''
self.active_node = None
'''The node that is currently displayed onscreen.'''
self.is_playing = False
'''Says whether the simulation is currently playing.'''
self.infinity_job = None
'''
The job of the playing leaf, which should be crunched to infinity.
'''
self.default_buffer = 100
'''
The default clock buffer to crunch from an active node.
For the user it is called "Autocrunch".
'''
self._default_buffer_before_cancellation = None
'''
The value of the default buffer before buffering was cancelled.
When buffering will be enabled again, it will be set to this value.
'''
self.timer_for_playing = thread_timer.ThreadTimer(self.frame)
'''Contains the timer object used when playing the simulation.'''
self.frame.Bind(thread_timer.EVT_THREAD_TIMER, self.__play_next,
self.timer_for_playing)
self.defacto_playing_speed = 4
'''The playing speed that we are actually playing in.'''
self.official_playing_speed = 4
'''
The playing speed that we're "officially" playing in.
The defacto playing speed may deviate from this.
'''
self.standard_playing_speed = 4
'''The reference playing speed. This speed is considered "normal".'''
self.last_tracked_real_time = None
'''
The last tracked time point (real time, not simulation), for playback.
'''
self.pseudoclock = 0
'''
The current pseudoclock.
The pseudoclock is *something like* the clock of the current active
node. But not exactly. We're letting the pseudoclock slide more
smoothly from one node to its neighbor, instead of jumping. This is in
order to make some things smoother in the program. This is also why
it's called "pseudo".
'''
self.default_step_profile = garlicsim.misc.StepProfile(
self.simpack_grokker.default_step_function
)
'''The step profile that will be used be default.'''
self.step_profiles = EmittingOrderedSet(
emitter=None,
items=(self.default_step_profile,)
)
'''An ordered set of step profiles that the user may use.'''
self.step_profiles_to_hues = EmittingWeakKeyDefaultDict(
emitter=None,
default_factory=StepProfileHueDefaultFactory(self),
)
'''Mapping from step profile to hue that represents it in GUI.'''
self._tracked_step_profile = None
self._temp_shell_history = None
self._temp_shell_command_history = None
self._job_and_node_of_recent_fork_by_crunching = None
### Setting up namespace: #############################################
# #
self.namespace = {
'__name__': '__garlicsim_shell__',
# This will become `.__module__` of classes and functions.
'f': frame, 'frame': frame,
'gp': self, 'gui_project': self,
'p': self.project, 'project': self.project,
't': self.project.tree, 'tree': self.project.tree,
'gs': garlicsim, 'garlicsim': garlicsim,
'gs_wx': garlicsim_wx, 'garlicsim_wx': garlicsim_wx,
'wx': wx,
'simpack': self.simpack,
self.simpack.__name__.rsplit('.', 1)[-1]: self.simpack,
}
'''Namespace that will be used in shell and other places.'''
garlicsim_lib = import_tools.import_if_exists('garlicsim_lib',
silent_fail=True)
if garlicsim_lib:
self.namespace.update({
'gs_lib': garlicsim_lib,
'garlicsim_lib': garlicsim_lib,
})
# #
### Finished setting up namespace. ####################################
self.__init_emitters()
self.__init_menu_enablings()
self.emitter_system.top_emitter.emit()
# Just for good measure, jiggle all the widgets up.
def __init_emitters(self):
'''Create an emitter system and a bunch of emitters.'''
# todo: not clear that `tree_modified_emitter` means that only data
# changed and not structure.
self.emitter_system = emitters.EmitterSystem()
with self.emitter_system.freeze_cache_rebuilding:
es = self.emitter_system
self.tree_modified_emitter = es.make_emitter(
name='tree_modified',
)
self.tree_modified_on_path_emitter = es.make_emitter(
outputs=(self.tree_modified_emitter,),
name='tree_modified_on_path',
)
self.tree_modified_not_on_path = es.make_emitter(
outputs=(self.tree_modified_emitter,),
name='tree_modified_not_on_path',
)
self.tree_modified_at_unknown_location_emitter = es.make_emitter(
outputs=(
self.tree_modified_on_path_emitter,
self.tree_modified_not_on_path,
),
name='tree_modified_at_unknown_location',
)
self.tree_structure_modified_emitter = es.make_emitter(
outputs=(
self.tree_modified_emitter,
self._update_step_profiles_set,
self._if_forked_by_crunching_recently_switch_to_new_path,
),
name='tree_structure_modified',
)
self.tree_structure_modified_on_path_emitter = es.make_emitter(
outputs=(
self.tree_modified_on_path_emitter,
self.tree_structure_modified_emitter
),
name='tree_structure_modified_on_path',
)
self.tree_structure_modified_not_on_path_emitter = es.make_emitter(
outputs=(
self.tree_modified_not_on_path,
self.tree_structure_modified_emitter
),
name='tree_structure_modified_not_on_path',
)
self.tree_structure_modified_at_unknown_location_emitter = \
es.make_emitter(
outputs=(
self.tree_structure_modified_on_path_emitter,
self.tree_structure_modified_not_on_path_emitter,
self.tree_modified_at_unknown_location_emitter
),
name='tree_structure_modified_at_unknown_location',
)
self.pseudoclock_modified_emitter = es.make_emitter(
name='pseudoclock_modified'
)
self.active_node_changed_emitter = es.make_emitter(
name='active_node_changed'
)
# todo: should possibly take input from
# `pseudoclock_modified_emitter`
self.active_node_modified_emitter = es.make_emitter(
name='active_node_modified'
)
self.active_node_changed_or_modified_emitter = es.make_emitter(
inputs=(
self.active_node_changed_emitter,
self.active_node_modified_emitter,
),
outputs=(self.__check_if_step_profile_changed,),
name='active_node_changed_or_modified'
)
self.active_step_profile_changed_emitter = es.make_emitter(
name='active_step_profile_changed'
)
self.path_changed_emitter = es.make_emitter(
name='path_changed'
)
self.path_contents_changed_emitter = es.make_emitter(
inputs=(
self.path_changed_emitter,
self.tree_modified_on_path_emitter
),
name='path_contents_changed',
)
self.playing_toggled_emitter = es.make_emitter(
name='playing_toggled',
)
self.playing_started_emitter = es.make_emitter(
outputs=(self.playing_toggled_emitter,),
name='playing_started',
)
self.playing_stopped_emitter = es.make_emitter(
outputs=(self.playing_toggled_emitter,),
name='playing_stopped',
)
self.official_playing_speed_modified_emitter = es.make_emitter(
outputs=(self.update_defacto_playing_speed,),
name='official_playing_speed_modified',
)
self.active_node_finalized_emitter = es.make_emitter(
inputs=(self.active_node_modified_emitter,),
outputs=(self.tree_modified_on_path_emitter,), # todo: correct?
name='active_node_finalized',
)
#todo: maybe need an emitter for when editing a state?
###################################################################
self.default_buffer_modified_emitter = es.make_emitter(
name='default_buffer_modified',
)
self.step_profiles_set_modified_emitter = es.make_emitter(
outputs=(
self.frame.menu_bar.node_menu.\
fork_by_crunching_using_menu._recalculate,
self.frame.context_menu.\
fork_by_crunching_using_menu._recalculate
),
name='step_profiles_set_modified'
)
self.step_profiles.set_emitter(
self.step_profiles_set_modified_emitter
)
self.step_profiles_to_hues_modified_emitter = es.make_emitter(
name='step_profiles_to_hues_modified',
)
self.step_profiles_to_hues.set_emitter(
self.step_profiles_to_hues_modified_emitter
)
self.all_menus_need_recalculation_emitter = es.make_emitter(
outputs=(self.frame._recalculate_all_menus,),
name='all_menus_need_recalculation_emitter'
)
self.cruncher_type_changed_emitter = es.make_emitter(
name='cruncher_type_changed_emitter'
)
def __init_menu_enablings(self):
'''Connect the functions that (en/dis)able menus to the emitters.'''
for menu in [self.frame.menu_bar.node_menu,
self.frame.menu_bar.block_menu]:
self.active_node_changed_or_modified_emitter.add_output(
menu._recalculate
)
def __init_gui(self):
'''
Initialization related to the widgets which make up the gui project.
'''
self.frame.Bind(wx.EVT_MENU, self.on_fork_by_editing_menu_item,
id=s2i("Fork by editing"))
self.frame.Bind(wx.EVT_MENU, self.on_fork_by_crunching_menu_item,
id=s2i("Fork by crunching"))
def on_fork_by_crunching_menu_item(self, event):
'''Event handler for "Fork by crunching" menu item.'''
self.fork_by_crunching()
def on_fork_by_editing_menu_item(self, event):
'''Event handler for "Fork by editing" menu item.'''
self.fork_by_editing()
def set_path(self, path):
'''Set the path to `path`.'''
self.path = path
self.path_changed_emitter.emit()
def set_official_playing_speed(self, value):
'''Set the official playing speed.'''
self.official_playing_speed = value
self.official_playing_speed_modified_emitter.emit()
def _set_pseudoclock(self, value):
'''Set the pseudoclock. Internal use.'''
if self.pseudoclock != value:
self.pseudoclock = value
self.pseudoclock_modified_emitter.emit()
def set_pseudoclock(self, desired_pseudoclock,
rounding=binary_search.LOW_OTHERWISE_HIGH):
'''
Attempt to set the pseudoclock to a desired value.
If value is outside the range of the current path, you'll get the clock
of the closest edge node.
The active node will be changed to one which is close to the
`desired_pseudoclock`. In `rounding` use
`binary_search.LOW_OTHERWISE_HIGH` to get the node just below, or
`binary_search.HIGH_OTHERWISE_LOW` to get the node just above.
See documentation for these two options for more details.
'''
# todo: check that everything that should use this does use this
assert rounding in (binary_search.LOW_OTHERWISE_HIGH,
binary_search.HIGH_OTHERWISE_LOW)
both_nodes = self.path.get_node_by_clock(desired_pseudoclock,
rounding=binary_search.BOTH)
binary_search_profile = binary_search.BinarySearchProfile(
self.path,
lambda node: node.state.clock,
desired_pseudoclock,
both_nodes
)
node = binary_search_profile.results[rounding]
if node is None:
return # todo: Not sure if I should raise something
self._set_active_node(node)
if binary_search_profile.is_surrounded:
self._set_pseudoclock(desired_pseudoclock)
else:
self._set_pseudoclock(node.state.clock)
self.project.ensure_buffer(node, clock_buffer=self.default_buffer)
def set_default_buffer(self, default_buffer):
'''Set the default buffer, saying how far we should crunch ahead.'''
self.default_buffer = default_buffer
if self.active_node:
self.project.ensure_buffer(self.active_node,
clock_buffer=self.default_buffer)
self.default_buffer_modified_emitter.emit()
def round_pseudoclock_to_active_node(self):
'''Set the value of the pseudoclock to the clock of the active node.'''
self._set_pseudoclock(self.active_node.state.clock)
def update_defacto_playing_speed(self):
'''Update the defacto playing speed to the official playing speed.'''
# In the future this will check if someone's temporarily tweaking the
# defacto speed, and let that override.
self.defacto_playing_speed = self.official_playing_speed
def make_state_creation_dialog(self):
'''Create a dialog for creating a root state.'''
Dialog = self.simpack_wx_grokker.settings.STATE_CREATION_DIALOG
dialog = Dialog(self.frame)
try:
state = dialog.start()
finally:
dialog.Destroy()
if state:
root = self.project.root_this_state(state)
self.tree_structure_modified_not_on_path_emitter.emit()
self.set_active_node(root)
self.frame.SetFocus()
def get_active_state(self):
'''Get the active state, i.e. the state of the active node.'''
return self.active_node.state if self.active_node else None
def get_active_step_profile(self):
'''Get the active step profile, i.e. step profile of active node.'''
return self.active_node.step_profile if self.active_node else None
def _set_active_node(self, node):
'''Set the active node, displaying it onscreen. Internal use.'''
if self.active_node is not node:
self.active_node = node
self.active_node_changed_emitter.emit()
def set_active_node(self, node, modify_path=True):
'''
Set the active node, displaying it onscreen.
This will change the pseudoclock to the clock of the node.
if `modify_path` is True, the method will modify the path to go through
the node, if it doesn't already.
'''
self.project.ensure_buffer(node, clock_buffer=self.default_buffer)
if self.active_node is node:
return
was_playing = self.is_playing # todo: consider cancelling this
if self.is_playing: self.stop_playing()
self._set_active_node(node)
self._set_pseudoclock(node.state.clock)
if was_playing:
self.start_playing()
if modify_path:
self.__modify_path_to_include_active_node()
if modify_path and was_playing:
if self.infinity_job:
self.infinity_job.crunching_profile.clock_target = \
self.infinity_job.node.state.clock + self.default_buffer
self.infinity_job = \
self.project.ensure_buffer_on_path(node,
self.path,
infinity)
def __modify_path_to_include_active_node(self):
'''Ensure that `.path` includes the active node.'''
if self.path is None:
self.set_path(self.active_node.make_containing_path())
else:
self.path.modify_to_include_node(self.active_node)
self.path_changed_emitter.emit()
def start_playing(self):
'''Start playback of the simulation.'''
if self.is_playing:
return
if self.active_node is None:
return
self.is_playing = True
self.infinity_job = \
self.project.ensure_buffer_on_path(self.active_node, self.path,
infinity)
self.timer_for_playing.Start(1000//25)
assert self.last_tracked_real_time == None
self.round_pseudoclock_to_active_node()
self.last_tracked_real_time = time.time()
self.playing_started_emitter.emit()
# todo: maybe should start a call of __play_next right here, to save
# 25ms delay on the first frame?
def stop_playing(self):
'''Stop playback of the simulation.'''
if self.is_playing is False:
return
try:
self.timer_for_playing.Stop()
except Exception: # todo: Find out the type
pass
self.is_playing = False
if self.infinity_job:
self.infinity_job.crunching_profile.clock_target = \
self.infinity_job.node.state.clock + self.default_buffer
self.last_tracked_real_time = None
self.round_pseudoclock_to_active_node()
self.project.ensure_buffer(self.active_node, self.default_buffer)
self.playing_stopped_emitter.emit()
def editing_state(self):
'''
Get a state suitable for editing.
If the current active node is "still in editing", returns its state. If
not, forks the tree with the active node as a template and returns the
newly created state.
'''
node = self.active_node
state = node.state
if (node.touched is False) or (node.still_in_editing is False):
new_node = self.fork_by_editing()
return new_node.state
else:
return state
def toggle_playing(self):
'''Toggle the onscreen playback of the simulation.'''
return self.stop_playing() if self.is_playing else self.start_playing()
def __play_next(self, event=None):
'''
Show the next node onscreen.
This method is called repeatedly when playing the simulation.
'''
if self.is_playing is False: return
current_real_time = time.time()
real_time_elapsed = (current_real_time - self.last_tracked_real_time)
desired_pseudoclock = \
self.pseudoclock + \
(real_time_elapsed * self.defacto_playing_speed)
rounding = binary_search.LOW_OTHERWISE_HIGH \
if self.defacto_playing_speed > 0 \
else binary_search.HIGH_OTHERWISE_LOW
self.set_pseudoclock(desired_pseudoclock, rounding)
self.last_tracked_real_time = current_real_time
def fork_by_crunching(self, *args, **kwargs):
'''
Fork the simulation from the active node.
Used for forking the simulation without modifying any states. Creates
a new node from the active node via natural simulation.
Any `*args` or `**kwargs` will be packed in a `StepProfile` object and
passed to the step function. You may pass a `StepProfile` yourself, as
the only argument, and it will be noticed and used. If nothing is
passed in `*args` or `**kwargs`, the step profile of the active node
will be used, unless it doesn't have a step profile, in which case the
default step profile will be used.
Returns the job.
'''
#todo: maybe not let to do it from unfinalized touched node?
if not args and not kwargs and self.active_node.step_profile:
step_profile = self.active_node.step_profile
elif args or kwargs:
parse_arguments_to_step_profile = \
garlicsim.misc.StepProfile.build_parser(
self.active_node.step_profile.step_function if
self.active_node.step_profile else
self.simpack_grokker.default_step_function
)
step_profile = parse_arguments_to_step_profile(*args, **kwargs)
else:
assert not self.active_node.step_profile
step_profile = self.default_step_profile
job = self.project.begin_crunching(self.active_node,
self.default_buffer or 1,
step_profile)
self._job_and_node_of_recent_fork_by_crunching = (job,
self.active_node)
return job
def fork_by_editing(self):
'''
Fork the simulation from the active node by editing.
Returns the new node.
'''
# todo: event argument is bad, in other places too
# todo: maybe not restrict it to "from_active_node"?
new_node = \
self.project.tree.fork_to_edit(template_node=self.active_node)
self.tree_structure_modified_on_path_emitter.emit()
self.set_active_node(new_node)
return new_node
def sync_crunchers(self):
'''
Take work from the crunchers, and give them new instructions if needed.
(This is a wrapper for `Project.sync_crunchers()` with some gui-related
additions.)
Talks with all the crunchers, takes work from them for implementing
into the tree, retiring crunchers or recruiting new crunchers as
necessary.
Returns the total amount of nodes that were added to the tree in the
process.
'''
# This method basically has two tasks. The first one is to take work
# from the crunchers and retire/recruit/redirect them as necessary.
# This is done by `Project.sync_crunchers`, which we call here, so
# that's not the tricky part here.
#
# The second task is the tricky part. We want to know just how much the
# tree was modified during this action. And the tricky thing is that
# `Project.sync_crunchers` won't do that for us, so we're going to have
# to try to deduce how much the tree modified ourselves, just by
# looking at the `jobs` list before and after calling
# `Project.sync_crunchers`.
#
# And when I say "to know how much the tree modified", I mean mainly to
# know if the modification is a structural modification, or just some
# blocks getting fatter. And the reason we want to know this is so
# we'll know whether to update various workspace widgets.
jobs = self.project.crunching_manager.jobs
jobs_to_nodes = dict((job, job.node) for job in jobs)
added_nodes = self.project.sync_crunchers()
# This is the heavy line here, which actually executes the Project's
# `sync_crunchers` function.
if any(
(job not in jobs) or \
(job.node.soft_get_block() is not old_node.soft_get_block())
for job, old_node in jobs_to_nodes.iteritems()
):
# What does this codition mean?
#
# It means that there is at least one job that either:
# (a) Was removed from the jobs list, or
# (b) Changed the soft block it's pointing to.
#
# The thing is, if there was a structural modification in the tree,
# this condition must be `True`. So we report a structure
# modification:
self.tree_structure_modified_at_unknown_location_emitter.emit()
# Even though we are not sure that the tree structure was modified.
# We have to play it safe. And since this condition doesn't happen
# most of the time when crunching, we're not wasting too much
# rendering time by assuming this is a structural modification.
# Note that we didn't check if `added_nodes > 0`: This is because
# if an `End` was added to the tree, it wouldn't have been counted
# in `added_nodes`.
elif added_nodes > 0:
# If this condition is `True`, we know as a fact that there was no
# structural modification, and we know as a fact that some blocks
# have gotten fatter.
self.tree_modified_at_unknown_location_emitter.emit()
# todo: It would be hard but nice to know whether the tree changes were
# on the path. This could save some rendering on `SeekBar`.
return added_nodes
def finalize_active_node(self):
'''Finalize the changes made to the active node.'''
self.active_node.finalize()
self.active_node_finalized_emitter.emit()
self.project.ensure_buffer(self.active_node, self.default_buffer)
def _update_step_profiles_set(self):
'''Update the step profiles set to include ones used in the tree.'''
self.step_profiles |= self.project.tree.get_step_profiles()
def __check_if_step_profile_changed(self):
'''Check if the active step profile has changed.'''
active_step_profile = self.get_active_step_profile()
if active_step_profile != self._tracked_step_profile:
self._tracked_step_profile = active_step_profile
self.active_step_profile_changed_emitter.emit()
def _if_forked_by_crunching_recently_switch_to_new_path(self):
'''If user did "fork by crunching" and new path is ready, switch to.'''
if self._job_and_node_of_recent_fork_by_crunching:
job, old_node = self._job_and_node_of_recent_fork_by_crunching
new_node = job.node
if new_node is not old_node:
new_path = new_node.make_containing_path()
assert old_node in new_path
# Cause `new_node` was born out of `old_node`.
self.set_path(new_path)
self._job_and_node_of_recent_fork_by_crunching = None
def __reduce__(self):
my_dict = dict(self.__dict__)
del my_dict['frame']
del my_dict['timer_for_playing']
del my_dict['simpack_grokker']
del my_dict['simpack_wx_grokker']
# Getting rid of emitter:
del my_dict['step_profiles']
my_dict['step_profiles'] = list(self.step_profiles)
# Getting rid of emitter and default factory:
del my_dict['step_profiles_to_hues']
my_dict['step_profiles_to_hues'] = dict(self.step_profiles_to_hues)
if self.frame.shell:
my_dict['_temp_shell_history'] = self.frame.shell.GetText()
my_dict['_temp_shell_command_history'] = \
self.frame.shell.history[:]
my_namespace = my_dict['namespace'] = my_dict['namespace'].copy()
try:
del my_namespace['__builtins__']
except KeyError:
pass
for (key, value) in my_dict.items():
if isinstance(value, emitters.Emitter) or \
isinstance(value, emitters.EmitterSystem):
del my_dict[key]
return (
GuiProject._reconstruct,
(self.simpack, self.project),
my_dict
)
def __setstate__(self, my_dict):
isinstance(my_dict, dict)
if 'step_profiles' in my_dict:
self.step_profiles.clear()
self.step_profiles |= my_dict.pop('step_profiles')
# todo: Last line not idiomatic
if 'step_profiles_to_hues' in my_dict:
self.step_profiles_to_hues.clear()
self.step_profiles_to_hues.update(
my_dict.pop('step_profiles_to_hues')
)
if 'namespace' in my_dict:
pickled_namespace = my_dict.pop('namespace')
pickled_namespace.update(self.namespace)
self.namespace.update(pickled_namespace)
for (key, value) in my_dict.iteritems():
setattr(self, key, value)
@staticmethod
def _reconstruct(simpack, project):
'''Reconstruct a pickled gui project.'''
frame = garlicsim_wx._active_frame
# todo: Make Frame inherit from some "InstanceHolder" instead
gui_project = GuiProject(simpack, frame, project)
return gui_project
class GuiProject(object):
'''Encapsulates a project for use with a wxPython interface.'''
def __init__(self, simpack, frame, project=None):
'''
Construct the gui project.
`simpack` is the simpack (or grokker) to use. `frame` is the frame in
which this gui project will live.
'''
# This is broken down into a few parts.
self.__init_general(simpack, frame, project)
self.__init_gui()
if not self.project.tree.roots:
wx.CallAfter(self.make_state_creation_dialog)
def __init_general(self, simpack, frame, project=None):
'''General initialization.'''
self.frame = frame
'''The frame that this gui project lives in.'''
assert isinstance(self.frame, garlicsim_wx.Frame)
if isinstance(simpack, garlicsim.misc.SimpackGrokker):
simpack_grokker = simpack
simpack = simpack_grokker.simpack
else:
simpack_grokker = garlicsim.misc.SimpackGrokker(simpack)
self.simpack = simpack
'''The simpack used for this gui project.'''
self.simpack_grokker = simpack_grokker
'''The simpack grokker used for this gui project.'''
self.simpack_wx_grokker = garlicsim_wx.misc.SimpackWxGrokker(simpack)
'''The simpack_wx used for this gui project.'''
self.project = project or garlicsim.Project(simpack_grokker)
'''The project encapsulated in this gui project.'''
assert isinstance(self.project, garlicsim.Project)
### If it's a new project, use `ProcessCruncher` if available: ########
# #
if (not project): # Note this is the project given as an argument
if (crunchers.ProcessCruncher
in simpack_grokker.available_cruncher_types):
self.project.crunching_manager.cruncher_type = \
crunchers.ProcessCruncher
# #
#######################################################################
self.path = None
'''The active path.'''
self.active_node = None
'''The node that is currently displayed onscreen.'''
self.is_playing = False
'''Says whether the simulation is currently playing.'''
self.infinity_job = None
'''
The job of the playing leaf, which should be crunched to infinity.
'''
self.default_buffer = 100
'''
The default clock buffer to crunch from an active node.
For the user it is called "Autocrunch".
'''
self._default_buffer_before_cancellation = None
'''
The value of the default buffer before buffering was cancelled.
When buffering will be enabled again, it will be set to this value.
'''
self.timer_for_playing = thread_timer.ThreadTimer(self.frame)
'''Contains the timer object used when playing the simulation.'''
self.frame.Bind(thread_timer.EVT_THREAD_TIMER, self.__play_next,
self.timer_for_playing)
self.defacto_playing_speed = 4
'''The playing speed that we are actually playing in.'''
self.official_playing_speed = 4
'''
The playing speed that we're "officially" playing in.
The defacto playing speed may deviate from this.
'''
self.standard_playing_speed = 4
'''The reference playing speed. This speed is considered "normal".'''
self.last_tracked_real_time = None
'''
The last tracked time point (real time, not simulation), for playback.
'''
self.pseudoclock = 0
'''
The current pseudoclock.
The pseudoclock is *something like* the clock of the current active
node. But not exactly. We're letting the pseudoclock slide more
smoothly from one node to its neighbor, instead of jumping. This is in
order to make some things smoother in the program. This is also why
it's called "pseudo".
'''
self.default_step_profile = garlicsim.misc.StepProfile(
self.simpack_grokker.default_step_function)
'''The step profile that will be used be default.'''
self.step_profiles = EmittingOrderedSet(
emitter=None, items=(self.default_step_profile, ))
'''An ordered set of step profiles that the user may use.'''
self.step_profiles_to_hues = EmittingWeakKeyDefaultDict(
emitter=None,
default_factory=StepProfileHueDefaultFactory(self),
)
'''Mapping from step profile to hue that represents it in GUI.'''
self._tracked_step_profile = None
self._temp_shell_history = None
self._temp_shell_command_history = None
self._job_and_node_of_recent_fork_by_crunching = None
### Setting up namespace: #############################################
# #
self.namespace = {
'__name__': '__garlicsim_shell__',
# This will become `.__module__` of classes and functions.
'f': frame,
'frame': frame,
'gp': self,
'gui_project': self,
'p': self.project,
'project': self.project,
't': self.project.tree,
'tree': self.project.tree,
'gs': garlicsim,
'garlicsim': garlicsim,
'gs_wx': garlicsim_wx,
'garlicsim_wx': garlicsim_wx,
'wx': wx,
'simpack': self.simpack,
self.simpack.__name__.rsplit('.', 1)[-1]: self.simpack,
}
'''Namespace that will be used in shell and other places.'''
garlicsim_lib = import_tools.import_if_exists('garlicsim_lib',
silent_fail=True)
if garlicsim_lib:
self.namespace.update({
'gs_lib': garlicsim_lib,
'garlicsim_lib': garlicsim_lib,
})
# #
### Finished setting up namespace. ####################################
self.__init_emitters()
self.__init_menu_enablings()
self.emitter_system.top_emitter.emit()
# Just for good measure, jiggle all the widgets up.
def __init_emitters(self):
'''Create an emitter system and a bunch of emitters.'''
# todo: not clear that `tree_modified_emitter` means that only data
# changed and not structure.
self.emitter_system = emitters.EmitterSystem()
with self.emitter_system.freeze_cache_rebuilding:
es = self.emitter_system
self.tree_modified_emitter = es.make_emitter(
name='tree_modified', )
self.tree_modified_on_path_emitter = es.make_emitter(
outputs=(self.tree_modified_emitter, ),
name='tree_modified_on_path',
)
self.tree_modified_not_on_path = es.make_emitter(
outputs=(self.tree_modified_emitter, ),
name='tree_modified_not_on_path',
)
self.tree_modified_at_unknown_location_emitter = es.make_emitter(
outputs=(
self.tree_modified_on_path_emitter,
self.tree_modified_not_on_path,
),
name='tree_modified_at_unknown_location',
)
self.tree_structure_modified_emitter = es.make_emitter(
outputs=(
self.tree_modified_emitter,
self._update_step_profiles_set,
self._if_forked_by_crunching_recently_switch_to_new_path,
),
name='tree_structure_modified',
)
self.tree_structure_modified_on_path_emitter = es.make_emitter(
outputs=(self.tree_modified_on_path_emitter,
self.tree_structure_modified_emitter),
name='tree_structure_modified_on_path',
)
self.tree_structure_modified_not_on_path_emitter = es.make_emitter(
outputs=(self.tree_modified_not_on_path,
self.tree_structure_modified_emitter),
name='tree_structure_modified_not_on_path',
)
self.tree_structure_modified_at_unknown_location_emitter = \
es.make_emitter(
outputs=(
self.tree_structure_modified_on_path_emitter,
self.tree_structure_modified_not_on_path_emitter,
self.tree_modified_at_unknown_location_emitter
),
name='tree_structure_modified_at_unknown_location',
)
self.pseudoclock_modified_emitter = es.make_emitter(
name='pseudoclock_modified')
self.active_node_changed_emitter = es.make_emitter(
name='active_node_changed')
# todo: should possibly take input from
# `pseudoclock_modified_emitter`
self.active_node_modified_emitter = es.make_emitter(
name='active_node_modified')
self.active_node_changed_or_modified_emitter = es.make_emitter(
inputs=(
self.active_node_changed_emitter,
self.active_node_modified_emitter,
),
outputs=(self.__check_if_step_profile_changed, ),
name='active_node_changed_or_modified')
self.active_step_profile_changed_emitter = es.make_emitter(
name='active_step_profile_changed')
self.path_changed_emitter = es.make_emitter(name='path_changed')
self.path_contents_changed_emitter = es.make_emitter(
inputs=(self.path_changed_emitter,
self.tree_modified_on_path_emitter),
name='path_contents_changed',
)
self.playing_toggled_emitter = es.make_emitter(
name='playing_toggled', )
self.playing_started_emitter = es.make_emitter(
outputs=(self.playing_toggled_emitter, ),
name='playing_started',
)
self.playing_stopped_emitter = es.make_emitter(
outputs=(self.playing_toggled_emitter, ),
name='playing_stopped',
)
self.official_playing_speed_modified_emitter = es.make_emitter(
outputs=(self.update_defacto_playing_speed, ),
name='official_playing_speed_modified',
)
self.active_node_finalized_emitter = es.make_emitter(
inputs=(self.active_node_modified_emitter, ),
outputs=(
self.tree_modified_on_path_emitter, ), # todo: correct?
name='active_node_finalized',
)
#todo: maybe need an emitter for when editing a state?
###################################################################
self.default_buffer_modified_emitter = es.make_emitter(
name='default_buffer_modified', )
self.step_profiles_set_modified_emitter = es.make_emitter(
outputs=(
self.frame.menu_bar.node_menu.\
fork_by_crunching_using_menu._recalculate,
self.frame.context_menu.\
fork_by_crunching_using_menu._recalculate
),
name='step_profiles_set_modified'
)
self.step_profiles.set_emitter(
self.step_profiles_set_modified_emitter)
self.step_profiles_to_hues_modified_emitter = es.make_emitter(
name='step_profiles_to_hues_modified', )
self.step_profiles_to_hues.set_emitter(
self.step_profiles_to_hues_modified_emitter)
self.all_menus_need_recalculation_emitter = es.make_emitter(
outputs=(self.frame._recalculate_all_menus, ),
name='all_menus_need_recalculation_emitter')
self.cruncher_type_changed_emitter = es.make_emitter(
name='cruncher_type_changed_emitter')
def __init_menu_enablings(self):
'''Connect the functions that (en/dis)able menus to the emitters.'''
for menu in [
self.frame.menu_bar.node_menu, self.frame.menu_bar.block_menu
]:
self.active_node_changed_or_modified_emitter.add_output(
menu._recalculate)
def __init_gui(self):
'''
Initialization related to the widgets which make up the gui project.
'''
self.frame.Bind(wx.EVT_MENU,
self.on_fork_by_editing_menu_item,
id=s2i("Fork by editing"))
self.frame.Bind(wx.EVT_MENU,
self.on_fork_by_crunching_menu_item,
id=s2i("Fork by crunching"))
def on_fork_by_crunching_menu_item(self, event):
'''Event handler for "Fork by crunching" menu item.'''
self.fork_by_crunching()
def on_fork_by_editing_menu_item(self, event):
'''Event handler for "Fork by editing" menu item.'''
self.fork_by_editing()
def set_path(self, path):
'''Set the path to `path`.'''
self.path = path
self.path_changed_emitter.emit()
def set_official_playing_speed(self, value):
'''Set the official playing speed.'''
self.official_playing_speed = value
self.official_playing_speed_modified_emitter.emit()
def _set_pseudoclock(self, value):
'''Set the pseudoclock. Internal use.'''
if self.pseudoclock != value:
self.pseudoclock = value
self.pseudoclock_modified_emitter.emit()
def set_pseudoclock(self,
desired_pseudoclock,
rounding=binary_search.LOW_OTHERWISE_HIGH):
'''
Attempt to set the pseudoclock to a desired value.
If value is outside the range of the current path, you'll get the clock
of the closest edge node.
The active node will be changed to one which is close to the
`desired_pseudoclock`. In `rounding` use
`binary_search.LOW_OTHERWISE_HIGH` to get the node just below, or
`binary_search.HIGH_OTHERWISE_LOW` to get the node just above.
See documentation for these two options for more details.
'''
# todo: check that everything that should use this does use this
assert rounding in (binary_search.LOW_OTHERWISE_HIGH,
binary_search.HIGH_OTHERWISE_LOW)
both_nodes = self.path.get_node_by_clock(desired_pseudoclock,
rounding=binary_search.BOTH)
binary_search_profile = binary_search.BinarySearchProfile(
self.path, lambda node: node.state.clock, desired_pseudoclock,
both_nodes)
node = binary_search_profile.results[rounding]
if node is None:
return # todo: Not sure if I should raise something
self._set_active_node(node)
if binary_search_profile.is_surrounded:
self._set_pseudoclock(desired_pseudoclock)
else:
self._set_pseudoclock(node.state.clock)
self.project.ensure_buffer(node, clock_buffer=self.default_buffer)
def set_default_buffer(self, default_buffer):
'''Set the default buffer, saying how far we should crunch ahead.'''
self.default_buffer = default_buffer
if self.active_node:
self.project.ensure_buffer(self.active_node,
clock_buffer=self.default_buffer)
self.default_buffer_modified_emitter.emit()
def round_pseudoclock_to_active_node(self):
'''Set the value of the pseudoclock to the clock of the active node.'''
self._set_pseudoclock(self.active_node.state.clock)
def update_defacto_playing_speed(self):
'''Update the defacto playing speed to the official playing speed.'''
# In the future this will check if someone's temporarily tweaking the
# defacto speed, and let that override.
self.defacto_playing_speed = self.official_playing_speed
def make_state_creation_dialog(self):
'''Create a dialog for creating a root state.'''
Dialog = self.simpack_wx_grokker.settings.STATE_CREATION_DIALOG
dialog = Dialog(self.frame)
try:
state = dialog.start()
finally:
dialog.Destroy()
if state:
root = self.project.root_this_state(state)
self.tree_structure_modified_not_on_path_emitter.emit()
self.set_active_node(root)
self.frame.SetFocus()
def get_active_state(self):
'''Get the active state, i.e. the state of the active node.'''
return self.active_node.state if self.active_node else None
def get_active_step_profile(self):
'''Get the active step profile, i.e. step profile of active node.'''
return self.active_node.step_profile if self.active_node else None
def _set_active_node(self, node):
'''Set the active node, displaying it onscreen. Internal use.'''
if self.active_node is not node:
self.active_node = node
self.active_node_changed_emitter.emit()
def set_active_node(self, node, modify_path=True):
'''
Set the active node, displaying it onscreen.
This will change the pseudoclock to the clock of the node.
if `modify_path` is True, the method will modify the path to go through
the node, if it doesn't already.
'''
self.project.ensure_buffer(node, clock_buffer=self.default_buffer)
if self.active_node is node:
return
was_playing = self.is_playing # todo: consider cancelling this
if self.is_playing: self.stop_playing()
self._set_active_node(node)
self._set_pseudoclock(node.state.clock)
if was_playing:
self.start_playing()
if modify_path:
self.__modify_path_to_include_active_node()
if modify_path and was_playing:
if self.infinity_job:
self.infinity_job.crunching_profile.clock_target = \
self.infinity_job.node.state.clock + self.default_buffer
self.infinity_job = \
self.project.ensure_buffer_on_path(node,
self.path,
infinity)
def __modify_path_to_include_active_node(self):
'''Ensure that `.path` includes the active node.'''
if self.path is None:
self.set_path(self.active_node.make_containing_path())
else:
self.path.modify_to_include_node(self.active_node)
self.path_changed_emitter.emit()
def start_playing(self):
'''Start playback of the simulation.'''
if self.is_playing:
return
if self.active_node is None:
return
self.is_playing = True
self.infinity_job = \
self.project.ensure_buffer_on_path(self.active_node, self.path,
infinity)
self.timer_for_playing.Start(1000 // 25)
assert self.last_tracked_real_time == None
self.round_pseudoclock_to_active_node()
self.last_tracked_real_time = time.time()
self.playing_started_emitter.emit()
# todo: maybe should start a call of __play_next right here, to save
# 25ms delay on the first frame?
def stop_playing(self):
'''Stop playback of the simulation.'''
if self.is_playing is False:
return
try:
self.timer_for_playing.Stop()
except Exception: # todo: Find out the type
pass
self.is_playing = False
if self.infinity_job:
self.infinity_job.crunching_profile.clock_target = \
self.infinity_job.node.state.clock + self.default_buffer
self.last_tracked_real_time = None
self.round_pseudoclock_to_active_node()
self.project.ensure_buffer(self.active_node, self.default_buffer)
self.playing_stopped_emitter.emit()
def editing_state(self):
'''
Get a state suitable for editing.
If the current active node is "still in editing", returns its state. If
not, forks the tree with the active node as a template and returns the
newly created state.
'''
node = self.active_node
state = node.state
if (node.touched is False) or (node.still_in_editing is False):
new_node = self.fork_by_editing()
return new_node.state
else:
return state
def toggle_playing(self):
'''Toggle the onscreen playback of the simulation.'''
return self.stop_playing() if self.is_playing else self.start_playing()
def __play_next(self, event=None):
'''
Show the next node onscreen.
This method is called repeatedly when playing the simulation.
'''
if self.is_playing is False: return
current_real_time = time.time()
real_time_elapsed = (current_real_time - self.last_tracked_real_time)
desired_pseudoclock = \
self.pseudoclock + \
(real_time_elapsed * self.defacto_playing_speed)
rounding = binary_search.LOW_OTHERWISE_HIGH \
if self.defacto_playing_speed > 0 \
else binary_search.HIGH_OTHERWISE_LOW
self.set_pseudoclock(desired_pseudoclock, rounding)
self.last_tracked_real_time = current_real_time
def fork_by_crunching(self, *args, **kwargs):
'''
Fork the simulation from the active node.
Used for forking the simulation without modifying any states. Creates
a new node from the active node via natural simulation.
Any `*args` or `**kwargs` will be packed in a `StepProfile` object and
passed to the step function. You may pass a `StepProfile` yourself, as
the only argument, and it will be noticed and used. If nothing is
passed in `*args` or `**kwargs`, the step profile of the active node
will be used, unless it doesn't have a step profile, in which case the
default step profile will be used.
Returns the job.
'''
#todo: maybe not let to do it from unfinalized touched node?
if not args and not kwargs and self.active_node.step_profile:
step_profile = self.active_node.step_profile
elif args or kwargs:
parse_arguments_to_step_profile = \
garlicsim.misc.StepProfile.build_parser(
self.active_node.step_profile.step_function if
self.active_node.step_profile else
self.simpack_grokker.default_step_function
)
step_profile = parse_arguments_to_step_profile(*args, **kwargs)
else:
assert not self.active_node.step_profile
step_profile = self.default_step_profile
job = self.project.begin_crunching(self.active_node,
self.default_buffer or 1,
step_profile)
self._job_and_node_of_recent_fork_by_crunching = (job,
self.active_node)
return job
def fork_by_editing(self):
'''
Fork the simulation from the active node by editing.
Returns the new node.
'''
# todo: event argument is bad, in other places too
# todo: maybe not restrict it to "from_active_node"?
new_node = \
self.project.tree.fork_to_edit(template_node=self.active_node)
self.tree_structure_modified_on_path_emitter.emit()
self.set_active_node(new_node)
return new_node
def sync_crunchers(self):
'''
Take work from the crunchers, and give them new instructions if needed.
(This is a wrapper for `Project.sync_crunchers()` with some gui-related
additions.)
Talks with all the crunchers, takes work from them for implementing
into the tree, retiring crunchers or recruiting new crunchers as
necessary.
Returns the total amount of nodes that were added to the tree in the
process.
'''
# This method basically has two tasks. The first one is to take work
# from the crunchers and retire/recruit/redirect them as necessary.
# This is done by `Project.sync_crunchers`, which we call here, so
# that's not the tricky part here.
#
# The second task is the tricky part. We want to know just how much the
# tree was modified during this action. And the tricky thing is that
# `Project.sync_crunchers` won't do that for us, so we're going to have
# to try to deduce how much the tree modified ourselves, just by
# looking at the `jobs` list before and after calling
# `Project.sync_crunchers`.
#
# And when I say "to know how much the tree modified", I mean mainly to
# know if the modification is a structural modification, or just some
# blocks getting fatter. And the reason we want to know this is so
# we'll know whether to update various workspace widgets.
jobs = self.project.crunching_manager.jobs
jobs_to_nodes = dict((job, job.node) for job in jobs)
added_nodes = self.project.sync_crunchers()
# This is the heavy line here, which actually executes the Project's
# `sync_crunchers` function.
if any(
(job not in jobs) or \
(job.node.soft_get_block() is not old_node.soft_get_block())
for job, old_node in jobs_to_nodes.iteritems()
):
# What does this codition mean?
#
# It means that there is at least one job that either:
# (a) Was removed from the jobs list, or
# (b) Changed the soft block it's pointing to.
#
# The thing is, if there was a structural modification in the tree,
# this condition must be `True`. So we report a structure
# modification:
self.tree_structure_modified_at_unknown_location_emitter.emit()
# Even though we are not sure that the tree structure was modified.
# We have to play it safe. And since this condition doesn't happen
# most of the time when crunching, we're not wasting too much
# rendering time by assuming this is a structural modification.
# Note that we didn't check if `added_nodes > 0`: This is because
# if an `End` was added to the tree, it wouldn't have been counted
# in `added_nodes`.
elif added_nodes > 0:
# If this condition is `True`, we know as a fact that there was no
# structural modification, and we know as a fact that some blocks
# have gotten fatter.
self.tree_modified_at_unknown_location_emitter.emit()
# todo: It would be hard but nice to know whether the tree changes were
# on the path. This could save some rendering on `SeekBar`.
return added_nodes
def finalize_active_node(self):
'''Finalize the changes made to the active node.'''
self.active_node.finalize()
self.active_node_finalized_emitter.emit()
self.project.ensure_buffer(self.active_node, self.default_buffer)
def _update_step_profiles_set(self):
'''Update the step profiles set to include ones used in the tree.'''
self.step_profiles |= self.project.tree.get_step_profiles()
def __check_if_step_profile_changed(self):
'''Check if the active step profile has changed.'''
active_step_profile = self.get_active_step_profile()
if active_step_profile != self._tracked_step_profile:
self._tracked_step_profile = active_step_profile
self.active_step_profile_changed_emitter.emit()
def _if_forked_by_crunching_recently_switch_to_new_path(self):
'''If user did "fork by crunching" and new path is ready, switch to.'''
if self._job_and_node_of_recent_fork_by_crunching:
job, old_node = self._job_and_node_of_recent_fork_by_crunching
new_node = job.node
if new_node is not old_node:
new_path = new_node.make_containing_path()
assert old_node in new_path
# Cause `new_node` was born out of `old_node`.
self.set_path(new_path)
self._job_and_node_of_recent_fork_by_crunching = None
def __reduce__(self):
my_dict = dict(self.__dict__)
del my_dict['frame']
del my_dict['timer_for_playing']
del my_dict['simpack_grokker']
del my_dict['simpack_wx_grokker']
# Getting rid of emitter:
del my_dict['step_profiles']
my_dict['step_profiles'] = list(self.step_profiles)
# Getting rid of emitter and default factory:
del my_dict['step_profiles_to_hues']
my_dict['step_profiles_to_hues'] = dict(self.step_profiles_to_hues)
if self.frame.shell:
my_dict['_temp_shell_history'] = self.frame.shell.GetText()
my_dict['_temp_shell_command_history'] = \
self.frame.shell.history[:]
my_namespace = my_dict['namespace'] = my_dict['namespace'].copy()
try:
del my_namespace['__builtins__']
except KeyError:
pass
for (key, value) in my_dict.items():
if isinstance(value, emitters.Emitter) or \
isinstance(value, emitters.EmitterSystem):
del my_dict[key]
return (GuiProject._reconstruct, (self.simpack, self.project), my_dict)
def __setstate__(self, my_dict):
isinstance(my_dict, dict)
if 'step_profiles' in my_dict:
self.step_profiles.clear()
self.step_profiles |= my_dict.pop('step_profiles')
# todo: Last line not idiomatic
if 'step_profiles_to_hues' in my_dict:
self.step_profiles_to_hues.clear()
self.step_profiles_to_hues.update(
my_dict.pop('step_profiles_to_hues'))
if 'namespace' in my_dict:
pickled_namespace = my_dict.pop('namespace')
pickled_namespace.update(self.namespace)
self.namespace.update(pickled_namespace)
for (key, value) in my_dict.iteritems():
setattr(self, key, value)
@staticmethod
def _reconstruct(simpack, project):
'''Reconstruct a pickled gui project.'''
frame = garlicsim_wx._active_frame
# todo: Make Frame inherit from some "InstanceHolder" instead
gui_project = GuiProject(simpack, frame, project)
return gui_project
