diff --git a/binarycpython/utils/HPC.py b/binarycpython/utils/HPC.py
index 12b2fac92d8ba4c9b627a2565dfb424f63ac81c4..4652623231783c8fa3f993f65bd9dca20a8de4d3 100644
--- a/binarycpython/utils/HPC.py
+++ b/binarycpython/utils/HPC.py
@@ -23,7 +23,7 @@ class HPC(condor,slurm):
def HPC_joinfiles(self):
"""
- Function to load in the joinlist to an array and return it.
+ Function to load in the joinlist to a list and return it.
"""
f = open(self.grid_options['joinlist'],'r',encoding='utf-8')
list = f.read().splitlines()
@@ -87,73 +87,95 @@ class HPC(condor,slurm):
Function to return True if we're running an HPC (Slurm or Condor) job, False otherwise.
"""
if self.grid_options['slurm'] > 0 or self.grid_options['condor'] > 0:
- return True
+ x = True
else:
- return False
-
+ x = False
+ return x
+
def HPCjobtype(self):
"""
Function to return a string telling us the type of an HPC job, i.e.
"slurm", "condor" or "None".
"""
if self.grid_options['slurm'] > 0:
- return "slurm"
+ type = "slurm"
elif self.grid_options['condor'] > 0:
- return "condor"
+ type = "condor"
else:
- return "None"
-
+ type = "None"
+ return type
+
def HPCjobID(self):
"""
- Function to return an HPC (Slurm or Condor) job id. Returns None if not an HPC job.
+ Function to return an HPC (Slurm or Condor) job id in the form x.y. Returns None if not an HPC job.
"""
if self.grid_options['slurm'] > 0:
- return self.slurmID()
+ id = self.slurmID()
elif self.grid_options['condor'] > 0:
- return self.condorID()
+ id = self.condorID()
else:
# not an HPC job
- return None
-
+ id = None
+ return id
+
+ def HPCjobIDtuple(self):
+ """
+ Return the job ID as a tuple, (x,y), or (None,None) on failure
+ """
+ id = self.HPCjobID()
+ if id:
+ t = tuple(id.split('.'))
+ else:
+ t = (None,None)
+ return t
+
def HPC_set_status(self,string):
"""
Set the appropriate HPC job (Condor or Slurm) status file to whatever is given in string.
Arguments:
string : the new contents of the status file
+
+ Returns:
+ True if the status was set, False otherwise.
+ (As returned by either the appropriate Condor or Slurm function)
"""
if self.grid_options['slurm'] > 0:
- return self.set_slurm_status(string)
+ status = self.set_slurm_status(string)
elif self.grid_options['condor'] > 0:
- return self.set_condor_status(string)
+ status = self.set_condor_status(string)
else:
- return None
+ status = None
+ return status
def HPC_get_status(self):
"""
- Get the appropriate HPC job (Condor or Slurm) status for this job.
+ Get and return the appropriate HPC job (Condor or Slurm) status string for this job.
"""
if self.grid_options['slurm'] > 0:
- return self.get_slurm_status()
+ status = self.get_slurm_status()
elif self.grid_options['condor'] > 0:
- return self.get_condor_status()
+ status = self.get_condor_status()
else:
- return None
-
+ status = None
+ return status
+
def HPC_dirs(self):
"""
- Function to return a list of directories for this HPC job.
+ Function to return a list of directories required for this HPC job.
"""
if self.grid_options['slurm'] > 0:
- return self.slurm_dirs()
+ dirs = self.slurm_dirs()
elif self.grid_options['condor'] > 0:
- return self.condor_dirs()
+ dirs = self.condor_dirs()
else:
- return []
-
+ dirs = []
+ return dirs
+
def HPCgrid(self):
"""
- Function to call the appropriate HPC grid function (Slurm or Condor)
+ Function to call the appropriate HPC grid function
+ (e.g. Slurm or Condor) and return what it returns
"""
if self.grid_options['slurm'] > 0:
return self.slurm_grid()
@@ -167,22 +189,105 @@ class HPC(condor,slurm):
Function to check HPC option requirements have been met. Returns a tuple: (True,"") if all is ok, (False,<warning string>) otherwise.
"""
if self.grid_options['slurm'] > 0:
- return self.slurm_check_requirements()
+ t = self.slurm_check_requirements()
elif self.grid_options['condor'] > 0:
- return self.condor_check_requirements()
+ t = self.condor_check_requirements()
else:
- return (True,"")
-
- def HPC_restore(self):
+ t = (True,"")
+ return t
+
+ def HPC_id_filename(self,dir):
"""
- Wrapper function to restore previous HPC snapshots prior to restarting a grid.
+ HPC jobs have a filename in their directory which specifies the job id. This function returns the contents of that file as a string, or None on failure.
"""
if self.grid_options['slurm'] > 0:
- return self.slurm_restore()
+ filename = 'jobid'
elif self.grid_options['condor'] > 0:
- return self.condor_check_requirements()
+ filename = 'ClusterID'
else:
- return (True,"")
+ filename = None
+ return filename
+
+ def HPC_id_from_dir(self,dir):
+ """
+ Function to return the ID of an HPC run given its (already existing) directory.
+ """
+ filename = self.HPC_id_filename(dir)
+ if not filename:
+ return None
+ file = os.path.join(dir,filename)
+ f = open(file,"r",encoding='utf-8')
+ if not f:
+ print("Error: could not open {file} to read the HPC jobid of the directory {dir}".format(file=file,
+ dir=dir))
+ self.exit(code=1)
+ oldjobid = f.read().strip()
+ if not oldjobid:
+ print("Error: could not find jobid in {dir}".format(dir=dir))
+ self.exit(code=1)
+ else:
+ f.close()
+ return oldjobid
+
+
+
+ def HPC_restore(self):
+ """
+ Set grid_options['restore_from_snapshot_file'] so that we restore data from existing
+ an HPC run if self.grid_options[type+'_restart_dir'], where type is "slurm" or "condor",
+ is provided, otherwise do nothing. This only works if grid_options[type] == 2, which is
+ the run-grid stage of the process.
+ """
+ type = self.HPCjobtype()
+ if type is None:
+ return
+ key = type + '_restart_dir'
+ if key not in self.grid_options:
+ return
+ # get restart directory
+ dir = self.grid_options[type + '_restart_dir']
+ if dir is None:
+ return
+ # get HPC job index
+ index = self.HPCjobIDtuple()[1]
+ if index is None:
+ return
+ if self.grid_options[type] == 2:
+ old_id = self.HPC_id_from_dir(dir)
+ print("Restart from dir {dir} which was has (old) ID {old_id}, we are job index {index}".format(
+ dir=dir,
+ old_id=old_id,
+ index=index
+ ))
+
+ # check status: if "finished", we don't have to do anything
+ file = os.path.join(dir,
+ 'status',
+ "{id}.{index}".format(id=old_id,
+ index=index))
+ status = open(file,encoding='utf-8').read()
+
+ if status == 'finished':
+ print("Status is finished, cannot restart.")
+ self.exit(code=0)
+
+ file = os.path.join(dir,
+ 'snapshots',
+ "{id}.{index}.gz".format(id=old_id,
+ index=index))
+
+ if os.path.exists(file):
+ # have data from which we can restore, set it in
+ # the appropriate grid option
+ print("Restore this run from snapshot {file}".format(file=file))
+ self.grid_options['restore_from_snapshot_file'] = file
+ else:
+ # no snapshot: so no need to restore, just exit
+ print("Expected snapshot at {file} but none was found".format(file=file))
+ self.exit(code=0)
+ return
+
+
def HPC_join_previous(self):
"""
@@ -227,11 +332,12 @@ class HPC(condor,slurm):
Function to file the filename of this HPC job's file at path.
"""
if self.grid_options['slurm'] > 0:
- return self.slurmpath(path)
+ p = self.slurmpath(path)
elif self.grid_options['condor'] > 0:
- return self.condorpath(path)
+ p = self.condorpath(path)
else:
- return None
+ p = None
+ return p
def HPC_snapshot_filename(self):
"""
@@ -240,10 +346,11 @@ class HPC(condor,slurm):
if self.grid_options['slurm'] > 0:
file = os.path.join(self.grid_options['slurm_dir'],
'snapshots',
- self.jobID() + '.gz')
+ self.HPCjobID() + '.gz')
elif self.grid_options['condor'] > 0:
file = os.path.join(self.grid_options['condor_dir'],
'snapshots',
- self.jobID() + '.gz')
+ self.HPCjobID() + '.gz')
else:
- return None
+ file = None
+ return file
diff --git a/binarycpython/utils/condor.py b/binarycpython/utils/condor.py
index c8bf626ad5ac864fd2dc3e235289d2da063ebbf3..737d9cce272c8d4d226bc8e346e504548e0fd410 100644
--- a/binarycpython/utils/condor.py
+++ b/binarycpython/utils/condor.py
@@ -403,272 +403,4 @@ queue {njobs}
# return True so we exit immediately
return True
- def condor_ClusterID_from_dir(self,dir):
- """
- Return the Condor ClusterID from a condor directory, passed in
- """
- file = os.path.join(dir,'ClusterID')
- f = open(file,"r",encoding='utf-8')
- if not f:
- print("Error: could not open {} to read the Condor ClusterID of the directory {}".format(file,dir))
- sys.exit(code=1)
- oldClusterID = f.read().strip()
- f.close()
- if not oldClusterID:
- print("Error: could not find ClusterID in {}".format(self.grid_options['condor_restart_dir']))
- self.exit(code=1)
-
- return oldClusterID
-
-
-
-
- ###################################################
- # CONDOR functions
- #
- # subroutines to run CONDOR grids
- ###################################################
-
- # def _condor_grid(self):
- # """
- # Main function that manages the CONDOR setup.
-
- # Has three stages:
-
- # - setup
- # - evolve
- # - join
-
- # Which stage is used is determined by the value of grid_options['condor_command']:
-
- # <empty>: the function will know its the user that executed the script and
- # it will set up the necessary condor stuff
-
- # 'evolve': evolve_population is called to evolve the population of stars
-
- # 'join': We will attempt to join the output
- # """
-
- # # TODO: Put in function
- # condor_version = get_condor_version()
- # if not condor_version:
- # verbose_print(
- # "CONDOR: Error: No installation of condor found",
- # self.grid_options["verbosity"],
- # 0,
- # )
- # else:
- # major_version = int(condor_version.split(".")[0])
- # minor_version = int(condor_version.split(".")[1])
-
- # if (major_version == 8) and (minor_version > 4):
- # verbose_print(
- # "CONDOR: Found version {} which is new enough".format(
- # condor_version
- # ),
- # self.grid_options["verbosity"],
- # 0,
- # )
- # elif major_version > 9:
- # verbose_print(
- # "CONDOR: Found version {} which is new enough".format(
- # condor_version
- # ),
- # self.grid_options["verbosity"],
- # 0,
- # )
- # else:
- # verbose_print(
- # "CONDOR: Found version {} which is too old (we require 8.3/8.4+)".format(
- # condor_version
- # ),
- # self.grid_options["verbosity"],
- # 0,
- # )
-
- # verbose_print(
- # "Running Condor grid. command={}".format(
- # self.grid_options["condor_command"]
- # ),
- # self.grid_options["verbosity"],
- # 1,
- # )
- # if not self.grid_options["condor_command"]:
- # # Setting up
- # verbose_print(
- # "CONDOR: Main controller script. Setting up",
- # self.grid_options["verbosity"],
- # 1,
- # )
-
- # # Set up working directories:
- # verbose_print(
- # "CONDOR: creating working directories",
- # self.grid_options["verbosity"],
- # 1,
- # )
- # create_directories_hpc(self.grid_options["condor_dir"])
-
- # # Create command
- # current_workingdir = os.getcwd()
- # python_details = get_python_details()
- # scriptname = path_of_calling_script()
- # # command = "".join([
- # # "{}".python_details['executable'],
- # # "{}".scriptname,
- # # "offset=$Process",
- # # "modulo={}".format(self.grid_options['condor_njobs']),
- # # "vb={}".format(self.grid_options['verbosity'])
-
- # # "results_hash_dumpfile=$self->{_grid_options}{condor_dir}/results/$ClusterID.$Process",
- # # 'condor_ClusterID='.$ClusterID,
- # # 'condor_Process='.$Process,
- # # 'condor_jobname=binary_grid_'.$ClusterID.'.'.$Process,
- # # "condor_njobs=$njobs",
- # # "condor_dir=$self->{_grid_options}{condor_dir}",
- # # );
-
- # # Create directory with info for the condor script. By creating this directory we also check whether all the values are set correctly
- # # TODO: create the condor script.
- # condor_script_options = {}
- # # condor_script_options['n'] =
- # condor_script_options["njobs"] = self.grid_options["condor_njobs"]
- # condor_script_options["dir"] = self.grid_options["condor_dir"]
- # condor_script_options["memory"] = self.grid_options["condor_memory"]
- # condor_script_options["working_dir"] = self.grid_options[
- # "condor_working_dir"
- # ]
- # condor_script_options["command"] = self.grid_options["command"]
- # condor_script_options["streams"] = self.grid_options["streams"]
-
- # # TODO: condor works with running an executable.
-
- # # Create script contents
- # condor_script_contents = ""
- # condor_script_contents += """
- # #################################################
- # #
- # # Condor script to run a binary_grid via python
- # #
- # #################################################
- # """
- # condor_script_contents += "Executable\t= {}".format(executable)
- # condor_script_contents += "arguments\t= {}".format(arguments)
- # condor_script_contents += "environment\t= {}".format(environment)
- # condor_script_contents += "universe\t= {}".format(
- # self.grid_options["condor_universe"]
- # )
- # condor_script_contents += "\n"
- # condor_script_contents += "output\t= {}/stdout/$id\n".format(
- # self.grid_options["condor_dir"]
- # )
- # condor_script_contents += "error\t={}/sterr/$id".format(
- # self.grid_options["condor_dir"]
- # )
- # condor_script_contents += "log\t={}\n".format(
- # self.grid_options["condor_dir"]
- # )
- # condor_script_contents += "initialdir\t={}\n".format(current_workingdir)
- # condor_script_contents += "remote_initialdir\t={}\n".format(
- # current_workingdir
- # )
- # condor_script_contents += "\n"
- # condor_script_contents += "steam_output\t={}".format(stream)
- # condor_script_contents += "steam_error\t={}".format(stream)
- # condor_script_contents += "+WantCheckpoint = False"
- # condor_script_contents += "\n"
- # condor_script_contents += "request_memory\t={}".format(
- # self.grid_options["condor_memory"]
- # )
- # condor_script_contents += "ImageSize\t={}".format(
- # self.grid_options["condor_memory"]
- # )
- # condor_script_contents += "\n"
-
- # if self.grid_options["condor_extra_settings"]:
- # condor_script_contents += "# Extra settings by user:"
- # condor_script_contents += "\n".join(
- # [
- # "{}\t={}".format(
- # key, self.grid_options["condor_extra_settings"][key]
- # )
- # for key in self.grid_options["condor_extra_settings"]
- # ]
- # )
-
- # condor_script_contents += "\n"
-
- # # request_memory = $_[0]{memory}
- # # ImageSize = $_[0]{memory}
-
- # # Requirements = (1) \&\& (".
- # # $self->{_grid_options}{condor_requirements}.")\n";
-
- # #
- # # file name: my_program.condor
- # # Condor submit description file for my_program
- # # Executable = my_program
- # # Universe = vanilla
- # # Error = logs/err.$(cluster)
- # # Output = logs/out.$(cluster)
- # # Log = logs/log.$(cluster)
-
- # # should_transfer_files = YES
- # # when_to_transfer_output = ON_EXIT_OR_EVICT
- # # transfer_input_files = files/in1,files/in2
-
- # # Arguments = files/in1 files/in2 files/out1
- # # Queue
-
- # # Write script contents to file
- # if self.grid_options["condor_postpone_join"]:
- # condor_script_contents += "{} rungrid=0 results_hash_dumpfile={}/results/$ClusterID.all condor_command=join\n".format(
- # command, self.grid_options["condor_dir"]
- # )
-
- # condor_script_filename = os.path.join(
- # self.grid_options["condor_dir"], "condor_script"
- # )
- # with open(condor_script_filename, "w") as condor_script_file:
- # condor_script_file.write(condor_script_contents)
-
- # if self.grid_options["condor_postpone_sbatch"]:
- # # Execute or postpone the real call to sbatch
- # submit_command = "condor_submit {}".format(condor_script_filename)
- # verbose_print(
- # "running condor script {}".format(condor_script_filename),
- # self.grid_options["verbosity"],
- # 0,
- # )
- # # subprocess.Popen(sbatch_command, close_fds=True)
- # # subprocess.Popen(sbatch_command, creationflags=subprocess.DETACHED_PROCESS)
- # verbose_print("Submitted scripts.", self.grid_options["verbosity"], 0)
- # else:
- # verbose_print(
- # "Condor script is in {} but hasnt been executed".format(
- # condor_script_filename
- # ),
- # self.grid_options["verbosity"],
- # 0,
- # )
-
- # verbose_print("all done!", self.grid_options["verbosity"], 0)
- # self.exit()
-
- # elif self.grid_options["condor_command"] == "evolve":
- # # TODO: write this function
- # # Part to evolve the population.
- # # TODO: decide how many CPUs
- # verbose_print(
- # "CONDOR: Evolving population", self.grid_options["verbosity"], 1
- # )
-
- # #
- # self.evolve_population()
-
- # elif self.grid_options["condor_command"] == "join":
- # # TODO: write this function
- # # Joining the output.
- # verbose_print("CONDOR: Joining results", self.grid_options["verbosity"], 1)
-
- # pass
+
diff --git a/binarycpython/utils/dataIO.py b/binarycpython/utils/dataIO.py
index c37e3adf0edc1694ec89d9a8eb006d13491bae12..88396d84ff26e75b08f60f7da3e52f182ef4b01c 100644
--- a/binarycpython/utils/dataIO.py
+++ b/binarycpython/utils/dataIO.py
@@ -242,29 +242,35 @@ class dataIO():
Load a snapshot from file and set it in the preloaded_population placeholder.
"""
newpop = self.load_population_object(file)
+
+ # unset the _killed flag, in case it was set
+ newpop.grid_options['_killed'] = False
+
+ # set in preloaded_population for later merge
self.preloaded_population = newpop
+
+ # set the start position for new stars
self.grid_options['start_at'] = newpop.grid_options['start_at']
- print("Loaded from snapshot at {file} : start at star {n}".format(
+
+ print("Loaded from snapshot at {file} : {nstars} stars, start at star {nstart}".format(
file=file,
- n=self.grid_options['start_at']))
+ nstars=0,#self.grid_options[''],
+ nstart=self.grid_options['start_at']))
return
def save_snapshot(self,file=None):
"""
Save the population object to a snapshot file, automatically choosing the filename if none is given.
"""
-
if file == None:
file = self.snapshot_filename()
try:
n = self.grid_options['_count']
except:
n = '?'
-
print("Saving snapshot containing {} stars to {}".format(n,file))
self.save_population_object(object=self,
filename=file)
-
return
def write_ensemble(self, output_file, data=None, sort_keys=True, indent=4, encoding='utf-8', ensure_ascii=False):
diff --git a/binarycpython/utils/grid.py b/binarycpython/utils/grid.py
index 3c48ab8b933236b41aa4c93abb00f18af1130007..5b6b1a6bbfff541e8d2ab100e5023fe430e1a63e 100644
--- a/binarycpython/utils/grid.py
+++ b/binarycpython/utils/grid.py
@@ -809,7 +809,11 @@ class Population(analytics,
if self.custom_options['save_snapshot']:
# we must save a snapshot, not the population object
- self.grid_options['start_at'] = self.grid_options["_count"]
+ # ... also save the new starting point: this has to take into
+ # account where we originally started, and that the modulo may
+ # not be == 1.
+ self.grid_options['start_at'] = self.grid_options['start_at'] + self.grid_options["_count"] * self.grid_options['modulo']
+ # then save the snapshot
self.save_snapshot()
exitcode = 1 if self.was_killed() else 0
self.exit(code=exitcode)
@@ -1116,12 +1120,18 @@ class Population(analytics,
"results": keys_to_floats(self.preloaded_population.grid_results)
}
+
for x in self._metadata_keylist():
try:
combined_output_dict[x] = self.preloaded_population.grid_options[x]
except Exception as e:
print("Tried to set combined_output_dict key",x,"from preloaded_popuation, but this failed:",e)
print("Pre-loaded data from {} stars".format(combined_output_dict["_count"]))
+
+ # do not propagate _killed
+ #combined_output_dict['results']['_killed'] = False
+ #combined_output_dict['_killed'] = False
+
self.preloaded_population = None
gc.collect()
else:
@@ -1363,7 +1373,7 @@ class Population(analytics,
0 # counter for the probability of the actual systems this tread ran
)
number_of_systems_run = (
- 0 # counter for the actual amt of systems this thread ran
+ 0 # counter for the actual number of systems this thread ran
)
zero_prob_stars_skipped = 0
total_time_calling_binary_c = 0
@@ -1381,7 +1391,8 @@ class Population(analytics,
self.set_status('running')
############################################################
- # Go over the queue
+ # Run stellar systems in the queue
+ ############################################################
for system_number, system_dict in iter(job_queue.get, "STOP"):
if False:
@@ -2150,10 +2161,6 @@ class Population(analytics,
Function to determine if the process was killed. Returns True if so, false otherwise.
"""
killed = self.grid_options['_killed']
- try:
- killed = killed or self.grid_results['_killed']
- except:
- pass
try:
killed = killed or self.grid_ensemble_results['metadata']['_killed']
except:
diff --git a/binarycpython/utils/grid_options_defaults.py b/binarycpython/utils/grid_options_defaults.py
index 8ca4abc37366d036211bc1bb1e417faae8d6d5c7..910f8cb526881336d801b7a6b6e8f30d1f9ede16 100644
--- a/binarycpython/utils/grid_options_defaults.py
+++ b/binarycpython/utils/grid_options_defaults.py
@@ -247,6 +247,7 @@ class grid_options_defaults():
"condor_initial_dir" : None, # directory from which condor is run, if None is the directory in which your script is run
"condor_submit" : "condor_submit", # the condor_submit command
"condor_getenv" : True, # if True condor takes the environment at submission and copies it to the jobs. You almost certainly want this.
+ "condor_restart_dir" : None, # restart Condor jobs from this directory
##########################
# Unordered. Need to go through this. Copied from the perl implementation.
##########################
diff --git a/binarycpython/utils/slurm.py b/binarycpython/utils/slurm.py
index 4b942d99441a39cb955a058a3da2f1ecc901c17d..86f1abe554875eb8138958bdf6c37fa9d56120cd 100644
--- a/binarycpython/utils/slurm.py
+++ b/binarycpython/utils/slurm.py
@@ -352,56 +352,3 @@ echo {slurm_dir}/results/$SLURM_ARRAY_JOB_ID.$SLURM_ARRAY_TASK_ID.gz >> {slurm_d
# return True so we exit immediately
return True
- def slurm_jobid_from_dir(self,dir):
- """
- Return the Slurm jobid from a slurm directory, passed in
- """
- file = os.path.join(dir,'jobid')
- f = open(file,"r",encoding='utf-8')
- if not f:
- print("Error: could not open {file} to read the Slurm jobid of the directory {dir}".format(file=file,dir=dir))
- sys.exit(code=1)
- oldjobid = f.read().strip()
- f.close()
- if not oldjobid:
- print("Error: could not find jobid in {slurm_restart_dir}".format(slurm_restart_dir=self.grid_options['slurm_restart_dir']))
- self.exit(code=1)
-
- return oldjobid
-
- def slurm_restore(self):
- # restore location from existing Slurm run if provided,
- # but only on slurm=2 runs
- if self.grid_options['slurm'] == 2 and \
- self.grid_options['slurm_restart_dir'] and \
- self.grid_options['slurm_jobarrayindex'] != None:
- oldjobid = self.slurm_jobid_from_dir(self.grid_options['slurm_restart_dir'])
-
- print("Restart from dir {dir} which was jobid {jobid}, we are jobarrayindex {index}".format(
- dir=self.grid_options['slurm_restart_dir'],
- jobid=oldjobid,
- index=self.grid_options['slurm_jobarrayindex']
- ))
-
- # check status: if "finished", we don't have to do anything
- file = os.path.join(self.grid_options['slurm_restart_dir'],
- 'status',
- "{id}.{index}".format(id=oldjobid,
- index=self.grid_options['slurm_jobarrayindex']))
- status = open(file,encoding='utf-8').read()
- if status == 'finished':
- self.exit(code=0)
-
- file = os.path.join(self.grid_options['slurm_restart_dir'],
- 'snapshots',
- "{id}.{index}.gz".format(id=oldjobid,
- index=self.grid_options['slurm_jobarrayindex']))
-
- if os.path.exists(file):
- # have data from which we can restore, set it in
- # the appropriate grid option
- self.grid_options['restore_from_snapshot_file'] = file
- else:
- # no snapshot: so no need to restore, just exit
- sys.exit(code=0)
- return