def open(self, filename):
"""
Loads a snapshot, in the form of a json, file off disk and applies the
values it pulls to the currently active dependency graph. Cleans up
the UI accordingly.
"""
if not os.path.exists(filename):
return False
# Load the snapshot off disk
with open(filename, 'rb') as fp:
snapshot = json.loads(fp.read())
# Apply the data to the in-flight Dag
self.dag.restoreSnapshot(snapshot["DAG"])
# Initialize the objects inside the graphWidget & restore the scene
self.graphicsScene.restoreSnapshot(snapshot["DAG"])
# Variable substitutions
self.clearVariableDictionary()
for v in snapshot["DAG"]["VARIABLE_SUBSTITIONS"]:
depends_variables.variableSubstitutions[v["NAME"]] = (v["VALUE"],
False)
# The current session gets a variable representing the location of the current workflow
if 'WORKFLOW_DIR' not in depends_variables.names():
depends_variables.add('WORKFLOW_DIR')
depends_variables.setx('WORKFLOW_DIR',
os.path.dirname(filename),
readOnly=True)
# Additional meta-data loading
if "RELOAD_PLUGINS_FILENAME_TEMP" in snapshot:
filename = snapshot["RELOAD_PLUGINS_FILENAME_TEMP"]
# UI tidies
self.undoStack.clear()
self.undoStack.setClean()
self.workingFilename = filename
self.setWindowTitle("Depends (%s)" % self.workingFilename)
self.variableWidget.rebuild(depends_variables.variableSubstitutions)
self.addRecentItem(filename)
self.rebuildRecentMenu()
return True
def open(self, filename):
"""
Loads a snapshot, in the form of a json, file off disk and applies the
values it pulls to the currently active dependency graph. Cleans up
the UI accordingly.
"""
if not os.path.exists(filename):
return False
# Load the snapshot off disk
with open(filename, 'rb') as fp:
snapshot = json.loads(fp.read())
# Apply the data to the in-flight Dag
self.dag.restoreSnapshot(snapshot["DAG"])
# Initialize the objects inside the graphWidget & restore the scene
self.graphicsScene.restoreSnapshot(snapshot["DAG"])
# Variable substitutions
self.clearVariableDictionary()
for v in snapshot["DAG"]["VARIABLE_SUBSTITIONS"]:
depends_variables.variableSubstitutions[v["NAME"]] = (v["VALUE"], False)
# The current session gets a variable representing the location of the current workflow
if 'WORKFLOW_DIR' not in depends_variables.names():
depends_variables.add('WORKFLOW_DIR')
depends_variables.setx('WORKFLOW_DIR', os.path.dirname(filename), readOnly=True)
# Additional meta-data loading
if "RELOAD_PLUGINS_FILENAME_TEMP" in snapshot:
filename = snapshot["RELOAD_PLUGINS_FILENAME_TEMP"]
# UI tidies
self.undoStack.clear()
self.undoStack.setClean()
self.workingFilename = filename
self.setWindowTitle("Depends (%s)" % self.workingFilename)
self.variableWidget.rebuild(depends_variables.variableSubstitutions)
self.addRecentItem(filename)
self.rebuildRecentMenu()
return True
def setupStartupVariables(self):
"""
Each program starts with a set of workflow variables that are defined
by where the program is executed from and potentially a set of
environment variables.
"""
# The current session gets a "binary directory" variable
depends_variables.add('DEPENDS_DIR')
depends_variables.setx('DEPENDS_DIR', os.path.dirname(os.path.realpath(__file__)), readOnly=True)
# ...And a path that points to where the nodes are loaded from
depends_variables.add('NODE_PATH')
if not os.environ.get('DEPENDS_NODE_PATH'):
depends_variables.setx('NODE_PATH', os.path.join(depends_variables.value('DEPENDS_DIR'), 'nodes'), readOnly=True)
else:
depends_variables.setx('NODE_PATH', os.environ.get('DEPENDS_NODE_PATH'), readOnly=True)
def setupStartupVariables(self):
"""
Each program starts with a set of workflow variables that are defined
by where the program is executed from and potentially a set of
environment variables.
"""
# The current session gets a "binary directory" variable
depends_variables.add('DEPENDS_DIR')
depends_variables.setx('DEPENDS_DIR',
os.path.dirname(os.path.realpath(__file__)),
readOnly=True)
# ...And a path that points to where the nodes are loaded from
depends_variables.add('NODE_PATH')
if not os.environ.get('DEPENDS_NODE_PATH'):
depends_variables.setx('NODE_PATH',
os.path.join(
depends_variables.value('DEPENDS_DIR'),
'nodes'),
readOnly=True)
else:
depends_variables.setx('NODE_PATH',
os.environ.get('DEPENDS_NODE_PATH'),
readOnly=True)