def load(self, xml_file, max_depth=None, backup=None):
"""
Load an xml file
:param xml_file: str -- path of the xml file to load
:param max_depth: int -- maximum depth for sequence creation
:param backup: str -- path of the xml backup file
"""
if self.loaded and self.started:
if not self.interrupted:
return
self.wait()
xml_sequence = parse_sequence_file(xml_file, max_depth, backup)
self.sequence = RootSequenceThread(xml_sequence)
self.loaded = True
self.started = False
self.interrupted = False
def load(self, xml_file, max_depth=None, backup=None):
"""
Load an xml file
:param xml_file: str -- path of the xml file to load
:param max_depth: int -- maximum depth for sequence creation
:param backup: str -- path of the xml backup file
"""
if self.loaded and self.started:
if not self.interrupted:
return
self.wait()
xml_sequence = parse_sequence_file(xml_file, max_depth, backup)
self.sequence = RootSequenceThread(xml_sequence)
self.loaded = True
self.started = False
self.interrupted = False
class SequenceEngine():
"""
Main class of the sequence engine
"""
is_loaded = lambda self: self.loaded
is_started = lambda self: self.started
is_interrupted = lambda self: self.interrupted
def __init__(self):
"""
Init method
"""
self.sequence = None
self.loaded = False
self.started = False
self.interrupted = False
def load(self, xml_file, max_depth=None, backup=None):
"""
Load an xml file
:param xml_file: str -- path of the xml file to load
:param max_depth: int -- maximum depth for sequence creation
:param backup: str -- path of the xml backup file
"""
if self.loaded and self.started:
if not self.interrupted:
return
self.wait()
xml_sequence = parse_sequence_file(xml_file, max_depth, backup)
self.sequence = RootSequenceThread(xml_sequence)
self.loaded = True
self.started = False
self.interrupted = False
def start(self):
"""
Start the sequence
"""
if self.loaded and not self.started:
self.sequence.start()
self.started = True
self.interrupted = False
def wait(self, timeout=None):
"""
Wait for the sequence to terminate
Return False if the timeout is expired, True otherwise
"""
if self.loaded and self.started:
self.sequence.join(timeout)
if self.sequence.is_alive():
return False
self.sequence = None
self.interrupted = False
self.started = False
self.loaded = False
return True
def interrupt(self):
"""
Interrupt the sequence execution
"""
if self.loaded:
if self.started:
self.sequence.stop()
self.interrupted = True
else:
self.sequence = None
self.loaded = False
class SequenceEngine:
"""
Main class of the sequence engine
"""
is_loaded = lambda self: self.loaded
is_started = lambda self: self.started
is_interrupted = lambda self: self.interrupted
def __init__(self):
"""
Init method
"""
self.sequence = None
self.loaded = False
self.started = False
self.interrupted = False
def load(self, xml_file, max_depth=None, backup=None):
"""
Load an xml file
:param xml_file: str -- path of the xml file to load
:param max_depth: int -- maximum depth for sequence creation
:param backup: str -- path of the xml backup file
"""
if self.loaded and self.started:
if not self.interrupted:
return
self.wait()
xml_sequence = parse_sequence_file(xml_file, max_depth, backup)
self.sequence = RootSequenceThread(xml_sequence)
self.loaded = True
self.started = False
self.interrupted = False
def start(self):
"""
Start the sequence
"""
if self.loaded and not self.started:
self.sequence.start()
self.started = True
self.interrupted = False
def wait(self, timeout=None):
"""
Wait for the sequence to terminate
Return False if the timeout is expired, True otherwise
"""
if self.loaded and self.started:
self.sequence.join(timeout)
if self.sequence.is_alive():
return False
self.sequence = None
self.interrupted = False
self.started = False
self.loaded = False
return True
def interrupt(self):
"""
Interrupt the sequence execution
"""
if self.loaded:
if self.started:
self.sequence.stop()
self.interrupted = True
else:
self.sequence = None
self.loaded = False
