def __call__(self, activities_to_keep) -> EventLog:
f = EventLog()
for e in self.log:
if e.get_activity_name() in activities_to_keep:
f.add_event(e)
self.log = f
return self.log
def __call__(self, ending_activity) -> EventLog:
f = EventLog()
for t in self.log.get_traces():
if t[-1].get_activity_name() is ending_activity:
for e in t:
f.add_event(e)
self.log = f
return self.log
def __call__(self, name: str, value) -> EventLog:
f = EventLog()
for e in self.log:
if isinstance(value, list):
if e[name] in value:
f.add_event(e)
else:
if e[name] is value:
f.add_event(e)
self.log = f
return self.log
def __call__(self, first_activity, second_activity) -> EventLog:
f = EventLog()
for t in self.log.get_traces():
contains_df = False
for e1, e2 in zip(t[:-1], t[1:]):
if e1.get_activity_name(
) is first_activity and e2.get_activity_name(
) is second_activity:
contains_df = True
break
if contains_df:
for e in t:
f.add_event(e)
self.log = f
return self.log
def __parse_xes_file(context, tree):
log = None
trace_idx = None
event = None
trace_count = 0 #for trace_id
for action, elem in tqdm(context):
if action == __START: # starting to read
parent = tree[
elem.getparent()] if elem.getparent() in tree else None
if elem.tag.endswith(c.STR):
if parent is not None:
tree = __parse_attribute(elem, parent, elem.get(c.KEY),
elem.get(c.VAL), tree)
continue
elif elem.tag.endswith(c.DTE):
try:
date = __parse_date_ciso(elem.get(c.VAL))
tree = __parse_attribute(elem, parent, elem.get(c.KEY),
date, tree)
except TypeError:
logging.info("failed to parse date: " +
str(elem.get(c.VAL)))
except ValueError:
logging.info("failed to parse date: " +
str(elem.get(c.VAL)))
continue
elif elem.tag.endswith(c.BOL):
if parent is not None:
str_val = str(elem.get(c.VAL)).lower()
if str_val == 'true':
bool_val = True
elif str_val == 'false':
bool_val = False
else:
raise ValueError("failed to parse bool: " +
str(elem.get(c.VAL)))
tree = __parse_attribute(elem, parent, elem.get(c.KEY),
bool_val, tree)
continue
elif elem.tag.endswith(c.INT):
if parent is not None:
int_val = int(elem.get(c.VAL))
tree = __parse_attribute(elem, parent, elem.get(c.KEY),
int_val, tree)
continue
elif elem.tag.endswith(c.FLT):
if parent is not None:
float_val = float(elem.get(c.VAL))
tree = __parse_attribute(elem, parent, elem.get(c.KEY),
float_val, tree)
continue
elif elem.tag.endswith(c.EVE):
if event is not None:
raise SyntaxError(
'file contains <event> in another <event> tag')
if trace_idx is None:
raise SyntaxError(
'file contains a <event> element outside of a <trace> element (trace_id is None)'
)
event = Event()
tree[elem] = event
continue
elif elem.tag.endswith(c.TRC):
if trace_idx is not None:
raise SyntaxError(
'file contains <trace> in another <trace> tag')
trace_idx = trace_count
trace_count += 1
log.add_trace(trace_idx)
tree[elem] = log.traces[trace_idx]
continue
elif elem.tag.endswith(c.EXT):
if log is None:
raise SyntaxError('extension found outside of <log> tag')
if elem.get(c.NME) is not None and elem.get(
c.PRX) is not None and elem.get(c.URI) is not None:
log.extensions[elem.attrib[c.NME]] = {
c.PRX: elem.attrib[c.PRX],
c.URI: elem.attrib[c.URI]
}
continue
elif elem.tag.endswith(c.GLB):
if log is None:
raise SyntaxError('global found outside of <log> tag')
if elem.get(c.SCP) is not None:
log.globals[elem.attrib[c.SCP]] = {}
tree[elem] = log.globals[elem.get(c.SCP)]
continue
elif elem.tag.endswith(c.CLS):
if log is None:
raise SyntaxError('classifier found outside of <log> tag')
if elem.get(c.KYS) is not None:
name, attributes = elem.attrib[c.NME], elem.attrib[c.KYS]
# resolve special case; refactor with __parse_classifier
if "'" in attributes:
attributes = re.findall(r'\'(.*?)\'', attributes)
else:
attributes = attributes.split()
log.classifiers[name] = attributes
continue
elif elem.tag.endswith(c.LOG):
if log is not None:
raise SyntaxError('file contains > 1 <log> tags')
log = EventLog()
tree[elem] = log.attributes
continue
elif action == __END:
__clear_element(elem, tree)
if elem.tag.endswith(c.EVE):
if trace_idx is not None:
log.add_event(event, trace_idx)
event = None
continue
elif elem.tag.endswith(c.TRC):
trace_idx = None
continue
elif elem.tag.endswith(c.LOG):
continue
return log
