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Implements the high level loop of the algorithm for learning a
Mealy machine.
Args:
None
Returns:
MealyMachine: The learned mealy machine
""""""
logging.info('Initializing learning procedure.')
self._init_table()
logging.info('Generating a closed and consistent observation table.')
while True:
closed = False
# Make sure that the table is closed and consistent
while not closed:
logging.debug('Checking if table is closed.')
closed, string = self.observation_table.is_closed()
if not closed:
logging.debug('Closing table.')
self._ot_make_closed(string)
else:
logging.debug('Table closed.')
# Create conjecture
mma = self.get_mealy_conjecture()
logging.info('Generated conjecture machine with %d states.',
len(list(mma.states)))
# _check correctness
logging.debug('Running equivalence query.')
found, counter_example = self._equivalence_query(mma)
# Are we done?
if found:
logging.info('No counterexample found. Hypothesis is correct!')
break
# Add the new experiments into the table to reiterate the
# learning loop
logging.info(
'Processing counterexample %input_string with length %d.',
counter_example,
len(counter_example))
self._process_counter_example(mma, counter_example)
logging.info('Learning complete.')
return mma"
1100,"def get_headers(environ):
""""""
Returns only proper HTTP headers.
""""""
for key, value in environ.iteritems():
key = str(key)
if key.startswith('HTTP_') and key not in \
('HTTP_CONTENT_TYPE', 'HTTP_CONTENT_LENGTH'):
yield key[5:].replace('_', '-').title(), value
elif key in ('CONTENT_TYPE', 'CONTENT_LENGTH'):
yield key.replace('_', '-').title(), value"
1101,"def get_host(environ):
""""""Return the real host for the given WSGI environment. This takes care
of the `X-Forwarded-Host` header.
:param environ: the WSGI environment to get the host of.
""""""
scheme = environ.get('wsgi.url_scheme')
if 'HTTP_X_FORWARDED_HOST' in environ:
result = environ['HTTP_X_FORWARDED_HOST']
elif 'HTTP_HOST' in environ:
result = environ['HTTP_HOST']
else:
result = environ['SERVER_NAME']
if (scheme, str(environ['SERVER_PORT'])) not \
in (('https', '443'), ('http', '80')):
result += ':' + environ['SERVER_PORT']
if result.endswith(':80') and scheme == 'http':
result = result[:-3]
elif result.endswith(':443') and scheme == 'https':
result = result[:-4]
return result"
1102,"def parse_library(lib_files):
""""""
Analizuje pliki podane w liście lib_files
Zwraca instancję MusicLibrary
""""""
tracks, playlists = lib_files
lib = MusicLibrary()
lib_length = len(tracks)
i = 0
writer = lib.ix.writer()
previous_procent_done_str = """"
for f in tracks:
track_info = TrackInfo(f)
lib.add_track_internal(track_info, writer)
current_percent_done_str = ""%d%%"" % (i / lib_length * 100)
if current_percent_done_str != previous_procent_done_str:
logs.print_info(""Analizowanie biblioteki muzycznej... "" + current_percent_done_str)