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'datetime': 'dateTime.iso8601',
'date': 'date.iso8601',
'time': 'time.iso8601'}
def xobj(xparent, py_obj):
# convert a list of information
if type(py_obj) in (tuple, list):
xarr = ElementTree.SubElement(xparent, 'array')
xdata = ElementTree.SubElement(xarr, 'data')
for val in py_obj:
xval = ElementTree.SubElement(xdata, 'value')
xobj(xval, val)
# convert a dictionary of information
elif type(py_obj) == dict:
xstruct = ElementTree.SubElement(xparent, 'struct')
for key, val in py_obj.items():
xmember = ElementTree.SubElement(xstruct, 'member')
xname = ElementTree.SubElement(xmember, 'name')
xname.text = key
xval = ElementTree.SubElement(xmember, 'value')
xobj(xval, val)
# convert a None value
elif py_obj is None:
ElementTree.SubElement(xparent, 'nil')
# convert a basic value
else:
typ = type(py_obj).__name__
typ = type_map.get(typ, typ)
xitem = ElementTree.SubElement(xparent, typ)
# convert a datetime/date/time
if isinstance(py_obj, datetime.date) or \
isinstance(py_obj, datetime.time) or \
isinstance(py_obj, datetime.datetime):
if py_obj.tzinfo and pytz:
data = py_obj.astimezone(pytz.utc).replace(tzinfo=None)
xitem.text = data.isoformat()
else:
xitem.text = py_obj.isoformat()
# convert a boolean
elif type(py_obj) == bool:
xitem.text = nstr(int(py_obj))
# convert a non-string object
elif not type(py_obj) in (str, unicode):
xitem.text = nstr(py_obj)
# convert a string object
else:
xitem.text = py_obj
xobj(xparam, py_data)
projex.text.xmlindent(xroot)
return ElementTree.tostring(xroot)"
1773,"def _read_file(fname):
""""""
Args:
fname (str): Name of the grammar file to be parsed
Return:
list: The grammar rules
""""""
with open(fname) as input_file:
re_grammar = [x.strip('\n') for x in input_file.readlines()]
return re_grammar"
1774,"def main():
""""""
Function for PDA to CNF Operation
:type argv: list
:param argv: Parameters
""""""
if len(argv) < 3:
print 'Usage for getting CFG: %s CFG_fileA CFG ' % argv[0]
print 'Usage for getting STR: %s CFG_fileA STR ' \
'Optimize[0 or 1] splitstring[0 or 1] ' % argv[0]
print ''
print 'For example: python pdacnf.py grammar.y STR 1 0'
print ' python pdacnf.py grammar.y STR 1 1'
print ' python pdacnf.py grammar.y CFG'
return
alphabet = createalphabet()
mode = argv[2]
optimized = 0
splitstring = 0
if mode == 'STR':
optimized = int(argv[3])
splitstring = int(argv[4])
cfgtopda = CfgPDA(alphabet)
print '* Parsing Grammar:',
mma = cfgtopda.yyparse(argv[1])
print 'OK'
print ' - Total PDA states are ' + repr(len(mma.s))