def nodeprep(u):
chars = list(six.text_type(u))
i = 0
while i < len(chars):
c = chars[i]
# map to nothing
if stringprep.in_table_b1(c):
del chars[i]
else:
# case fold
chars[i] = stringprep.map_table_b2(c)
i += 1
# NFKC
chars = stringprep.unicodedata.normalize("NFKC", "".join(chars))
for c in chars:
if (stringprep.in_table_c11(c) or stringprep.in_table_c12(c)
or stringprep.in_table_c21(c) or stringprep.in_table_c22(c)
or stringprep.in_table_c3(c) or stringprep.in_table_c4(c)
or stringprep.in_table_c5(c) or stringprep.in_table_c6(c)
or stringprep.in_table_c7(c) or stringprep.in_table_c8(c)
or stringprep.in_table_c9(c) or c in "\"&'/:<>@"):
raise UnicodeError("Invalid node character")
bidi(chars)
return chars
def nodeprep(u):
chars = list(unicode(u))
i = 0
while i < len(chars):
c = chars[i]
# map to nothing
if stringprep.in_table_b1(c):
del chars[i]
else:
# case fold
chars[i] = stringprep.map_table_b2(c)
i += 1
# NFKC
chars = stringprep.unicodedata.normalize("NFKC", "".join(chars))
for c in chars:
if (stringprep.in_table_c11(c) or
stringprep.in_table_c12(c) or
stringprep.in_table_c21(c) or
stringprep.in_table_c22(c) or
stringprep.in_table_c3(c) or
stringprep.in_table_c4(c) or
stringprep.in_table_c5(c) or
stringprep.in_table_c6(c) or
stringprep.in_table_c7(c) or
stringprep.in_table_c8(c) or
stringprep.in_table_c9(c) or
c in "\"&'/:<>@"):
raise UnicodeError("Invalid node character")
bidi(chars)
return chars
def nameprep(label):
forbidden = {'"', '&', "'", '/', ':', '<', '>', '@'}
if label is None:
return None
try:
label = encodings.idna.nameprep(label)
except:
return None
for c in label:
if stringprep.in_table_c11(c) or stringprep.in_table_c21(c) or c in forbidden:
return None
return label
def nodeprep( foo, errors='strict' ):
if foo is None:
return None
if isinstance( foo, str ):
foo = foo.decode( 'utf-8' )
ofoo = u''
for x in foo:
if not stringprep.in_table_b1( x ):
ofoo += stringprep.map_table_b2( x )
foo = unicodedata.normalize( 'NFKC', ofoo )
ofoo = u''
first_is_randal = False
if len(foo):
first_is_randal = stringprep.in_table_d1( foo[0] )
if first_is_randal:
if not stringprep.in_table_d1( foo[-1] ):
raise UnicodeError, "Section 6.3 [end]"
for x in range(len(foo)):
if errors=='strict' and stringprep.in_table_a1( foo[x] ):
raise UnicodeError, "Unassigned Codepoint"
if stringprep.in_table_c11( foo[x] ):
raise UnicodeError, "In table C.1.1"
if stringprep.in_table_c12( foo[x] ):
raise UnicodeError, "In table C.1.2"
if stringprep.in_table_c21( foo[x] ):
raise UnicodeError, "In table C.2.1"
if stringprep.in_table_c22( foo[x] ):
raise UnicodeError, "In table C.2.2"
if stringprep.in_table_c3( foo[x] ):
raise UnicodeError, "In table C.3"
if stringprep.in_table_c4( foo[x] ):
raise UnicodeError, "In table C.4"
if stringprep.in_table_c5( foo[x] ):
raise UnicodeError, "In table C.5"
if stringprep.in_table_c6( foo[x] ):
raise UnicodeError, "In table C.6"
if stringprep.in_table_c7( foo[x] ):
raise UnicodeError, "In table C.7"
if stringprep.in_table_c8( foo[x] ):
raise UnicodeError, "In table C.8"
if stringprep.in_table_c9( foo[x] ):
raise UnicodeError, "In table C.9"
if foo[x] in "\"&'/;<>@":
raise UnicodeError, "In nodeprep banned list"
if x:
if first_is_randal and stringprep.in_table_d2( foo[x] ):
raise UnicodeError, "Section 6.2"
if not first_is_randal and x!=(len(foo)-1) and stringprep.in_table_d1( foo[x] ):
raise UnicodeError, "Section 6.3"
else:
first = False
return foo
def update_event(self, inp=-1):
self.set_output_val(0, stringprep.in_table_c11(self.input(0)))
