Fix: 修复MicroPython MixGoAI和Microbit下一些py异常同时格式化代码
This commit is contained in:
王立帮
@@ -3,25 +3,38 @@ import struct
|
||||
import binascii
|
||||
|
||||
__all__ = [
|
||||
'encode', 'decode', 'encodebytes', 'decodebytes',
|
||||
'b64encode', 'b64decode', 'b32encode', 'b32decode',
|
||||
'b16encode', 'b16decode',
|
||||
'standard_b64encode', 'standard_b64decode',
|
||||
'urlsafe_b64encode', 'urlsafe_b64decode',
|
||||
]
|
||||
"encode",
|
||||
"decode",
|
||||
"encodebytes",
|
||||
"decodebytes",
|
||||
"b64encode",
|
||||
"b64decode",
|
||||
"b32encode",
|
||||
"b32decode",
|
||||
"b16encode",
|
||||
"b16decode",
|
||||
"standard_b64encode",
|
||||
"standard_b64decode",
|
||||
"urlsafe_b64encode",
|
||||
"urlsafe_b64decode",
|
||||
]
|
||||
|
||||
bytes_types = (bytes, bytearray)
|
||||
|
||||
bytes_types = (bytes, bytearray)
|
||||
|
||||
def _bytes_from_decode_data(s):
|
||||
if isinstance(s, str):
|
||||
try:
|
||||
return s.encode('ascii')
|
||||
return s.encode("ascii")
|
||||
except:
|
||||
raise ValueError('string argument should contain only ASCII characters')
|
||||
raise ValueError("string argument should contain only ASCII characters")
|
||||
elif isinstance(s, bytes_types):
|
||||
return s
|
||||
else:
|
||||
raise TypeError("argument should be bytes or ASCII string, not %s" % s.__class__.__name__)
|
||||
raise TypeError(
|
||||
"argument should be bytes or ASCII string, not %s" % s.__class__.__name__
|
||||
)
|
||||
|
||||
|
||||
def b64encode(s, altchars=None):
|
||||
if not isinstance(s, bytes_types):
|
||||
@@ -29,45 +42,73 @@ def b64encode(s, altchars=None):
|
||||
encoded = binascii.b2a_base64(s)[:-1]
|
||||
if altchars is not None:
|
||||
if not isinstance(altchars, bytes_types):
|
||||
raise TypeError("expected bytes, not %s"
|
||||
% altchars.__class__.__name__)
|
||||
raise TypeError("expected bytes, not %s" % altchars.__class__.__name__)
|
||||
assert len(altchars) == 2, repr(altchars)
|
||||
return encoded.translate(bytes.maketrans(b'+/', altchars))
|
||||
return encoded.translate(bytes.maketrans(b"+/", altchars))
|
||||
return encoded
|
||||
|
||||
|
||||
def b64decode(s, altchars=None, validate=False):
|
||||
s = _bytes_from_decode_data(s)
|
||||
if altchars is not None:
|
||||
altchars = _bytes_from_decode_data(altchars)
|
||||
assert len(altchars) == 2, repr(altchars)
|
||||
s = s.translate(bytes.maketrans(altchars, b'+/'))
|
||||
if validate and not re.match(b'^[A-Za-z0-9+/]*={0,2}$', s):
|
||||
raise binascii.Error('Non-base64 digit found')
|
||||
s = s.translate(bytes.maketrans(altchars, b"+/"))
|
||||
if validate and not re.match(b"^[A-Za-z0-9+/]*={0,2}$", s):
|
||||
raise binascii.Error("Non-base64 digit found")
|
||||
return binascii.a2b_base64(s)
|
||||
|
||||
|
||||
def standard_b64encode(s):
|
||||
return b64encode(s)
|
||||
|
||||
|
||||
def standard_b64decode(s):
|
||||
return b64decode(s)
|
||||
|
||||
|
||||
def urlsafe_b64encode(s):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
def urlsafe_b64decode(s):
|
||||
raise NotImplementedError()
|
||||
|
||||
|
||||
_b32alphabet = {
|
||||
0: b'A', 9: b'J', 18: b'S', 27: b'3',
|
||||
1: b'B', 10: b'K', 19: b'T', 28: b'4',
|
||||
2: b'C', 11: b'L', 20: b'U', 29: b'5',
|
||||
3: b'D', 12: b'M', 21: b'V', 30: b'6',
|
||||
4: b'E', 13: b'N', 22: b'W', 31: b'7',
|
||||
5: b'F', 14: b'O', 23: b'X',
|
||||
6: b'G', 15: b'P', 24: b'Y',
|
||||
7: b'H', 16: b'Q', 25: b'Z',
|
||||
8: b'I', 17: b'R', 26: b'2',
|
||||
}
|
||||
0: b"A",
|
||||
9: b"J",
|
||||
18: b"S",
|
||||
27: b"3",
|
||||
1: b"B",
|
||||
10: b"K",
|
||||
19: b"T",
|
||||
28: b"4",
|
||||
2: b"C",
|
||||
11: b"L",
|
||||
20: b"U",
|
||||
29: b"5",
|
||||
3: b"D",
|
||||
12: b"M",
|
||||
21: b"V",
|
||||
30: b"6",
|
||||
4: b"E",
|
||||
13: b"N",
|
||||
22: b"W",
|
||||
31: b"7",
|
||||
5: b"F",
|
||||
14: b"O",
|
||||
23: b"X",
|
||||
6: b"G",
|
||||
15: b"P",
|
||||
24: b"Y",
|
||||
7: b"H",
|
||||
16: b"Q",
|
||||
25: b"Z",
|
||||
8: b"I",
|
||||
17: b"R",
|
||||
26: b"2",
|
||||
}
|
||||
|
||||
_b32tab = [v[0] for k, v in sorted(_b32alphabet.items())]
|
||||
_b32rev = dict([(v[0], k) for k, v in _b32alphabet.items()])
|
||||
@@ -82,26 +123,29 @@ def b32encode(s):
|
||||
quanta += 1
|
||||
encoded = bytearray()
|
||||
for i in range(quanta):
|
||||
c1, c2, c3 = struct.unpack('!HHB', s[i*5:(i+1)*5])
|
||||
c2 += (c1 & 1) << 16
|
||||
c3 += (c2 & 3) << 8
|
||||
encoded += bytes([_b32tab[c1 >> 11],
|
||||
_b32tab[(c1 >> 6) & 0x1f],
|
||||
_b32tab[(c1 >> 1) & 0x1f],
|
||||
_b32tab[c2 >> 12],
|
||||
_b32tab[(c2 >> 7) & 0x1f],
|
||||
_b32tab[(c2 >> 2) & 0x1f],
|
||||
_b32tab[c3 >> 5],
|
||||
_b32tab[c3 & 0x1f],
|
||||
])
|
||||
c1, c2, c3 = struct.unpack("!HHB", s[i * 5 : (i + 1) * 5])
|
||||
c2 += (c1 & 1) << 16
|
||||
c3 += (c2 & 3) << 8
|
||||
encoded += bytes(
|
||||
[
|
||||
_b32tab[c1 >> 11],
|
||||
_b32tab[(c1 >> 6) & 0x1F],
|
||||
_b32tab[(c1 >> 1) & 0x1F],
|
||||
_b32tab[c2 >> 12],
|
||||
_b32tab[(c2 >> 7) & 0x1F],
|
||||
_b32tab[(c2 >> 2) & 0x1F],
|
||||
_b32tab[c3 >> 5],
|
||||
_b32tab[c3 & 0x1F],
|
||||
]
|
||||
)
|
||||
if leftover == 1:
|
||||
encoded = encoded[:-6] + b'======'
|
||||
encoded = encoded[:-6] + b"======"
|
||||
elif leftover == 2:
|
||||
encoded = encoded[:-4] + b'===='
|
||||
encoded = encoded[:-4] + b"===="
|
||||
elif leftover == 3:
|
||||
encoded = encoded[:-3] + b'==='
|
||||
encoded = encoded[:-3] + b"==="
|
||||
elif leftover == 4:
|
||||
encoded = encoded[:-1] + b'='
|
||||
encoded = encoded[:-1] + b"="
|
||||
return bytes(encoded)
|
||||
|
||||
|
||||
@@ -109,14 +153,14 @@ def b32decode(s, casefold=False, map01=None):
|
||||
s = _bytes_from_decode_data(s)
|
||||
quanta, leftover = divmod(len(s), 8)
|
||||
if leftover:
|
||||
raise binascii.Error('Incorrect padding')
|
||||
raise binascii.Error("Incorrect padding")
|
||||
if map01 is not None:
|
||||
map01 = _bytes_from_decode_data(map01)
|
||||
assert len(map01) == 1, repr(map01)
|
||||
s = s.translate(bytes.maketrans(b'01', b'O' + map01))
|
||||
s = s.translate(bytes.maketrans(b"01", b"O" + map01))
|
||||
if casefold:
|
||||
s = s.upper()
|
||||
padchars = s.find(b'=')
|
||||
padchars = s.find(b"=")
|
||||
if padchars > 0:
|
||||
padchars = len(s) - padchars
|
||||
s = s[:-padchars]
|
||||
@@ -129,16 +173,16 @@ def b32decode(s, casefold=False, map01=None):
|
||||
for c in s:
|
||||
val = _b32rev.get(c)
|
||||
if val is None:
|
||||
raise binascii.Error('Non-base32 digit found')
|
||||
raise binascii.Error("Non-base32 digit found")
|
||||
acc += _b32rev[c] << shift
|
||||
shift -= 5
|
||||
if shift < 0:
|
||||
parts.append(binascii.unhexlify(bytes('%010x' % acc, "ascii")))
|
||||
parts.append(binascii.unhexlify(bytes("%010x" % acc, "ascii")))
|
||||
acc = 0
|
||||
shift = 35
|
||||
last = binascii.unhexlify(bytes('%010x' % acc, "ascii"))
|
||||
last = binascii.unhexlify(bytes("%010x" % acc, "ascii"))
|
||||
if padchars == 0:
|
||||
last = b''
|
||||
last = b""
|
||||
elif padchars == 1:
|
||||
last = last[:-1]
|
||||
elif padchars == 3:
|
||||
@@ -148,9 +192,10 @@ def b32decode(s, casefold=False, map01=None):
|
||||
elif padchars == 6:
|
||||
last = last[:-4]
|
||||
else:
|
||||
raise binascii.Error('Incorrect padding')
|
||||
raise binascii.Error("Incorrect padding")
|
||||
parts.append(last)
|
||||
return b''.join(parts)
|
||||
return b"".join(parts)
|
||||
|
||||
|
||||
def b16encode(s):
|
||||
if not isinstance(s, bytes_types):
|
||||
@@ -162,12 +207,14 @@ def b16decode(s, casefold=False):
|
||||
s = _bytes_from_decode_data(s)
|
||||
if casefold:
|
||||
s = s.upper()
|
||||
if re.search(b'[^0-9A-F]', s):
|
||||
raise binascii.Error('Non-base16 digit found')
|
||||
if re.search(b"[^0-9A-F]", s):
|
||||
raise binascii.Error("Non-base16 digit found")
|
||||
return binascii.unhexlify(s)
|
||||
|
||||
MAXLINESIZE = 76
|
||||
MAXBINSIZE = (MAXLINESIZE//4)*3
|
||||
|
||||
MAXLINESIZE = 76
|
||||
MAXBINSIZE = (MAXLINESIZE // 4) * 3
|
||||
|
||||
|
||||
def encode(input, output):
|
||||
while True:
|
||||
@@ -175,7 +222,7 @@ def encode(input, output):
|
||||
if not s:
|
||||
break
|
||||
while len(s) < MAXBINSIZE:
|
||||
ns = input.read(MAXBINSIZE-len(s))
|
||||
ns = input.read(MAXBINSIZE - len(s))
|
||||
if not ns:
|
||||
break
|
||||
s += ns
|
||||
@@ -191,6 +238,7 @@ def decode(input, output):
|
||||
s = binascii.a2b_base64(line)
|
||||
output.write(s)
|
||||
|
||||
|
||||
def encodebytes(s):
|
||||
if not isinstance(s, bytes_types):
|
||||
raise TypeError("expected bytes, not %s" % s.__class__.__name__)
|
||||
@@ -200,10 +248,13 @@ def encodebytes(s):
|
||||
pieces.append(binascii.b2a_base64(chunk))
|
||||
return b"".join(pieces)
|
||||
|
||||
|
||||
def encodestring(s):
|
||||
import warnings
|
||||
warnings.warn("encodestring() is a deprecated alias, use encodebytes()",
|
||||
DeprecationWarning, 2)
|
||||
|
||||
warnings.warn(
|
||||
"encodestring() is a deprecated alias, use encodebytes()", DeprecationWarning, 2
|
||||
)
|
||||
return encodebytes(s)
|
||||
|
||||
|
||||
@@ -212,36 +263,50 @@ def decodebytes(s):
|
||||
raise TypeError("expected bytes, not %s" % s.__class__.__name__)
|
||||
return binascii.a2b_base64(s)
|
||||
|
||||
|
||||
def decodestring(s):
|
||||
import warnings
|
||||
warnings.warn("decodestring() is a deprecated alias, use decodebytes()",
|
||||
DeprecationWarning, 2)
|
||||
|
||||
warnings.warn(
|
||||
"decodestring() is a deprecated alias, use decodebytes()", DeprecationWarning, 2
|
||||
)
|
||||
return decodebytes(s)
|
||||
|
||||
|
||||
def main():
|
||||
import sys, getopt
|
||||
|
||||
try:
|
||||
opts, args = getopt.getopt(sys.argv[1:], 'deut')
|
||||
opts, args = getopt.getopt(sys.argv[1:], "deut")
|
||||
except getopt.error as msg:
|
||||
sys.stdout = sys.stderr
|
||||
print(msg)
|
||||
print("""usage: %s [-d|-e|-u|-t] [file|-]
|
||||
print(
|
||||
"""usage: %s [-d|-e|-u|-t] [file|-]
|
||||
-d, -u: decode
|
||||
-e: encode (default)
|
||||
-t: encode and decode string 'Aladdin:open sesame'"""%sys.argv[0])
|
||||
-t: encode and decode string 'Aladdin:open sesame'"""
|
||||
% sys.argv[0]
|
||||
)
|
||||
sys.exit(2)
|
||||
func = encode
|
||||
for o, a in opts:
|
||||
if o == '-e': func = encode
|
||||
if o == '-d': func = decode
|
||||
if o == '-u': func = decode
|
||||
if o == '-t': test(); return
|
||||
if args and args[0] != '-':
|
||||
with open(args[0], 'rb') as f:
|
||||
if o == "-e":
|
||||
func = encode
|
||||
if o == "-d":
|
||||
func = decode
|
||||
if o == "-u":
|
||||
func = decode
|
||||
if o == "-t":
|
||||
test()
|
||||
return
|
||||
if args and args[0] != "-":
|
||||
with open(args[0], "rb") as f:
|
||||
func(f, sys.stdout.buffer)
|
||||
else:
|
||||
func(sys.stdin.buffer, sys.stdout.buffer)
|
||||
|
||||
|
||||
def test():
|
||||
s0 = b"Aladdin:open sesame"
|
||||
print(repr(s0))
|
||||
@@ -252,5 +317,5 @@ def test():
|
||||
assert s0 == s2
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
||||
Reference in New Issue
Block a user