def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
python类decode()的实例源码
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def test_b64decode_invalid_chars(self):
# issue 1466065: Test some invalid characters.
tests = ((b'%3d==', b'\xdd'),
(b'$3d==', b'\xdd'),
(b'[==', b''),
(b'YW]3=', b'am'),
(b'3{d==', b'\xdd'),
(b'3d}==', b'\xdd'),
(b'@@', b''),
(b'!', b''),
(b'YWJj\nYWI=', b'abcab'))
for bstr, res in tests:
self.assertEqual(base64.b64decode(bstr), res)
self.assertEqual(base64.b64decode(bstr.decode('ascii')), res)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr, validate=True)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr.decode('ascii'), validate=True)
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def test_b64decode_invalid_chars(self):
# issue 1466065: Test some invalid characters.
tests = ((b'%3d==', b'\xdd'),
(b'$3d==', b'\xdd'),
(b'[==', b''),
(b'YW]3=', b'am'),
(b'3{d==', b'\xdd'),
(b'3d}==', b'\xdd'),
(b'@@', b''),
(b'!', b''),
(b'YWJj\nYWI=', b'abcab'))
for bstr, res in tests:
self.assertEqual(base64.b64decode(bstr), res)
self.assertEqual(base64.b64decode(bstr.decode('ascii')), res)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr, validate=True)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr.decode('ascii'), validate=True)
def test_b32decode(self):
eq = self.assertEqual
tests = {b'': b'',
b'AA======': b'\x00',
b'ME======': b'a',
b'MFRA====': b'ab',
b'MFRGG===': b'abc',
b'MFRGGZA=': b'abcd',
b'MFRGGZDF': b'abcde',
}
for data, res in tests.items():
eq(base64.b32decode(data), res)
eq(base64.b32decode(data.decode('ascii')), res)
# Non-bytes
self.check_other_types(base64.b32decode, b'MFRGG===', b"abc")
self.check_decode_type_errors(base64.b32decode)
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def test_b64decode_invalid_chars(self):
# issue 1466065: Test some invalid characters.
tests = ((b'%3d==', b'\xdd'),
(b'$3d==', b'\xdd'),
(b'[==', b''),
(b'YW]3=', b'am'),
(b'3{d==', b'\xdd'),
(b'3d}==', b'\xdd'),
(b'@@', b''),
(b'!', b''),
(b'YWJj\nYWI=', b'abcab'))
for bstr, res in tests:
self.assertEqual(base64.b64decode(bstr), res)
self.assertEqual(base64.b64decode(bstr.decode('ascii')), res)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr, validate=True)
with self.assertRaises(binascii.Error):
base64.b64decode(bstr.decode('ascii'), validate=True)
def test_b32decode(self):
eq = self.assertEqual
tests = {b'': b'',
b'AA======': b'\x00',
b'ME======': b'a',
b'MFRA====': b'ab',
b'MFRGG===': b'abc',
b'MFRGGZA=': b'abcd',
b'MFRGGZDF': b'abcde',
}
for data, res in tests.items():
eq(base64.b32decode(data), res)
eq(base64.b32decode(data.decode('ascii')), res)
# Non-bytes
self.check_other_types(base64.b32decode, b'MFRGG===', b"abc")
self.check_decode_type_errors(base64.b32decode)
def decode(input, output, encoding):
"""Decode common content-transfer-encodings (base64, quopri, uuencode)."""
if encoding == 'base64':
import base64
return base64.decode(input, output)
if encoding == 'quoted-printable':
import quopri
return quopri.decode(input, output)
if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.decode(input, output)
if encoding in ('7bit', '8bit'):
return output.write(input.read())
if encoding in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, \
'unknown Content-Transfer-Encoding: %s' % encoding
def test_decode(self):
from io import BytesIO
infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=')
outfp = BytesIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), b'www.python.org')
def test_decode(self):
from cStringIO import StringIO
infp = StringIO('d3d3LnB5dGhvbi5vcmc=')
outfp = StringIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), 'www.python.org')
def test_decode(self):
from cStringIO import StringIO
infp = StringIO('d3d3LnB5dGhvbi5vcmc=')
outfp = StringIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), 'www.python.org')
def test_decode(self):
from io import BytesIO, StringIO
infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=')
outfp = BytesIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), b'www.python.org')
# Non-binary files
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO())
self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO())
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO())
def test_b32decode(self):
eq = self.assertEqual
tests = {b'': b'',
b'AA======': b'\x00',
b'ME======': b'a',
b'MFRA====': b'ab',
b'MFRGG===': b'abc',
b'MFRGGZA=': b'abcd',
b'MFRGGZDF': b'abcde',
}
for data, res in tests.items():
eq(base64.b32decode(data), res)
eq(base64.b32decode(data.decode('ascii')), res)
# Non-bytes
eq(base64.b32decode(bytearray(b'MFRGG===')), b'abc')
def test_b32decode_casefold(self):
eq = self.assertEqual
tests = {b'': b'',
b'ME======': b'a',
b'MFRA====': b'ab',
b'MFRGG===': b'abc',
b'MFRGGZA=': b'abcd',
b'MFRGGZDF': b'abcde',
# Lower cases
b'me======': b'a',
b'mfra====': b'ab',
b'mfrgg===': b'abc',
b'mfrggza=': b'abcd',
b'mfrggzdf': b'abcde',
}
for data, res in tests.items():
eq(base64.b32decode(data, True), res)
eq(base64.b32decode(data.decode('ascii'), True), res)
self.assertRaises(binascii.Error, base64.b32decode, b'me======')
self.assertRaises(binascii.Error, base64.b32decode, 'me======')
# Mapping zero and one
eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe')
eq(base64.b32decode('MLO23456'), b'b\xdd\xad\xf3\xbe')
map_tests = {(b'M1023456', b'L'): b'b\xdd\xad\xf3\xbe',
(b'M1023456', b'I'): b'b\x1d\xad\xf3\xbe',
}
for (data, map01), res in map_tests.items():
data_str = data.decode('ascii')
map01_str = map01.decode('ascii')
eq(base64.b32decode(data, map01=map01), res)
eq(base64.b32decode(data_str, map01=map01), res)
eq(base64.b32decode(data, map01=map01_str), res)
eq(base64.b32decode(data_str, map01=map01_str), res)
self.assertRaises(binascii.Error, base64.b32decode, data)
self.assertRaises(binascii.Error, base64.b32decode, data_str)
def test_decode(self):
from cStringIO import StringIO
infp = StringIO('d3d3LnB5dGhvbi5vcmc=')
outfp = StringIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), 'www.python.org')
def test_decode(self):
from io import BytesIO, StringIO
infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=')
outfp = BytesIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), b'www.python.org')
# Non-binary files
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO())
self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO())
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO())
def test_b32decode_casefold(self):
eq = self.assertEqual
tests = {b'': b'',
b'ME======': b'a',
b'MFRA====': b'ab',
b'MFRGG===': b'abc',
b'MFRGGZA=': b'abcd',
b'MFRGGZDF': b'abcde',
# Lower cases
b'me======': b'a',
b'mfra====': b'ab',
b'mfrgg===': b'abc',
b'mfrggza=': b'abcd',
b'mfrggzdf': b'abcde',
}
for data, res in tests.items():
eq(base64.b32decode(data, True), res)
eq(base64.b32decode(data.decode('ascii'), True), res)
self.assertRaises(binascii.Error, base64.b32decode, b'me======')
self.assertRaises(binascii.Error, base64.b32decode, 'me======')
# Mapping zero and one
eq(base64.b32decode(b'MLO23456'), b'b\xdd\xad\xf3\xbe')
eq(base64.b32decode('MLO23456'), b'b\xdd\xad\xf3\xbe')
map_tests = {(b'M1023456', b'L'): b'b\xdd\xad\xf3\xbe',
(b'M1023456', b'I'): b'b\x1d\xad\xf3\xbe',
}
for (data, map01), res in map_tests.items():
data_str = data.decode('ascii')
map01_str = map01.decode('ascii')
eq(base64.b32decode(data, map01=map01), res)
eq(base64.b32decode(data_str, map01=map01), res)
eq(base64.b32decode(data, map01=map01_str), res)
eq(base64.b32decode(data_str, map01=map01_str), res)
self.assertRaises(binascii.Error, base64.b32decode, data)
self.assertRaises(binascii.Error, base64.b32decode, data_str)
def test_decode(self):
from cStringIO import StringIO
infp = StringIO('d3d3LnB5dGhvbi5vcmc=')
outfp = StringIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), 'www.python.org')
def test_decode(self):
from io import BytesIO, StringIO
infp = BytesIO(b'd3d3LnB5dGhvbi5vcmc=')
outfp = BytesIO()
base64.decode(infp, outfp)
self.assertEqual(outfp.getvalue(), b'www.python.org')
# Non-binary files
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), BytesIO())
self.assertRaises(TypeError, base64.encode, BytesIO(b'YWJj\n'), StringIO())
self.assertRaises(TypeError, base64.encode, StringIO('YWJj\n'), StringIO())
