Author: Amaury Forgeot d'Arc <amaur...@gmail.com>
Branch:
Changeset: r58847:830a3025e27b
Date: 2012-11-13 00:12 +0100
http://bitbucket.org/pypy/pypy/changeset/830a3025e27b/
Log: Add RPython support for 'replace' and 'ignore' error handlers.
diff --git a/pypy/rlib/runicode.py b/pypy/rlib/runicode.py
--- a/pypy/rlib/runicode.py
+++ b/pypy/rlib/runicode.py
@@ -46,12 +46,20 @@
ORD = ord
-def raise_unicode_exception_decode(errors, encoding, msg, s,
- startingpos, endingpos):
+def default_unicode_error_decode(errors, encoding, msg, s,
+ startingpos, endingpos):
+ if errors == 'replace':
+ return u'\ufffd', endingpos
+ if errors == 'ignore':
+ return u'', endingpos
raise UnicodeDecodeError(encoding, s, startingpos, endingpos, msg)
-def raise_unicode_exception_encode(errors, encoding, msg, u,
- startingpos, endingpos):
+def default_unicode_error_encode(errors, encoding, msg, u,
+ startingpos, endingpos):
+ if errors == 'replace':
+ return u'?', endingpos
+ if errors == 'ignore':
+ return u'', endingpos
raise UnicodeEncodeError(encoding, u, startingpos, endingpos, msg)
# ____________________________________________________________
@@ -79,7 +87,7 @@
def str_decode_utf_8(s, size, errors, final=False,
errorhandler=None, allow_surrogates=False):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
return str_decode_utf_8_impl(s, size, errors, final, errorhandler,
allow_surrogates=allow_surrogates)
@@ -258,7 +266,7 @@
def unicode_encode_utf_8(s, size, errors, errorhandler=None,
allow_surrogates=False):
if errorhandler is None:
- errorhandler = raise_unicode_exception_encode
+ errorhandler = default_unicode_error_encode
return unicode_encode_utf_8_impl(s, size, errors, errorhandler,
allow_surrogates=allow_surrogates)
@@ -336,7 +344,7 @@
errorhandler=None,
byteorder="native"):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
bo = 0
if BYTEORDER == 'little':
@@ -513,7 +521,7 @@
errorhandler=None,
byteorder="native"):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
bo = 0
if BYTEORDER == 'little':
@@ -737,7 +745,7 @@
def str_decode_utf_7(s, size, errors, final=False,
errorhandler=None):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
if size == 0:
return u'', 0
@@ -925,7 +933,7 @@
def str_decode_ascii(s, size, errors, final=False,
errorhandler=None):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
# ASCII is equivalent to the first 128 ordinals in Unicode.
result = UnicodeBuilder(size)
pos = 0
@@ -944,7 +952,7 @@
def unicode_encode_ucs1_helper(p, size, errors,
errorhandler=None, limit=256):
if errorhandler is None:
- errorhandler = raise_unicode_exception_encode
+ errorhandler = default_unicode_error_encode
if limit == 256:
reason = "ordinal not in range(256)"
encoding = "latin-1"
@@ -1002,7 +1010,7 @@
return str_decode_latin_1(s, size, errors, final=final,
errorhandler=errorhandler)
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
if size == 0:
return u'', 0
@@ -1029,7 +1037,7 @@
errorhandler=errorhandler)
if errorhandler is None:
- errorhandler = raise_unicode_exception_encode
+ errorhandler = default_unicode_error_encode
if size == 0:
return ''
@@ -1102,7 +1110,7 @@
errorhandler=False,
unicodedata_handler=None):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
if size == 0:
return u'', 0
@@ -1344,7 +1352,7 @@
def str_decode_raw_unicode_escape(s, size, errors, final=False,
errorhandler=None):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
if size == 0:
return u'', 0
@@ -1429,7 +1437,7 @@
def str_decode_unicode_internal(s, size, errors, final=False,
errorhandler=None):
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
if size == 0:
return u'', 0
@@ -1540,7 +1548,7 @@
return u"", 0
if errorhandler is None:
- errorhandler = raise_unicode_exception_decode
+ errorhandler = default_unicode_error_decode
# Skip trailing lead-byte unless 'final' is set
if not final and is_dbcs_lead_byte(s[size-1]):
@@ -1604,7 +1612,7 @@
are treated as errors. This includes embedded NULL bytes.
"""
if errorhandler is None:
- errorhandler = raise_unicode_exception_encode
+ errorhandler = default_unicode_error_encode
if size == 0:
return ''
result = StringBuilder(size)
diff --git a/pypy/rlib/test/test_runicode.py b/pypy/rlib/test/test_runicode.py
--- a/pypy/rlib/test/test_runicode.py
+++ b/pypy/rlib/test/test_runicode.py
@@ -146,6 +146,10 @@
def test_ascii_error(self):
self.checkdecodeerror("abc\xFF\xFF\xFFcde", "ascii", 3, 4)
+ def test_decode_replace(self):
+ decoder = self.getdecoder('utf-8')
+ assert decoder('caf\xe9', 4, 'replace', True) == (u'caf\ufffd', 4)
+
def test_utf16_errors(self):
# trunkated BOM
for s in ["\xff", "\xfe"]:
@@ -231,12 +235,6 @@
def __init__(self):
self.decoder = self.getdecoder('utf-8')
- def replace_handler(self, errors, codec, message, input, start, end):
- return u'\ufffd', end
-
- def ignore_handler(self, errors, codec, message, input, start, end):
- return u'', end
-
def to_bytestring(self, bytes):
return ''.join(chr(int(c, 16)) for c in bytes.split())
@@ -261,16 +259,13 @@
raises(UnicodeDecodeError, self.decoder, byte, 1, None, final=True)
self.checkdecodeerror(byte, 'utf-8', 0, 1, addstuff=False,
msg='invalid start byte')
- assert self.decoder(byte, 1, None, final=True,
- errorhandler=self.replace_handler) == (FFFD, 1)
- assert (self.decoder('aaaa' + byte + 'bbbb', 9, None,
- final=True, errorhandler=self.replace_handler) ==
+ assert self.decoder(byte, 1, 'replace', final=True) == (FFFD, 1)
+ assert (self.decoder('aaaa' + byte + 'bbbb', 9, 'replace',
+ final=True) ==
(u'aaaa'+ FFFD + u'bbbb', 9))
- assert self.decoder(byte, 1, None, final=True,
- errorhandler=self.ignore_handler) == (u'', 1)
- assert (self.decoder('aaaa' + byte + 'bbbb', 9, None,
- final=True, errorhandler=self.ignore_handler) ==
- (u'aaaabbbb', 9))
+ assert self.decoder(byte, 1, 'ignore', final=True) == (u'', 1)
+ assert (self.decoder('aaaa' + byte + 'bbbb', 9, 'ignore',
+ final=True) == (u'aaaabbbb', 9))
def test_unexpected_end_of_data(self):
"""
@@ -300,16 +295,15 @@
None, final=True)
self.checkdecodeerror(seq, 'utf-8', 0, len(seq), addstuff=False,
msg='unexpected end of data')
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.replace_handler) == (FFFD, len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.replace_handler) ==
+ assert self.decoder(seq, len(seq), 'replace', final=True
+ ) == (FFFD, len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8,
+ 'replace', final=True) ==
(u'aaaa'+ FFFD + u'bbbb', len(seq) + 8))
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.ignore_handler) == (u'', len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.ignore_handler) ==
- (u'aaaabbbb', len(seq) + 8))
+ assert self.decoder(seq, len(seq), 'ignore', final=True
+ ) == (u'', len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, 'ignore',
+ final=True) == (u'aaaabbbb', len(seq) + 8))
def test_invalid_cb_for_2bytes_seq(self):
"""
@@ -335,16 +329,16 @@
None, final=True)
self.checkdecodeerror(seq, 'utf-8', 0, 1, addstuff=False,
msg='invalid continuation byte')
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.replace_handler) == (res, len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.replace_handler) ==
+ assert self.decoder(seq, len(seq), 'replace', final=True
+ ) == (res, len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8,
+ 'replace', final=True) ==
(u'aaaa' + res + u'bbbb', len(seq) + 8))
res = res.replace(FFFD, u'')
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.ignore_handler) == (res, len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.ignore_handler) ==
+ assert self.decoder(seq, len(seq), 'ignore', final=True
+ ) == (res, len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8,
+ 'ignore', final=True) ==
(u'aaaa' + res + u'bbbb', len(seq) + 8))
def test_invalid_cb_for_3bytes_seq(self):
@@ -407,17 +401,16 @@
None, final=True)
self.checkdecodeerror(seq, 'utf-8', 0, len(seq)-1, addstuff=False,
msg='invalid continuation byte')
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.replace_handler) == (res, len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.replace_handler) ==
+ assert self.decoder(seq, len(seq), 'replace', final=True
+ ) == (res, len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8,
+ 'replace', final=True) ==
(u'aaaa' + res + u'bbbb', len(seq) + 8))
res = res.replace(FFFD, u'')
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.ignore_handler) == (res, len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.ignore_handler) ==
- (u'aaaa' + res + u'bbbb', len(seq) + 8))
+ assert self.decoder(seq, len(seq), 'ignore', final=True
+ ) == (res, len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, 'ignore',
+ final=True) == (u'aaaa' + res + u'bbbb', len(seq) + 8))
def test_invalid_cb_for_4bytes_seq(self):
"""
@@ -500,17 +493,16 @@
None, final=True)
self.checkdecodeerror(seq, 'utf-8', 0, len(seq)-1, addstuff=False,
msg='invalid continuation byte')
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.replace_handler) == (res, len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.replace_handler) ==
+ assert self.decoder(seq, len(seq), 'replace', final=True
+ ) == (res, len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8,
+ 'replace', final=True) ==
(u'aaaa' + res + u'bbbb', len(seq) + 8))
res = res.replace(FFFD, u'')
- assert self.decoder(seq, len(seq), None, final=True,
- errorhandler=self.ignore_handler) == (res, len(seq))
- assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, None,
- final=True, errorhandler=self.ignore_handler) ==
- (u'aaaa' + res + u'bbbb', len(seq) + 8))
+ assert self.decoder(seq, len(seq), 'ignore', final=True
+ ) == (res, len(seq))
+ assert (self.decoder('aaaa' + seq + 'bbbb', len(seq) + 8, 'ignore',
+ final=True) == (u'aaaa' + res + u'bbbb', len(seq) + 8))
def test_utf8_errors(self):
# unexpected end of data
@@ -628,22 +620,15 @@
for n, (seq, res) in enumerate(sequences):
decoder = self.getdecoder('utf-8')
raises(UnicodeDecodeError, decoder, seq, len(seq), None,
final=True)
- assert decoder(seq, len(seq), None, final=True,
- errorhandler=self.replace_handler) == (res,
len(seq))
- assert decoder(seq + 'b', len(seq) + 1, None, final=True,
- errorhandler=self.replace_handler) == (res + u'b',
- len(seq) + 1)
+ assert decoder(seq, len(seq), 'replace', final=True
+ ) == (res, len(seq))
+ assert decoder(seq + 'b', len(seq) + 1, 'replace', final=True
+ ) == (res + u'b', len(seq) + 1)
res = res.replace(FFFD, u'')
- assert decoder(seq, len(seq), None, final=True,
- errorhandler=self.ignore_handler) == (res, len(seq))
+ assert decoder(seq, len(seq), 'ignore', final=True
+ ) == (res, len(seq))
class TestEncoding(UnicodeTests):
- def replace_handler(self, errors, codec, message, input, start, end):
- if errors=='strict':
- runicode.raise_unicode_exception_encode(errors, codec, message,
- input, start, end)
- return u'?', end
-
def test_all_ascii(self):
for i in range(128):
if sys.version >= "2.7":
@@ -723,7 +708,7 @@
encoder = self.getencoder('decimal')
assert encoder(u' 12, 34 ', 8, None) == ' 12, 34 '
raises(UnicodeEncodeError, encoder, u' 12, \u1234 ', 7, None)
- assert encoder(u'u\u1234', 2, 'replace', self.replace_handler) == 'u?'
+ assert encoder(u'u\u1234', 2, 'replace') == 'u?'
class TestTranslation(object):
def setup_class(cls):
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