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-rw-r--r--Python/Python-ast.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/Python/Python-ast.c b/Python/Python-ast.c
index 1c78515..cabc666 100644
--- a/Python/Python-ast.c
+++ b/Python/Python-ast.c
@@ -615,11 +615,29 @@ static int obj2ast_bool(PyObject* obj, bool* out, PyArena* arena)
return 0;
}
+static int add_ast_fields()
+{
+ PyObject *empty_tuple, *d;
+ if (PyType_Ready(&AST_type) < 0)
+ return -1;
+ d = AST_type.tp_dict;
+ empty_tuple = PyTuple_New(0);
+ if (!empty_tuple ||
+ PyDict_SetItemString(d, "_fields", empty_tuple) < 0 ||
+ PyDict_SetItemString(d, "_attributes", empty_tuple) < 0) {
+ Py_XDECREF(empty_tuple);
+ return -1;
+ }
+ Py_DECREF(empty_tuple);
+ return 0;
+}
+
static int init_types(void)
{
static int initialized;
if (initialized) return 1;
+ if (add_ast_fields() < 0) return 0;
mod_type = make_type("mod", &AST_type, NULL, 0);
if (!mod_type) return 0;
if (!add_attributes(mod_type, NULL, 0)) return 0;
ref='#n138'>138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340
#!/usr/bin/env python
#
# test_multibytecodec_support.py
#   Common Unittest Routines for CJK codecs
#

import sys, codecs
import unittest, re
from test import test_support
from StringIO import StringIO

class TestBase:
    encoding        = ''   # codec name
    codec           = None # codec tuple (with 4 elements)
    tstring         = ''   # string to test StreamReader

    codectests      = None # must set. codec test tuple
    roundtriptest   = 1    # set if roundtrip is possible with unicode
    has_iso10646    = 0    # set if this encoding contains whole iso10646 map
    xmlcharnametest = None # string to test xmlcharrefreplace
    unmappedunicode = u'\udeee' # a unicode codepoint that is not mapped.

    def setUp(self):
        if self.codec is None:
            self.codec = codecs.lookup(self.encoding)
        self.encode = self.codec.encode
        self.decode = self.codec.decode
        self.reader = self.codec.streamreader
        self.writer = self.codec.streamwriter
        self.incrementalencoder = self.codec.incrementalencoder
        self.incrementaldecoder = self.codec.incrementaldecoder

    def test_chunkcoding(self):
        for native, utf8 in zip(*[StringIO(f).readlines()
                                  for f in self.tstring]):
            u = self.decode(native)[0]
            self.assertEqual(u, utf8.decode('utf-8'))
            if self.roundtriptest:
                self.assertEqual(native, self.encode(u)[0])

    def test_errorhandle(self):
        for source, scheme, expected in self.codectests:
            if type(source) == type(''):
                func = self.decode
            else:
                func = self.encode
            if expected:
                result = func(source, scheme)[0]
                self.assertEqual(result, expected)
            else:
                self.assertRaises(UnicodeError, func, source, scheme)

    def test_xmlcharrefreplace(self):
        if self.has_iso10646:
            return

        s = u"\u0b13\u0b23\u0b60 nd eggs"
        self.assertEqual(
            self.encode(s, "xmlcharrefreplace")[0],
            "&#2835;&#2851;&#2912; nd eggs"
        )

    def test_customreplace_encode(self):
        if self.has_iso10646:
            return

        from htmlentitydefs import codepoint2name

        def xmlcharnamereplace(exc):
            if not isinstance(exc, UnicodeEncodeError):
                raise TypeError("don't know how to handle %r" % exc)
            l = []
            for c in exc.object[exc.start:exc.end]:
                if ord(c) in codepoint2name:
                    l.append(u"&%s;" % codepoint2name[ord(c)])
                else:
                    l.append(u"&#%d;" % ord(c))
            return (u"".join(l), exc.end)

        codecs.register_error("test.xmlcharnamereplace", xmlcharnamereplace)

        if self.xmlcharnametest:
            sin, sout = self.xmlcharnametest
        else:
            sin = u"\xab\u211c\xbb = \u2329\u1234\u232a"
            sout = "&laquo;&real;&raquo; = &lang;&#4660;&rang;"
        self.assertEqual(self.encode(sin,
                                    "test.xmlcharnamereplace")[0], sout)

    def test_callback_wrong_objects(self):
        def myreplace(exc):
            return (ret, exc.end)
        codecs.register_error("test.cjktest", myreplace)

        for ret in ([1, 2, 3], [], None, object(), 'string', ''):
            self.assertRaises(TypeError, self.encode, self.unmappedunicode,
                              'test.cjktest')

    def test_callback_long_index(self):
        def myreplace(exc):
            return (u'x', long(exc.end))
        codecs.register_error("test.cjktest", myreplace)
        self.assertEqual(self.encode(u'abcd' + self.unmappedunicode + u'efgh',
                                     'test.cjktest'), ('abcdxefgh', 9))

        def myreplace(exc):
            return (u'x', sys.maxint + 1)
        codecs.register_error("test.cjktest", myreplace)
        self.assertRaises(IndexError, self.encode, self.unmappedunicode,
                          'test.cjktest')

    def test_callback_None_index(self):
        def myreplace(exc):
            return (u'x', None)
        codecs.register_error("test.cjktest", myreplace)
        self.assertRaises(TypeError, self.encode, self.unmappedunicode,
                          'test.cjktest')

    def test_callback_backward_index(self):
        def myreplace(exc):
            if myreplace.limit > 0:
                myreplace.limit -= 1
                return (u'REPLACED', 0)
            else:
                return (u'TERMINAL', exc.end)
        myreplace.limit = 3
        codecs.register_error("test.cjktest", myreplace)
        self.assertEqual(self.encode(u'abcd' + self.unmappedunicode + u'efgh',
                                     'test.cjktest'),
                ('abcdREPLACEDabcdREPLACEDabcdREPLACEDabcdTERMINALefgh', 9))

    def test_callback_forward_index(self):
        def myreplace(exc):
            return (u'REPLACED', exc.end + 2)
        codecs.register_error("test.cjktest", myreplace)
        self.assertEqual(self.encode(u'abcd' + self.unmappedunicode + u'efgh',
                                     'test.cjktest'), ('abcdREPLACEDgh', 9))

    def test_callback_index_outofbound(self):
        def myreplace(exc):
            return (u'TERM', 100)
        codecs.register_error("test.cjktest", myreplace)
        self.assertRaises(IndexError, self.encode, self.unmappedunicode,
                          'test.cjktest')

    def test_incrementalencoder(self):
        UTF8Reader = codecs.getreader('utf-8')
        for sizehint in [None] + range(1, 33) + \
                        [64, 128, 256, 512, 1024]:
            istream = UTF8Reader(StringIO(self.tstring[1]))
            ostream = StringIO()
            encoder = self.incrementalencoder()
            while 1:
                if sizehint is not None:
                    data = istream.read(sizehint)
                else:
                    data = istream.read()

                if not data:
                    break
                e = encoder.encode(data)
                ostream.write(e)

            self.assertEqual(ostream.getvalue(), self.tstring[0])

    def test_incrementaldecoder(self):
        UTF8Writer = codecs.getwriter('utf-8')
        for sizehint in [None, -1] + range(1, 33) + \
                        [64, 128, 256, 512, 1024]:
            istream = StringIO(self.tstring[0])
            ostream = UTF8Writer(StringIO())
            decoder = self.incrementaldecoder()
            while 1:
                data = istream.read(sizehint)
                if not data:
                    break
                else:
                    u = decoder.decode(data)
                    ostream.write(u)

            self.assertEqual(ostream.getvalue(), self.tstring[1])

    def test_incrementalencoder_error_callback(self):
        inv = self.unmappedunicode

        e = self.incrementalencoder()
        self.assertRaises(UnicodeEncodeError, e.encode, inv, True)

        e.errors = 'ignore'
        self.assertEqual(e.encode(inv, True), '')

        e.reset()
        def tempreplace(exc):
            return (u'called', exc.end)
        codecs.register_error('test.incremental_error_callback', tempreplace)
        e.errors = 'test.incremental_error_callback'
        self.assertEqual(e.encode(inv, True), 'called')

        # again
        e.errors = 'ignore'
        self.assertEqual(e.encode(inv, True), '')

    def test_streamreader(self):
        UTF8Writer = codecs.getwriter('utf-8')
        for name in ["read", "readline", "readlines"]:
            for sizehint in [None, -1] + range(1, 33) + \
                            [64, 128, 256, 512, 1024]:
                istream = self.reader(StringIO(self.tstring[0]))
                ostream = UTF8Writer(StringIO())
                func = getattr(istream, name)
                while 1:
                    data = func(sizehint)
                    if not data:
                        break
                    if name == "readlines":
                        ostream.writelines(data)
                    else:
                        ostream.write(data)

                self.assertEqual(ostream.getvalue(), self.tstring[1])

    def test_streamwriter(self):
        readfuncs = ('read', 'readline', 'readlines')
        UTF8Reader = codecs.getreader('utf-8')
        for name in readfuncs:
            for sizehint in [None] + range(1, 33) + \
                            [64, 128, 256, 512, 1024]:
                istream = UTF8Reader(StringIO(self.tstring[1]))
                ostream = self.writer(StringIO())
                func = getattr(istream, name)
                while 1:
                    if sizehint is not None:
                        data = func(sizehint)
                    else:
                        data = func()

                    if not data:
                        break
                    if name == "readlines":
                        ostream.writelines(data)
                    else:
                        ostream.write(data)

                self.assertEqual(ostream.getvalue(), self.tstring[0])

if len(u'\U00012345') == 2: # ucs2 build
    _unichr = unichr
    def unichr(v):
        if v >= 0x10000:
            return _unichr(0xd800 + ((v - 0x10000) >> 10)) + \
                   _unichr(0xdc00 + ((v - 0x10000) & 0x3ff))
        else:
            return _unichr(v)
    _ord = ord
    def ord(c):
        if len(c) == 2:
            return 0x10000 + ((_ord(c[0]) - 0xd800) << 10) + \
                          (ord(c[1]) - 0xdc00)
        else:
            return _ord(c)

class TestBase_Mapping(unittest.TestCase):
    pass_enctest = []
    pass_dectest = []
    supmaps = []

    def __init__(self, *args, **kw):
        unittest.TestCase.__init__(self, *args, **kw)
        self.open_mapping_file() # test it to report the error early

    def open_mapping_file(self):
        return test_support.open_urlresource(self.mapfileurl)

    def test_mapping_file(self):
        if self.mapfileurl.endswith('.xml'):
            self._test_mapping_file_ucm()
        else:
            self._test_mapping_file_plain()

    def _test_mapping_file_plain(self):
        unichrs = lambda s: u''.join(map(unichr, map(eval, s.split('+'))))
        urt_wa = {}

        for line in self.open_mapping_file():
            if not line:
                break
            data = line.split('#')[0].strip().split()
            if len(data) != 2:
                continue

            csetval = eval(data[0])
            if csetval <= 0x7F:
                csetch = chr(csetval & 0xff)
            elif csetval >= 0x1000000:
                csetch = chr(csetval >> 24) + chr((csetval >> 16) & 0xff) + \
                         chr((csetval >> 8) & 0xff) + chr(csetval & 0xff)
            elif csetval >= 0x10000:
                csetch = chr(csetval >> 16) + \
                         chr((csetval >> 8) & 0xff) + chr(csetval & 0xff)
            elif csetval >= 0x100:
                csetch = chr(csetval >> 8) + chr(csetval & 0xff)
            else:
                continue

            unich = unichrs(data[1])
            if ord(unich) == 0xfffd or urt_wa.has_key(unich):
                continue
            urt_wa[unich] = csetch

            self._testpoint(csetch, unich)

    def _test_mapping_file_ucm(self):
        ucmdata = self.open_mapping_file().read()
        uc = re.findall('<a u="([A-F0-9]{4})" b="([0-9A-F ]+)"/>', ucmdata)
        for uni, coded in uc:
            unich = unichr(int(uni, 16))
            codech = ''.join(chr(int(c, 16)) for c in coded.split())
            self._testpoint(codech, unich)

    def test_mapping_supplemental(self):
        for mapping in self.supmaps:
            self._testpoint(*mapping)

    def _testpoint(self, csetch, unich):
        if (csetch, unich) not in self.pass_enctest:
            try:
                self.assertEqual(unich.encode(self.encoding), csetch)
            except UnicodeError, exc:
                self.fail('Encoding failed while testing %s -> %s: %s' % (
                            repr(unich), repr(csetch), exc.reason))
        if (csetch, unich) not in self.pass_dectest:
            try:
                self.assertEqual(csetch.decode(self.encoding), unich)
            except UnicodeError, exc:
                self.fail('Decoding failed while testing %s -> %s: %s' % (
                            repr(csetch), repr(unich), exc.reason))

def load_teststring(encoding):
    from test import cjkencodings_test
    return cjkencodings_test.teststring[encoding]