traverseda
/
cpython
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

No longer attempt to instantiate python classes describing dialects. This 

was done because we were previously performing validation of the dialect
from python, but this is now down within the C module. Also, the method
we were using to detect classes did not work with new-style classes.
This commit is contained in:
Andrew McNamara 2005-01-11 02:18:36 +00:00
parent 86625972a1
commit 8c94b42f31
2 changed files with 6 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
Lib/test/test_csv.py
View File

@ -24,25 +24,12 @@ class Test_Csv(unittest.TestCase):
self.assertRaises(TypeError, ctor, arg, delimiter = 0)
self.assertRaises(TypeError, ctor, arg, delimiter = 'XX')
self.assertRaises(csv.Error, ctor, arg, 'foo')
self.assertRaises(TypeError, ctor, arg, None)
self.assertRaises(TypeError, ctor, arg, delimiter=None)
self.assertRaises(TypeError, ctor, arg, delimiter=1)
self.assertRaises(TypeError, ctor, arg, quotechar=1)
self.assertRaises(TypeError, ctor, arg, lineterminator=None)
self.assertRaises(TypeError, ctor, arg, lineterminator=1)
self.assertRaises(TypeError, ctor, arg, quoting=None)
# We now allow this, only raising an exception if quoting is needed.
# self.assertRaises(TypeError, ctor, arg, quotechar=None)
# self.assertRaises(TypeError, ctor, arg,
# quoting=csv.QUOTE_NONE, escapechar=None)
# No longer complains about dialects with invalid attributes [AM]
# class BadDialect:
# bad_attr = 0
# self.assertRaises(AttributeError, csv.reader, [], BadDialect)
class BadClass:
def __init__(self):
raise IOError
self.assertRaises(IOError, csv.reader, [], BadClass)
def test_reader_arg_valid(self):
self._test_arg_valid(csv.reader, [])
@ -258,11 +245,6 @@ class TestDialectRegistry(unittest.TestCase):
self.assertRaises(csv.Error, csv.unregister_dialect, "nonesuch")
self.assertRaises(TypeError, csv.register_dialect, None)
self.assertRaises(TypeError, csv.register_dialect, None, None)
self.assertRaises(TypeError, csv.register_dialect, "nonesuch", None)
class bogus:
def __init__(self):
raise KeyError
self.assertRaises(KeyError, csv.register_dialect, "nonesuch", bogus)
def test_registry(self):
class myexceltsv(csv.excel):

43
Modules/_csv.c
View File

@ -288,40 +288,6 @@ Dialect_dealloc(DialectObj *self)
self->ob_type->tp_free((PyObject *)self);
}
/*
* Return a new reference to a dialect instance
*
* If given a string, looks up the name in our dialect registry
* If given a class, instantiate (which runs python validity checks)
* If given an instance, return a new reference to the instance
*/
static PyObject *
dialect_instantiate(PyObject *dialect)
{
Py_INCREF(dialect);
/* If dialect is a string, look it up in our registry */
if (IS_BASESTRING(dialect)) {
PyObject * new_dia;
new_dia = get_dialect_from_registry(dialect);
Py_DECREF(dialect);
return new_dia;
}
/* A class rather than an instance? Instantiate */
if (PyObject_TypeCheck(dialect, &PyClass_Type)) {
PyObject * new_dia;
new_dia = PyObject_CallFunction(dialect, "");
Py_DECREF(dialect);
return new_dia;
}
/* Make sure we finally have an instance */
if (!PyInstance_Check(dialect)) {
PyErr_SetString(PyExc_TypeError, "dialect must be an instance");
Py_DECREF(dialect);
return NULL;
}
return dialect;
}
static char *dialect_kws[] = {
"dialect",
"delimiter",
@ -371,9 +337,12 @@ dialect_init(DialectObj * self, PyObject * args, PyObject * kwargs)
Py_XINCREF(skipinitialspace);
Py_XINCREF(strict);
if (dialect != NULL) {
dialect = dialect_instantiate(dialect);
if (dialect == NULL)
goto err;
if (IS_BASESTRING(dialect)) {
dialect = get_dialect_from_registry(dialect);
if (dialect == NULL)
goto err;
} else
Py_INCREF(dialect);
#define DIALECT_GETATTR(v, n) \
if (v == NULL) \
v = PyObject_GetAttrString(dialect, n)