Recorded merge of revisions 81029 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines

  Untabify C files. Will watch buildbots.
........

1 files changed, 641 insertions, 641 deletions

diff --git a/Python/errors.c b/Python/errors.c
index 274bdbe..e98d7a9 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -24,166 +24,166 @@ extern "C" {
 void
 PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
 {
-	PyThreadState *tstate = PyThreadState_GET();
-	PyObject *oldtype, *oldvalue, *oldtraceback;
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject *oldtype, *oldvalue, *oldtraceback;
 
-	if (traceback != NULL && !PyTraceBack_Check(traceback)) {
-		/* XXX Should never happen -- fatal error instead? */
-		/* Well, it could be None. */
-		Py_DECREF(traceback);
-		traceback = NULL;
-	}
+    if (traceback != NULL && !PyTraceBack_Check(traceback)) {
+        /* XXX Should never happen -- fatal error instead? */
+        /* Well, it could be None. */
+        Py_DECREF(traceback);
+        traceback = NULL;
+    }
 
-	/* Save these in locals to safeguard against recursive
-	   invocation through Py_XDECREF */
-	oldtype = tstate->curexc_type;
-	oldvalue = tstate->curexc_value;
-	oldtraceback = tstate->curexc_traceback;
+    /* Save these in locals to safeguard against recursive
+       invocation through Py_XDECREF */
+    oldtype = tstate->curexc_type;
+    oldvalue = tstate->curexc_value;
+    oldtraceback = tstate->curexc_traceback;
 
-	tstate->curexc_type = type;
-	tstate->curexc_value = value;
-	tstate->curexc_traceback = traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = traceback;
 
-	Py_XDECREF(oldtype);
-	Py_XDECREF(oldvalue);
-	Py_XDECREF(oldtraceback);
+    Py_XDECREF(oldtype);
+    Py_XDECREF(oldvalue);
+    Py_XDECREF(oldtraceback);
 }
 
 void
 PyErr_SetObject(PyObject *exception, PyObject *value)
 {
-	PyThreadState *tstate = PyThreadState_GET();
-	PyObject *exc_value;
-	PyObject *tb = NULL;
-
-	if (exception != NULL &&
-	    !PyExceptionClass_Check(exception)) {
-		PyErr_Format(PyExc_SystemError,
-			     "exception %R not a BaseException subclass",
-			     exception);
-		return;
-	}
-	Py_XINCREF(value);
-	exc_value = tstate->exc_value;
-	if (exc_value != NULL && exc_value != Py_None) {
-		/* Implicit exception chaining */
-		Py_INCREF(exc_value);
-		if (value == NULL || !PyExceptionInstance_Check(value)) {
-			/* We must normalize the value right now */
-			PyObject *args, *fixed_value;
-			if (value == NULL || value == Py_None)
-				args = PyTuple_New(0);
-			else if (PyTuple_Check(value)) {
-				Py_INCREF(value);
-				args = value;
-			}
-			else
-				args = PyTuple_Pack(1, value);
-			fixed_value = args ?
-				PyEval_CallObject(exception, args) : NULL;
-			Py_XDECREF(args);
-			Py_XDECREF(value);
-			if (fixed_value == NULL)
-				return;
-			value = fixed_value;
-		}
-		/* Avoid reference cycles through the context chain.
-		   This is O(chain length) but context chains are
-		   usually very short. Sensitive readers may try
-		   to inline the call to PyException_GetContext. */
-		if (exc_value != value) {
-			PyObject *o = exc_value, *context;
-			while ((context = PyException_GetContext(o))) {
-				Py_DECREF(context);
-				if (context == value) {
-					PyException_SetContext(o, NULL);
-					break;
-				}
-				o = context;
-			}
- 			PyException_SetContext(value, exc_value);
-		} else {
-			Py_DECREF(exc_value);
-		}
-	}
-	if (value != NULL && PyExceptionInstance_Check(value))
-		tb = PyException_GetTraceback(value);
-	Py_XINCREF(exception);
-	PyErr_Restore(exception, value, tb);
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject *exc_value;
+    PyObject *tb = NULL;
+
+    if (exception != NULL &&
+        !PyExceptionClass_Check(exception)) {
+        PyErr_Format(PyExc_SystemError,
+                     "exception %R not a BaseException subclass",
+                     exception);
+        return;
+    }
+    Py_XINCREF(value);
+    exc_value = tstate->exc_value;
+    if (exc_value != NULL && exc_value != Py_None) {
+        /* Implicit exception chaining */
+        Py_INCREF(exc_value);
+        if (value == NULL || !PyExceptionInstance_Check(value)) {
+            /* We must normalize the value right now */
+            PyObject *args, *fixed_value;
+            if (value == NULL || value == Py_None)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            }
+            else
+                args = PyTuple_Pack(1, value);
+            fixed_value = args ?
+                PyEval_CallObject(exception, args) : NULL;
+            Py_XDECREF(args);
+            Py_XDECREF(value);
+            if (fixed_value == NULL)
+                return;
+            value = fixed_value;
+        }
+        /* Avoid reference cycles through the context chain.
+           This is O(chain length) but context chains are
+           usually very short. Sensitive readers may try
+           to inline the call to PyException_GetContext. */
+        if (exc_value != value) {
+            PyObject *o = exc_value, *context;
+            while ((context = PyException_GetContext(o))) {
+                Py_DECREF(context);
+                if (context == value) {
+                    PyException_SetContext(o, NULL);
+                    break;
+                }
+                o = context;
+            }
+            PyException_SetContext(value, exc_value);
+        } else {
+            Py_DECREF(exc_value);
+        }
+    }
+    if (value != NULL && PyExceptionInstance_Check(value))
+        tb = PyException_GetTraceback(value);
+    Py_XINCREF(exception);
+    PyErr_Restore(exception, value, tb);
 }
 
 void
 PyErr_SetNone(PyObject *exception)
 {
-	PyErr_SetObject(exception, (PyObject *)NULL);
+    PyErr_SetObject(exception, (PyObject *)NULL);
 }
 
 void
 PyErr_SetString(PyObject *exception, const char *string)
 {
-	PyObject *value = PyUnicode_FromString(string);
-	PyErr_SetObject(exception, value);
-	Py_XDECREF(value);
+    PyObject *value = PyUnicode_FromString(string);
+    PyErr_SetObject(exception, value);
+    Py_XDECREF(value);
 }
 
 
 PyObject *
 PyErr_Occurred(void)
 {
-	PyThreadState *tstate = PyThreadState_GET();
+    PyThreadState *tstate = PyThreadState_GET();
 
-	return tstate->curexc_type;
+    return tstate->curexc_type;
 }
 
 
 int
 PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc)
 {
-	if (err == NULL || exc == NULL) {
-		/* maybe caused by "import exceptions" that failed early on */
-		return 0;
-	}
-	if (PyTuple_Check(exc)) {
-		Py_ssize_t i, n;
-		n = PyTuple_Size(exc);
-		for (i = 0; i < n; i++) {
-			/* Test recursively */
-		     if (PyErr_GivenExceptionMatches(
-			     err, PyTuple_GET_ITEM(exc, i)))
-		     {
-			     return 1;
-		     }
-		}
-		return 0;
-	}
-	/* err might be an instance, so check its class. */
-	if (PyExceptionInstance_Check(err))
-		err = PyExceptionInstance_Class(err);
-
-	if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) {
-		int res = 0;
-		PyObject *exception, *value, *tb;
-		PyErr_Fetch(&exception, &value, &tb);
-		/* PyObject_IsSubclass() can recurse and therefore is
-		   not safe (see test_bad_getattr in test.pickletester). */
-		res = PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc);
-		/* This function must not fail, so print the error here */
-		if (res == -1) {
-			PyErr_WriteUnraisable(err);
-			res = 0;
-		}
-		PyErr_Restore(exception, value, tb);
-		return res;
-	}
-
-	return err == exc;
+    if (err == NULL || exc == NULL) {
+        /* maybe caused by "import exceptions" that failed early on */
+        return 0;
+    }
+    if (PyTuple_Check(exc)) {
+        Py_ssize_t i, n;
+        n = PyTuple_Size(exc);
+        for (i = 0; i < n; i++) {
+            /* Test recursively */
+             if (PyErr_GivenExceptionMatches(
+                 err, PyTuple_GET_ITEM(exc, i)))
+             {
+                 return 1;
+             }
+        }
+        return 0;
+    }
+    /* err might be an instance, so check its class. */
+    if (PyExceptionInstance_Check(err))
+        err = PyExceptionInstance_Class(err);
+
+    if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) {
+        int res = 0;
+        PyObject *exception, *value, *tb;
+        PyErr_Fetch(&exception, &value, &tb);
+        /* PyObject_IsSubclass() can recurse and therefore is
+           not safe (see test_bad_getattr in test.pickletester). */
+        res = PyType_IsSubtype((PyTypeObject *)err, (PyTypeObject *)exc);
+        /* This function must not fail, so print the error here */
+        if (res == -1) {
+            PyErr_WriteUnraisable(err);
+            res = 0;
+        }
+        PyErr_Restore(exception, value, tb);
+        return res;
+    }
+
+    return err == exc;
 }
 
 
 int
 PyErr_ExceptionMatches(PyObject *exc)
 {
-	return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
+    return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc);
 }
 
 
@@ -191,128 +191,128 @@ PyErr_ExceptionMatches(PyObject *exc)
    eval_code2(), do_raise(), and PyErr_Print()
 
    XXX: should PyErr_NormalizeException() also call
-	    PyException_SetTraceback() with the resulting value and tb?
+            PyException_SetTraceback() with the resulting value and tb?
 */
 void
 PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb)
 {
-	PyObject *type = *exc;
-	PyObject *value = *val;
-	PyObject *inclass = NULL;
-	PyObject *initial_tb = NULL;
-	PyThreadState *tstate = NULL;
-
-	if (type == NULL) {
-		/* There was no exception, so nothing to do. */
-		return;
-	}
-
-	/* If PyErr_SetNone() was used, the value will have been actually
-	   set to NULL.
-	*/
-	if (!value) {
-		value = Py_None;
-		Py_INCREF(value);
-	}
-
-	if (PyExceptionInstance_Check(value))
-		inclass = PyExceptionInstance_Class(value);
-
-	/* Normalize the exception so that if the type is a class, the
-	   value will be an instance.
-	*/
-	if (PyExceptionClass_Check(type)) {
-		/* if the value was not an instance, or is not an instance
-		   whose class is (or is derived from) type, then use the
-		   value as an argument to instantiation of the type
-		   class.
-		*/
-		if (!inclass || !PyObject_IsSubclass(inclass, type)) {
-			PyObject *args, *res;
-
-			if (value == Py_None)
-				args = PyTuple_New(0);
-			else if (PyTuple_Check(value)) {
-				Py_INCREF(value);
-				args = value;
-			}
-			else
-				args = PyTuple_Pack(1, value);
-
-			if (args == NULL)
-				goto finally;
-			res = PyEval_CallObject(type, args);
-			Py_DECREF(args);
-			if (res == NULL)
-				goto finally;
-			Py_DECREF(value);
-			value = res;
-		}
-		/* if the class of the instance doesn't exactly match the
-		   class of the type, believe the instance
-		*/
-		else if (inclass != type) {
- 			Py_DECREF(type);
-			type = inclass;
-			Py_INCREF(type);
-		}
-	}
-	*exc = type;
-	*val = value;
-	return;
+    PyObject *type = *exc;
+    PyObject *value = *val;
+    PyObject *inclass = NULL;
+    PyObject *initial_tb = NULL;
+    PyThreadState *tstate = NULL;
+
+    if (type == NULL) {
+        /* There was no exception, so nothing to do. */
+        return;
+    }
+
+    /* If PyErr_SetNone() was used, the value will have been actually
+       set to NULL.
+    */
+    if (!value) {
+        value = Py_None;
+        Py_INCREF(value);
+    }
+
+    if (PyExceptionInstance_Check(value))
+        inclass = PyExceptionInstance_Class(value);
+
+    /* Normalize the exception so that if the type is a class, the
+       value will be an instance.
+    */
+    if (PyExceptionClass_Check(type)) {
+        /* if the value was not an instance, or is not an instance
+           whose class is (or is derived from) type, then use the
+           value as an argument to instantiation of the type
+           class.
+        */
+        if (!inclass || !PyObject_IsSubclass(inclass, type)) {
+            PyObject *args, *res;
+
+            if (value == Py_None)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            }
+            else
+                args = PyTuple_Pack(1, value);
+
+            if (args == NULL)
+                goto finally;
+            res = PyEval_CallObject(type, args);
+            Py_DECREF(args);
+            if (res == NULL)
+                goto finally;
+            Py_DECREF(value);
+            value = res;
+        }
+        /* if the class of the instance doesn't exactly match the
+           class of the type, believe the instance
+        */
+        else if (inclass != type) {
+            Py_DECREF(type);
+            type = inclass;
+            Py_INCREF(type);
+        }
+    }
+    *exc = type;
+    *val = value;
+    return;
 finally:
-	Py_DECREF(type);
-	Py_DECREF(value);
-	/* If the new exception doesn't set a traceback and the old
-	   exception had a traceback, use the old traceback for the
-	   new exception.  It's better than nothing.
-	*/
-	initial_tb = *tb;
-	PyErr_Fetch(exc, val, tb);
-	if (initial_tb != NULL) {
-		if (*tb == NULL)
-			*tb = initial_tb;
-		else
-			Py_DECREF(initial_tb);
-	}
-	/* normalize recursively */
-	tstate = PyThreadState_GET();
-	if (++tstate->recursion_depth > Py_GetRecursionLimit()) {
-	    --tstate->recursion_depth;
-	    /* throw away the old exception... */
-	    Py_DECREF(*exc);
-	    Py_DECREF(*val);
-	    /* ... and use the recursion error instead */
-	    *exc = PyExc_RuntimeError;
-	    *val = PyExc_RecursionErrorInst;
-	    Py_INCREF(*exc);
-	    Py_INCREF(*val);
-	    /* just keeping the old traceback */
-	    return;
-	}
-	PyErr_NormalizeException(exc, val, tb);
-	--tstate->recursion_depth;
+    Py_DECREF(type);
+    Py_DECREF(value);
+    /* If the new exception doesn't set a traceback and the old
+       exception had a traceback, use the old traceback for the
+       new exception.  It's better than nothing.
+    */
+    initial_tb = *tb;
+    PyErr_Fetch(exc, val, tb);
+    if (initial_tb != NULL) {
+        if (*tb == NULL)
+            *tb = initial_tb;
+        else
+            Py_DECREF(initial_tb);
+    }
+    /* normalize recursively */
+    tstate = PyThreadState_GET();
+    if (++tstate->recursion_depth > Py_GetRecursionLimit()) {
+        --tstate->recursion_depth;
+        /* throw away the old exception... */
+        Py_DECREF(*exc);
+        Py_DECREF(*val);
+        /* ... and use the recursion error instead */
+        *exc = PyExc_RuntimeError;
+        *val = PyExc_RecursionErrorInst;
+        Py_INCREF(*exc);
+        Py_INCREF(*val);
+        /* just keeping the old traceback */
+        return;
+    }
+    PyErr_NormalizeException(exc, val, tb);
+    --tstate->recursion_depth;
 }
 
 
 void
 PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback)
 {
-	PyThreadState *tstate = PyThreadState_GET();
+    PyThreadState *tstate = PyThreadState_GET();
 
-	*p_type = tstate->curexc_type;
-	*p_value = tstate->curexc_value;
-	*p_traceback = tstate->curexc_traceback;
+    *p_type = tstate->curexc_type;
+    *p_value = tstate->curexc_value;
+    *p_traceback = tstate->curexc_traceback;
 
-	tstate->curexc_type = NULL;
-	tstate->curexc_value = NULL;
-	tstate->curexc_traceback = NULL;
+    tstate->curexc_type = NULL;
+    tstate->curexc_value = NULL;
+    tstate->curexc_traceback = NULL;
 }
 
 void
 PyErr_Clear(void)
 {
-	PyErr_Restore(NULL, NULL, NULL);
+    PyErr_Restore(NULL, NULL, NULL);
 }
 
 /* Convenience functions to set a type error exception and return 0 */
@@ -320,284 +320,284 @@ PyErr_Clear(void)
 int
 PyErr_BadArgument(void)
 {
-	PyErr_SetString(PyExc_TypeError,
-			"bad argument type for built-in operation");
-	return 0;
+    PyErr_SetString(PyExc_TypeError,
+                    "bad argument type for built-in operation");
+    return 0;
 }
 
 PyObject *
 PyErr_NoMemory(void)
 {
-	if (PyErr_ExceptionMatches(PyExc_MemoryError))
-		/* already current */
-		return NULL;
-
-	/* raise the pre-allocated instance if it still exists */
-	if (PyExc_MemoryErrorInst)
-	{
-		/* Clear the previous traceback, otherwise it will be appended
-		 * to the current one.
-		 *
-		 * The following statement is not likely to raise any error;
-		 * if it does, we simply discard it.
-		 */
-		PyException_SetTraceback(PyExc_MemoryErrorInst, Py_None);
-
-		PyErr_SetObject(PyExc_MemoryError, PyExc_MemoryErrorInst);
-	}
-	else
-		/* this will probably fail since there's no memory and hee,
-		   hee, we have to instantiate this class
-		*/
-		PyErr_SetNone(PyExc_MemoryError);
-
-	return NULL;
+    if (PyErr_ExceptionMatches(PyExc_MemoryError))
+        /* already current */
+        return NULL;
+
+    /* raise the pre-allocated instance if it still exists */
+    if (PyExc_MemoryErrorInst)
+    {
+        /* Clear the previous traceback, otherwise it will be appended
+         * to the current one.
+         *
+         * The following statement is not likely to raise any error;
+         * if it does, we simply discard it.
+         */
+        PyException_SetTraceback(PyExc_MemoryErrorInst, Py_None);
+
+        PyErr_SetObject(PyExc_MemoryError, PyExc_MemoryErrorInst);
+    }
+    else
+        /* this will probably fail since there's no memory and hee,
+           hee, we have to instantiate this class
+        */
+        PyErr_SetNone(PyExc_MemoryError);
+
+    return NULL;
 }
 
 PyObject *
 PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject)
 {
-	PyObject *message;
-	PyObject *v;
-	int i = errno;
+    PyObject *message;
+    PyObject *v;
+    int i = errno;
 #ifndef MS_WINDOWS
-	char *s;
+    char *s;
 #else
-	WCHAR *s_buf = NULL;
+    WCHAR *s_buf = NULL;
 #endif /* Unix/Windows */
 
 #ifdef EINTR
-	if (i == EINTR && PyErr_CheckSignals())
-		return NULL;
+    if (i == EINTR && PyErr_CheckSignals())
+        return NULL;
 #endif
 
 #ifndef MS_WINDOWS
-	if (i == 0)
-		s = "Error"; /* Sometimes errno didn't get set */
-	else
-		s = strerror(i);
-	message = PyUnicode_DecodeUTF8(s, strlen(s), "ignore");
+    if (i == 0)
+        s = "Error"; /* Sometimes errno didn't get set */
+    else
+        s = strerror(i);
+    message = PyUnicode_DecodeUTF8(s, strlen(s), "ignore");
 #else
-	if (i == 0)
-		message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */
-	else
-	{
-		/* Note that the Win32 errors do not lineup with the
-		   errno error.  So if the error is in the MSVC error
-		   table, we use it, otherwise we assume it really _is_
-		   a Win32 error code
-		*/
-		if (i > 0 && i < _sys_nerr) {
-			message = PyUnicode_FromString(_sys_errlist[i]);
-		}
-		else {
-			int len = FormatMessageW(
-				FORMAT_MESSAGE_ALLOCATE_BUFFER |
-				FORMAT_MESSAGE_FROM_SYSTEM |
-				FORMAT_MESSAGE_IGNORE_INSERTS,
-				NULL,	/* no message source */
-				i,
-				MAKELANGID(LANG_NEUTRAL,
-					   SUBLANG_DEFAULT),
-				           /* Default language */
-				(LPWSTR) &s_buf,
-				0,	/* size not used */
-				NULL);	/* no args */
-			if (len==0) {
-				/* Only ever seen this in out-of-mem
-				   situations */
-				s_buf = NULL;
-				message = PyUnicode_FromFormat("Windows Error 0x%X", i);
-			} else {
-				/* remove trailing cr/lf and dots */
-				while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
-					s_buf[--len] = L'\0';
-				message = PyUnicode_FromUnicode(s_buf, len);
-			}
-		}
-	}
+    if (i == 0)
+        message = PyUnicode_FromString("Error"); /* Sometimes errno didn't get set */
+    else
+    {
+        /* Note that the Win32 errors do not lineup with the
+           errno error.  So if the error is in the MSVC error
+           table, we use it, otherwise we assume it really _is_
+           a Win32 error code
+        */
+        if (i > 0 && i < _sys_nerr) {
+            message = PyUnicode_FromString(_sys_errlist[i]);
+        }
+        else {
+            int len = FormatMessageW(
+                FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                FORMAT_MESSAGE_FROM_SYSTEM |
+                FORMAT_MESSAGE_IGNORE_INSERTS,
+                NULL,                   /* no message source */
+                i,
+                MAKELANGID(LANG_NEUTRAL,
+                           SUBLANG_DEFAULT),
+                           /* Default language */
+                (LPWSTR) &s_buf,
+                0,                      /* size not used */
+                NULL);                  /* no args */
+            if (len==0) {
+                /* Only ever seen this in out-of-mem
+                   situations */
+                s_buf = NULL;
+                message = PyUnicode_FromFormat("Windows Error 0x%X", i);
+            } else {
+                /* remove trailing cr/lf and dots */
+                while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
+                    s_buf[--len] = L'\0';
+                message = PyUnicode_FromUnicode(s_buf, len);
+            }
+        }
+    }
 #endif /* Unix/Windows */
 
-	if (message == NULL)
-	{
+    if (message == NULL)
+    {
 #ifdef MS_WINDOWS
-		LocalFree(s_buf);
+        LocalFree(s_buf);
 #endif
-		return NULL;
-	}
-
-	if (filenameObject != NULL)
-		v = Py_BuildValue("(iOO)", i, message, filenameObject);
-	else
-		v = Py_BuildValue("(iO)", i, message);
-	Py_DECREF(message);
-
-	if (v != NULL) {
-		PyErr_SetObject(exc, v);
-		Py_DECREF(v);
-	}
+        return NULL;
+    }
+
+    if (filenameObject != NULL)
+        v = Py_BuildValue("(iOO)", i, message, filenameObject);
+    else
+        v = Py_BuildValue("(iO)", i, message);
+    Py_DECREF(message);
+
+    if (v != NULL) {
+        PyErr_SetObject(exc, v);
+        Py_DECREF(v);
+    }
 #ifdef MS_WINDOWS
-	LocalFree(s_buf);
+    LocalFree(s_buf);
 #endif
-	return NULL;
+    return NULL;
 }
 
 
 PyObject *
 PyErr_SetFromErrnoWithFilename(PyObject *exc, const char *filename)
 {
-	PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
-	PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
-	Py_XDECREF(name);
-	return result;
+    PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
+    PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
+    Py_XDECREF(name);
+    return result;
 }
 
 #ifdef MS_WINDOWS
 PyObject *
 PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, const Py_UNICODE *filename)
 {
-	PyObject *name = filename ?
-	                 PyUnicode_FromUnicode(filename, wcslen(filename)) :
-	                 NULL;
-	PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
-	Py_XDECREF(name);
-	return result;
+    PyObject *name = filename ?
+                     PyUnicode_FromUnicode(filename, wcslen(filename)) :
+             NULL;
+    PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name);
+    Py_XDECREF(name);
+    return result;
 }
 #endif /* MS_WINDOWS */
 
 PyObject *
 PyErr_SetFromErrno(PyObject *exc)
 {
-	return PyErr_SetFromErrnoWithFilenameObject(exc, NULL);
+    return PyErr_SetFromErrnoWithFilenameObject(exc, NULL);
 }
 
 #ifdef MS_WINDOWS
 /* Windows specific error code handling */
 PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject(
-	PyObject *exc,
-	int ierr,
-	PyObject *filenameObject)
+    PyObject *exc,
+    int ierr,
+    PyObject *filenameObject)
 {
-	int len;
-	WCHAR *s_buf = NULL; /* Free via LocalFree */
-	PyObject *message;
-	PyObject *v;
-	DWORD err = (DWORD)ierr;
-	if (err==0) err = GetLastError();
-	len = FormatMessageW(
-		/* Error API error */
-		FORMAT_MESSAGE_ALLOCATE_BUFFER |
-		FORMAT_MESSAGE_FROM_SYSTEM |
-		FORMAT_MESSAGE_IGNORE_INSERTS,
-		NULL,	/* no message source */
-		err,
-		MAKELANGID(LANG_NEUTRAL,
-		SUBLANG_DEFAULT), /* Default language */
-		(LPWSTR) &s_buf,
-		0,	/* size not used */
-		NULL);	/* no args */
-	if (len==0) {
-		/* Only seen this in out of mem situations */
-		message = PyUnicode_FromFormat("Windows Error 0x%X", err);
-		s_buf = NULL;
-	} else {
-		/* remove trailing cr/lf and dots */
-		while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
-			s_buf[--len] = L'\0';
-		message = PyUnicode_FromUnicode(s_buf, len);
-	}
-
-	if (message == NULL)
-	{
-		LocalFree(s_buf);
-		return NULL;
-	}
-
-	if (filenameObject != NULL)
-		v = Py_BuildValue("(iOO)", err, message, filenameObject);
-	else
-		v = Py_BuildValue("(iO)", err, message);
-	Py_DECREF(message);
-
-	if (v != NULL) {
-		PyErr_SetObject(exc, v);
-		Py_DECREF(v);
-	}
-	LocalFree(s_buf);
-	return NULL;
+    int len;
+    WCHAR *s_buf = NULL; /* Free via LocalFree */
+    PyObject *message;
+    PyObject *v;
+    DWORD err = (DWORD)ierr;
+    if (err==0) err = GetLastError();
+    len = FormatMessageW(
+        /* Error API error */
+        FORMAT_MESSAGE_ALLOCATE_BUFFER |
+        FORMAT_MESSAGE_FROM_SYSTEM |
+        FORMAT_MESSAGE_IGNORE_INSERTS,
+        NULL,           /* no message source */
+        err,
+        MAKELANGID(LANG_NEUTRAL,
+        SUBLANG_DEFAULT), /* Default language */
+        (LPWSTR) &s_buf,
+        0,              /* size not used */
+        NULL);          /* no args */
+    if (len==0) {
+        /* Only seen this in out of mem situations */
+        message = PyUnicode_FromFormat("Windows Error 0x%X", err);
+        s_buf = NULL;
+    } else {
+        /* remove trailing cr/lf and dots */
+        while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
+            s_buf[--len] = L'\0';
+        message = PyUnicode_FromUnicode(s_buf, len);
+    }
+
+    if (message == NULL)
+    {
+        LocalFree(s_buf);
+        return NULL;
+    }
+
+    if (filenameObject != NULL)
+        v = Py_BuildValue("(iOO)", err, message, filenameObject);
+    else
+        v = Py_BuildValue("(iO)", err, message);
+    Py_DECREF(message);
+
+    if (v != NULL) {
+        PyErr_SetObject(exc, v);
+        Py_DECREF(v);
+    }
+    LocalFree(s_buf);
+    return NULL;
 }
 
 PyObject *PyErr_SetExcFromWindowsErrWithFilename(
-	PyObject *exc,
-	int ierr,
-	const char *filename)
+    PyObject *exc,
+    int ierr,
+    const char *filename)
 {
-	PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
-	PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
-	                                                             ierr,
-	                                                             name);
-	Py_XDECREF(name);
-	return ret;
+    PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
+    PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
+                                                                 ierr,
+                                                                 name);
+    Py_XDECREF(name);
+    return ret;
 }
 
 PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename(
-	PyObject *exc,
-	int ierr,
-	const Py_UNICODE *filename)
+    PyObject *exc,
+    int ierr,
+    const Py_UNICODE *filename)
 {
-	PyObject *name = filename ?
-	                 PyUnicode_FromUnicode(filename, wcslen(filename)) :
-	                 NULL;
-	PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
-	                                                             ierr,
-	                                                             name);
-	Py_XDECREF(name);
-	return ret;
+    PyObject *name = filename ?
+                     PyUnicode_FromUnicode(filename, wcslen(filename)) :
+             NULL;
+    PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc,
+                                                                 ierr,
+                                                                 name);
+    Py_XDECREF(name);
+    return ret;
 }
 
 PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
 {
-	return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL);
+    return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL);
 }
 
 PyObject *PyErr_SetFromWindowsErr(int ierr)
 {
-	return PyErr_SetExcFromWindowsErrWithFilename(PyExc_WindowsError,
-						      ierr, NULL);
+    return PyErr_SetExcFromWindowsErrWithFilename(PyExc_WindowsError,
+                                                  ierr, NULL);
 }
 PyObject *PyErr_SetFromWindowsErrWithFilename(
-	int ierr,
-	const char *filename)
+    int ierr,
+    const char *filename)
 {
-	PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
-	PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
-						      PyExc_WindowsError,
-						      ierr, name);
-	Py_XDECREF(name);
-	return result;
+    PyObject *name = filename ? PyUnicode_FromString(filename) : NULL;
+    PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
+                                                  PyExc_WindowsError,
+                                                  ierr, name);
+    Py_XDECREF(name);
+    return result;
 }
 
 PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
-	int ierr,
-	const Py_UNICODE *filename)
+    int ierr,
+    const Py_UNICODE *filename)
 {
-	PyObject *name = filename ?
-	                 PyUnicode_FromUnicode(filename, wcslen(filename)) :
-	                 NULL;
-	PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
-						      PyExc_WindowsError,
-						      ierr, name);
-	Py_XDECREF(name);
-	return result;
+    PyObject *name = filename ?
+                     PyUnicode_FromUnicode(filename, wcslen(filename)) :
+             NULL;
+    PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
+                                                  PyExc_WindowsError,
+                                                  ierr, name);
+    Py_XDECREF(name);
+    return result;
 }
 #endif /* MS_WINDOWS */
 
 void
 _PyErr_BadInternalCall(const char *filename, int lineno)
 {
-	PyErr_Format(PyExc_SystemError,
-		     "%s:%d: bad argument to internal function",
-		     filename, lineno);
+    PyErr_Format(PyExc_SystemError,
+                 "%s:%d: bad argument to internal function",
+                 filename, lineno);
 }
 
 /* Remove the preprocessor macro for PyErr_BadInternalCall() so that we can
@@ -606,8 +606,8 @@ _PyErr_BadInternalCall(const char *filename, int lineno)
 void
 PyErr_BadInternalCall(void)
 {
-	PyErr_Format(PyExc_SystemError,
-		     "bad argument to internal function");
+    PyErr_Format(PyExc_SystemError,
+                 "bad argument to internal function");
 }
 #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
 
@@ -616,20 +616,20 @@ PyErr_BadInternalCall(void)
 PyObject *
 PyErr_Format(PyObject *exception, const char *format, ...)
 {
-	va_list vargs;
-	PyObject* string;
+    va_list vargs;
+    PyObject* string;
 
 #ifdef HAVE_STDARG_PROTOTYPES
-	va_start(vargs, format);
+    va_start(vargs, format);
 #else
-	va_start(vargs);
+    va_start(vargs);
 #endif
 
-	string = PyUnicode_FromFormatV(format, vargs);
-	PyErr_SetObject(exception, string);
-	Py_XDECREF(string);
-	va_end(vargs);
-	return NULL;
+    string = PyUnicode_FromFormatV(format, vargs);
+    PyErr_SetObject(exception, string);
+    Py_XDECREF(string);
+    va_end(vargs);
+    return NULL;
 }
 
 
@@ -637,85 +637,85 @@ PyErr_Format(PyObject *exception, const char *format, ...)
 PyObject *
 PyErr_NewException(const char *name, PyObject *base, PyObject *dict)
 {
-	const char *dot;
-	PyObject *modulename = NULL;
-	PyObject *classname = NULL;
-	PyObject *mydict = NULL;
-	PyObject *bases = NULL;
-	PyObject *result = NULL;
-	dot = strrchr(name, '.');
-	if (dot == NULL) {
-		PyErr_SetString(PyExc_SystemError,
-			"PyErr_NewException: name must be module.class");
-		return NULL;
-	}
-	if (base == NULL)
-		base = PyExc_Exception;
-	if (dict == NULL) {
-		dict = mydict = PyDict_New();
-		if (dict == NULL)
-			goto failure;
-	}
-	if (PyDict_GetItemString(dict, "__module__") == NULL) {
-		modulename = PyUnicode_FromStringAndSize(name,
-						     (Py_ssize_t)(dot-name));
-		if (modulename == NULL)
-			goto failure;
-		if (PyDict_SetItemString(dict, "__module__", modulename) != 0)
-			goto failure;
-	}
-	if (PyTuple_Check(base)) {
-		bases = base;
-		/* INCREF as we create a new ref in the else branch */
-		Py_INCREF(bases);
-	} else {
-		bases = PyTuple_Pack(1, base);
-		if (bases == NULL)
-			goto failure;
-	}
-	/* Create a real new-style class. */
-	result = PyObject_CallFunction((PyObject *)&PyType_Type, "UOO",
-				       dot+1, bases, dict);
+    const char *dot;
+    PyObject *modulename = NULL;
+    PyObject *classname = NULL;
+    PyObject *mydict = NULL;
+    PyObject *bases = NULL;
+    PyObject *result = NULL;
+    dot = strrchr(name, '.');
+    if (dot == NULL) {
+        PyErr_SetString(PyExc_SystemError,
+            "PyErr_NewException: name must be module.class");
+        return NULL;
+    }
+    if (base == NULL)
+        base = PyExc_Exception;
+    if (dict == NULL) {
+        dict = mydict = PyDict_New();
+        if (dict == NULL)
+            goto failure;
+    }
+    if (PyDict_GetItemString(dict, "__module__") == NULL) {
+        modulename = PyUnicode_FromStringAndSize(name,
+                                             (Py_ssize_t)(dot-name));
+        if (modulename == NULL)
+            goto failure;
+        if (PyDict_SetItemString(dict, "__module__", modulename) != 0)
+            goto failure;
+    }
+    if (PyTuple_Check(base)) {
+        bases = base;
+        /* INCREF as we create a new ref in the else branch */
+        Py_INCREF(bases);
+    } else {
+        bases = PyTuple_Pack(1, base);
+        if (bases == NULL)
+            goto failure;
+    }
+    /* Create a real new-style class. */
+    result = PyObject_CallFunction((PyObject *)&PyType_Type, "UOO",
+                                   dot+1, bases, dict);
   failure:
-	Py_XDECREF(bases);
-	Py_XDECREF(mydict);
-	Py_XDECREF(classname);
-	Py_XDECREF(modulename);
-	return result;
+    Py_XDECREF(bases);
+    Py_XDECREF(mydict);
+    Py_XDECREF(classname);
+    Py_XDECREF(modulename);
+    return result;
 }
 
 
 /* Create an exception with docstring */
 PyObject *
 PyErr_NewExceptionWithDoc(const char *name, const char *doc,
-			  PyObject *base, PyObject *dict)
+                          PyObject *base, PyObject *dict)
 {
-	int result;
-	PyObject *ret = NULL;
-	PyObject *mydict = NULL; /* points to the dict only if we create it */
-	PyObject *docobj;
-
-	if (dict == NULL) {
-		dict = mydict = PyDict_New();
-		if (dict == NULL) {
-			return NULL;
-		}
-	}
-
-	if (doc != NULL) {
-		docobj = PyUnicode_FromString(doc);
-		if (docobj == NULL)
-			goto failure;
-		result = PyDict_SetItemString(dict, "__doc__", docobj);
-		Py_DECREF(docobj);
-		if (result < 0)
-			goto failure;
-	}
-
-	ret = PyErr_NewException(name, base, dict);
+    int result;
+    PyObject *ret = NULL;
+    PyObject *mydict = NULL; /* points to the dict only if we create it */
+    PyObject *docobj;
+
+    if (dict == NULL) {
+        dict = mydict = PyDict_New();
+        if (dict == NULL) {
+            return NULL;
+        }
+    }
+
+    if (doc != NULL) {
+        docobj = PyUnicode_FromString(doc);
+        if (docobj == NULL)
+            goto failure;
+        result = PyDict_SetItemString(dict, "__doc__", docobj);
+        Py_DECREF(docobj);
+        if (result < 0)
+            goto failure;
+    }
+
+    ret = PyErr_NewException(name, base, dict);
   failure:
-	Py_XDECREF(mydict);
-	return ret;
+    Py_XDECREF(mydict);
+    return ret;
 }
 
 
@@ -724,52 +724,52 @@ PyErr_NewExceptionWithDoc(const char *name, const char *doc,
 void
 PyErr_WriteUnraisable(PyObject *obj)
 {
-	PyObject *f, *t, *v, *tb;
-	PyErr_Fetch(&t, &v, &tb);
-	f = PySys_GetObject("stderr");
-	if (f != NULL && f != Py_None) {
-		PyFile_WriteString("Exception ", f);
-		if (t) {
-			PyObject* moduleName;
-			char* className;
-			assert(PyExceptionClass_Check(t));
-			className = PyExceptionClass_Name(t);
-			if (className != NULL) {
-				char *dot = strrchr(className, '.');
-				if (dot != NULL)
-					className = dot+1;
-			}
-
-			moduleName = PyObject_GetAttrString(t, "__module__");
-			if (moduleName == NULL)
-				PyFile_WriteString("<unknown>", f);
-			else {
-				char* modstr = _PyUnicode_AsString(moduleName);
-				if (modstr &&
-				    strcmp(modstr, "builtins") != 0)
-				{
-					PyFile_WriteString(modstr, f);
-					PyFile_WriteString(".", f);
-				}
-			}
-			if (className == NULL)
-				PyFile_WriteString("<unknown>", f);
-			else
-				PyFile_WriteString(className, f);
-			if (v && v != Py_None) {
-				PyFile_WriteString(": ", f);
-				PyFile_WriteObject(v, f, 0);
-			}
-			Py_XDECREF(moduleName);
-		}
-		PyFile_WriteString(" in ", f);
-		PyFile_WriteObject(obj, f, 0);
-		PyFile_WriteString(" ignored\n", f);
-		PyErr_Clear(); /* Just in case */
-	}
-	Py_XDECREF(t);
-	Py_XDECREF(v);
-	Py_XDECREF(tb);
+    PyObject *f, *t, *v, *tb;
+    PyErr_Fetch(&t, &v, &tb);
+    f = PySys_GetObject("stderr");
+    if (f != NULL && f != Py_None) {
+        PyFile_WriteString("Exception ", f);
+        if (t) {
+            PyObject* moduleName;
+            char* className;
+            assert(PyExceptionClass_Check(t));
+            className = PyExceptionClass_Name(t);
+            if (className != NULL) {
+                char *dot = strrchr(className, '.');
+                if (dot != NULL)
+                    className = dot+1;
+            }
+
+            moduleName = PyObject_GetAttrString(t, "__module__");
+            if (moduleName == NULL)
+                PyFile_WriteString("<unknown>", f);
+            else {
+                char* modstr = _PyUnicode_AsString(moduleName);
+                if (modstr &&
+                    strcmp(modstr, "builtins") != 0)
+                {
+                    PyFile_WriteString(modstr, f);
+                    PyFile_WriteString(".", f);
+                }
+            }
+            if (className == NULL)
+                PyFile_WriteString("<unknown>", f);
+            else
+                PyFile_WriteString(className, f);
+            if (v && v != Py_None) {
+                PyFile_WriteString(": ", f);
+                PyFile_WriteObject(v, f, 0);
+            }
+            Py_XDECREF(moduleName);
+        }
+        PyFile_WriteString(" in ", f);
+        PyFile_WriteObject(obj, f, 0);
+        PyFile_WriteString(" ignored\n", f);
+        PyErr_Clear(); /* Just in case */
+    }
+    Py_XDECREF(t);
+    Py_XDECREF(v);
+    Py_XDECREF(tb);
 }
 
 extern PyObject *PyModule_GetWarningsModule(void);
@@ -782,59 +782,59 @@ extern PyObject *PyModule_GetWarningsModule(void);
 void
 PyErr_SyntaxLocation(const char *filename, int lineno)
 {
-	PyObject *exc, *v, *tb, *tmp;
-
-	/* add attributes for the line number and filename for the error */
-	PyErr_Fetch(&exc, &v, &tb);
-	PyErr_NormalizeException(&exc, &v, &tb);
-	/* XXX check that it is, indeed, a syntax error. It might not
-	 * be, though. */
-	tmp = PyLong_FromLong(lineno);
-	if (tmp == NULL)
-		PyErr_Clear();
-	else {
-		if (PyObject_SetAttrString(v, "lineno", tmp))
-			PyErr_Clear();
-		Py_DECREF(tmp);
-	}
-	if (filename != NULL) {
-		tmp = PyUnicode_FromString(filename);
-		if (tmp == NULL)
-			PyErr_Clear();
-		else {
-			if (PyObject_SetAttrString(v, "filename", tmp))
-				PyErr_Clear();
-			Py_DECREF(tmp);
-		}
-
-		tmp = PyErr_ProgramText(filename, lineno);
-		if (tmp) {
-			if (PyObject_SetAttrString(v, "text", tmp))
-				PyErr_Clear();
-			Py_DECREF(tmp);
-		}
-	}
-	if (PyObject_SetAttrString(v, "offset", Py_None)) {
-		PyErr_Clear();
-	}
-	if (exc != PyExc_SyntaxError) {
-		if (!PyObject_HasAttrString(v, "msg")) {
-			tmp = PyObject_Str(v);
-			if (tmp) {
-				if (PyObject_SetAttrString(v, "msg", tmp))
-					PyErr_Clear();
-				Py_DECREF(tmp);
-			} else {
-				PyErr_Clear();
-			}
-		}
-		if (!PyObject_HasAttrString(v, "print_file_and_line")) {
-			if (PyObject_SetAttrString(v, "print_file_and_line",
-						   Py_None))
-				PyErr_Clear();
-		}
-	}
-	PyErr_Restore(exc, v, tb);
+    PyObject *exc, *v, *tb, *tmp;
+
+    /* add attributes for the line number and filename for the error */
+    PyErr_Fetch(&exc, &v, &tb);
+    PyErr_NormalizeException(&exc, &v, &tb);
+    /* XXX check that it is, indeed, a syntax error. It might not
+     * be, though. */
+    tmp = PyLong_FromLong(lineno);
+    if (tmp == NULL)
+        PyErr_Clear();
+    else {
+        if (PyObject_SetAttrString(v, "lineno", tmp))
+            PyErr_Clear();
+        Py_DECREF(tmp);
+    }
+    if (filename != NULL) {
+        tmp = PyUnicode_FromString(filename);
+        if (tmp == NULL)
+            PyErr_Clear();
+        else {
+            if (PyObject_SetAttrString(v, "filename", tmp))
+                PyErr_Clear();
+            Py_DECREF(tmp);
+        }
+
+        tmp = PyErr_ProgramText(filename, lineno);
+        if (tmp) {
+            if (PyObject_SetAttrString(v, "text", tmp))
+                PyErr_Clear();
+            Py_DECREF(tmp);
+        }
+    }
+    if (PyObject_SetAttrString(v, "offset", Py_None)) {
+        PyErr_Clear();
+    }
+    if (exc != PyExc_SyntaxError) {
+        if (!PyObject_HasAttrString(v, "msg")) {
+            tmp = PyObject_Str(v);
+            if (tmp) {
+                if (PyObject_SetAttrString(v, "msg", tmp))
+                    PyErr_Clear();
+                Py_DECREF(tmp);
+            } else {
+                PyErr_Clear();
+            }
+        }
+        if (!PyObject_HasAttrString(v, "print_file_and_line")) {
+            if (PyObject_SetAttrString(v, "print_file_and_line",
+                                       Py_None))
+                PyErr_Clear();
+        }
+    }
+    PyErr_Restore(exc, v, tb);
 }
 
 /* Attempt to load the line of text that the exception refers to.  If it
@@ -846,41 +846,41 @@ PyErr_SyntaxLocation(const char *filename, int lineno)
 PyObject *
 PyErr_ProgramText(const char *filename, int lineno)
 {
-	FILE *fp;
-	int i;
-	char linebuf[1000];
-
-	if (filename == NULL || *filename == '\0' || lineno <= 0)
-		return NULL;
-	fp = fopen(filename, "r" PY_STDIOTEXTMODE);
-	if (fp == NULL)
-		return NULL;
-	for (i = 0; i < lineno; i++) {
-		char *pLastChar = &linebuf[sizeof(linebuf) - 2];
-		do {
-			*pLastChar = '\0';
-			if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
-						     fp, NULL) == NULL)
-				break;
-			/* fgets read *something*; if it didn't get as
-			   far as pLastChar, it must have found a newline
-			   or hit the end of the file; if pLastChar is \n,
-			   it obviously found a newline; else we haven't
-			   yet seen a newline, so must continue */
-		} while (*pLastChar != '\0' && *pLastChar != '\n');
-	}
-	fclose(fp);
-	if (i == lineno) {
-		char *p = linebuf;
-                PyObject *res;
-		while (*p == ' ' || *p == '\t' || *p == '\014')
-			p++;
-		res = PyUnicode_FromString(p);
-                if (res == NULL)
-			PyErr_Clear();
-		return res;
-	}
-	return NULL;
+    FILE *fp;
+    int i;
+    char linebuf[1000];
+
+    if (filename == NULL || *filename == '\0' || lineno <= 0)
+        return NULL;
+    fp = fopen(filename, "r" PY_STDIOTEXTMODE);
+    if (fp == NULL)
+        return NULL;
+    for (i = 0; i < lineno; i++) {
+        char *pLastChar = &linebuf[sizeof(linebuf) - 2];
+        do {
+            *pLastChar = '\0';
+            if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf,
+                                         fp, NULL) == NULL)
+                break;
+            /* fgets read *something*; if it didn't get as
+               far as pLastChar, it must have found a newline
+               or hit the end of the file; if pLastChar is \n,
+               it obviously found a newline; else we haven't
+               yet seen a newline, so must continue */
+        } while (*pLastChar != '\0' && *pLastChar != '\n');
+    }
+    fclose(fp);
+    if (i == lineno) {
+        char *p = linebuf;
+        PyObject *res;
+        while (*p == ' ' || *p == '\t' || *p == '\014')
+            p++;
+        res = PyUnicode_FromString(p);
+        if (res == NULL)
+            PyErr_Clear();
+        return res;
+    }
+    return NULL;
 }
 
 #ifdef __cplusplus