tags: extract fnode retrieval into its own function
My main goal here is to be able to reuse this logic easily. As a side effect
this important logic is now insulated and the code is clearer.
/*
* manifest.c - manifest type that does on-demand parsing.
*
* Copyright 2015, Google Inc.
*
* This software may be used and distributed according to the terms of
* the GNU General Public License, incorporated herein by reference.
*/
#include <Python.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include "util.h"
#define DEFAULT_LINES 100000
typedef struct {
char *start;
Py_ssize_t len; /* length of line including terminal newline */
char hash_suffix;
bool from_malloc;
bool deleted;
} line;
typedef struct {
PyObject_HEAD
PyObject *pydata;
line *lines;
int numlines; /* number of line entries */
int livelines; /* number of non-deleted lines */
int maxlines; /* allocated number of lines */
bool dirty;
} lazymanifest;
#define MANIFEST_OOM -1
#define MANIFEST_NOT_SORTED -2
#define MANIFEST_MALFORMED -3
/* defined in parsers.c */
PyObject *unhexlify(const char *str, int len);
/* get the length of the path for a line */
static size_t pathlen(line *l) {
return strlen(l->start);
}
/* get the node value of a single line */
static PyObject *nodeof(line *l) {
char *s = l->start;
ssize_t llen = pathlen(l);
PyObject *hash = unhexlify(s + llen + 1, 40);
if (!hash) {
return NULL;
}
if (l->hash_suffix != '\0') {
char newhash[21];
memcpy(newhash, PyBytes_AsString(hash), 20);
Py_DECREF(hash);
newhash[20] = l->hash_suffix;
hash = PyBytes_FromStringAndSize(newhash, 21);
}
return hash;
}
/* get the node hash and flags of a line as a tuple */
static PyObject *hashflags(line *l)
{
char *s = l->start;
size_t plen = pathlen(l);
PyObject *hash = nodeof(l);
/* 40 for hash, 1 for null byte, 1 for newline */
size_t hplen = plen + 42;
Py_ssize_t flen = l->len - hplen;
PyObject *flags;
PyObject *tup;
if (!hash)
return NULL;
flags = PyBytes_FromStringAndSize(s + hplen - 1, flen);
if (!flags) {
Py_DECREF(hash);
return NULL;
}
tup = PyTuple_Pack(2, hash, flags);
Py_DECREF(flags);
Py_DECREF(hash);
return tup;
}
/* if we're about to run out of space in the line index, add more */
static bool realloc_if_full(lazymanifest *self)
{
if (self->numlines == self->maxlines) {
self->maxlines *= 2;
self->lines = realloc(self->lines, self->maxlines * sizeof(line));
}
return !!self->lines;
}
/*
* Find the line boundaries in the manifest that 'data' points to and store
* information about each line in 'self'.
*/
static int find_lines(lazymanifest *self, char *data, Py_ssize_t len)
{
char *prev = NULL;
while (len > 0) {
line *l;
char *next = memchr(data, '\n', len);
if (!next) {
return MANIFEST_MALFORMED;
}
next++; /* advance past newline */
if (!realloc_if_full(self)) {
return MANIFEST_OOM; /* no memory */
}
if (prev && strcmp(prev, data) > -1) {
/* This data isn't sorted, so we have to abort. */
return MANIFEST_NOT_SORTED;
}
l = self->lines + ((self->numlines)++);
l->start = data;
l->len = next - data;
l->hash_suffix = '\0';
l->from_malloc = false;
l->deleted = false;
len = len - l->len;
prev = data;
data = next;
}
self->livelines = self->numlines;
return 0;
}
static int lazymanifest_init(lazymanifest *self, PyObject *args)
{
char *data;
Py_ssize_t len;
int err, ret;
PyObject *pydata;
if (!PyArg_ParseTuple(args, "S", &pydata)) {
return -1;
}
err = PyBytes_AsStringAndSize(pydata, &data, &len);
self->dirty = false;
if (err == -1)
return -1;
self->pydata = pydata;
Py_INCREF(self->pydata);
Py_BEGIN_ALLOW_THREADS
self->lines = malloc(DEFAULT_LINES * sizeof(line));
self->maxlines = DEFAULT_LINES;
self->numlines = 0;
if (!self->lines)
ret = MANIFEST_OOM;
else
ret = find_lines(self, data, len);
Py_END_ALLOW_THREADS
switch (ret) {
case 0:
break;
case MANIFEST_OOM:
PyErr_NoMemory();
break;
case MANIFEST_NOT_SORTED:
PyErr_Format(PyExc_ValueError,
"Manifest lines not in sorted order.");
break;
case MANIFEST_MALFORMED:
PyErr_Format(PyExc_ValueError,
"Manifest did not end in a newline.");
break;
default:
PyErr_Format(PyExc_ValueError,
"Unknown problem parsing manifest.");
}
return ret == 0 ? 0 : -1;
}
static void lazymanifest_dealloc(lazymanifest *self)
{
/* free any extra lines we had to allocate */
int i;
for (i = 0; i < self->numlines; i++) {
if (self->lines[i].from_malloc) {
free(self->lines[i].start);
}
}
if (self->lines) {
free(self->lines);
self->lines = NULL;
}
if (self->pydata) {
Py_DECREF(self->pydata);
self->pydata = NULL;
}
PyObject_Del(self);
}
/* iteration support */
typedef struct {
PyObject_HEAD lazymanifest *m;
Py_ssize_t pos;
} lmIter;
static void lmiter_dealloc(PyObject *o)
{
lmIter *self = (lmIter *)o;
Py_DECREF(self->m);
PyObject_Del(self);
}
static line *lmiter_nextline(lmIter *self)
{
do {
self->pos++;
if (self->pos >= self->m->numlines) {
return NULL;
}
/* skip over deleted manifest entries */
} while (self->m->lines[self->pos].deleted);
return self->m->lines + self->pos;
}
static PyObject *lmiter_iterentriesnext(PyObject *o)
{
size_t pl;
line *l;
Py_ssize_t consumed;
PyObject *ret = NULL, *path = NULL, *hash = NULL, *flags = NULL;
l = lmiter_nextline((lmIter *)o);
if (!l) {
goto done;
}
pl = pathlen(l);
path = PyBytes_FromStringAndSize(l->start, pl);
hash = nodeof(l);
consumed = pl + 41;
flags = PyBytes_FromStringAndSize(l->start + consumed,
l->len - consumed - 1);
if (!path || !hash || !flags) {
goto done;
}
ret = PyTuple_Pack(3, path, hash, flags);
done:
Py_XDECREF(path);
Py_XDECREF(hash);
Py_XDECREF(flags);
return ret;
}
#ifdef IS_PY3K
#define LAZYMANIFESTENTRIESITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT
#else
#define LAZYMANIFESTENTRIESITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT \
| Py_TPFLAGS_HAVE_ITER
#endif
static PyTypeObject lazymanifestEntriesIterator = {
PyVarObject_HEAD_INIT(NULL, 0)
"parsers.lazymanifest.entriesiterator", /*tp_name */
sizeof(lmIter), /*tp_basicsize */
0, /*tp_itemsize */
lmiter_dealloc, /*tp_dealloc */
0, /*tp_print */
0, /*tp_getattr */
0, /*tp_setattr */
0, /*tp_compare */
0, /*tp_repr */
0, /*tp_as_number */
0, /*tp_as_sequence */
0, /*tp_as_mapping */
0, /*tp_hash */
0, /*tp_call */
0, /*tp_str */
0, /*tp_getattro */
0, /*tp_setattro */
0, /*tp_as_buffer */
LAZYMANIFESTENTRIESITERATOR_TPFLAGS, /* tp_flags */
"Iterator for 3-tuples in a lazymanifest.", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter: __iter__() method */
lmiter_iterentriesnext, /* tp_iternext: next() method */
};
static PyObject *lmiter_iterkeysnext(PyObject *o)
{
size_t pl;
line *l = lmiter_nextline((lmIter *)o);
if (!l) {
return NULL;
}
pl = pathlen(l);
return PyBytes_FromStringAndSize(l->start, pl);
}
#ifdef IS_PY3K
#define LAZYMANIFESTKEYSITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT
#else
#define LAZYMANIFESTKEYSITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT \
| Py_TPFLAGS_HAVE_ITER
#endif
static PyTypeObject lazymanifestKeysIterator = {
PyVarObject_HEAD_INIT(NULL, 0)
"parsers.lazymanifest.keysiterator", /*tp_name */
sizeof(lmIter), /*tp_basicsize */
0, /*tp_itemsize */
lmiter_dealloc, /*tp_dealloc */
0, /*tp_print */
0, /*tp_getattr */
0, /*tp_setattr */
0, /*tp_compare */
0, /*tp_repr */
0, /*tp_as_number */
0, /*tp_as_sequence */
0, /*tp_as_mapping */
0, /*tp_hash */
0, /*tp_call */
0, /*tp_str */
0, /*tp_getattro */
0, /*tp_setattro */
0, /*tp_as_buffer */
LAZYMANIFESTKEYSITERATOR_TPFLAGS, /* tp_flags */
"Keys iterator for a lazymanifest.", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter: __iter__() method */
lmiter_iterkeysnext, /* tp_iternext: next() method */
};
static lazymanifest *lazymanifest_copy(lazymanifest *self);
static PyObject *lazymanifest_getentriesiter(lazymanifest *self)
{
lmIter *i = NULL;
lazymanifest *t = lazymanifest_copy(self);
if (!t) {
PyErr_NoMemory();
return NULL;
}
i = PyObject_New(lmIter, &lazymanifestEntriesIterator);
if (i) {
i->m = t;
i->pos = -1;
} else {
Py_DECREF(t);
PyErr_NoMemory();
}
return (PyObject *)i;
}
static PyObject *lazymanifest_getkeysiter(lazymanifest *self)
{
lmIter *i = NULL;
lazymanifest *t = lazymanifest_copy(self);
if (!t) {
PyErr_NoMemory();
return NULL;
}
i = PyObject_New(lmIter, &lazymanifestKeysIterator);
if (i) {
i->m = t;
i->pos = -1;
} else {
Py_DECREF(t);
PyErr_NoMemory();
}
return (PyObject *)i;
}
/* __getitem__ and __setitem__ support */
static Py_ssize_t lazymanifest_size(lazymanifest *self)
{
return self->livelines;
}
static int linecmp(const void *left, const void *right)
{
return strcmp(((const line *)left)->start,
((const line *)right)->start);
}
static PyObject *lazymanifest_getitem(lazymanifest *self, PyObject *key)
{
line needle;
line *hit;
if (!PyBytes_Check(key)) {
PyErr_Format(PyExc_TypeError,
"getitem: manifest keys must be a string.");
return NULL;
}
needle.start = PyBytes_AsString(key);
hit = bsearch(&needle, self->lines, self->numlines, sizeof(line),
&linecmp);
if (!hit || hit->deleted) {
PyErr_Format(PyExc_KeyError, "No such manifest entry.");
return NULL;
}
return hashflags(hit);
}
static int lazymanifest_delitem(lazymanifest *self, PyObject *key)
{
line needle;
line *hit;
if (!PyBytes_Check(key)) {
PyErr_Format(PyExc_TypeError,
"delitem: manifest keys must be a string.");
return -1;
}
needle.start = PyBytes_AsString(key);
hit = bsearch(&needle, self->lines, self->numlines, sizeof(line),
&linecmp);
if (!hit || hit->deleted) {
PyErr_Format(PyExc_KeyError,
"Tried to delete nonexistent manifest entry.");
return -1;
}
self->dirty = true;
hit->deleted = true;
self->livelines--;
return 0;
}
/* Do a binary search for the insertion point for new, creating the
* new entry if needed. */
static int internalsetitem(lazymanifest *self, line *new) {
int start = 0, end = self->numlines;
while (start < end) {
int pos = start + (end - start) / 2;
int c = linecmp(new, self->lines + pos);
if (c < 0)
end = pos;
else if (c > 0)
start = pos + 1;
else {
if (self->lines[pos].deleted)
self->livelines++;
if (self->lines[pos].from_malloc)
free(self->lines[pos].start);
start = pos;
goto finish;
}
}
/* being here means we need to do an insert */
if (!realloc_if_full(self)) {
PyErr_NoMemory();
return -1;
}
memmove(self->lines + start + 1, self->lines + start,
(self->numlines - start) * sizeof(line));
self->numlines++;
self->livelines++;
finish:
self->lines[start] = *new;
self->dirty = true;
return 0;
}
static int lazymanifest_setitem(
lazymanifest *self, PyObject *key, PyObject *value)
{
char *path;
Py_ssize_t plen;
PyObject *pyhash;
Py_ssize_t hlen;
char *hash;
PyObject *pyflags;
char *flags;
Py_ssize_t flen;
size_t dlen;
char *dest;
int i;
line new;
if (!PyBytes_Check(key)) {
PyErr_Format(PyExc_TypeError,
"setitem: manifest keys must be a string.");
return -1;
}
if (!value) {
return lazymanifest_delitem(self, key);
}
if (!PyTuple_Check(value) || PyTuple_Size(value) != 2) {
PyErr_Format(PyExc_TypeError,
"Manifest values must be a tuple of (node, flags).");
return -1;
}
if (PyBytes_AsStringAndSize(key, &path, &plen) == -1) {
return -1;
}
pyhash = PyTuple_GetItem(value, 0);
if (!PyBytes_Check(pyhash)) {
PyErr_Format(PyExc_TypeError,
"node must be a 20-byte string");
return -1;
}
hlen = PyBytes_Size(pyhash);
/* Some parts of the codebase try and set 21 or 22
* byte "hash" values in order to perturb things for
* status. We have to preserve at least the 21st
* byte. Sigh. If there's a 22nd byte, we drop it on
* the floor, which works fine.
*/
if (hlen != 20 && hlen != 21 && hlen != 22) {
PyErr_Format(PyExc_TypeError,
"node must be a 20-byte string");
return -1;
}
hash = PyBytes_AsString(pyhash);
pyflags = PyTuple_GetItem(value, 1);
if (!PyBytes_Check(pyflags) || PyBytes_Size(pyflags) > 1) {
PyErr_Format(PyExc_TypeError,
"flags must a 0 or 1 byte string");
return -1;
}
if (PyBytes_AsStringAndSize(pyflags, &flags, &flen) == -1) {
return -1;
}
/* one null byte and one newline */
dlen = plen + 41 + flen + 1;
dest = malloc(dlen);
if (!dest) {
PyErr_NoMemory();
return -1;
}
memcpy(dest, path, plen + 1);
for (i = 0; i < 20; i++) {
/* Cast to unsigned, so it will not get sign-extended when promoted
* to int (as is done when passing to a variadic function)
*/
sprintf(dest + plen + 1 + (i * 2), "%02x", (unsigned char)hash[i]);
}
memcpy(dest + plen + 41, flags, flen);
dest[plen + 41 + flen] = '\n';
new.start = dest;
new.len = dlen;
new.hash_suffix = '\0';
if (hlen > 20) {
new.hash_suffix = hash[20];
}
new.from_malloc = true; /* is `start` a pointer we allocated? */
new.deleted = false; /* is this entry deleted? */
if (internalsetitem(self, &new)) {
return -1;
}
return 0;
}
static PyMappingMethods lazymanifest_mapping_methods = {
(lenfunc)lazymanifest_size, /* mp_length */
(binaryfunc)lazymanifest_getitem, /* mp_subscript */
(objobjargproc)lazymanifest_setitem, /* mp_ass_subscript */
};
/* sequence methods (important or __contains__ builds an iterator) */
static int lazymanifest_contains(lazymanifest *self, PyObject *key)
{
line needle;
line *hit;
if (!PyBytes_Check(key)) {
/* Our keys are always strings, so if the contains
* check is for a non-string, just return false. */
return 0;
}
needle.start = PyBytes_AsString(key);
hit = bsearch(&needle, self->lines, self->numlines, sizeof(line),
&linecmp);
if (!hit || hit->deleted) {
return 0;
}
return 1;
}
static PySequenceMethods lazymanifest_seq_meths = {
(lenfunc)lazymanifest_size, /* sq_length */
0, /* sq_concat */
0, /* sq_repeat */
0, /* sq_item */
0, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
(objobjproc)lazymanifest_contains, /* sq_contains */
0, /* sq_inplace_concat */
0, /* sq_inplace_repeat */
};
/* Other methods (copy, diff, etc) */
static PyTypeObject lazymanifestType;
/* If the manifest has changes, build the new manifest text and reindex it. */
static int compact(lazymanifest *self) {
int i;
ssize_t need = 0;
char *data;
line *src, *dst;
PyObject *pydata;
if (!self->dirty)
return 0;
for (i = 0; i < self->numlines; i++) {
if (!self->lines[i].deleted) {
need += self->lines[i].len;
}
}
pydata = PyBytes_FromStringAndSize(NULL, need);
if (!pydata)
return -1;
data = PyBytes_AsString(pydata);
if (!data) {
return -1;
}
src = self->lines;
dst = self->lines;
for (i = 0; i < self->numlines; i++, src++) {
char *tofree = NULL;
if (src->from_malloc) {
tofree = src->start;
}
if (!src->deleted) {
memcpy(data, src->start, src->len);
*dst = *src;
dst->start = data;
dst->from_malloc = false;
data += dst->len;
dst++;
}
free(tofree);
}
Py_DECREF(self->pydata);
self->pydata = pydata;
self->numlines = self->livelines;
self->dirty = false;
return 0;
}
static PyObject *lazymanifest_text(lazymanifest *self)
{
if (compact(self) != 0) {
PyErr_NoMemory();
return NULL;
}
Py_INCREF(self->pydata);
return self->pydata;
}
static lazymanifest *lazymanifest_copy(lazymanifest *self)
{
lazymanifest *copy = NULL;
if (compact(self) != 0) {
goto nomem;
}
copy = PyObject_New(lazymanifest, &lazymanifestType);
if (!copy) {
goto nomem;
}
copy->numlines = self->numlines;
copy->livelines = self->livelines;
copy->dirty = false;
copy->lines = malloc(self->maxlines *sizeof(line));
if (!copy->lines) {
goto nomem;
}
memcpy(copy->lines, self->lines, self->numlines * sizeof(line));
copy->maxlines = self->maxlines;
copy->pydata = self->pydata;
Py_INCREF(copy->pydata);
return copy;
nomem:
PyErr_NoMemory();
Py_XDECREF(copy);
return NULL;
}
static lazymanifest *lazymanifest_filtercopy(
lazymanifest *self, PyObject *matchfn)
{
lazymanifest *copy = NULL;
int i;
if (!PyCallable_Check(matchfn)) {
PyErr_SetString(PyExc_TypeError, "matchfn must be callable");
return NULL;
}
/* compact ourselves first to avoid double-frees later when we
* compact tmp so that it doesn't have random pointers to our
* underlying from_malloc-data (self->pydata is safe) */
if (compact(self) != 0) {
goto nomem;
}
copy = PyObject_New(lazymanifest, &lazymanifestType);
if (!copy) {
goto nomem;
}
copy->dirty = true;
copy->lines = malloc(self->maxlines * sizeof(line));
if (!copy->lines) {
goto nomem;
}
copy->maxlines = self->maxlines;
copy->numlines = 0;
copy->pydata = self->pydata;
Py_INCREF(self->pydata);
for (i = 0; i < self->numlines; i++) {
PyObject *arglist = NULL, *result = NULL;
arglist = Py_BuildValue("(s)", self->lines[i].start);
if (!arglist) {
return NULL;
}
result = PyObject_CallObject(matchfn, arglist);
Py_DECREF(arglist);
/* if the callback raised an exception, just let it
* through and give up */
if (!result) {
free(copy->lines);
Py_DECREF(self->pydata);
return NULL;
}
if (PyObject_IsTrue(result)) {
assert(!(self->lines[i].from_malloc));
copy->lines[copy->numlines++] = self->lines[i];
}
Py_DECREF(result);
}
copy->livelines = copy->numlines;
return copy;
nomem:
PyErr_NoMemory();
Py_XDECREF(copy);
return NULL;
}
static PyObject *lazymanifest_diff(lazymanifest *self, PyObject *args)
{
lazymanifest *other;
PyObject *pyclean = NULL;
bool listclean;
PyObject *emptyTup = NULL, *ret = NULL;
PyObject *es;
int sneedle = 0, oneedle = 0;
if (!PyArg_ParseTuple(args, "O!|O", &lazymanifestType, &other, &pyclean)) {
return NULL;
}
listclean = (!pyclean) ? false : PyObject_IsTrue(pyclean);
es = PyBytes_FromString("");
if (!es) {
goto nomem;
}
emptyTup = PyTuple_Pack(2, Py_None, es);
Py_DECREF(es);
if (!emptyTup) {
goto nomem;
}
ret = PyDict_New();
if (!ret) {
goto nomem;
}
while (sneedle != self->numlines || oneedle != other->numlines) {
line *left = self->lines + sneedle;
line *right = other->lines + oneedle;
int result;
PyObject *key;
PyObject *outer;
/* If we're looking at a deleted entry and it's not
* the end of the manifest, just skip it. */
if (left->deleted && sneedle < self->numlines) {
sneedle++;
continue;
}
if (right->deleted && oneedle < other->numlines) {
oneedle++;
continue;
}
/* if we're at the end of either manifest, then we
* know the remaining items are adds so we can skip
* the strcmp. */
if (sneedle == self->numlines) {
result = 1;
} else if (oneedle == other->numlines) {
result = -1;
} else {
result = linecmp(left, right);
}
key = result <= 0 ?
PyBytes_FromString(left->start) :
PyBytes_FromString(right->start);
if (!key)
goto nomem;
if (result < 0) {
PyObject *l = hashflags(left);
if (!l) {
goto nomem;
}
outer = PyTuple_Pack(2, l, emptyTup);
Py_DECREF(l);
if (!outer) {
goto nomem;
}
PyDict_SetItem(ret, key, outer);
Py_DECREF(outer);
sneedle++;
} else if (result > 0) {
PyObject *r = hashflags(right);
if (!r) {
goto nomem;
}
outer = PyTuple_Pack(2, emptyTup, r);
Py_DECREF(r);
if (!outer) {
goto nomem;
}
PyDict_SetItem(ret, key, outer);
Py_DECREF(outer);
oneedle++;
} else {
/* file exists in both manifests */
if (left->len != right->len
|| memcmp(left->start, right->start, left->len)
|| left->hash_suffix != right->hash_suffix) {
PyObject *l = hashflags(left);
PyObject *r;
if (!l) {
goto nomem;
}
r = hashflags(right);
if (!r) {
Py_DECREF(l);
goto nomem;
}
outer = PyTuple_Pack(2, l, r);
Py_DECREF(l);
Py_DECREF(r);
if (!outer) {
goto nomem;
}
PyDict_SetItem(ret, key, outer);
Py_DECREF(outer);
} else if (listclean) {
PyDict_SetItem(ret, key, Py_None);
}
sneedle++;
oneedle++;
}
Py_DECREF(key);
}
Py_DECREF(emptyTup);
return ret;
nomem:
PyErr_NoMemory();
Py_XDECREF(ret);
Py_XDECREF(emptyTup);
return NULL;
}
static PyMethodDef lazymanifest_methods[] = {
{"iterkeys", (PyCFunction)lazymanifest_getkeysiter, METH_NOARGS,
"Iterate over file names in this lazymanifest."},
{"iterentries", (PyCFunction)lazymanifest_getentriesiter, METH_NOARGS,
"Iterate over (path, nodeid, flags) tuples in this lazymanifest."},
{"copy", (PyCFunction)lazymanifest_copy, METH_NOARGS,
"Make a copy of this lazymanifest."},
{"filtercopy", (PyCFunction)lazymanifest_filtercopy, METH_O,
"Make a copy of this manifest filtered by matchfn."},
{"diff", (PyCFunction)lazymanifest_diff, METH_VARARGS,
"Compare this lazymanifest to another one."},
{"text", (PyCFunction)lazymanifest_text, METH_NOARGS,
"Encode this manifest to text."},
{NULL},
};
#ifdef IS_PY3K
#define LAZYMANIFEST_TPFLAGS Py_TPFLAGS_DEFAULT
#else
#define LAZYMANIFEST_TPFLAGS Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_SEQUENCE_IN
#endif
static PyTypeObject lazymanifestType = {
PyVarObject_HEAD_INIT(NULL, 0)
"parsers.lazymanifest", /* tp_name */
sizeof(lazymanifest), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)lazymanifest_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
&lazymanifest_seq_meths, /* tp_as_sequence */
&lazymanifest_mapping_methods, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
LAZYMANIFEST_TPFLAGS, /* tp_flags */
"TODO(augie)", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)lazymanifest_getkeysiter, /* tp_iter */
0, /* tp_iternext */
lazymanifest_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)lazymanifest_init, /* tp_init */
0, /* tp_alloc */
};
void manifest_module_init(PyObject * mod)
{
lazymanifestType.tp_new = PyType_GenericNew;
if (PyType_Ready(&lazymanifestType) < 0)
return;
Py_INCREF(&lazymanifestType);
PyModule_AddObject(mod, "lazymanifest",
(PyObject *)&lazymanifestType);
}