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#include <Python.h>
#include <dirent.h>
#include <iostream>
#include <string>
#include <vector>
/*
==============================================================================
This is the original function in python
def _build_tree(self,path):
l = []
for fn in os.listdir(path):
try: p = os.path.join(path, fn)
except: continue
s = os.lstat(p)
if stat.S_ISDIR(s.st_mode):
l.append( (fn, self._build_tree(p), s.st_size) )
elif stat.S_ISREG(s.st_mode):
l.append( (fn, None, s.st_size) )
return sum_list(os.path.split(path)[-1], l, 0)
==============================================================================
Instead of using SumList, the new build_tree will use a tuple
*/
/// recursive function to build a list system with directory information
PyObject* build_tree( std::string path, const bool& showHidden) {
PyObject* l = PyList_New(0);
DIR* d = opendir(path.c_str());
if(d == 0) Py_RETURN_NONE;
unsigned long total = 0;
struct dirent *e;
while((e = readdir(d)) != NULL) {
std::string fn = e->d_name;
if(!showHidden) if(e->d_name[0] == '.') continue;
if(fn == "." || fn == "..") continue;
fn = path+"/" +fn;
struct stat s;
lstat(fn.c_str(), &s);
if(S_ISDIR(s.st_mode)) {
PyObject* sub = build_tree(fn,showHidden);
PyTuple_SetItem(sub,0,PyString_FromString(e->d_name));
PyList_Append(l, sub );
total += PyLong_AsUnsignedLong( PyTuple_GET_ITEM(sub,2) );
} else if (S_ISREG(s.st_mode)) {
PyList_Append(l, Py_BuildValue("(sOk)",e->d_name,Py_None,s.st_size) );
total += s.st_size;
}
}
closedir(d);
return Py_BuildValue("(sOk)", path.c_str(), l, total );
}
/// initial function call.
static PyObject* fringtools_build_tree(PyObject *self, PyObject *args) {
const char *path;
int show_hidden = 1;
if (!PyArg_ParseTuple(args, "si", &path, &show_hidden)) return NULL;
return build_tree(std::string(path),(show_hidden==1));
}
//==============================================================================
// module init
//==============================================================================
static PyMethodDef FringtoolsMethods[] = {
{"build_tree", fringtools_build_tree, METH_VARARGS, "Walk Tree."},
{NULL, NULL, 0, NULL} /* Sentinel */
};
PyMODINIT_FUNC initfringtools(void) {
(void) Py_InitModule("fringtools", FringtoolsMethods);
}
int main(int argc, char *argv[]) {
Py_SetProgramName(argv[0]);
Py_Initialize();
initfringtools();
return 0;
}
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