add ydb deps

1 files changed, 143 insertions, 0 deletions

diff --git a/contrib/tools/python/src/Python/dynload_shlib.c b/contrib/tools/python/src/Python/dynload_shlib.c
new file mode 100644
index 0000000000..17ebab16ba
--- /dev/null
+++ b/contrib/tools/python/src/Python/dynload_shlib.c
@@ -0,0 +1,143 @@
+
+/* Support for dynamic loading of extension modules */
+
+#include "Python.h"
+#include "importdl.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#if defined(__NetBSD__)
+#include <sys/param.h>
+#if (NetBSD < 199712)
+#include <nlist.h>
+#include <link.h>
+#define dlerror() "error in dynamic linking"
+#endif
+#endif /* NetBSD */
+
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#else
+#if defined(PYOS_OS2) && defined(PYCC_GCC)
+#include "dlfcn.h"
+#endif
+#endif
+
+#if (defined(__OpenBSD__) || defined(__NetBSD__)) && !defined(__ELF__)
+#define LEAD_UNDERSCORE "_"
+#else
+#define LEAD_UNDERSCORE ""
+#endif
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+#ifdef __CYGWIN__
+    {".dll", "rb", C_EXTENSION},
+    {"module.dll", "rb", C_EXTENSION},
+#else
+#if defined(PYOS_OS2) && defined(PYCC_GCC)
+    {".pyd", "rb", C_EXTENSION},
+    {".dll", "rb", C_EXTENSION},
+#else
+#ifdef __VMS
+    {".exe", "rb", C_EXTENSION},
+    {".EXE", "rb", C_EXTENSION},
+    {"module.exe", "rb", C_EXTENSION},
+    {"MODULE.EXE", "rb", C_EXTENSION},
+#else
+    {".so", "rb", C_EXTENSION},
+    {"module.so", "rb", C_EXTENSION},
+#endif
+#endif
+#endif
+    {0, 0}
+};
+
+static struct {
+    dev_t dev;
+#ifdef __VMS
+    ino_t ino[3];
+#else
+    ino_t ino;
+#endif
+    void *handle;
+} handles[128];
+static int nhandles = 0;
+
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
+                                    const char *pathname, FILE *fp)
+{
+    dl_funcptr p;
+    void *handle;
+    char funcname[258];
+    char pathbuf[260];
+    int dlopenflags=0;
+
+    if (strchr(pathname, '/') == NULL) {
+        /* Prefix bare filename with "./" */
+        PyOS_snprintf(pathbuf, sizeof(pathbuf), "./%-.255s", pathname);
+        pathname = pathbuf;
+    }
+
+    PyOS_snprintf(funcname, sizeof(funcname),
+                  LEAD_UNDERSCORE "init%.200s", shortname);
+
+    if (fp != NULL) {
+        int i;
+        struct stat statb;
+        fstat(fileno(fp), &statb);
+        for (i = 0; i < nhandles; i++) {
+            if (statb.st_dev == handles[i].dev &&
+                statb.st_ino == handles[i].ino) {
+                p = (dl_funcptr) dlsym(handles[i].handle,
+                                       funcname);
+                return p;
+            }
+        }
+        if (nhandles < 128) {
+            handles[nhandles].dev = statb.st_dev;
+#ifdef __VMS
+            handles[nhandles].ino[0] = statb.st_ino[0];
+            handles[nhandles].ino[1] = statb.st_ino[1];
+            handles[nhandles].ino[2] = statb.st_ino[2];
+#else
+            handles[nhandles].ino = statb.st_ino;
+#endif
+        }
+    }
+
+#if !(defined(PYOS_OS2) && defined(PYCC_GCC))
+    dlopenflags = PyThreadState_GET()->interp->dlopenflags;
+#endif
+
+    if (Py_VerboseFlag)
+        PySys_WriteStderr("dlopen(\"%s\", %x);\n", pathname,
+                          dlopenflags);
+
+#ifdef __VMS
+    /* VMS currently don't allow a pathname, use a logical name instead */
+    /* Concatenate 'python_module_' and shortname */
+    /* so "import vms.bar" will use the logical python_module_bar */
+    /* As C module use only one name space this is probably not a */
+    /* important limitation */
+    PyOS_snprintf(pathbuf, sizeof(pathbuf), "python_module_%-.200s",
+                  shortname);
+    pathname = pathbuf;
+#endif
+
+    handle = dlopen(pathname, dlopenflags);
+
+    if (handle == NULL) {
+        const char *error = dlerror();
+        if (error == NULL)
+            error = "unknown dlopen() error";
+        PyErr_SetString(PyExc_ImportError, error);
+        return NULL;
+    }
+    if (fp != NULL && nhandles < 128)
+        handles[nhandles++].handle = handle;
+    p = (dl_funcptr) dlsym(handle, funcname);
+    return p;
+}