diff options
Diffstat (limited to 'Mac/Tools/pythonw.c')
| -rw-r--r-- | Mac/Tools/pythonw.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Mac/Tools/pythonw.c b/Mac/Tools/pythonw.c index 30c82ac476..1d2db383f9 100644 --- a/Mac/Tools/pythonw.c +++ b/Mac/Tools/pythonw.c @@ -28,6 +28,7 @@ #include <dlfcn.h> #include <stdlib.h> #include <Python.h> +#include <mach-o/dyld.h> extern char** environ; @@ -150,6 +151,53 @@ setup_spawnattr(posix_spawnattr_t* spawnattr) int main(int argc, char **argv) { char* exec_path = get_python_path(); + static char path[PATH_MAX * 2]; + static char real_path[PATH_MAX * 2]; + int status; + uint32_t size = PATH_MAX * 2; + + /* Set the original executable path in the environment. */ + status = _NSGetExecutablePath(path, &size); + if (status == 0) { + /* + * Note: don't call 'realpath', that will + * erase symlink information, and that + * breaks "pyvenv --symlink" + * + * It is nice to have the directory name + * as a cleaned up absolute path though, + * therefore call realpath on dirname(path) + */ + char* slash = strrchr(path, '/'); + if (slash) { + char replaced; + replaced = slash[1]; + slash[1] = 0; + if (realpath(path, real_path) == NULL) { + err(1, "realpath: %s", path); + } + slash[1] = replaced; + if (strlcat(real_path, slash, sizeof(real_path)) > sizeof(real_path)) { + errno = EINVAL; + err(1, "realpath: %s", path); + } + + } else { + if (realpath(".", real_path) == NULL) { + err(1, "realpath: %s", path); + } + if (strlcat(real_path, "/", sizeof(real_path)) > sizeof(real_path)) { + errno = EINVAL; + err(1, "realpath: %s", path); + } + if (strlcat(real_path, path, sizeof(real_path)) > sizeof(real_path)) { + errno = EINVAL; + err(1, "realpath: %s", path); + } + } + + setenv("__PYVENV_LAUNCHER__", real_path, 1); + } /* * Let argv[0] refer to the new interpreter. This is needed to |