2 files changed, 10 insertions, 0 deletions
diff --git a/library/python/runtime_py3/main/main.c b/library/python/runtime_py3/main/main.c
index 3159800615..c2c90a3cf6 100644
--- a/library/python/runtime_py3/main/main.c
+++ b/library/python/runtime_py3/main/main.c
@@ -7,6 +7,7 @@
 
 void Py_InitArgcArgv(int argc, wchar_t **argv);
 char* GetPyMain();
+int IsYaIdeVenv();
 
 static const char* env_entry_point = "Y_PYTHON_ENTRY_POINT";
 static const char* env_bytes_warning = "Y_PYTHON_BYTES_WARNING";
@@ -74,6 +75,9 @@ static int RunModule(const char *modname)
 }
 
 static int pymain(int argc, char** argv) {
+    if (IsYaIdeVenv()) {
+        return Py_BytesMain(argc, argv);
+    }
     PyStatus status = _PyRuntime_Initialize();
     if (PyStatus_Exception(status)) {
         Py_ExitStatusException(status);
diff --git a/library/python/runtime_py3/main/venv.cpp b/library/python/runtime_py3/main/venv.cpp
new file mode 100644
index 0000000000..b26611b918
--- /dev/null
+++ b/library/python/runtime_py3/main/venv.cpp
@@ -0,0 +1,6 @@
+#include <library/cpp/resource/resource.h>
+
+extern "C" int IsYaIdeVenv() {
+    TString dummy;
+    return NResource::FindExact("YA_IDE_VENV", &dummy);
+}