feat(//py): Working portable package

Signed-off-by: Naren Dasan <naren@narendasan.com>
Signed-off-by: Naren Dasan <narens@nvidia.com>

Author: narendasan

py/setup.py

@@ -121,7 +121,8 @@ def run(self):
                                 extra_link_args=[
                                     "-D_GLIBCXX_USE_CXX11_ABI=0"
                                     "-Wl,--no-as-needed",
-                                    "-ltrtorch"
+                                    "-ltrtorch",
+                                    "-Wl,-rpath,$ORIGIN/lib"
                                 ],
                                 undef_macros=[ "NDEBUG" ]
                             )

py/trtorch/__init__.py

@@ -7,14 +7,6 @@
 import ctypes
 import torch
 
-def _load_trtorch_lib():
-    lib_name = 'libtrtorch.so'
-    here = os.path.abspath(__file__)
-    lib_path = os.path.join(os.path.dirname(here), 'lib', lib_name)
-    ctypes.CDLL(lib_path, mode=ctypes.RTLD_GLOBAL)
-
-_load_trtorch_lib()
-
 from trtorch._version import __version__
 from trtorch._compiler import *
 from trtorch._types import *

py/trtorch/_compiler.py

@@ -1,8 +1,12 @@
 from typing import List, Dict, Any
 import torch
+from torch import nn
+
 import trtorch._C
 from trtorch._extra_info import _parse_extra_info
 from trtorch._version import __version__
+from types import FunctionType
+
 
 def compile(module: torch.jit.ScriptModule, extra_info: Any) -> torch.jit.ScriptModule:
     """Compile a TorchScript module for NVIDIA GPUs using TensorRT
@@ -50,7 +54,11 @@ def compile(module: torch.jit.ScriptModule, extra_info: Any) -> torch.jit.Script
     Returns:
         torch.jit.ScriptModule: Compiled TorchScript Module, when run it will execute via TensorRT
     """
-    compiled_cpp_mod = trtorch._C._compile_graph(module._c, _parse_extra_info(extra_info))
+
+    if isinstance(module, torch.jit.ScriptFunction):
+        raise TypeError("torch.jit.ScriptFunction currently is not directly supported, wrap the function in a module to compile")
+
+    compiled_cpp_mod = trtorch._C.compile_graph(module._c, _parse_extra_info(extra_info))
     compiled_module = torch.jit._recursive.wrap_cpp_module(compiled_cpp_mod)
     return compiled_module
 
@@ -98,7 +106,10 @@ def convert_method_to_trt_engine(module: torch.jit.ScriptModule, method_name: st
     Returns:
         bytes: Serialized TensorRT engine, can either be saved to a file or deserialized via TensorRT APIs
     """
-    return trtorch._C._convert_graph_to_trt_engine(module._c, method_name, _parse_extra_info(extra_info))
+    if isinstance(module, torch.jit.ScriptFunction):
+        raise TypeError("torch.jit.ScriptFunctions currently are not directly supported, wrap the function in a module to compile")
+
+    return trtorch._C.convert_graph_to_trt_engine(module._c, method_name, _parse_extra_info(extra_info))
 
 def check_method_op_support(module: torch.jit.ScriptModule, method_name: str) -> bool:
     """Checks to see if a method is fully supported by TRTorch
@@ -114,7 +125,7 @@ def check_method_op_support(module: torch.jit.ScriptModule, method_name: str) ->
     Returns:
         bool: True if supported Method
     """
-    return trtorch._C._check_method_op_support(module._c, method_name)
+    return trtorch._C.check_method_op_support(module._c, method_name)
 
 def dump_build_info():
     """Prints build information about the TRTorch distribution to stdout
@@ -127,7 +138,7 @@ def get_build_info() -> str:
     Returns:
         str: String containing the build information for TRTorch distribution
     """
-    build_info = trtorch._C._get_build_info()
+    build_info = trtorch._C.get_build_info()
     build_info = "TRTorch Version: " + str(__version__) + '\n' + build_info
     return build_info
 

py/trtorch/_extra_info.py

@@ -84,13 +84,12 @@ def _parse_device_type(device: Any) -> _types.DeviceType:
     else:
         raise TypeError("Device specification must be of type torch.device or trtorch.DeviceType, but got: " + str(type(device)))
 
-def _parse_extra_info(extra_info: Dict[str, Any]) -> trtorch._C._ExtraInfo:
-    info = trtorch._C._ExtraInfo()
-    if "input_shapes" not in extra_info and not isinstance(extra_info["input_shapes"], list):
+def _parse_extra_info(extra_info: Dict[str, Any]) -> trtorch._C.ExtraInfo:
+    info = trtorch._C.ExtraInfo()
+    if "input_shapes" not in extra_info:
         raise KeyError("Input shapes for inputs are required as a List, provided as either a static sizes or a range of three sizes (min, opt, max) as Dict")
 
     info.input_ranges = _parse_input_ranges(extra_info["input_shapes"])
-    print(info.input_ranges)
 
     if "op_precision" in extra_info:
         info.op_precision = _parse_op_precision(extra_info["op_precision"])

py/trtorch/csrc/trtorch_py.cpp

@@ -18,9 +18,6 @@ struct InputRange {
   std::vector<int64_t> max;
 
   core::conversion::InputRange toInternalInputRange() {
-    for (auto o : opt) {
-      std::cout << o << std::endl;
-    }
     return core::conversion::InputRange(min, opt, max);
   }
 };
@@ -79,7 +76,6 @@ nvinfer1::EngineCapability toTRTEngineCapability(EngineCapability value) {
 struct ExtraInfo {
 
   core::ExtraInfo toInternalExtraInfo() {
-    std::cout << "HELLO" << input_ranges.size() << std::endl;
     for (auto i : input_ranges) {
       internal_input_ranges.push_back(i.toInternalInputRange());
     }
@@ -193,7 +189,7 @@ PYBIND11_MODULE(_C, m) {
     .value("safe_dla", EngineCapability::kSAFE_DLA, "Use safety DLA kernels only")
     .value("default",  EngineCapability::kDEFAULT, "Use default behavior");
 
-  py::class_<ExtraInfo>(m, "_ExtraInfo")
+  py::class_<ExtraInfo>(m, "ExtraInfo")
     .def(py::init<>())
     .def_readwrite("input_ranges",         &ExtraInfo::input_ranges)
     .def_readwrite("op_precision",         &ExtraInfo::op_precision)
@@ -209,10 +205,10 @@ PYBIND11_MODULE(_C, m) {
     .def_readwrite("max_batch_size",       &ExtraInfo::max_batch_size);
 
   m.doc() = "TRTorch Internal C Bindings: Ahead of Time compilation for PyTorch JIT. A tool to convert PyTorch JIT to TensorRT";
-  m.def("_compile_graph",               &trtorch::pyapi::CompileGraph, "Ingest a PyTorch JIT module and convert supported subgraphs to TensorRT engines, returns a JIT module with the engines embedded");
-  m.def("_convert_graph_to_trt_engine", &trtorch::pyapi::ConvertGraphToTRTEngine, "Given a PyTorch JIT Module, convert forward into a TensorRT engine and return a serialized engine");
-  m.def("_check_method_op_support",     &trtorch::pyapi::CheckMethodOperatorSupport, "Takes a module and a method name and checks if the method graph contains purely convertable operators");
-  m.def("_get_build_info",              &get_build_info, "Returns build info about the compiler as a string");
+  m.def("compile_graph",               &trtorch::pyapi::CompileGraph, "Ingest a PyTorch JIT module and convert supported subgraphs to TensorRT engines, returns a JIT module with the engines embedded");
+  m.def("convert_graph_to_trt_engine", &trtorch::pyapi::ConvertGraphToTRTEngine, "Given a PyTorch JIT Module, convert forward into a TensorRT engine and return a serialized engine");
+  m.def("check_method_op_support",     &trtorch::pyapi::CheckMethodOperatorSupport, "Takes a module and a method name and checks if the method graph contains purely convertable operators");
+  m.def("get_build_info",              &get_build_info, "Returns build info about the compiler as a string");
 
   m.def("_get_logging_prefix",       &logging::get_logging_prefix, "Get the current prefix for the logging output");
   m.def("_set_logging_prefix",       &logging::set_logging_prefix, "Set the logging prefix for logging output");

py/trtorch/logging.py

@@ -40,7 +40,7 @@ def set_logging_prefix(prefix: str):
     Args:
         prefix (str): Prefix to use for logging messages
     """
-    _set_logging_prefix(str)
+    _set_logging_prefix(prefix)
 
 def get_reportable_log_level() -> Level:
     """Get the level required for a message to be printed in the log
@@ -84,4 +84,4 @@ def log(level: Level, msg: str):
         level (trtorch.logging.Level): Severity of the message
         msg (str): Actual message text
     """
-    _log(level, msg)
+    _log(Level._to_internal_level(level), msg)