Added backward compatibility with sandbox.gpuarray, removed comp.py

theano/gpuarray/comp.py

-from __future__ import absolute_import, print_function, division
-import os
-
-import numpy
-
-import theano
-from theano import config
-
-# This is a big hack to avoid creating a second context on the card.
-from theano.sandbox.cuda.nvcc_compiler import (NVCC_compiler as NVCC_base,
-                                               hash_from_file)
-
-
-class NVCC_compiler(NVCC_base):
-    @staticmethod
-    def compile_args():
-        """
-        Re-implementation of compile_args that does not create an
-        additionnal context on the GPU.
-
-        """
-        flags = [flag for flag in config.nvcc.flags.split(' ') if flag]
-        if config.nvcc.fastmath:
-            flags.append('-use_fast_math')
-        cuda_ndarray_cuh_hash = hash_from_file(
-            os.path.join(os.path.split(theano.sandbox.cuda.__file__)[0],
-                         'cuda_ndarray.cuh'))
-        flags.append('-DCUDA_NDARRAY_CUH=' + cuda_ndarray_cuh_hash)
-
-        # numpy 1.7 deprecated the following macros but they didn't
-        # exist in the past
-        numpy_ver = [int(n) for n in numpy.__version__.split('.')[:2]]
-        if bool(numpy_ver < [1, 7]):
-            flags.append("-DNPY_ARRAY_ENSURECOPY=NPY_ENSURECOPY")
-            flags.append("-DNPY_ARRAY_ALIGNED=NPY_ALIGNED")
-            flags.append("-DNPY_ARRAY_WRITEABLE=NPY_WRITEABLE")
-            flags.append("-DNPY_ARRAY_UPDATE_ALL=NPY_UPDATE_ALL")
-            flags.append("-DNPY_ARRAY_C_CONTIGUOUS=NPY_C_CONTIGUOUS")
-            flags.append("-DNPY_ARRAY_F_CONTIGUOUS=NPY_F_CONTIGUOUS")
-
-        # If the user didn't specify architecture flags add them
-        if not any(['-arch=sm_' in f for f in flags]):
-            dev = theano.gpuarray.init_dev.device
-            if dev is None:
-                raise Exception("Trying to compile GPU code without a context")
-            if dev.startswith("opencl"):
-                raise Exception("Trying to call nvcc with an OpenCL context")
-            assert dev.startswith('cuda')
-            if dev == 'cuda':
-                n = theano.sandbox.cuda.use.device_number
-            else:
-                n = int(dev[4:])
-            p = theano.sandbox.cuda.device_properties(n)
-            flags.append('-arch=sm_' + str(p['major']) + str(p['minor']))
-
-        return flags

theano/sandbox/gpuarray/__init__.py

+"""Placeholder for new gpuarray backend in sandbox. Supports old pickles
+which refered to theano.sandbox.gpuarray."""
+
+import warnings
+from theano.gpuarray import *
+
+message = "theano.sandbox.gpuarray has been moved to theano.gpuarray." + \
+    " Please update your code and pickles."
+warnings.warn(message)

theano/tests/test_flake8.py

@@ -39,6 +39,8 @@ whitelist_flake8 = [
     "compile/profiling.py",
     "compile/sandbox/__init__.py",
     "compile/tests/__init__.py",
+    "gpuarray/__init__.py",
+    "gpuarray/tests/__init__.py",
     "typed_list/__init__.py",
     "typed_list/tests/__init__.py",
     "tensor/__init__.py",
@@ -108,7 +110,6 @@ whitelist_flake8 = [
     "sandbox/cuda/tests/test_extra_ops.py",
     "sandbox/cuda/tests/test_gemmcorr3d.py",
     "sandbox/cuda/tests/test_viewop.py",
-    "gpuarray/tests/__init__.py",
     "sandbox/scan_module/scan_utils.py",
     "sandbox/scan_module/scan.py",
     "sandbox/scan_module/scan_op.py",
@@ -119,7 +120,6 @@ whitelist_flake8 = [
     "sandbox/linalg/__init__.py",
     "sandbox/linalg/tests/__init__.py",
     "sandbox/linalg/tests/test_linalg.py",
-    "gpuarray/__init__.py",
     "scan_module/scan_utils.py",
     "scan_module/scan_views.py",
     "scan_module/scan.py",