WIP: clean up deps/requirements

Author: dbort

build/Utils.cmake

@@ -194,7 +194,7 @@ function(resolve_buck2)
     else()
       # Wrong buck version used. Stop here to ensure that the user sees
       # the error.
+      message(WARNING ${resolve_buck2_error})
       message(FATAL_ERROR "Failed to resolve buck2.")
-      message(FATAL_ERROR ${resolve_buck2_error})
     endif()
-endfunction()
+endfunction()

install_requirements.sh

@@ -5,18 +5,6 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
-# Install required python dependencies for developing
-# Dependencies are defined in .pyproject.toml
-if [[ -z $BUCK ]];
-then
-  BUCK=buck2
-fi
-
-if [[ -z $PYTHON_EXECUTABLE ]];
-then
-  PYTHON_EXECUTABLE=python3
-fi
-
 # Parse options.
 EXECUTORCH_BUILD_PYBIND=OFF
 CMAKE_ARGS=""
@@ -41,6 +29,7 @@ for arg in "$@"; do
   esac
 done
 
+
 # Install pytorch dependencies
 #
 # Note:
@@ -69,11 +58,15 @@ pip install --force-reinstall --pre transformers==${TRANSFORMERS_VERSION}
 TORCHSR_VERSION=1.0.4
 pip install --pre torchsr==${TORCHSR_VERSION}
 
-# Install ExecuTorch after dependencies are installed.
+
+#
+# Install executorch pip package. This also makes `flatc` available on the path.
+#
+
+# Deps needed by pip install and cmake.
+# TODO(dbort): Remove tomli once min python version is 3.11.
+pip install zstd tomli setuptools wheel
+
 EXECUTORCH_BUILD_PYBIND="$EXECUTORCH_BUILD_PYBIND" \
 CMAKE_ARGS="$CMAKE_ARGS" \
-CMAKE_BUILD_PARALLEL_LEVEL=9 \
 pip install . --no-build-isolation -v
-
-# Install flatc dependency
-bash build/install_flatc.sh

pyproject.toml

@@ -20,8 +20,6 @@ dependencies=[
   "ruamel.yaml",
   "sympy",
   "tabulate",
-  "tomli",
-  "zstd",
 ]
 
 # Tell setuptools to generate commandline wrappers for tools that we install