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# -*- Python -*-
load(
"//tensorflow:tensorflow.bzl",
"tf_binary_additional_srcs",
)
# Generate Java wrapper classes for all registered core operations and package
# them into a single source archive (.srcjar).
#
# For example:
# tf_java_op_gen_srcjar("gen_sources", ":gen_tool", "my.package")
#
# will create a genrule named "gen_sources" that generates source files under
# ops/src/main/java/my/package/**/*.java
#
# and then archive those source files into
# ops/gen_sources.srcjar
#
def tf_java_op_gen_srcjar(
name,
gen_tool,
base_package,
api_def_srcs = [],
out_dir = "ops/",
out_src_dir = "src/main/java/",
visibility = ["//tensorflow/java:__pkg__"]):
gen_cmds = ["rm -rf $(@D)"] # Always start from fresh when generating source files
srcs = api_def_srcs[:]
if not api_def_srcs:
api_def_args_str = ","
else:
api_def_args = []
for api_def_src in api_def_srcs:
# Add directory of the first ApiDef source to args.
# We are assuming all ApiDefs in a single api_def_src are in the
# same directory.
api_def_args.append(
"$$(dirname $$(echo $(locations " + api_def_src +
") | cut -d\" \" -f1))",
)
api_def_args_str = ",".join(api_def_args)
gen_cmds += ["$(location " + gen_tool + ")" +
" --output_dir=$(@D)/" + out_src_dir +
" --base_package=" + base_package +
" --api_dirs=" + api_def_args_str]
# Generate a source archive containing generated code for these ops.
gen_srcjar = out_dir + name + ".srcjar"
gen_cmds += ["$(location @local_jdk//:jar) cMf $(location :" + gen_srcjar + ") -C $(@D) src"]
native.genrule(
name = name,
srcs = srcs,
outs = [gen_srcjar],
tools = [
"@local_jdk//:jar",
"@local_jdk//:jdk",
gen_tool,
] + tf_binary_additional_srcs(),
cmd = " && ".join(gen_cmds),
)
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