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62 lines
2.1 KiB
Plaintext
62 lines
2.1 KiB
Plaintext
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# Copyright 2018 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Creates a group() that lists Python sources as |data|.
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# Having such targets serves two purposes:
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# 1) Causes files to be included in runtime_deps, so that they are uploaded to
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# swarming when running tests remotely.
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# 2) Causes "gn analyze" to know about all Python inputs so that tests will be
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# re-run when relevant Python files change.
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#
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# All non-trivial Python scripts should use a "pydeps" file to track their
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# sources. To create a .pydep file for a target in //example:
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#
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# build/print_python_deps.py \
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# --root example \
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# --output example/$target_name.pydeps \
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# path/to/your/script.py
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#
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# Keep the .pydep file up-to-date by adding to //PRESUBMIT.py under one of:
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# _ANDROID_SPECIFIC_PYDEPS_FILES, _GENERIC_PYDEPS_FILES
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#
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# Variables
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# pydeps_file: Path to .pydeps file to read sources from (optional).
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# data: Additional files to include in data. E.g. non-.py files needed by the
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# library, or .py files that are conditionally / lazily imported.
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#
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# Example
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# python_library("my_library_py") {
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# pydeps_file = "my_library.pydeps"
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# data = [ "foo.dat" ]
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# }
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template("python_library") {
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group(target_name) {
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forward_variables_from(invoker,
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[
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"data_deps",
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"deps",
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"testonly",
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"visibility",
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])
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if (defined(invoker.pydeps_file)) {
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_py_files = read_file(invoker.pydeps_file, "list lines")
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# Filter out comments.
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set_sources_assignment_filter([ "#*" ])
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sources = _py_files
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# Even though the .pydep file is not used at runtime, it must be added
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# so that "gn analyze" will mark the target as changed when .py files
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# are removed but none are added or modified.
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data = sources + [ invoker.pydeps_file ]
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} else {
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data = []
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}
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if (defined(invoker.data)) {
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data += invoker.data
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}
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}
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}
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