59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
"""
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Defines the postprocessing build rule for the Google Maps APIs.
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"""
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def maps_assembly_pkg(name, srcs, language, visibility = None):
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"""Target to build a post-processed ads-specific GAPIC assembly package.
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Explodes a GAPIC assembly package, runs language-specific post-processing, and repackages.
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This macro assumes srcs contains in a single input, namely a {{language}}_assembly_pkg target
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produced by a gapic-generator build target.
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There must be a corresponding postprocessing_{language}.sh script to invoke.
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Args:
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name: defines the name of the main target
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srcs: collection containing exactly 1 build target, namely a
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{{language}}_assembly_pkg target produced by gapic-generator
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language: the programming language to post-process
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(e.g., "java", "csharp", "php", etc.); there must be a matching
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post-processin script of the form `postprocessing_{language}.sh
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in this package
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visibility (optional): marco visibility setting;
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(see https://docs.bazel.build/versions/master/skylark/macros.html)
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"""
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cmd = """
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set -eu
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tar xzf $(SRCS);
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$(location //google/maps:postprocessing_%s) %s;
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tar czf $@ %s
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"""
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dir_name = _extract_path(srcs)
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native.genrule(
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name = name,
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srcs = srcs,
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outs = ["%s.tar.gz" % name],
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cmd = cmd % (language, dir_name, dir_name),
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tools = ["//google/maps:postprocessing_%s" % language],
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visibility = visibility,
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)
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def _extract_path(srcs):
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"""Takes the first label in srcs and returns its target name.
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Args:
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srcs: a collection of build labels of the form "//package/name:target"
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Returns:
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The first element's target (i.e.- the part after the ":"), else None if empty.
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"""
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for s in srcs:
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toks = s.split(":")
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if len(toks) == 2:
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return toks[1]
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return None
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