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50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
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#!/usr/bin/env python
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"""
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gn can only run python scripts.
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protobuf.js must generate some javascript files.
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it's very difficult to get this into the gn build sanely.
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therefore we write them into the source directory.
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"""
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import subprocess
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import sys
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import os
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js_path = os.path.dirname(os.path.realpath(__file__))
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bin_path = os.path.join(js_path, "node_modules", ".bin")
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pbjs_bin = os.path.join(bin_path, "pbjs")
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pbts_bin = os.path.join(bin_path, "pbts")
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msg_pbjs_out = os.path.join(js_path, "msg.pb.js")
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msg_pbts_out = os.path.join(js_path, "msg.pb.d.ts")
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assert os.path.exists(pbjs_bin)
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assert os.path.exists(pbts_bin)
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proto_in = sys.argv[1]
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stamp_file = sys.argv[2]
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def touch(fname):
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if os.path.exists(fname):
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os.utime(fname, None)
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else:
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open(fname, 'a').close()
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subprocess.check_call([
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"node",
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pbjs_bin,
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"--target=static-module",
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"--wraper=commonjs",
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"--out=" + msg_pbjs_out,
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proto_in
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])
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assert os.path.exists(msg_pbjs_out)
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subprocess.check_call([
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"node",
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pbts_bin,
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"--out=" + msg_pbts_out,
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msg_pbjs_out
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])
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assert os.path.exists(msg_pbts_out)
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touch(stamp_file)
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