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denoland-deno/js/flatbufferjs_hack.py
2018-07-04 16:43:08 -04:00

33 lines
832 B
Python
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#!/usr/bin/env python
"""
gn can only run python scripts.
Generates flatbuffer TypeScript code.
"""
import subprocess
import sys
import os
import shutil
# TODO(ry) Ideally flatc output files should be written into target_gen_dir, but
# its difficult to get this working in a way that parcel can resolve their
# location. (Parcel does not support NODE_PATH.) Therefore this hack: write the
# generated msg_generated.ts outputs into the js/ folder, and we check them into
# the repo. Hopefully this hack can be removed at some point. If msg.fps is
# changed, commit changes to the generated JS file.
src = sys.argv[1]
dst = sys.argv[2]
stamp_file = sys.argv[3]
shutil.copyfile(src, dst)
def touch(fname):
if os.path.exists(fname):
os.utime(fname, None)
else:
open(fname, 'a').close()
touch(stamp_file)