def copy_file(self, infile, outfile, preserve_mode=1, preserve_times=1,
link=None, level=1):
# If the timestamp on the source file (coming from mercurial if
# unchanged, or from the filesystem if changed) doesn't match
# the filesystem timestamp on the destination, then force the
# copy to make sure the right data is in place.
try:
dst_mtime = os.stat(outfile).st_mtime
except OSError as e:
if e.errno != errno.ENOENT:
raise
dst_mtime = time.time()
# The timestamp for __init__.py is the timestamp for the
# workspace itself.
if outfile.endswith("/pkg/__init__.py"):
src_mtime = self.timestamps[b"."]
else:
src_mtime = self.timestamps.get(
os.path.join("src", infile), self.timestamps[b"."])
# Force a copy of the file if the source timestamp is different
# from that of the destination, not just if it's newer. This
# allows timestamps in the working directory to regress (for
# instance, following the reversion of a change).
if dst_mtime != src_mtime:
f = self.force
self.force = True
dst, copied = _build_py.copy_file(self, infile, outfile,
preserve_mode, preserve_times, link, level)
self.force = f
else:
dst, copied = outfile, 0
# If we copied the file, then we need to go and readjust the
# timestamp on the file to match what we have in our database.
# Save the filename aside for our version of install_lib.
if copied and dst.endswith(".py"):
os.utime(dst, (src_mtime, src_mtime))
self.copied.append(dst)
return dst, copied
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