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codegen: Factor out a function to write output file

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This will be reused to generate C declaration automatically.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Christophe Fergeau <cfergeau@redhat.com>
This commit is contained in:
Frediano Ziglio 2019-02-18 09:49:39 +00:00
parent 81e2092fc7
commit af66a4ccad
1 changed files with 25 additions and 21 deletions
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46
spice_codegen.py
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@ -105,6 +105,30 @@ def write_enums(writer, describe=False):
writer.writeln("#endif /* _H_SPICE_ENUMS */")
def write_content(dest_file, content, keep_identical_file):
if keep_identical_file:
try:
f = open(dest_file, 'rb')
old_content = f.read()
f.close()
if content == old_content:
six.print_("No changes to %s" % dest_file)
return
except IOError:
pass
f = open(dest_file, 'wb')
if six.PY3:
f.write(bytes(content, 'UTF-8'))
else:
f.write(content)
f.close()
six.print_("Wrote %s" % dest_file)
parser = OptionParser(usage="usage: %prog [options] <protocol_file> <destination file>")
parser.add_option("-e", "--generate-enums",
action="store_true", dest="generate_enums", default=False,
@ -286,25 +310,5 @@ if options.header:
content = writer.header.getvalue()
else:
content = writer.getvalue()
if options.keep_identical_file:
try:
f = open(dest_file, 'rb')
old_content = f.read()
f.close()
if content == old_content:
six.print_("No changes to %s" % dest_file)
sys.exit(0)
except IOError:
pass
f = open(dest_file, 'wb')
if six.PY3:
f.write(bytes(content, 'UTF-8'))
else:
f.write(content)
f.close()
six.print_("Wrote %s" % dest_file)
write_content(dest_file, content, options.keep_identical_file)
sys.exit(0)