mirror of
https://github.com/openvswitch/ovs
synced 2025-08-22 09:58:01 +00:00
f3068bff92
Python 3 dropped exception handlers of the deprecated form: except Exception, e: You must use the newer syntax of: except Exception as e: This patch also enables a flake8 warning for this. H231 Python 3.x incompatible 'except x,y:' construct Signed-off-by: Russell Bryant <russell@ovn.org> Acked-by: Ben Pfaff <blp@ovn.org>
97 lines
2.5 KiB
Python
97 lines
2.5 KiB
Python
# Copyright (c) 2009, 2010 Nicira, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import codecs
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import getopt
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import sys
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import ovs.json
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def print_json(json):
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if type(json) in [str, unicode]:
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print "error: %s" % json
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return False
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else:
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ovs.json.to_stream(json, sys.stdout)
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sys.stdout.write("\n")
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return True
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def parse_multiple(stream):
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buf = stream.read(4096)
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ok = True
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parser = None
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while len(buf):
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if parser is None and buf[0] in " \t\r\n":
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buf = buf[1:]
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else:
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if parser is None:
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parser = ovs.json.Parser()
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n = parser.feed(buf)
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buf = buf[n:]
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if len(buf):
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if not print_json(parser.finish()):
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ok = False
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parser = None
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if len(buf) == 0:
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buf = stream.read(4096)
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if parser and not print_json(parser.finish()):
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ok = False
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return ok
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def main(argv):
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argv0 = argv[0]
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# Make stdout and stderr UTF-8, even if they are redirected to a file.
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sys.stdout = codecs.getwriter("utf-8")(sys.stdout)
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sys.stderr = codecs.getwriter("utf-8")(sys.stderr)
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try:
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options, args = getopt.gnu_getopt(argv[1:], '', ['multiple'])
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except getopt.GetoptError as geo:
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sys.stderr.write("%s: %s\n" % (argv0, geo.msg))
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sys.exit(1)
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multiple = False
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for key, value in options:
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if key == '--multiple':
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multiple = True
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else:
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sys.stderr.write("%s: unhandled option %s\n" % (argv0, key))
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sys.exit(1)
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if len(args) != 1:
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sys.stderr.write("usage: %s [--multiple] INPUT.json\n" % argv0)
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sys.exit(1)
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input_file = args[0]
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if input_file == "-":
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stream = sys.stdin
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else:
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stream = open(input_file, "r")
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if multiple:
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ok = parse_multiple(stream)
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else:
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ok = print_json(ovs.json.from_stream(stream))
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if not ok:
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sys.exit(1)
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if __name__ == '__main__':
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main(sys.argv)
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