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Python documentation suggests to do so "to avoid listing all the
PyTypeObject fields that you don't care about and also to avoid
caring about the fields' declaration order". And that does make
sense.
Acked-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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PyModule_AddObject() may fail and it doesn't steal references
in this case. The error condition should be handled to avoid
possible memory leaks.
And while it's not strictly specified if PyModule_Create may
fail, most of the examples in python documentation include
handling of a NULL case.
Acked-by: Mike Pattrick <mkp@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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ovs/_json.c:67:20: warning: assignment discards ‘const’ qualifier from pointer
target type [-Wdiscarded-qualifiers]
ovs/_json.c:132:27: warning: comparison of integer expressions of different
signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Since Python 2 is not supported anymore, remove Python 2 support from C
extension too
Fixes: 1ca0323e7c29 ("Require Python 3 and remove support for Python 2.")
Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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The memory returned by json_parser_finish needs to be freed by the caller.
Signed-off-by: Eric Lapointe <elapointe@corsa.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Otherwise the code does not build.
Fixes: fa37affad362 ("Embrace anonymous unions.")
Signed-off-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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To easily allow both in- and out-of-tree building of the Python
wrapper for the OVS JSON parser (e.g. w/ pip), move json.h to
include/openvswitch. This also requires moving lib/{hmap,shash}.h.
Both hmap.h and shash.h were #include-ing "util.h" even though the
headers themselves did not use anything from there, but rather from
include/openvswitch/util.h. Fixing that required including util.h
in several C files mostly due to OVS_NOT_REACHED and things like
xmalloc.
Signed-off-by: Terry Wilson <twilson@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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The pure Python in-tree JSON parser is *much* slower than the
in-tree C JSON parser. A local test parsing a 100Mb JSON file
showed the Python version taking 270 seconds. With the C wrapper,
it took under 4 seconds.
The C extension will be used automatically if it can be built. If
the extension fails to build, a warning is displayed and the build
is restarted without the extension.
The Serializer class is replaced with Python's built-in
JSON library since the ability to process chunked data is not
needed in that case.
The extension should work with both Python 2.7 and Python 3.3+.
Signed-off-by: Terry Wilson <twilson@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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