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PROTON-2816/PROTON-2817: Support building python extension with unbun…
…dled proton There are 3 cases: * Bundled proton library - this should be the default and is what you should use with pip etc. * System proton library - this is what you should use in a distro package. * Use the in tree library built earlier in the build process - this is what you usually want for developer debugging, and should be the version actually tested by the in tree tests. This change also add control of the ability to package and test in isolated virtual python environments. Using these is the default, but under some circumstances you do not want the build process to construct a virtual environment by pulling packages from the internet. So we now have an option to turn this behaviour off and rely on the hosts python environment.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| # | ||
| # Licensed to the Apache Software Foundation (ASF) under one | ||
| # or more contributor license agreements. See the NOTICE file | ||
| # distributed with this work for additional information | ||
| # regarding copyright ownership. The ASF licenses this file | ||
| # to you under the Apache License, Version 2.0 (the | ||
| # "License"); you may not use this file except in compliance | ||
| # with the License. You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, | ||
| # software distributed under the License is distributed on an | ||
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| # KIND, either express or implied. See the License for the | ||
| # specific language governing permissions and limitations | ||
| # under the License. | ||
| # | ||
|
|
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| import os | ||
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| from cffi import FFI | ||
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| bld_tree_top = os.environ.get("CMAKE_BINARY_DIR") | ||
| bld_clibdir = os.environ.get("QPID_PROTON_CORE_TARGET_DIR") | ||
| cdefs = open('cproton.h').read() | ||
| c_code = open('cproton_ext.c').read() | ||
| extra_link_args = [f"-Wl,-rpath,{bld_clibdir}"] if os.name == 'posix' else None | ||
| ffibuilder = FFI() | ||
| ffibuilder.cdef(cdefs) | ||
| ffibuilder.set_source( | ||
| "cproton_ffi", | ||
| c_code, | ||
| include_dirs=[f"{bld_tree_top}/c/include"], | ||
| library_dirs=[f"{bld_clibdir}"], | ||
| libraries=["qpid-proton-core"], | ||
| extra_link_args=extra_link_args, | ||
| ) | ||
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| if __name__ == "__main__": | ||
| ffibuilder.compile(verbose=True) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| # | ||
| # Licensed to the Apache Software Foundation (ASF) under one | ||
| # or more contributor license agreements. See the NOTICE file | ||
| # distributed with this work for additional information | ||
| # regarding copyright ownership. The ASF licenses this file | ||
| # to you under the Apache License, Version 2.0 (the | ||
| # "License"); you may not use this file except in compliance | ||
| # with the License. You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, | ||
| # software distributed under the License is distributed on an | ||
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| # KIND, either express or implied. See the License for the | ||
| # specific language governing permissions and limitations | ||
| # under the License. | ||
| # | ||
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| import cffi.pkgconfig | ||
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| from cffi import FFI | ||
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| ffibuilder = FFI() | ||
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| # cdef() expects a single string declaring the C types, functions and | ||
| # globals needed to use the shared object. It must be in valid C syntax | ||
| # with cffi extensions | ||
| cdefs = open('cproton.h').read() | ||
| ffibuilder.cdef(cdefs) | ||
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| cffi.pkgconfig.flags_from_pkgconfig(['libqpid-proton-core']) | ||
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| c_code = open('cproton_ext.c').read() | ||
| ffibuilder.set_source_pkgconfig( | ||
| "cproton_ffi", | ||
| ['libqpid-proton-core'], | ||
| c_code, | ||
| ) | ||
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| if __name__ == "__main__": | ||
| ffibuilder.compile(verbose=True) |
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