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Build a c-extension module on-the-fly in tests.
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See build_and_import_extensions for usage hints
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Build and imports a c-extension module `modname` from a list of function
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fragments `functions`.
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Parameters
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----------
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functions : list of fragments
|
Each fragment is a sequence of func_name, calling convention, snippet.
|
prologue : string
|
Code to precede the rest, usually extra ``#include`` or ``#define``
|
macros.
|
build_dir : pathlib.Path
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Where to build the module, usually a temporary directory
|
include_dirs : list
|
Extra directories to find include files when compiling
|
more_init : string
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Code to appear in the module PyMODINIT_FUNC
|
|
Returns
|
-------
|
out: module
|
The module will have been loaded and is ready for use
|
|
Examples
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--------
|
>>> functions = [("test_bytes", "METH_O", """
|
if ( !PyBytesCheck(args)) {
|
Py_RETURN_FALSE;
|
}
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Py_RETURN_TRUE;
|
""")]
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>>> mod = build_and_import_extension("testme", functions)
|
>>> assert not mod.test_bytes('abc')
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>>> assert mod.test_bytes(b'abc')
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Nz
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Build an extension module and return the filename of the resulting
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native code file.
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|
Parameters
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----------
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name : string
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name of the module, possibly including dots if it is a module inside a
|
package.
|
builddir : pathlib.Path
|
Where to build the module, usually a temporary directory
|
include_dirs : list
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Extra directories to find include files when compiling
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libraries : list
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Libraries to link into the extension module
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Where to find the libraries, ``-L`` passed to the linker
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