o 0Zc@sdZddlZddlZddlZddlZddgZddgddddZggfddZd d Zd d Z d dZ gggfddZ ddZ ddZ dS)zb Build a c-extension module on-the-fly in tests. See build_and_import_extensions for usage hints Nbuild_and_import_extensioncompile_extension_module)prologue build_dir include_dirs more_initc Csddlm}|t||}d}|std}|r |d7}||7}|d7}t|||} z t|||| } Wn|yH} z td|d| d } ~ wwdd l} | j || } | j | }| j ||S) a Build and imports a c-extension module `modname` from a list of function fragments `functions`. Parameters ---------- 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 Where to build the module, usually a temporary directory include_dirs : list Extra directories to find include files when compiling more_init : string Code to appear in the module PyMODINIT_FUNC Returns ------- out: module The module will have been loaded and is ready for use Examples -------- >>> functions = [("test_bytes", "METH_O", """ if ( !PyBytesCheck(args)) { Py_RETURN_FALSE; } Py_RETURN_TRUE; """)] >>> mod = build_and_import_extension("testme", functions) >>> assert not mod.test_bytes(u'abc') >>> assert mod.test_bytes(b'abc') r) CompileErrorz8PyObject *mod = PyModule_Create(&moduledef); .z.#define INITERROR return NULL z return mod;zcould not compile in :N)distutils.errorsr _make_methodspathlibPath _make_sourcer RuntimeErrorimportlib.utilutilspec_from_file_locationmodule_from_specloader exec_module)modname functionsrrrrr bodyinit source_stringmod_soe importlibspecfoor"U/var/www/chikooza/env/lib/python3.10/site-packages/numpy/testing/_private/extbuild.pyrs. '    c CsR|dd}||}|jddt||}|tdg}t||||ggdS)aH Build an extension module and return the filename of the resulting native code file. Parameters ---------- name : string 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 Extra directories to find include files when compiling libraries : list Libraries to link into the extension module library_dirs: list Where to find the libraries, ``-L`` passed to the linker r T)exist_ok INCLUDEPY)outputfilenamer libraries library_dirs)splitmkdir_convert_str_to_file sysconfigget_config_var _c_compile) namebuilddirrrr(r)rdirnamecfiler"r"r#rPs  cCsF|d}|d}|t|Wd|S1swY|S)zHelper function to create a file ``source.c`` in `dirname` that contains the string in `source`. Returns the file name zsource.cwN)openwritestr)sourcer2filenamefr"r"r#r,qs  r,c Csg}g}|D]+\}}}d||f}d|vrd}nd}|d|||fdj|||d} || qd|d td||d } | S) z Turns the name, signature, code in functions into complete functions and lists them in a methods_table. Then turns the methods_table into a ``PyMethodDef`` structure and returns the resulting code fragment ready for compilation z%s_%s METH_KEYWORDSz2(PyObject *self, PyObject *args, PyObject *kwargs)z (PyObject *self, PyObject *args)z{"%s", (PyCFunction)%s, %s},z^ static PyObject* {cfuncname}{signature} {{ {code} }} ) cfuncname signaturecode a6 static PyMethodDef methods[] = { %(methods)s { NULL } }; static struct PyModuleDef moduledef = { PyModuleDef_HEAD_INIT, "%(modname)s", /* m_name */ NULL, /* m_doc */ -1, /* m_size */ methods, /* m_methods */ }; )methodsr)appendformatjoindict) rr methods_tablecodesfuncnameflagsr>r<r= func_coderr"r"r#r {s$      r cCsdt|||d}|S)zG Combines the code fragments into source code ready to be compiled zn #include %(body)s PyMODINIT_FUNC PyInit_%(name)s(void) { %(init)s } )r0rr)rD)r0rrr>r"r"r#rs   rc CsTtjdkrdg}dtjtjdg}ntjdr!gd}d}nd}} tjdkr0|dg}tjdkrdd D],}|d |vrNtj|d rN||d |d |vrctj|d rc||d q7| t }tj }z#t |||||||W|D]\} } tj | | kr| tj | <q|S|D]\} } tj | | kr| tj | <qw) Nwin32z/we4013z /LIBPATH:libslinux)z-O0z-gz%-Werror=implicit-function-declarationz-fPICz/DEBUGdarwin)z/sw/z /opt/local/includelib)sysplatformospathrC base_prefix startswithexistsrA with_suffix get_so_suffixenvironcopybuilditemsget) r3r'rr(r) compile_extra link_extras saved_environkeyvaluer"r"r#r/sJ          r/c sddlm}|ddd}|dg} t} tjz|jtj g||d} | fdd | D7} Wt| nt| w|j | t||||d d S) z@cd into the directory where the cfile is, use distutils to buildr) new_compiler)forceverboser)r extra_preargscsg|] }tj|qSr")r7parent).0rr3r"r# szbuild..)r(rir)N) numpy.distutils.ccompilerrd customizerRgetcwdchdirrjcompiler7r0link_shared_object) r3r'r^r_rr(r)rdcompilerobjectsoldresr"rmr#r[s(      r[cCstd}|s J|S)N EXT_SUFFIX)r-r.)retr"r"r#rXs rX)__doc__rRrrPr-__all__rrr,r rr/r[rXr"r"r"r#s& C ! ( '